Oslo, Norway - Detailed climate information and monthly weather forecast

The scenic view of the Vigeland sculpture park in Oslo, Norway, at dusk

January, the same as December, in Oslo, Norway, is another subzero cold winter month, with average temperature ranging between max -1.8°C (28.8°F) and min -6.8°C (19.8°F). January is the coldest month, with an average high-temperature of -1.8°C (28.8°F) and an average low-temperature of -6.8°C (19.8°F). Weather in January »

February, the last month of the winter, in Oslo, is another freezing cold month, with average temperature fluctuating between -0.9°C (30.4°F) and -6.8°C (19.8°F). In Oslo, the average high-temperature is relatively the same as in January - a still freezing cold -0.9°C (30.4°F). Weather in February »

The first month of the spring, March, is a wintry month in Oslo, Norway, with average temperature fluctuating between 3.5°C (38.3°F) and -3.3°C (26.1°F). In March, the average high-temperature slightly increases, from a subzero cold -0.9°C (30.4°F) in February, to a wintry 3.5°C (38.3°F). Weather in March »

April in Oslo, Norway, is a frosty spring month, with temperature in the range of an average high of 9.1°C (48.4°F) and an average low of 0.8°C (33.4°F). In Oslo, the average high-temperature in April rises, from a wintry 3.5°C (38.3°F) in March, to a chilly 9.1°C (48.4°F). Weather in April »

May, the last month of the spring, in Oslo, is a mild month, with average temperature fluctuating between 15.8°C (60.4°F) and 6.5°C (43.7°F). In May, the average high-temperature rises, from a frosty 9.1°C (48.4°F) in April, to a moderate 15.8°C (60.4°F). Weather in May »

June, the first month of the summer, in Oslo, is a pleasant month, with average temperature fluctuating between 20.4°C (68.7°F) and 10.6°C (51.1°F). In Oslo, the average high-temperature slightly increases, from a moderate 15.8°C (60.4°F) in May, to a pleasant 20.4°C (68.7°F). Weather in June »

July, the same as June, in Oslo, Norway, is another pleasant summer month, with average temperature varying between 12.2°C (54°F) and 21.5°C (70.7°F). With an average high-temperature of 21.5°C (70.7°F) and an average low-temperature of 12.2°C (54°F), July is the warmest month. Weather in July »

The last month of the summer, August, is also an agreeable month in Oslo, Norway, with average temperature ranging between min 11.3°C (52.3°F) and max 20.1°C (68.2°F). In Oslo, the average high-temperature in August is practically the same as in July - a still pleasant 20.1°C (68.2°F). Weather in August »

The first month of the autumn, September, is also a moderate month in Oslo, Norway, with average temperature fluctuating between 15.1°C (59.2°F) and 7.5°C (45.5°F). In Oslo, the average high-temperature in September drops, from a pleasant 20.1°C (68.2°F) in August, to a mild 15.1°C (59.2°F). Weather in September »

October, like September, is a frosty autumn month in Oslo, Norway, with average temperature ranging between min 3.8°C (38.8°F) and max 9.3°C (48.7°F). In Oslo, the average high-temperature drops, from a moderate 15.1°C (59.2°F) in September, to a frosty 9.3°C (48.7°F). Weather in October »

November, the last month of the autumn, in Oslo, is another cold month, with average temperature ranging between min -1.5°C (29.3°F) and max 3.2°C (37.8°F). In Oslo, the average high-temperature drops, from a chilly 9.3°C (48.7°F) in October, to a cold 3.2°C (37.8°F). Weather in November »

The first month of the winter, December, is also a subzero cold month in Oslo, Norway, with temperature in the range of an average low of -5.6°C (21.9°F) and an average high of -0.5°C (31.1°F). In December, the average high-temperature slightly decreases, from a wintry 3.2°C (37.8°F) in November, to a freezing cold -0.5°C (31.1°F). Weather in December »

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What is the coldest month in Oslo?

The coldest month in Oslo is January, with an average high-temperature of -1.8°C (28.8°F) and an average low-temperature of -6.8°C (19.8°F).

How much does it rain in Oslo?

Throughout the year, in Oslo, there are 77 rainfall days, and 763mm (30.04") of precipitation is accumulated.

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

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

What is the driest month in Oslo?

