Trondheim
Norway
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Trondheim, Norway

April is a frosty spring month in Trondheim, Norway, with average temperature fluctuating between 6°C (42.8°F) and 0°C (32°F).

Temperature

In April, the average high-temperature marginally rises, from a wintry 3°C (37.4°F) in March, to a frosty 6°C (42.8°F). In Trondheim, the average low-temperature is 0°C (32°F).

Rainfall

In Trondheim, Norway, in April, it is raining for 18 days, with typically 67mm (2.6") of accumulated precipitation. In Trondheim, during the entire year, the rain falls for 239 days and collects up to 1096mm (43.1") of precipitation.

Sea temperature

In April, the average sea temperature in Trondheim is 6.3°C (43.3°F).
Note: Swimming in 6.3°C (43.3°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In Trondheim, the average length of the day is 15.1h.

Sunshine

In April, the average sunshine is 5h.

UV index

In Trondheim, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: In April, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. 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.

What is the temperature in April in Trondheim?

The average high-temperature, in April, in Trondheim, Norway, is 6°C (42.8°F), while the average low-temperature is 0°C (32°F).

How much does it rain in Trondheim in April?

In Trondheim, in April, during 18 rainfall days, 67mm (2.6") of precipitation is typically accumulated.

How cold is the water in April in Trondheim?

In Trondheim, in April, the average water temperature is 6.3°C (43.3°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.

How many hours of daylight does Trondheim have in April?

In April, the average length of the day is 15.1h.

How many hours of sunshine does Trondheim have in April?

In Trondheim, Norway, the average sunshine in April is 5h.

How high is the UV index in April in Trondheim?

The average daily maximum UV index in April in Trondheim, Norway, is 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation.
Average temperature in April - Trondheim, Norway
  • Average high temperature in April: 6°C

The warmest month (with the highest average high temperature) is August (17°C).
Months with the lowest average high temperature are January and February (0°C).

  • Average low temperature in April: 0°C

Months with the highest average low temperature are July and August (9°C).
Coldest months (with the lowest average low temperature) are January and February (-5°C).

Average rainfall in April - Trondheim, Norway
  • Average rainfall in April: 67mm

The wettest month (with the highest rainfall) is September (133mm).
The driest month (with the lowest rainfall) is May (53mm).

Average rainfall days in April - Trondheim, Norway
  • Average rainfall days in April: 18 days

Months with the highest number of rainy days are September and December (24 days).
The month with the lowest number of rainy days is May (15 days).

Average sea temperature in April - Trondheim, Norway
  • Average sea temperature in April: 6.3°C

The best month for swimming (with the highest average sea temperature) is August (14.8°C).
The coldest month (with the lowest average sea temperature) is March (4.9°C).

Average daylight in April / Average sunshine in April - Trondheim, Norway
  • Average daylight in April: 15.1h

The month with the longest days is June (Average daylight: 20.4h).
The month with shortest days is December (Average daylight: 4.7h).

  • Average sunshine in April: 5h

Months with most sunshine are May and June (Average sunshine: 7h).
Months with least sunshine are January and December (Average sunshine: 0).

Average UV index in April - Trondheim, Norway
  • Average UV index in April: 2

Months with the highest UV index are June and July (UV index 4).
Months with the lowest UV index are January, February, November and December (UV index 0).