May weather forecast and climate
Kemi, Finland

Weather in May

May, the last month of the spring, in Kemi, is a chilly month, with average temperature ranging between max 8.5°C (47.3°F) and min 3.8°C (38.8°F).

Temperature

In Kemi, the average high-temperature rises, from a cold 1.9°C (35.4°F) in April, to a chilly 8.5°C (47.3°F). In May, in Kemi, the average low-temperature is 3.8°C (38.8°F).

Humidity

The average relative humidity in May is 76%.

Rainfall

In Kemi, it is raining for 13.3 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, in Kemi, there are 127 rainfall days, and 472mm (18.58") of precipitation is accumulated.

Snowfall

January through June, October through December are months with snowfall in Kemi, Finland. In Kemi, during 3.4 snowfall days, 37mm (1.46") of snow is typically accumulated. Throughout the year, in Kemi, Finland, there are 98.7 snowfall days, and 1035mm (40.75") of snow is accumulated.

Sea temperature

In May, the average sea temperature is 3°C (37.4°F).
Note: For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

Daylight

The average length of the day in May is 19.2h.

Sunshine

In May, the average sunshine in Kemi is 10.6h.

UV index

In Kemi, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: In May, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Kemi?

The average relative humidity in May in Kemi is 76%.

How many days does it rain in May in Kemi?

In Kemi, in May, during 13.3 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

How much does it snow in Kemi in May?

In Kemi, in May, during 3.4 snowfall days, 37mm (1.46") of snow is typically accumulated.

What is the water temperature in May in Kemi?

In Kemi, Finland, in May, the average water temperature is 3°C (37.4°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

How many hours of daylight does Kemi have in May?

The average length of the day in May in Kemi is 19.2h.

How many hours of sunshine does Kemi have in May?

In May, the average sunshine is 10.6h.

What is the UV index intensity in May in Kemi?

In Kemi, Finland, the average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in May
Kemi, Finland

Average temperature in May - Kemi, 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).

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Average pressure in May
Kemi, Finland

Average pressure in May - Kemi, 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).

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Average wind speed in May
Kemi, Finland

Average wind speed in May - Kemi, 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).

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Average humidity in May
Kemi, Finland

Average humidity in May - Kemi, Finland
  • Average humidity in May: 76%

Months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (71%).

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Average rainfall in May
Kemi, Finland

Average rainfall in May - Kemi, 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).

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Average rainfall days in May
Kemi, Finland

Average rainfall days in May - Kemi, 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).

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Average snowfall in May
Kemi, Finland

Average snowfall in May - Kemi, Finland
  • Average snowfall in May: 37mm

The month with the highest snowfall is March (228mm).
Months with the least snowfall are July, August and September (0mm).

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Average snowfall days in May
Kemi, Finland

Average snowfall days in May - Kemi, Finland
  • Average snowfall days in May: 3.4 days

The month with the highest number of snowfall days is January (18.8 days).
Months with the least snowfall days are July, August and September (0 days).

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Average sea temperature in May
Kemi, Finland

Average sea temperature in May - Kemi, 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).

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Average daylight in May /
Average sunshine in May
Kemi, Finland

Average daylight in May / Average sunshine in May - Kemi, Finland
  • Average daylight in May: 19.2h

The month with the longest days is June (Average daylight: 22.9h).
The month with the shortest days is December (Average daylight: 3.4h).

  • Average sunshine in May: 10.6h

The month with the most sunshine is July (Average sunshine: 12.3h).
The month with the least sunshine is December (Average sunshine: 1.1h).

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Average sunshine days in May
Kemi, Finland

Average sunshine days in May - Kemi, 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).

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Average UV index in May
Kemi, Finland

Average UV index in May - Kemi, Finland
  • Average UV index in May: 3

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, March, October and December (UV index 1).

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Average cloud cover in May
Kemi, Finland

Average cloud cover in May - Kemi, 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).

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Average visibility in May
Kemi, Finland

Average visibility in May - Kemi, Finland
  • Average visibility in May: 9km

Months with the highest visibility are June, July and August (10km).
Months with the lowest visibility are January, February, March and April (7km).

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