May weather forecastBolejny, Poland
May
Weather in May
The last month of the spring, May, is an enjoyable month in Bolejny, Poland, with an average temperature fluctuating between 18.2°C (64.8°F) and 7.3°C (45.1°F).Temperature
Bolejny's weather in May shows a minor rise in the average high-temperature, moving slightly up from April's moderate 13.3°C (55.9°F) to a comfortable 18.2°C (64.8°F). The low-temperature in Bolejny, Poland, averages to a frosty 7.3°C (45.1°F) during the nights of May.Humidity
In Bolejny, the average relative humidity in May is 73%.Rainfall
In May, in Bolejny, the rain falls for 16.4 days. Throughout May, 52mm (2.05") of precipitation is accumulated. Throughout the year, there are 155.1 rainfall days, and 414mm (16.3") of precipitation is accumulated.Snowfall
Months with snowfall in Bolejny, Poland, are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Bolejny aggregates 16mm (0.63") of snow. In Bolejny, during the entire year, snow falls for 51.5 days and aggregates up to 413mm (16.26") of snow.Daylight
In May, the average length of the day is 15h and 55min.On the first day of the month, sunrise is at 05:02 and sunset at 20:08. On the last day of May, sunrise is at 04:16 and sunset at 20:55 CEST.
Sunshine
In Bolejny, Poland, the average sunshine in May is 8.9h.UV index
The months with the highest UV index in Bolejny, Poland, are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 5 in May leads to these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bolejny, Poland
- Average high temperature in May: 18.2°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-1.1°C).
- Average low temperature in May: 7.3°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-4.7°C).
Average pressure in May
Bolejny, Poland
- Average pressure in May: 1015.4mbar
The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in May
Bolejny, Poland
- Average wind speed in May: 11.2km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in May
Bolejny, Poland
- Average humidity in May: 73%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (70%).
Average rainfall in May
Bolejny, Poland
- Average rainfall in May: 52mm
The wettest month (with the highest rainfall) is July (53mm).
The driest months (with the least rainfall) are March and April (22mm).
Average rainfall days in May
Bolejny, Poland
- Average rainfall days in May: 16.4 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in May
Bolejny, Poland
- Average snowfall in May: 16mm
The month with the highest snowfall is January (132mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Bolejny, Poland
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Bolejny, Poland
- Average daylight in May: 15h and 54min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in May: 8h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in May
Bolejny, Poland
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (9 days).
Average UV index in May
Bolejny, Poland
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Bolejny, Poland
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in May
Bolejny, Poland
- Average visibility in May: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).





