May weather forecastCisna, Poland
May
Weather in May
The last month of the spring, May, is an enjoyable month in Cisna, Poland, with an average temperature fluctuating between 17.7°C (63.9°F) and 6.7°C (44.1°F).Temperature
The shift into May is characterized by a subtle rise in the average high-temperature, transitioning from April's mild 13.5°C (56.3°F) to a still refreshing 17.7°C (63.9°F). During the month of May, Cisna anticipates a mean low-temperature of 6.7°C (44.1°F).Humidity
In Cisna, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 18.3 days and accumulates 76mm (2.99") of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Cisna aggregates 21mm (0.83") of snow. Throughout the year, there are 63.1 snowfall days, and 829mm (32.64") of snow is accumulated.Daylight
In Cisna, the average length of the day in May is 15h and 20min.On the first day of May in Cisna, sunrise is at 05:08 and sunset at 19:47. On the last day of the month, sunrise is at 04:30 and sunset at 20:26 CEST.
Sunshine
The average sunshine in May in Cisna is 8h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cisna, Poland
- Average high temperature in May: 17.7°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in May: 6.7°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 (-5.7°C).
Average pressure in May
Cisna, Poland
- Average pressure in May: 1014.7mbar
The months with the highest atmospheric pressure are October and December (1019.2mbar).
The month with the lowest atmospheric pressure is June (1014.3mbar).
Average wind speed in May
Cisna, Poland
- Average wind speed in May: 9.7km/h
The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in May
Cisna, Poland
- Average humidity in May: 79%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (73%).
Average rainfall in May
Cisna, Poland
- Average rainfall in May: 76mm
The wettest month (with the highest rainfall) is May (76mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in May
Cisna, Poland
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7 days).
Average snowfall in May
Cisna, Poland
- Average snowfall in May: 21mm
The month with the highest snowfall is December (220mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Cisna, Poland
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Cisna, Poland
- Average daylight in May: 15h and 18min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in May: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in May
Cisna, Poland
- Average sunshine days in May: 11 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in May
Cisna, Poland
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in May
Cisna, Poland
- Average cloud cover in May: 50
The months with the most cloud cover are January and February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Cisna, Poland
- Average visibility in May: 8km
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, February and December (7km).





