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 sea temperature 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
Weather in May
Temperature
May in Keminmaa brings an increase in the average high-temperature, progressing from a cold 1.9°C (35.4°F) in April to a frosty 8.5°C (47.3°F). Keminmaa sustains an average of approximately an icy 3.8°C (38.8°F) during May nights, with little variation from daytime highs.Humidity
In May, the average relative humidity is 76%.Rainfall
In Keminmaa, in May, during 13.3 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Keminmaa, during the entire year, the rain falls for 127 days and collects up to 472mm (18.58") of precipitation.Snowfall
January through June, October through December are months with snowfall. In Keminmaa, in May, snow falls for 3.4 days, with typically accumulated 37mm (1.46") of snow. In Keminmaa, during the entire year, snow falls for 98.7 days and aggregates up to 1035mm (40.75") of snow.Sea temperature
In Keminmaa, in May, the average water temperature is 3°C (37.4°F).Note: In the realm of swimming, this state is extremely cold, treacherous, and life-threatening. Without properly insulated waterproof clothing, hypothermia develops almost immediately.
Daylight
The average length of the day in May is 19h and 14min.On the first day of May, sunrise is at 04:37 and sunset at 21:59. On the last day of the month, sunrise is at 02:40 and sunset at 23:58 EEST.
Sunshine
In May, the average sunshine in Keminmaa is 10.6h.UV index
In May, the average daily maximum UV index in Keminmaa, Finland, is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 3 during May morphs into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What are the temperatures in Keminmaa in May?
What is the average humidity in May in Keminmaa?
How much does it rain in Keminmaa in May?
How many days does it snow in May in Keminmaa?
How cold is the water in May in Keminmaa?
How many hours of daylight does Keminmaa have in May?
When is the sunrise / sunset in May in Keminmaa?
How long on average sun shines in May in Keminmaa?
How high is the UV index in May in Keminmaa?
Average temperature in May
Keminmaa, Finland
- Average high temperature in May: 8.5°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (-6.3°C).
- Average low temperature in May: 3.8°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-10.7°C).
Average pressure in May
Keminmaa, Finland
- Average pressure in May: 1013.9mbar
The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1004.9mbar).
Average wind speed in May
Keminmaa, Finland
- Average wind speed in May: 13.5km/h
The windiest month (with the highest average wind speed) is November (17.7km/h).
The calmest month (with the lowest average wind speed) is April (12.4km/h).
Average humidity in May
Keminmaa, Finland
- Average humidity in May: 76%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (71%).
Average rainfall in May
Keminmaa, Finland
- Average rainfall in May: 36mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in May
Keminmaa, Finland
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Keminmaa, Finland
- Average snowfall in May: 37mm
The month with the highest snowfall is March (228mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in May
Keminmaa, Finland
- Average snowfall days in May: 3.4 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are July, August and September (0 days).
Average sea temperature in May
Keminmaa, Finland
- Average sea temperature in May: 3°C
The best month for swimming (with the highest average sea temperature) is July (16.8°C).
The coldest months (with the lowest average sea temperature) are January and February (-0.7°C).
Average daylight in May /
Average sunshine in May
Keminmaa, Finland
- Average daylight in May: 19h and 1min
The month with the longest days is July (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 3h and 18min).
- Average sunshine in May: 10h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in May
Keminmaa, Finland
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is October (13.9 days).
The month with the least sunshine days is December (9.9 days).
Average UV index in May
Keminmaa, 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, March, October and December (UV index 1).
Average cloud cover in May
Keminmaa, Finland
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in May
Keminmaa, Finland
- Average visibility in May: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March and April (7km).
Keminmaa, Finland
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