April weather forecast
Keminmaa, Finland

Weather in April

April in Keminmaa, Finland, is a wintry spring month, with an average temperature fluctuating between -2.5°C (27.5°F) and 1.9°C (35.4°F).

Temperature

In April, the average high-temperature marginally rises from a subzero cold -2.1°C (28.2°F) in March to a cold 1.9°C (35.4°F). In April, in Keminmaa, Finland, the average low-temperature is -2.5°C (27.5°F).

Humidity

The average relative humidity in April in Keminmaa is 92%.

Rainfall

The month with the least rainfall is April, when the rain falls for 10.8 days and typically collects 28mm (1.1") of precipitation.

Snowfall

Months with snowfall are January through June, October through December. In Keminmaa, during April, snow falls for 10 days and regularly aggregates up to 82mm (3.23") of snow. Throughout the year, there are 98.7 snowfall days, and 1035mm (40.75") of snow is accumulated.

Sea temperature

In Keminmaa, Finland, the average water temperature is -0.1°C (31.8°F).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

The average length of the day in April is 15h and 24min.
On the first day of the month, sunrise is at 06:35 and sunset at 20:15. On the last day of April, in Keminmaa, Finland, sunrise is at 04:43 and sunset at 21:54 EEST.

Sunshine

In April, the average sunshine is 5.5h.

UV index

In Keminmaa, the average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In April, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 April in Keminmaa?

The average relative humidity in April is 92%.

What is the driest month in Keminmaa?

April is the month with the least rainfall in Keminmaa. Rain falls for 10.8 days and accumulates 28mm (1.1") of precipitation.

How much does it rain in Keminmaa in April?

In Keminmaa, in April, it is raining for 10.8 days, with typically 28mm (1.1") of accumulated precipitation.

How much does it snow in Keminmaa in April?

In Keminmaa, in April, during 10 snowfall days, 82mm (3.23") of snow is typically accumulated.

What is the sea temperature in April in Keminmaa?

In Keminmaa, Finland, the average seawater temperature in April is -0.1°C (31.8°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.

What is the average length of the day in April in Keminmaa?

In April, the average day length in Keminmaa, Finland, is 15h and 24min.

When are sunrise and sunset in April in Keminmaa?

In April, on the first day of the month, sunrise is at 06:35 and sunset at 20:15. On the last day of the month, in Keminmaa, Finland, sunrise is at 04:43 and sunset at 21:54 EEST.

How many hours of sunshine does Keminmaa have in April?

In April, the average sunshine duration in Keminmaa, Finland, is 5.5h.

What is the UV index intensity in April in Keminmaa?

In Keminmaa, Finland, the average daily maximum UV index in April is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.

Average temperature in April
Keminmaa, Finland

Average temperature in April - Keminmaa, Finland
  • Average high temperature in April: 1.9°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 April: -2.5°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 April
Keminmaa, Finland

Average pressure in April - Keminmaa, Finland
  • Average pressure in April: 1011.4mbar

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 April
Keminmaa, Finland

Average wind speed in April - Keminmaa, Finland
  • Average wind speed in April: 12.4km/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 April
Keminmaa, Finland

Average humidity in April - Keminmaa, Finland
  • Average humidity in April: 92%

The 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 April
Keminmaa, Finland

Average rainfall in April - Keminmaa, Finland
  • Average rainfall in April: 28mm

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 April
Keminmaa, Finland

Average rainfall days in April - Keminmaa, Finland
  • Average rainfall days in April: 10.8 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 April
Keminmaa, Finland

Average snowfall in April - Keminmaa, Finland
  • Average snowfall in April: 82mm

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

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Average snowfall days in April
Keminmaa, Finland

Average snowfall days in April - Keminmaa, Finland
  • Average snowfall days in April: 10 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).

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Average sea temperature in April
Keminmaa, Finland

Average sea temperature in April - Keminmaa, Finland
  • Average sea temperature in April: -0.1°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 April /
Average sunshine in April
Keminmaa, Finland

Average daylight in April / Average sunshine in April - Keminmaa, Finland
  • Average daylight in April: 15h and 24min

The month with the longest days is July (Average daylight: 20h and 43min).
The month with the shortest days is December (Average daylight: 3h and 20min).

  • Average sunshine in April: 5h and 30min

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).

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Average sunshine days in April
Keminmaa, Finland

Average sunshine days in April - Keminmaa, Finland
  • Average sunshine days in April: 11 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 April
Keminmaa, Finland

Average UV index in April - Keminmaa, Finland
  • Average UV index in April: 2

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).

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Average cloud cover in April
Keminmaa, Finland

Average cloud cover in April - Keminmaa, Finland
  • Average cloud cover in April: 65

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 April
Keminmaa, Finland

Average visibility in April - Keminmaa, Finland
  • Average visibility in April: 7km

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).

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