May weather forecastLahnus, Finland
May
Weather in May
The last month of the spring, May, is a cool month in Lahnus, Finland, with an average temperature fluctuating between 6.8°C (44.2°F) and 12.6°C (54.7°F).Temperature
The start of May brings a rise in the average high-temperature, moving from a chilly 6.1°C (43°F) in April to a fresh 12.6°C (54.7°F). Lahnus's average low-temperature in May is measured at a chilly 6.8°C (44.2°F).Humidity
The least humid month is May, with an average relative humidity of 72%.Rainfall
In May, the rain falls for 12 days. Throughout May, 32mm (1.26") of precipitation is accumulated. In Lahnus, during the entire year, the rain falls for 154.7 days and collects up to 499mm (19.65") of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1.2 snowfall days, in May, Lahnus aggregates 22mm (0.87") of snow. In Lahnus, Finland, during the entire year, snow falls for 83.6 days and aggregates up to 675mm (26.57") of snow.Daylight
The average length of the day in May is 17h and 16min.On the first day of the month, sunrise is at 05:15 and sunset at 21:21. On the last day of May, sunrise is at 04:07 and sunset at 22:30 EEST.
Sunshine
In May, the average sunshine is 10.2h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 4 during May translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. To protect against the Sun's most potent rays, avoid direct exposure around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Lahnus, Finland
- Average high temperature in May: 12.6°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in May: 6.8°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).
Average pressure in May
Lahnus, 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 (1008.5mbar).
Average wind speed in May
Lahnus, Finland
- Average wind speed in May: 13.2km/h
The windiest month (with the highest average wind speed) is December (20.1km/h).
The calmest month (with the lowest average wind speed) is May (13.2km/h).
Average humidity in May
Lahnus, Finland
- Average humidity in May: 72%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in May
Lahnus, Finland
- Average rainfall in May: 32mm
The wettest months (with the highest rainfall) are July and October (52mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in May
Lahnus, Finland
- Average rainfall days in May: 12 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in May
Lahnus, Finland
- Average snowfall in May: 22mm
The month with the highest snowfall is January (157mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Lahnus, Finland
- Average snowfall days in May: 1.2 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lahnus, Finland
- Average daylight in May: 17h and 18min
The month with the longest days is June (Average daylight: 18h and 48min).
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 June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in May
Lahnus, Finland
- Average sunshine days in May: 16.5 days
The month with the most sunshine days is May (16.5 days).
The month with the least sunshine days is December (5.6 days).
Average UV index in May
Lahnus, Finland
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in May
Lahnus, Finland
- Average cloud cover in May: 39
The month with the most cloud cover is December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in May
Lahnus, Finland
- Average visibility in May: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).





