Climate and monthly weather forecastTretten, Norway

Climate and monthly weather forecast

Weather in January

January, the same as December, in Tretten, Norway, is another subzero cold winter month, with an average temperature varying between -13.7°C (7.3°F) and -7.5°C (18.5°F). Tretten's coldest weather arrives in January, when temperatures average a high of -7.5°C (18.5°F) and a low of -13.7°C (7.3°F). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Tretten, Norway, with an average temperature ranging between max -5.7°C (21.7°F) and min -13.2°C (8.2°F). The average high-temperature during February is a still subzero cold -5.7°C (21.7°F), almost matching the conditions of the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Tretten, is also a subzero cold month, with an average temperature varying between -10.8°C (12.6°F) and -2°C (28.4°F). Tretten experiences a minor temperature shift with the start of March, with average high-temperatures moving from -5.7°C (21.7°F) in February to a still subzero cold -2°C (28.4°F). Weather in March »

Weather in April

April is a cold spring month in Tretten, Norway, with an average temperature fluctuating between -6.6°C (20.1°F) and 1.9°C (35.4°F). Tretten in April experiences a slight uptick in the average high-temperature, adjusting from March's subzero cold -2°C (28.4°F) to an icy 1.9°C (35.4°F). Weather in April »

Weather in May

The last month of the spring, May, is a frosty month in Tretten, Norway, with an average temperature varying between -0.7°C (30.7°F) and 8.8°C (47.8°F). An escalation in the average high-temperature is seen with the onset of May, moving from a wintry 1.9°C (35.4°F) in April to a chilly 8.8°C (47.8°F). Weather in May »

Weather in June

June, the first month of the summer in Tretten, is a refreshing month, with an average temperature fluctuating between 5°C (41°F) and 14.5°C (58.1°F). In Tretten, the average high-temperature in June rises, from a chilly 8.8°C (47.8°F) in May, to a refreshing 14.5°C (58.1°F). Weather in June »

Weather in July

July in Tretten, Norway, is a comfortable summer month, with an average temperature ranging between min 6.8°C (44.2°F) and max 16.8°C (62.2°F). July, characterized by an average high temperature of 16.8°C (62.2°F) and a low temperature of 6.8°C (44.2°F), is generally the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Tretten, is also a moderate month, with temperature in the range of an average low of 5.7°C (42.3°F) and an average high of 15°C (59°F). As July transitions into August, the average high-temperature rests at a still refreshing 15°C (59°F), maintaining a close resemblance to the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is also a fresh month in Tretten, Norway, with an average temperature ranging between min 2.9°C (37.2°F) and max 10.5°C (50.9°F). As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a refreshing 15°C (59°F) to a fresh 10.5°C (50.9°F). Weather in September »

Weather in October

October, the same as September, is an icy autumn month in Tretten, Norway, with an average temperature varying between 3.5°C (38.3°F) and -1.8°C (28.8°F). October comes with a drop in the average high-temperature, falling from September's fresh 10.5°C (50.9°F) to a cold 3.5°C (38.3°F). Weather in October »

Weather in November

November, the last month of the autumn in Tretten, is also a subzero cold month, with an average temperature varying between -7.5°C (18.5°F) and -2.7°C (27.1°F). November's onset brings a slight change in high-temperatures, falling from a wintry 3.5°C (38.3°F) in October to a freezing cold -2.7°C (27.1°F). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Tretten, Norway, with temperature in the range of an average low of -12.1°C (10.2°F) and an average high of -6.6°C (20.1°F). The arrival of December correlates with a minor temperature reduction, down from November's subzero cold -2.7°C (27.1°F) to a still freezing cold -6.6°C (20.1°F). Weather in December »

Frequently asked questions

With average temperatures fluctuating between a high of -7.5°C (18.5°F) and a low of -13.7°C (7.3°F), January stands out as the coldest month.

The months with the highest humidity are January and February, with an average relative humidity of 93%.

January is the month with the least rainfall. Rain falls for 3.5 days and accumulates 11mm (0.43") of precipitation.

In Tretten, during the entire year, the rain falls for 122 days and collects up to 286mm (11.26") of precipitation.

Months with snowfall are January through May, October through December.

Throughout the year, there are 74.6 snowfall days, and 377mm (14.84") of snow is accumulated.

January, February, October and December, with an average maximum UV index of 1, are months with the lowest UV index.

June is the least humid month, with an average relative humidity of 70%.

In Tretten, snow does not fall in June through September.

With an average of 19h and 12min of daylight, June has the longest days of the year.

The month with the most sunshine is June, with an average of 11.5h of sunshine.

The month of July sees the average highest temperatures, reaching 16.8°C (62.2°F) at the peak and 6.8°C (44.2°F) at the low.

The month with the most rainfall is July, when the rain falls for 19.3 days and typically aggregates up to 56mm (2.2") of precipitation.

With an average maximum UV index of 4, July is the month with the highest UV index.

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.

The month with the most snowfall is December, when snow falls for 13.5 days and typically aggregates up to 75mm (2.95") of snow.

The month with the shortest days is December, with an average of 5h and 36min of daylight.

December has the least sunshine of the year, with an average of 2.3h of sunshine.

Average temperature
Tretten, Norway

The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (-7.5°C).

The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is January (-13.7°C).

Average pressure
Tretten, Norway

The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.2mbar).

Average wind speed
Tretten, Norway

The windiest month (with the highest average wind speed) is June (10.9km/h).
The calmest months (with the lowest average wind speed) are April and November (8.8km/h).

Average humidity
Tretten, Norway

The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is June (70%).

Average rainfall
Tretten, Norway

The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is January (11mm).

Average rainfall days
Tretten, Norway

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is January (3.5 days).

Average snowfall
Tretten, Norway

The month with the highest snowfall is December (75mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days
Tretten, Norway

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Tretten, Norway

The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).

Average sunshine days
Tretten, Norway

The months with the most sunshine days are January and October (16.8 days).
The month with the least sunshine days is July (8.9 days).

Average UV index
Tretten, Norway

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, October and December (UV index 1).

Average cloud cover
Tretten, Norway

The months with the most cloud cover are January and February (Cloud cover 61).
The month with the least cloud cover is June (Cloud cover 49).

Average visibility
Tretten, Norway

The months with the highest visibility are June and July (9km).
The months with the lowest visibility are January, March, April and November (6km).