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
The arrival of May brings a soft temperature shift, with the average high-temperature nudging from a mild 13.3°C (55.9°F) in April to an enjoyable 18.2°C (64.8°F). An average low-temperature of 7.3°C (45.1°F) is recorded in the month of May.Humidity
In May, the average relative humidity is 73%.Rainfall
In May, 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 are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Stary Olsztyn aggregates 16mm (0.63") of snow. In Stary Olsztyn, Poland, during the entire year, snow falls for 51.5 days and aggregates up to 413mm (16.26") of snow.Daylight
In Stary Olsztyn, the average length of the day in May is 15h and 58min.On the first day of May in Stary Olsztyn, sunrise is at 05:00 and sunset at 20:08. On the last day of the month, sunrise is at 04:14 and sunset at 20:56 CEST.
Sunshine
In Stary Olsztyn, the average sunshine in May is 8.9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 5 suggests this advice:
Undertake precautions - Guarding against sun damage is counselled. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Stary Olsztyn have in May?
What is the month with the highest UV index?
What is the UV index reading in May?
Average temperature in May
Stary Olsztyn, 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
Stary Olsztyn, 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
Stary Olsztyn, 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
Stary Olsztyn, 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
Stary Olsztyn, 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
Stary Olsztyn, 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
Stary Olsztyn, 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
Stary Olsztyn, 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
Stary Olsztyn, 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: 8h and 5min
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
Stary Olsztyn, 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
Stary Olsztyn, 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
Stary Olsztyn, 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
Stary Olsztyn, 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).
