May weather forecastGronajny, Poland
May
Weather in May
May, the last month of the spring in Gronajny, is an enjoyable month, with an average temperature ranging between min 7.4°C (45.3°F) and max 17.7°C (63.9°F).Temperature
The shift from April to May is marked by a slight increase in the average high-temperature, moving from a mild 13.2°C (55.8°F) to an enjoyable 17.7°C (63.9°F). During May, Gronajny's temperature averages to a frosty 7.4°C (45.3°F) at night.Humidity
In Gronajny, the average relative humidity in May is 73%.Rainfall
In Gronajny, in May, during 12.4 rainfall days, 39mm (1.54") of precipitation is typically accumulated. In Gronajny, during the entire year, the rain falls for 133.3 days and collects up to 318mm (12.52") of precipitation.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows in Gronajny. During 0.3 snowfall days, in May, Gronajny aggregates 2mm (0.08") of snow. Throughout the year, there are 37.2 snowfall days, and 222mm (8.74") of snow is accumulated.Daylight
In Gronajny, the average length of the day in May is 16h and 0min.On the first day of May, sunrise is at 05:05 and sunset at 20:15. On the last day of the month, sunrise is at 04:18 and sunset at 21:04 CEST.
Sunshine
The average sunshine in May in Gronajny, Poland, is 9.1h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In May, a regular UV index of 5 translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Gronajny, Poland
- Average high temperature in May: 17.7°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in May: 7.4°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in May
Gronajny, Poland
- Average pressure in May: 1015.5mbar
The month with the highest atmospheric pressure is October (1016.9mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in May
Gronajny, Poland
- Average wind speed in May: 11.9km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in May
Gronajny, 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 (69%).
Average rainfall in May
Gronajny, Poland
- Average rainfall in May: 39mm
The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in May
Gronajny, Poland
- Average rainfall days in May: 12.4 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in May
Gronajny, Poland
- Average snowfall in May: 2mm
The month with the highest snowfall is January (75mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Gronajny, Poland
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Gronajny, Poland
- Average daylight in May: 16h and 0min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in May: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Gronajny, Poland
- Average sunshine days in May: 17 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in May
Gronajny, Poland
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Gronajny, Poland
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Gronajny, 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 November (8km).





