May weather forecastSłonne, Poland
May
Weather in May
May, the last month of the spring in Słonne, is a refreshing month, with temperature in the range of an average high of 17.8°C (64°F) and an average low of 6.9°C (44.4°F).Temperature
Słonne in May experiences a slight uptick in the average high-temperature, adjusting from April's moderate 13.8°C (56.8°F) to a comfortable 17.8°C (64°F). Throughout May, Słonne encounters an average temperature drop to a frosty 6.9°C (44.4°F).Humidity
The average relative humidity in May in Słonne is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 18.7 days and typically aggregates up to 65mm (2.56") of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Słonne aggregates 1mm (0.04") of snow. In Słonne, during the entire year, snow falls for 58.2 days and aggregates up to 527mm (20.75") of snow.Daylight
In May, the average length of the day in Słonne is 15h and 24min.On the first day of the month, sunrise is at 05:06 and sunset at 19:48. On the last day of May, in Słonne, sunrise is at 04:27 and sunset at 20:29 CEST.
Sunshine
In Słonne, the average sunshine in May is 8.1h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 4 in May leads to these guidelines:
Take precautions - Protection against sunburn is recommended. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Słonne, Poland
- Average high temperature in May: 17.8°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in May: 6.9°C
The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).
Average pressure in May
Słonne, Poland
- Average pressure in May: 1014.7mbar
The month with the highest atmospheric pressure is October (1019.2mbar).
The months with the lowest atmospheric pressure are June and July (1014.3mbar).
Average wind speed in May
Słonne, Poland
- Average wind speed in May: 10km/h
The windiest month (with the highest average wind speed) is December (14km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in May
Słonne, Poland
- Average humidity in May: 78%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (73%).
Average rainfall in May
Słonne, Poland
- Average rainfall in May: 65mm
The wettest month (with the highest rainfall) is May (65mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in May
Słonne, Poland
- Average rainfall days in May: 18.7 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is January (7 days).
Average snowfall in May
Słonne, Poland
- Average snowfall in May: 1mm
The month with the highest snowfall is December (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Słonne, Poland
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Słonne, Poland
- 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: 8h and 6min
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
Słonne, Poland
- Average sunshine days in May: 9.9 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in May
Słonne, 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 January, November and December (UV index 1).
Average cloud cover in May
Słonne, Poland
- Average cloud cover in May: 49
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 31).
Average visibility in May
Słonne, Poland
- Average visibility in May: 8km
The months with the highest visibility are April, August and September (9km).
The months with the lowest visibility are January and February (7km).





