Prague is at its most pleasant from late May to mid September. For walking, go from late August to October. It is rarely warm enough for sunbathing.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
Prague never quite rates Good for sun. It comes closest in mid August, at 48, mostly because it is too cool. The weakest stretch is from late September to mid May, when it drops to 0, mostly because it is too cool. The clearest skies come in August, when the sky is typically 60% covered at midday (often cloudy).
For being outside, go from late May to mid September. It peaks in early June, at 83. Avoid November to mid March for this: it falls to 0, mostly because it is too cold.
The walking season here runs from late August to October, with a second spell from mid April to mid June. It peaks in late September, at 83. The weakest stretch is in mid and late January, when it drops to 1, mostly because it is too cold.
The year, measured
The average temperature in Prague over the whole year is 10°C. July is the hottest month, with highs of about 24°C; January is the coldest, with lows of about -0°C. Prague has no sharply defined rainy season: the chance of rain on a given day runs from 12% in September, the driest month, to 21% in January, the wettest. Winds in Prague are highest in January, averaging 3.3 m/s (12 km/h), and lightest in August, at 2.3 m/s (8 km/h). The prevailing wind is from the W. The clearest skies in Prague come in August, when the sky is typically 62% covered; December is the cloudiest month, at 85%.
Month by month Prague climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 2°C | -0°C | -3°C | 21% | 83% | 3.3 m/s | 0 | 0 | 4 |
| February | 5°C | 1°C | -0°C | 17% | 77% | 3.2 m/s | 0 | 0 | 12 |
| March | 8°C | 2°C | 4°C | 16% | 73% | 3.0 m/s | 2 | 0 | 30 |
| April | 13°C | 5°C | 9°C | 14% | 68% | 2.9 m/s | 22 | 1 | 59 |
| May | 17°C | 10°C | 14°C | 14% | 68% | 2.8 m/s | 49 | 3 | 78 |
| June | 23°C | 16°C | 21°C | 16% | 63% | 2.6 m/s | 76 | 25 | 59 |
| July | 24°C | 16°C | 22°C | 14% | 65% | 2.6 m/s | 76 | 31 | 54 |
| August | 24°C | 16°C | 23°C | 17% | 62% | 2.3 m/s | 68 | 37 | 48 |
| September | 19°C | 11°C | 17°C | 12% | 64% | 2.4 m/s | 62 | 14 | 72 |
| October | 13°C | 8°C | 11°C | 17% | 74% | 2.6 m/s | 24 | 0 | 73 |
| November | 6°C | 3°C | 3°C | 17% | 82% | 2.6 m/s | 0 | 0 | 24 |
| December | 3°C | 1°C | -1°C | 18% | 85% | 3.1 m/s | 0 | 0 | 7 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Prague weather by season
Year round, Prague has days of about 2°C at their warmest in January, its coolest month, and 24°C in July, its warmest; the coolest hours of the day run from -0°C to 16°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around January and least likely around September. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Prague weather in winterDecember to February
Winter in Prague has typical daily highs of about 3°C and lows of about 1°C, with a 19% chance of rain on a given day.
Prague weather in springMarch to May
Spring in Prague has typical daily highs of about 13°C and lows of about 6°C, with a 15% chance of rain on a given day.
Prague weather in summerJune to August
Summer in Prague has typical daily highs of about 23°C and lows of about 16°C, with a 16% chance of rain on a given day.
Prague weather in autumnSeptember to November
Autumn in Prague has typical daily highs of about 13°C and lows of about 7°C, with a 15% chance of rain on a given day.
When is the rainy season in Prague?
Prague has no sharply defined rainy season: the chance of rain on a given day runs from 12% in September, the driest month, to 21% in January, the wettest.
What time of year is Prague windiest?
Winds in Prague are highest in January, averaging 3.3 m/s (12 km/h), and lightest in August, at 2.3 m/s (8 km/h). The prevailing wind is from the W.
What is the average temperature in Prague year round?
The average temperature in Prague over the whole year is 10°C. July is the hottest month, with highs of about 24°C; January is the coldest, with lows of about -0°C.
Where to go instead in early January, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.