Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
May's onset brings a subtle temperature rise, moving from a moderate 13.9°C (57°F) in April to a comfortable 17.5°C (63.5°F). An average low-temperature of 8.3°C (46.9°F) is common during the nights of May.Humidity
In Siewierz, the average relative humidity in May is 76%.Rainfall
In Siewierz, during May, the rain falls for 16.9 days and regularly aggregates up to 52mm (2.05") of precipitation. In Siewierz, during the entire year, the rain falls for 138.8 days and collects up to 438mm (17.24") of precipitation.Snowfall
January through May, October through December are months with snowfall in Siewierz, Poland. May is the last month it regularly snows. During 0.3 snowfall days, in May, Siewierz aggregates 4mm (0.16") of snow. In Siewierz, during the entire year, snow falls for 47.1 days and aggregates up to 358mm (14.09") of snow.Daylight
In Siewierz, the average length of the day in May is 15h and 29min.On the first day of the month, sunrise is at 05:16 and sunset at 20:03. On the last day of May, sunrise is at 04:36 and sunset at 20:44 CEST.
Sunshine
In Siewierz, Poland, the average sunshine in May is 8.2h.UV index
In Siewierz, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the maximum UV index of 4 suggests this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Siewierz?
What is the average humidity in May in Siewierz?
How much does it rain in Siewierz in May?
What is the last month it snows in Siewierz?
What is the average length of the day in May in Siewierz?
When are sunrise and sunset in May in Siewierz?
How many hours of sunshine does Siewierz have in May?
How high is the UV index in May in Siewierz?
Average temperature in May
Siewierz, Poland
- Average high temperature in May: 17.5°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in May: 8.3°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in May
Siewierz, Poland
- Average pressure in May: 1015.2mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.4mbar).
Average wind speed in May
Siewierz, Poland
- Average wind speed in May: 12.3km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in May
Siewierz, Poland
- Average humidity in May: 76%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (69%).
Average rainfall in May
Siewierz, Poland
- Average rainfall in May: 52mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is November (18mm).
Average rainfall days in May
Siewierz, Poland
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in May
Siewierz, Poland
- Average snowfall in May: 4mm
The month with the highest snowfall is January (116mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Siewierz, Poland
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Siewierz, Poland
- Average daylight in May: 15h and 3min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in May
Siewierz, Poland
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in May
Siewierz, 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
Siewierz, Poland
- Average cloud cover in May: 47
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Siewierz, Poland
- Average visibility in May: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).
