May weather forecastRunosmäki, Finland
May weather for Runosmäki, Finland: May, the last month of the spring in Runosmäki, is a mild month, with an average temperature fluctuating between 13.2°C (55.8°F) and 6.7°C (44.1°F). The least humid month in Runosmäki, Finland, is May, with an average relative humidity of 71%.
May
Weather in May
May, the last month of the spring in Runosmäki, is a mild month, with an average temperature fluctuating between 13.2°C (55.8°F) and 6.7°C (44.1°F).Temperature
The onset of May marks an increase in the average high-temperature, moving from a frosty 6.8°C (44.2°F) in April to a mild 13.2°C (55.8°F). In Runosmäki, the May nights cool down to an average low of 6.7°C (44.1°F).Humidity
The least humid month in Runosmäki, Finland, is May, with an average relative humidity of 71%.Rainfall
In May, in Runosmäki, the rain falls for 12 days. Throughout May, 27mm (1.06") of precipitation is accumulated. Throughout the year, in Runosmäki, Finland, there are 134.6 rainfall days, and 394mm (15.51") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Runosmäki, Finland. During 0.8 snowfall days, in May, Runosmäki aggregates 13mm (0.51") of snow. Throughout the year, in Runosmäki, there are 60.5 snowfall days, and 454mm (17.87") of snow is accumulated.Daylight
In May, the average length of the day is 17h and 19min.On the first day of May in Runosmäki, sunrise is at 05:24 and sunset at 21:31. On the last day of the month, sunrise is at 04:15 and sunset at 22:41 EEST.
Sunshine
In May, the average sunshine is 10.2h.UV index
In Runosmäki, Finland, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 in May translates into these instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Runosmäki, Finland
- Average high temperature in May: 13.2°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-1.9°C).
- Average low temperature in May: 6.7°C
The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).
Average pressure in May
Runosmäki, Finland
- Average pressure in May: 1014.9mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in May
Runosmäki, Finland
- Average wind speed in May: 14.4km/h
The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in May
Runosmäki, Finland
- Average humidity in May: 71%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in May
Runosmäki, Finland
- Average rainfall in May: 27mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in May
Runosmäki, Finland
- Average rainfall days in May: 12 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in May
Runosmäki, Finland
- Average snowfall in May: 13mm
The month with the highest snowfall is January (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Runosmäki, Finland
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Runosmäki, Finland
- Average daylight in May: 17h and 18min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in May: 10h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days in May
Runosmäki, Finland
- Average sunshine days in May: 17.2 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in May
Runosmäki, Finland
- 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 January, February, March, November and December (UV index 1).
Average cloud cover in May
Runosmäki, Finland
- Average cloud cover in May: 40
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in May
Runosmäki, Finland
- Average visibility in May: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are February and March (8km).





