April weather forecastKopervik, Norway

April

Weather in April

April in Kopervik, Norway, is a frosty spring month, with an average temperature fluctuating between 5.3°C (41.5°F) and 8°C (46.4°F).

Temperature

Kopervik's April average high-temperature settles at a chilly 8°C (46.4°F), showing a near match with the preceding month. The month of April in Kopervik is marked by an average minimum temperature of 5.3°C (41.5°F), slightly cooler than its daytime counterpart.

Humidity

In Kopervik, the average relative humidity in April is 77%.

Rainfall

April is the month with the least rainfall. Rain falls for 15.2 days and accumulates 58mm (2.28") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In April, it is snowing for 1.1 days. Throughout April, 5mm (0.2") of snow is accumulated. In Kopervik, Norway, during the entire year, snow falls for 22 days and aggregates up to 213mm (8.39") of snow.

Sea temperature

In April, the average sea temperature is 6.4°C (43.5°F).
Note: You can swim in 6.4°C (43.5°F) below 10°C (50°F) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 13°C (55.4°F) without it is tough.

Daylight

The average length of the day in April is 14h and 32min.
On the first day of April, sunrise is at 07:02 and sunset at 20:22. On the last day of the month, sunrise is at 05:40 and sunset at 21:31 CEST.

Sunshine

The average sunshine in April is 7.6h.

UV index

In April, the average daily maximum UV index in Kopervik is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: During April, 3 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Around midday, solar radiation is most harmful; hence, exposure should be limited. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

During April, Kopervik experiences an average high-temperature of 8°C (46.4°F) and a low-temperature of 5.3°C (41.5°F).

In Kopervik, Norway, the average relative humidity in April is 77%.

April is the month with the least rainfall. Rain falls for 15.2 days and accumulates 58mm (2.28") of precipitation.

In Kopervik, Norway, in April, during 15.2 rainfall days, 58mm (2.28") of precipitation is typically accumulated.

In Kopervik, in April, snow falls for 1.1 days, with typically accumulated 5mm (0.2") of snow.

In April, the average sea temperature in Kopervik, Norway, is 6.4°C (43.5°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

In April, the average day length is 14h and 32min.

In April, on the first day of the month, sunrise is at 07:02 and sunset at 20:22. On the last day of the month, in Kopervik, Norway, sunrise is at 05:40 and sunset at 21:31 CEST.

The average sunshine duration in April in Kopervik, Norway, is 7.6h.

In Kopervik, Norway, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Kopervik, Norway

  • Average high temperature in April: 8°C

The warmest month (with the highest average high temperature) is August (16.5°C).
The month with the lowest average high temperature is February (4.1°C).

  • Average low temperature in April: 5.3°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).

Average pressure in April
Kopervik, Norway

  • Average pressure in April: 1014.7mbar

The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1006.3mbar).

Average wind speed in April
Kopervik, Norway

  • Average wind speed in April: 18.1km/h

The windiest month (with the highest average wind speed) is January (26.7km/h).
The calmest months (with the lowest average wind speed) are June and July (17.5km/h).

Average humidity in April
Kopervik, Norway

  • Average humidity in April: 77%

The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are May, October and November (76%).

Average rainfall in April
Kopervik, Norway

  • Average rainfall in April: 58mm

The wettest month (with the highest rainfall) is October (158mm).
The driest month (with the least rainfall) is April (58mm).

Average rainfall days in April
Kopervik, Norway

  • Average rainfall days in April: 15.2 days

The month with the highest number of rainy days is December (21.8 days).
The month with the least rainy days is June (14.6 days).

Average snowfall in April
Kopervik, Norway

  • Average snowfall in April: 5mm

The month with the highest snowfall is January (62mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in April
Kopervik, Norway

  • Average snowfall days in April: 1.1 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in April
Kopervik, Norway

  • Average sea temperature in April: 6.4°C

The best month for swimming (with the highest average sea temperature) is August (16.2°C).
The coldest month (with the lowest average sea temperature) is March (4.8°C).

Average daylight in April /
Average sunshine in April
Kopervik, Norway

  • Average daylight in April: 14h and 30min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).

  • Average sunshine in April: 7h and 36min

The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 12min).

Average sunshine days in April
Kopervik, Norway

  • Average sunshine days in April: 12.3 days

The month with the most sunshine days is June (13.7 days).
The month with the least sunshine days is December (6.2 days).

Average UV index in April
Kopervik, Norway

  • Average UV index in April: 3

The months with the highest UV index are May, June, July and August (UV index 4).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in April
Kopervik, Norway

  • Average cloud cover in April: 50

The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is May (Cloud cover 47).

Average visibility in April
Kopervik, Norway

  • Average visibility in April: 9km

The months with the highest visibility are May, June, August and September (10km).
The months with the lowest visibility are January, February, March, April, July, October, November and December (9km).