May weather forecastSiomki, Poland
May
Weather in May
The last month of the spring, May, is a comfortable month in Siomki, Poland, with an average temperature varying between 8.6°C (47.5°F) and 18.4°C (65.1°F).Temperature
The commencement of May sees a minor shift in the average high-temperature, moving from a moderate 14.3°C (57.7°F) in April to a comfortable 18.4°C (65.1°F). The month of May records an average low-temperature of 8.6°C (47.5°F).Humidity
In Siomki, the average relative humidity in May is 73%.Rainfall
May is the month with the most rainfall. Rain falls for 18.5 days and accumulates 56mm (2.2") 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, Siomki aggregates 1mm (0.04") of snow. In Siomki, during the entire year, snow falls for 48.3 days and aggregates up to 361mm (14.21") of snow.Daylight
In May, the average length of the day is 15h and 37min.On the first day of May, sunrise is at 05:12 and sunset at 20:04. On the last day of the month, sunrise is at 04:30 and sunset at 20:47 CEST.
Sunshine
In Siomki, Poland, the average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Siomki, Poland
- Average high temperature in May: 18.4°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in May: 8.6°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-3.7°C).
Average pressure in May
Siomki, Poland
- Average pressure in May: 1015.2mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014mbar).
Average wind speed in May
Siomki, Poland
- Average wind speed in May: 12.2km/h
The windiest month (with the highest average wind speed) is December (15.5km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in May
Siomki, Poland
- Average humidity in May: 73%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (65%).
Average rainfall in May
Siomki, Poland
- Average rainfall in May: 56mm
The wettest month (with the highest rainfall) is May (56mm).
The driest month (with the least rainfall) is November (22mm).
Average rainfall days in May
Siomki, Poland
- Average rainfall days in May: 18.5 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in May
Siomki, Poland
- Average snowfall in May: 1mm
The month with the highest snowfall is January (124mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Siomki, Poland
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Siomki, Poland
- Average daylight in May: 15h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 3h and 0min).
Average sunshine days in May
Siomki, Poland
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is August (17.3 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in May
Siomki, Poland
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Siomki, Poland
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Siomki, Poland
- Average visibility in May: 9km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).





