April weather forecastKalajoki, Finland

April

Weather in April

April is a cold spring month in Kalajoki, Finland, with an average temperature fluctuating between -0.3°C (31.5°F) and 3.8°C (38.8°F).

Temperature

Observing a minor shift, the average high-temperature during April adjusts from March's freezing cold -0.8°C (30.6°F) to an icy 3.8°C (38.8°F). During the nights of April, the average low-temperature in Kalajoki holds at a subzero cold -0.3°C (31.5°F).

Humidity

In April, the average relative humidity in Kalajoki is 84%.

Rainfall

The month with the least rainfall in Kalajoki, Finland, is April, when the rain falls for 9.6 days and typically collects 14mm (0.55") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Kalajoki. In Kalajoki, during April, snow falls for 6.5 days and regularly aggregates up to 32mm (1.26") of snow. In Kalajoki, Finland, during the entire year, snow falls for 83 days and aggregates up to 439mm (17.28") of snow.

Sea temperature

With an average sea temperature of -0.3°C (31.5°F), April is the month with the coldest seawater.
Note: In swimming scenarios, this is an immediate danger to life. Breathing becomes uncontrollable instantly, obstructing any form of clear thinking. A specialized swimsuit is indispensable to lessen thermal leakage.

Daylight

The average length of the day in April is 15h and 10min.
On the first day of the month, sunrise is at 06:39 and sunset at 20:16. On the last day of April, in Kalajoki, sunrise is at 04:56 and sunset at 21:46 EEST.

Sunshine

In April, the average sunshine in Kalajoki is 6.8h.

UV index

The average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 2 during April, leads to the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

During April, Kalajoki experiences an average high-temperature of 3.8°C (38.8°F) and a low-temperature of -0.3°C (31.5°F).

In Kalajoki, Finland, the average relative humidity in April is 84%.

The month with the least rainfall is April, when the rain falls for 9.6 days and typically collects 14mm (0.55") of precipitation.

In Kalajoki, in April, during 9.6 rainfall days, 14mm (0.55") of precipitation is typically accumulated.

In Kalajoki, in April, during 6.5 snowfall days, 32mm (1.26") of snow is typically accumulated.

With an average sea temperature of -0.3°C (31.5°F), April is the month with the coldest seawater.

In April, the average sea temperature is -0.3°C (31.5°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.

In April, the average day length is 15h and 10min.

In April, on the first day of the month, sunrise is at 06:39 and sunset at 20:16. On the last day of the month, in Kalajoki, sunrise is at 04:56 and sunset at 21:46 EEST.

In Kalajoki, the average sunshine duration in April is 6.8h.

The average daily maximum UV index in April in Kalajoki is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Kalajoki, Finland

  • Average high temperature in April: 3.8°C

The warmest month (with the highest average high temperature) is July (18.2°C).
The month with the lowest average high temperature is January (-3.8°C).

  • Average low temperature in April: -0.3°C

The month with the highest average low temperature is July (12.9°C).
The coldest months (with the lowest average low temperature) are January and February (-7.3°C).

Average pressure in April
Kalajoki, Finland

  • Average pressure in April: 1012mbar

The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.5mbar).

Average wind speed in April
Kalajoki, Finland

  • Average wind speed in April: 14.2km/h

The windiest month (with the highest average wind speed) is December (19.2km/h).
The calmest month (with the lowest average wind speed) is July (13.2km/h).

Average humidity in April
Kalajoki, Finland

  • Average humidity in April: 84%

The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is June (72%).

Average rainfall in April
Kalajoki, Finland

  • Average rainfall in April: 14mm

The wettest month (with the highest rainfall) is August (39mm).
The driest month (with the least rainfall) is April (14mm).

Average rainfall days in April
Kalajoki, Finland

  • Average rainfall days in April: 9.6 days

The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is February (3.6 days).

Average snowfall in April
Kalajoki, Finland

  • Average snowfall in April: 32mm

The months with the highest snowfall are February and December (85mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in April
Kalajoki, Finland

  • Average snowfall days in April: 6.5 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in April
Kalajoki, Finland

  • Average sea temperature in April: -0.3°C

The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest month (with the lowest average sea temperature) is April (-0.3°C).

Average daylight in April /
Average sunshine in April
Kalajoki, Finland

  • Average daylight in April: 15h and 12min

The month with the longest days is June (Average daylight: 21h and 0min).
The month with the shortest days is December (Average daylight: 4h and 18min).

  • Average sunshine in April: 6h and 48min

The month with the most sunshine is June (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).

Average sunshine days in April
Kalajoki, Finland

  • Average sunshine days in April: 14.1 days

The month with the most sunshine days is May (17.5 days).
The month with the least sunshine days is December (10.5 days).

Average UV index in April
Kalajoki, 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, February, November and December (UV index 1).

Average cloud cover in April
Kalajoki, Finland

  • Average cloud cover in April: 58

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is June (Cloud cover 38).

Average visibility in April
Kalajoki, Finland

  • Average visibility in April: 8km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and April (8km).