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 sees a shift in the average high-temperature, moving from a frosty 6.8°C (44.2°F) in April to a moderate 13.9°C (57°F). In May, Keimola's temperature tends to fall to an average low of 6.6°C (43.9°F) during the night.Humidity
May is the least humid month in Keimola, with an average relative humidity of 69%.Rainfall
The month with the least rainfall is May, when the rain falls for 8.3 days and typically collects 15mm (0.59") of precipitation.Snowfall
January through May, October through December are months with snowfall in Keimola. May is the last month it regularly snows. During 0.6 snowfall days, in May, Keimola aggregates 12mm (0.47") of snow. In Keimola, during the entire year, snow falls for 53.9 days and aggregates up to 433mm (17.05") of snow.Daylight
In May, the average length of the day is 17h and 18min.On the first day of the month, sunrise is at 05:14 and sunset at 21:20. On the last day of May, in Keimola, sunrise is at 04:05 and sunset at 22:30 EEST.
Sunshine
In Keimola, the average sunshine in May is 10.1h.UV index
In Keimola, Finland, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during May leads to these instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Keimola?
What is the least humid month in Keimola?
What is the average humidity in May in Keimola?
What is the driest month in Keimola?
How many days does it rain in May in Keimola?
What is the last month it snows in Keimola?
What is the average length of the day in May in Keimola?
When are sunrise and sunset in May in Keimola?
How long on average sun shines in May in Keimola?
What is the UV index intensity in May in Keimola?
Average temperature in May
Keimola, Finland
- Average high temperature in May: 13.9°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in May: 6.6°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).
Average pressure in May
Keimola, 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 (1008.6mbar).
Average wind speed in May
Keimola, Finland
- Average wind speed in May: 12km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).
Average humidity in May
Keimola, Finland
- Average humidity in May: 69%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in May
Keimola, Finland
- Average rainfall in May: 15mm
The wettest month (with the highest rainfall) is October (48mm).
The driest month (with the least rainfall) is May (15mm).
Average rainfall days in May
Keimola, Finland
- Average rainfall days in May: 8.3 days
The months with the highest number of rainy days are July and August (15.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in May
Keimola, Finland
- Average snowfall in May: 12mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Keimola, Finland
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Keimola, Finland
- Average daylight in May: 17h and 2min
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 1min
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 54min).
Average sunshine days in May
Keimola, Finland
- Average sunshine days in May: 21.9 days
The month with the most sunshine days is May (21.9 days).
The month with the least sunshine days is November (11.1 days).
Average UV index in May
Keimola, 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, November and December (UV index 1).
Average cloud cover in May
Keimola, Finland
- Average cloud cover in May: 40
The months with the most cloud cover are February and December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in May
Keimola, 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 February and March (7km).
