Czechia climate
Monthly averages for Prague, 2021–2025
In Prague, the warmest month is July, with an average high of 26°C, and the coldest is January, when nights average −1°C.
About 671 mm of rain falls in a year, on roughly 132 days. August is the wettest month (91 mm) and March the driest (29 mm).
Wind is strongest in January (14 km/h on average) and lightest in August (9 km/h).
Compared with Dublin, July afternoons are 7°C warmer, and January afternoons 4°C colder.
The hottest day in 2021–2025 reached 36.4°C (19 June 2022), and the coldest night fell to −19.5°C (15 February 2021).
Temperature
Bars run from the average night-time low to the average daytime high, in °C.
Rainfall
Average total rainfall each month, in millimetres.
Wind
Average wind speed at 10 metres each month, in km/h.
| Month | High °C | Low °C | Rain mm | Rain days | Sun h/day | Wind km/h |
|---|---|---|---|---|---|---|
| January | 4 | −1 | 43 | 13 | 3.9 | 14 |
| February | 7 | −1 | 39 | 10 | 5.7 | 13 |
| March | 11 | 1 | 29 | 9 | 8.0 | 11 |
| April | 14 | 4 | 50 | 10 | 8.9 | 12 |
| May | 20 | 9 | 69 | 12 | 11.0 | 12 |
| June | 25 | 14 | 72 | 11 | 12.8 | 10 |
| July | 26 | 16 | 68 | 14 | 12.2 | 10 |
| August | 25 | 15 | 91 | 12 | 10.7 | 9 |
| September | 21 | 12 | 68 | 9 | 9.1 | 10 |
| October | 16 | 7 | 41 | 11 | 7.0 | 11 |
| November | 8 | 2 | 51 | 10 | 4.4 | 11 |
| December | 5 | −1 | 50 | 11 | 3.6 | 12 |
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