A complete guide to Prague weather in July + what to wear
July is a fantastic time to come and visit Prague, since it’s very warm, plenty of sunshine and you have some of the longest daylight hours of the whole year.
You can pack light and spend long days exploring the historic town centre, sit in the shade of park trees to have a picnic or enjoy a balmy evening at an outdoor concert. There are so many great things to do in July in Prague, including free museum open days, attractions opened late or great food markets, you’ll never be bored!
After living back in Prague for the last eight years or so, I always find that whilst the general weather is similar in summer in the whole Czech Republic, Prague tends to get much warmer in the summer because the tall townhouses absorb the heat. I’ve also noticed that, there is usually not a lot of wind and the town can be quite dusty especially during a summer heatwave.
This is why when it’s very hot during the weekends and summer break, most Prague people escape to their country cottages or at least leave the town for a day trip to a river, lake or cooling woodland.
What is the weather like in July?
Most days in July can be very hot (up to 25-30 C in the shade, but much hotter in the sun), and you might not even need a second layer in the morning.
If you are lucky there might be some thunderstorms, especially if it’s been hot for a while. It cools down a little for the nights, but don’t be surprised if it’s still very warm until very late at night.
If you don’t like the heat, I’d recommend that you check if your hotel has air conditioning, as it’s not the norm in Prague. If you are choosing your accommodation for July, choose a hotel in an old 1900s townhouse. These have very high ceilings and thick walls, so even without air conditioning, these are much colder at night than modern houses or hotels.
When the sun is shinning it can be very hot in the direct sun (easily up to 45 Celsius), so try to stay in the shade if you can. If you get easily sun burned, I’d recommend to plan your day, so that you do some indoor activity between 1-3 pm. This is the time when the sun is at it’s hottest.
We also often get a heatwave in July, which can make a sight seeing a little challenging, when you want to see everything on your list.
Saying that, there are plenty of gardens, parks and green spaces in Prague to stay in the nice shade of trees and have picnic lunch to stay away from the sun. My favourite way to spend a hot summer afternoon is at one of the many Prague river and lake beaches with a cold drink and a swim in the fresh water.
A fab way to stay cool is also to go on a boat trip from the centre of Prague to Prague ZOO in Troja, with large botanical garden on a hill and charming baroque Troja Chateau with pretty gardens. It’s one of my favourite trips from the centre and I usually walk back from Troja through Stromovka Park with a nice iced coffee in my hand (of course!).
We also get a lot of showers or storms in July. These are usually over very quickly, so it’s best to hide in a shop or have a coffee and then continue with your walk, rather than trying to battle against the rain with an umbrella.
Weather temperatures in July
- Average High Temperature: 24°C to 26°C (75°F to 79°F)
- Average Low Temperature: 13°C to 15°C (55°F to 59°F)
- Overall Average Temperature: Around 19°C (66°F)
Expect the temperatures to be the lowest during the night and early in the morning and then progressively rising to the highest temperatures between 12-4 pm and then staying warm until well after sunset.
The night temperatures are at their warmest in July and usually don’t drop below 15°C. (During a heatwave this can stay as high as 20°C or more). This is perfect if you are planning to do any camping trip or stay in country wood cabins for a few days and explore the countryside outside Prague.
How does the weather change during July in Prague?
Generally speaking, July is the peak of summer and is consistently the hottest month of the year. However, in recent years the weather has been very unpredictable. It can be pleasantly warm one week and a scorching summer heatwave the next.
How to read the local weather forecast
The local weather forecast uses Celsius (not Fahrenheit) and the temperature given is measured (or predicted) in the shade. This means that if the weather forecast mentions 25°C, it can easily be 30-35°C in the sun.
This is quite a big difference, so if you see anything over 22°C in a weather forecast, do plan some activities that will keep you in the shade, at least during the biggest heat of the day between 1-4 pm.
The average rainfall in July
Prague has an average rainfall of about 65 mm to 85 mm (2.5 to 3.3 inches) for the month. Rain typically falls over approximately 10 to 12 days in July.
This sounds like a lot, but often it rains during the night and by morning it’s warm and dry again. Showers are usually moderate and often occur as brief summer storms or light rain throughout the day. The rain usually comes in short, sharp bursts, so if you time it right you can be hiding somewhere in a museum or a nice cafe!
How to predict the rain & the type of rain we usually get
The summer storms are usually easy to spot, as the clouds get darker and you might even hear thunder before the first drop of rain. It’s best to run for cover, because even if you have an umbrella, the rain could be so strong that you’ll end up wet no matter what.
If the weather has been incredibly hot for a few days and the wind is rising and it’s clouding over, expect a quick downpour and heavy showers. The showers are usually over within a few minutes (or at least they get much milder), the sun is back and you can carry on with your day. If it’s been hot for a few days, the storms and thunderstorms can be much longer and last for a few hours.
If the weather has been slightly cooler and it’s getting windy and clouding over, the rain will be more persistent and perhaps slightly lighter. It will, however, last much longer, so it’s wise to change your plans for indoor activities or at least wear good sturdy shoes and pack a rain jacket or an umbrella.
The average sunshine days in July
Prague usually gets around 8 to 10 full sunny days in July. The rest of the days are typically a mix of sunny, partly cloudy and overcast conditions, but it’s still nice and very warm. Don’t forget that even if it’s cloudy the sun is still there, so don’t skip applying your suncream in the morning.
