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

Monthly weather forecast and climate
Trondheim, Norway

January, the same as December, is another cold winter month in Trondheim, Norway, with average temperature varying between 0°C (32°F) and -5°C (23°F). January and February, with an average high-temperature of 0°C (32°F), are the coldest months. Weather in January »
February, the last month of the winter, in Trondheim, is another cold month, with average temperature ranging between min -5°C (23°F) and max 0°C (32°F). January and February, with an average high-temperature of 0°C (32°F), are the coldest months. Weather in February »

March, the first month of the spring, in Trondheim, is also a wintry month, with average temperature fluctuating between -3°C (26.6°F) and 3°C (37.4°F). In March, the average high-temperature slightly increases, from 0°C (32°F) in February, to a still cold 3°C (37.4°F). Weather in March »

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

May, the last month of the spring, in Trondheim, is a cool month, with average temperature ranging between min 4°C (39.2°F) and max 12°C (53.6°F). In Trondheim, Norway, the average high-temperature increases, from a chilly 6°C (42.8°F) in April, to a cool 12°C (53.6°F). Weather in May »

June, the first month of the summer, in Trondheim, is an enjoyable month, with temperature in the range of an average high of 16°C (60.8°F) and an average low of 8°C (46.4°F). In June, the average high-temperature marginally rises, from a fresh 12°C (53.6°F) in May, to a comfortable 16°C (60.8°F). Weather in June »

July, the same as June, is another enjoyable summer month in Trondheim, Norway, with average temperature ranging between min 9°C (48.2°F) and max 16°C (60.8°F). In July, the average high-temperature remains equal as in June - a still comfortable 16°C (60.8°F). Weather in July »

August, the last month of the summer, in Trondheim, is also an enjoyable month, with average temperature varying between 9°C (48.2°F) and 17°C (62.6°F). The warmest month is August, with an average high-temperature of 17°C (62.6°F) and an average low-temperature of 9°C (48.2°F). Weather in August »

The first month of the autumn, September, is still a cool month in Trondheim, Norway, with average temperature varying between 12°C (53.6°F) and 6°C (42.8°F). In Trondheim, the average high-temperature drops, from a comfortable 17°C (62.6°F) in August, to a fresh 12°C (53.6°F). Weather in September »

October, the same as September, in Trondheim, Norway, is another chilly autumn month, with average temperature fluctuating between 3°C (37.4°F) and 8°C (46.4°F). In Trondheim, the average high-temperature slightly decreases, from a fresh 12°C (53.6°F) in September, to a frosty 8°C (46.4°F). Weather in October »

The last month of the autumn, November, is another cold month in Trondheim, Norway, with temperature in the range of an average low of -2°C (28.4°F) and an average high of 3°C (37.4°F). In November, the average high-temperature drops, from a frosty 8°C (46.4°F) in October, to a wintry 3°C (37.4°F). Weather in November »

The first month of the winter, December, is also a wintry month in Trondheim, Norway, with average temperature fluctuating between 1°C (33.8°F) and -4°C (24.8°F). In December, the average high-temperature is relatively the same as in November - a still wintry 1°C (33.8°F). Weather in December »

What are the coldest months in Trondheim?

The coldest months are January and February, with an average high-temperature of 0°C (32°F).

How many days does it rain in Trondheim?

Throughout the year, there are 239 rainfall days, and 1096mm (43.1") of precipitation is accumulated.

What is the month with the least sunshine in Trondheim?

Months with the least sunshine in Trondheim, Norway, are January and December, with an average of 0h of sunshine.

What is the month with the lowest UV index in Trondheim?

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 0.

What is the month with the coldest sea water in Trondheim?

March is the month with the coldest seawater, with an average sea temperature of 4.9°C (40.8°F).

What is the driest month in Trondheim?

May is the month with the least rainfall. Rain falls for 15 days and accumulates 53mm (2.1") of precipitation.

What are the months with the most sunshine in Trondheim?

May and June, with an average of 7h of sunshine, are months with the most sunshine in Trondheim.

When are the longest days in Trondheim?

With an average of 20.4h of daylight, June has the longest days of the year in Trondheim.

What is the month with the highest UV index in Trondheim?

June and July, with an average maximum UV index of 4, are months with the highest UV index in Trondheim, Norway.

What is the warmest month in Trondheim?

August is the warmest month, with an average high-temperature of 17°C (62.6°F) and an average low-temperature of 9°C (48.2°F).

What month is the sea warmest in Trondheim?

August is the month with the warmest seawater, with an average sea temperature of 14.8°C (58.6°F).

What is the rainiest month in Trondheim?

September is the month with the most rainfall. Rain falls for 24 days and accumulates 133mm (5.2") of precipitation.

What is the month with the shortest days in Trondheim?

December has the shortest days of the year, with an average of 4.7h of daylight.
Average rainfall - Trondheim, Norway
Average rainfall days - Trondheim, Norway

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 - Trondheim, Norway

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 / Average sunshine - Trondheim, Norway
Average UV index - Trondheim, Norway