May weather forecastOulunsalo, Finland
May
Weather in May
May, the last month of the spring in Oulunsalo, is a fresh month, with temperature in the range of an average low of 4.2°C (39.6°F) and an average high of 11.1°C (52°F).Temperature
Oulunsalo's May weather shows an increase in high-temperatures, moving from April's wintry 3.4°C (38.1°F) to a cool 11.1°C (52°F). Throughout May, an average nighttime temperature of 4.2°C (39.6°F) is experienced in Oulunsalo.Humidity
The average relative humidity in May is 71%.Rainfall
In Oulunsalo, Finland, in May, during 11.8 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Oulunsalo, Finland, during the entire year, the rain falls for 117.3 days and collects up to 434mm (17.09") of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows in Oulunsalo. During 1.5 snowfall days, in May, Oulunsalo aggregates 23mm (0.91") of snow. Throughout the year, there are 107.1 snowfall days, and 1131mm (44.53") of snow is accumulated.Daylight
In Oulunsalo, the average length of the day in May is 18h and 49min.On the first day of the month, sunrise is at 04:41 and sunset at 21:48. On the last day of May, in Oulunsalo, sunrise is at 02:58 and sunset at 23:33 EEST.
Sunshine
In Oulunsalo, the average sunshine in May is 10.1h.UV index
In May, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 3 in May suggests the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Oulunsalo, Finland
- Average high temperature in May: 11.1°C
The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (-6.1°C).
- Average low temperature in May: 4.2°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-10.6°C).
Average pressure in May
Oulunsalo, Finland
- Average pressure in May: 1014mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1005.4mbar).
Average wind speed in May
Oulunsalo, Finland
- Average wind speed in May: 12.1km/h
The windiest month (with the highest average wind speed) is November (13.7km/h).
The calmest month (with the lowest average wind speed) is July (10.6km/h).
Average humidity in May
Oulunsalo, Finland
- Average humidity in May: 71%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (69%).
Average rainfall in May
Oulunsalo, Finland
- Average rainfall in May: 31mm
The wettest month (with the highest rainfall) is July (59mm).
The driest months (with the least rainfall) are April and September (25mm).
Average rainfall days in May
Oulunsalo, Finland
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Oulunsalo, Finland
- Average snowfall in May: 23mm
The month with the highest snowfall is March (232mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in May
Oulunsalo, Finland
- Average snowfall days in May: 1.5 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Oulunsalo, Finland
- Average daylight in May: 18h and 48min
The month with the longest days is June (Average daylight: 21h and 36min).
The month with the shortest days is December (Average daylight: 3h and 54min).
- Average sunshine in May: 10h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 0min).
Average sunshine days in May
Oulunsalo, Finland
- Average sunshine days in May: 16.8 days
The month with the most sunshine days is June (17 days).
The month with the least sunshine days is December (7.4 days).
Average UV index in May
Oulunsalo, Finland
- Average UV index in May: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in May
Oulunsalo, Finland
- Average cloud cover in May: 49
The month with the most cloud cover is February (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in May
Oulunsalo, Finland
- Average visibility in May: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (6km).