The month with the least rainfall is February when the rain falls for 4 days and typically collects 36mm (1.42") of precipitation.

When is the sea coldest in Oslo?

The month with the coldest seawater is March, with an average sea temperature of 3°C (37.4°F).

When are the longest days in Oslo?

June has the longest days of the year in Oslo, Norway, with an average of 18.7h of daylight.

What month has the most sunshine in Oslo?

June has the most sunshine of the year in Oslo, Norway, with an average of 8.3h of sunshine.

What are the months with the highest UV index in Oslo?

June and July, with an average maximum UV index of 5, are months with the highest UV index.

What is the warmest month in Oslo?

The warmest month in Oslo is July, with an average high-temperature of 21.5°C (70.7°F) and an average low-temperature of 12.2°C (54°F).

What month is the sea warmest in Oslo?

The month with the warmest seawater is August, with an average sea temperature of 17.9°C (64.2°F).

What is the rainiest month in Oslo?

September is the month with the most rainfall. Rain falls for 7 days and accumulates 90mm (3.54") of precipitation.

What is the month with the shortest days in Oslo?

With an average of 6.1h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Oslo?

With an average of 1.1h of sunshine, December has the least sunshine of the year in Oslo.

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Long-term

Climate J F M A M J J A S O N D Year

Average high temperature in January:
-1.8°C
Average high temperature in February:
-0.9°C
Average high temperature in March:
3.5°C
Average high temperature in April:
9.1°C
Average high temperature in May:
15.8°C
Average high temperature in June:
20.4°C

Average high temperature in July:
21.5°C
Average high temperature in August:
20.1°C
Average high temperature in September:
15.1°C
Average high temperature in October:
9.3°C
Average high temperature in November:
3.2°C
Average high temperature in December:
-0.5°C

The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (-1.8°C).

Average low temperature in January:
-6.8°C
Average low temperature in February:
-6.8°C
Average low temperature in March:
-3.3°C
Average low temperature in April:
0.8°C
Average low temperature in May:
6.5°C
Average low temperature in June:
10.6°C

Average low temperature in July:
12.2°C
Average low temperature in August:
11.3°C
Average low temperature in September:
7.5°C
Average low temperature in October:
3.8°C
Average low temperature in November:
-1.5°C
Average low temperature in December:
-5.6°C

The month with the highest average low temperature is July (12.2°C).
The coldest months (with the lowest average low temperature) are January and February (-6.8°C).

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The wettest month (with the highest rainfall) is September (90mm).
The driest month (with the least rainfall) is February (36mm).

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Average rainfall days in January:
6 days
Average rainfall days in February:
4 days
Average rainfall days in March:
6 days
Average rainfall days in April:
5 days
Average rainfall days in May:
5 days
Average rainfall days in June:
7 days

Average rainfall days in July:
7 days
Average rainfall days in August:
8 days
Average rainfall days in September:
7 days
Average rainfall days in October:
8 days
Average rainfall days in November:
8 days
Average rainfall days in December:
6 days

Months with the highest number of rainy days are August, October and November (8 days).
The month with the least rainy days is February (4 days).

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Average sea temperature in January:
4.2°C
Average sea temperature in February:
3.6°C
Average sea temperature in March:
3°C
Average sea temperature in April:
6.3°C
Average sea temperature in May:
10.7°C
Average sea temperature in June:
14.8°C

Average sea temperature in July:
17.3°C
Average sea temperature in August:
17.9°C
Average sea temperature in September:
15.4°C
Average sea temperature in October:
11.8°C
Average sea temperature in November:
8.9°C
Average sea temperature in December:
6.3°C

The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest month (with the lowest average sea temperature) is March (3°C).

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Average daylight / Average sunshine - Oslo, Norway

The month with the longest days is June (Average daylight: 18.7h).
The month with the shortest days is December (Average daylight: 6.1h).

The month with the most sunshine is June (Average sunshine: 8.3h).
The month with the least sunshine is December (Average sunshine: 1.1h).

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Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, November and December (UV index 0).

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Monthly weather forecast and climate
Oslo, Norway

Contents

Weather in January

Weather in February

Weather in March

Weather in April

Weather in May

Weather in June

Weather in July

Weather in August

Weather in September

Weather in October

Weather in November

Weather in December