May weather forecastPrague, Czech Republic

May
Weather in May
May brings a marked increase in temperature, scaling up to 18.3°C (64.9°F), asserting the dominance of Spring in Prague. The high level of rainfall observed in April subsides marginally but is still significant enough to sustain the verdant greenery. Extended daylight hours invite long strolls and outdoor activities, truly allowing one to explore the rich cityscape of Prague. The weather gracefully oscillates between sunny and rainy periods, creating a pleasant effect. In essence, May provides a balanced concoction of moderate temperature, abundant greenery, and ample sunshine.Temperature
The onset of May brings a temperature shift, with the average high-temperature moving from a moderate 13.3°C (55.9°F) in April to a still refreshing 18.3°C (64.9°F). Prague reports an average low-temperature of 7.1°C (44.8°F) during the nights of May.Humidity
The months with the lowest humidity are April, May and July, with an average relative humidity of 70%.Rainfall
May is the month with the most rainfall in Prague, Czech Republic. Rain falls for 9.8 days and accumulates 77mm (3.03") of precipitation.Snowfall
May through September are months without snowfall in Prague.Daylight
In May, the average length of the day in Prague is 15h and 26min.On the first day of May in Prague, Czech Republic, sunrise is at 05:37 and sunset at 20:21. On the last day of the month, sunrise is at 04:57 and sunset at 21:02 CEST.
Sunshine
In May, the average sunshine is 6.9h.UV index
In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 6 during May morphs into the following directions:
Shield from overexposure. Defense against sun-related harm is required. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Prague, Czech Republic
- Average high temperature in May: 18.3°C
The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in May: 7.1°C
The month with the highest average low temperature is July (11.9°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).
Average humidity in May
Prague, Czech Republic
- Average humidity in May: 70%
The months with the highest relative humidity are January, November and December (85%).
The months with the lowest relative humidity are April, May and July (70%).
Average rainfall in May
Prague, Czech Republic
- Average rainfall in May: 77.2mm
The wettest month (with the highest rainfall) is May (77.2mm).
The driest month (with the least rainfall) is February (22.6mm).
Average rainfall days in May
Prague, Czech Republic
- Average rainfall days in May: 9.8 days
The month with the highest number of rainy days is June (10.3 days).
The month with the least rainy days is October (5.5 days).
Average snowfall in May
Prague, Czech Republic
- Average snowfall in May: 0mm
The month with the highest snowfall is January (179mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average daylight in May /
Average sunshine in May
Prague, Czech Republic
- Average daylight in May: 15h and 24min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in May: 6h and 54min
The months with the most sunshine are June and July (Average sunshine: 7h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average UV index in May
Prague, Czech Republic
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 1).