Daylight in July
At the beginning of the month, the sunrise is just before 5 am and the sunset is a little bit after 9 pm during July with nearly extra 40 minutes after the sunset when you can see the light.
The good thing about this time of the year, is that you have a lot of day light, so you can easily carry on sight seeing until 9 – 9.30pm ( or nearly 10 pm).
By the end of the July, we do loose about 50 minutes daylight, but it still gives us more than 15 hrs, which is still plenty!
This is great if you are planning a day trip from Prague, because it gives you enough time for your train journey, explore the town, visit a local museum or chateau and have a lunch or dinner before you need to head back to Prague.
I always plan my longest day trips for June, July or August as you can do a lot in the day.
I usually explore the town first in the morning and then have a long walk in the afternoon. I like that by late afternoon the weather gets a little colder and settles around 6 pm into a lovely summer evening. It’s the perfect time for walking with extra bonus of not a lot of people out and about.
| Date | Sunrise | Sunset | Daylight Duration |
| July 1 | 04:48 | 21:16 | 16h 28m |
| July 5 | 04:52 | 21:15 | 16h 23m |
| July 10 | 04:57 | 21:12 | 16h 15m |
| July 15 | 05:03 | 21:07 | 16h 04m |
| July 20 | 05:10 | 21:01 | 15h 51m |
| July 25 | 05:17 | 20:53 | 15h 36m |
| July 31 | 05:25 | 20:44 | 15h 19m |
What does Prague’s nature look like in July?
By July, Prague’s nature is in full summer mode. While some of the fresh bright greens of spring have deepened, the city is still very lush. You’ll find the public parks full of summer blooms, and window boxes on the historic townhouses are usually overflowing with geraniums and petunias.
If we get a heatwave, the trees could start to look a bit autumnal with leaves turning brown and the grass in open spaces and parks usually suffers too.
PARKS IN PRAGUE
- Letna Park with beer garden & shaded walks >>
- Grebovka Park with vineyard, cafe & children’s play ground >>
Summer hay fever allergies
If you suffer from hay fever allergies, you should know that the lime trees (the Czech national tree) finish flowering by the beginning of July, which provides relief for some.
However, July is peak season for grass pollen and the beginning of the high season for weed pollen (like mugwort and ragweed). Because Prague’s parks and gardens are well maintained, the grass is regularly cut, which helps, but do be prepared with an alternative plan if the pollen count is high.
If you forget your hay fever medication, any pharmacy (lékárna) will be able to help you. Most hay fever medication is international, and staff at larger pharmacies, like the one in the Main Train Station, usually speak English. In Czech, hay fever is ‘senná rýma’.
One thing I should also mention, is that if your regular hay fever medication doesn’t seem to work when you are in Prague, head over to any pharmacy and buy a local one (they are very inexpensive). From my personal experience, it seems that the local hay fever tables are specifically made for the local pollen and allergies, which could be slightly different to your home country.
I’ve recently developed hay fever allergies and thought I’d be prepared by taking my regular tablets, that I use in London. I’m not sure why, but they didn’t do the trick, so got local tablets on the recommendation from the pharmacist and like a magic they did work!
What to pack for your visit to Prague in July
You seriously don’t need a large suitcase for your July visit to Prague! Since the weather is going to be very warm, you mainly need light summer clothing. A second layer like a light cardigan or a linen shirt is still useful for air-conditioned museums or very late evenings.
I would also pack, a good sun hat, sunglasses and a long light linen shirt, light long trousers or a skirt. I usually wear simple dress made from non-creasing fabric, which I wash every night and just leave on a clothes hanger to drip dry in the shower. Since I’m not very good with sun (or rather my skin) I started to also wear long trousers made with light fabric and long shirt with uv protection over my shoulders.
Shorts and T-shirts are the obvious solution to a hot summer in Prague, but I do usually wear these when it’s overcast (the sun, again!)
It might be tempting to bring just flip flops or summer flats as it’s going to be very hot, but the Prague cobbles are very hard (and uneven surface) to walk on, so for me, pair of comfy trainers or padded shoes are a must. If I do wear canvas shoes (simply because it’s so hot for any other type of shoes), I usually add supportive shoe insert to make walking on the hard cobble stones a bit more bearable.
An umbrella is a super useful thing to have in July, not just for the heavy summer downpours, but as a portable parasol! When you are walking across the Charles Bridge in the midday sun, you’ll be glad for the mobile shade.
You can find my other practical tips on what to pack in this blog post.
July Historic weather data
- Warmest July: The warmest July on record occurred in 2006, with an average monthly temperature of 24.0°C (75.2°F). During this month, Prague experienced a relentless heatwave with many days soaring well above 30°C (86°F).
- Hottest Day: The highest temperature ever recorded in Prague during July was on July 27, 1782 (at the Klementinum), reaching 37.8°C (100°F), though modern records have seen similar highs in 1983 and 2015.
- Coldest July: One of the coldest Julys was in 1979, where the average temperature was significantly lower than usual, and the city felt quite autumnal with frequent rain and overcast skies.
- Flooding: While June 2013 is famous for floods, July 1997 saw devastating “millennial” floods in the eastern part of the country, reminding us that July can bring extreme rainfall events.
- Droughts: Recent Julys, particularly in 2015 and 2018, have been marked by severe drought conditions, leading to very yellow grass in the parks and low water levels in the Vltava river.
This blog post was originally written on 9 May 2026 and last updated on 9 May 2026
