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
- Frequently asked questions
- Average temperature
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
The Vigeland sculpture park in Oslo, Norway, at dusk
Weather in January
January, the same as December, in Oslo, Norway, is another subzero cold winter month, with an average temperature varying between -1.8°C (28.8°F) and -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 »
Weather in February
The last month of the winter, February, is another freezing cold month in Oslo, Norway, with an average temperature fluctuating between -6.8°C (19.8°F) and -0.9°C (30.4°F). In February, the average high-temperature is almost the same as in January - a still freezing cold -0.9°C (30.4°F). Weather in February »
Weather in March
March, the first month of the spring in Oslo, is a wintry month, with an average temperature varying between -3.3°C (26.1°F) and 3.5°C (38.3°F). In Oslo, the average high-temperature in March slightly increases from a freezing cold -0.9°C (30.4°F) in February to a cold 3.5°C (38.3°F). Weather in March »
Weather in April
April in Oslo, Norway, is a frosty spring month, with an average temperature ranging between min 0.8°C (33.4°F) and max 9.1°C (48.4°F). In April, the average high-temperature rises from a wintry 3.5°C (38.3°F) in March to a chilly 9.1°C (48.4°F). Weather in April »
Weather in May
May, the last month of the spring in Oslo, is a moderate month, with an average temperature fluctuating between 15.8°C (60.4°F) and 6.5°C (43.7°F). In Oslo, the average high-temperature in May increases from a chilly 9.1°C (48.4°F) in April to a mild 15.8°C (60.4°F). Weather in May »
Weather in June
June, the first month of the summer in Oslo, is a pleasant month, with an average temperature fluctuating between 10.6°C (51.1°F) and 20.4°C (68.7°F). In June, the average high-temperature slightly increases from a mild 15.8°C (60.4°F) in May to an agreeable 20.4°C (68.7°F). Weather in June »
Weather in July
July, like June, is another pleasant summer month in Oslo, Norway, with an average temperature fluctuating between 21.5°C (70.7°F) and 12.2°C (54°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 »
Weather in August
The last month of the summer, August, is also an agreeable month in Oslo, Norway, with an 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 almost the same as in July - a still pleasant 20.1°C (68.2°F). Weather in August »
Weather in September
The first month of the autumn, September, is still a mild month in Oslo, Norway, with an average temperature fluctuating between 7.5°C (45.5°F) and 15.1°C (59.2°F). In September, the average high-temperature decreases from a pleasant 20.1°C (68.2°F) in August to a moderate 15.1°C (59.2°F). Weather in September »
Weather in October
October, the same as September, in Oslo, Norway, is a frosty autumn month, with an average temperature fluctuating between 9.3°C (48.7°F) and 3.8°C (38.8°F). In October, the average high-temperature decreases from a mild 15.1°C (59.2°F) in September to a chilly 9.3°C (48.7°F). Weather in October »
Weather in November
The last month of the autumn, November, is another cold month in Oslo, Norway, with an average temperature varying between -1.5°C (29.3°F) and 3.2°C (37.8°F). In Oslo, the average high-temperature in November decreases from a chilly 9.3°C (48.7°F) in October to a wintry 3.2°C (37.8°F). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Oslo, Norway, with an average temperature varying between -0.5°C (31.1°F) and -5.6°C (21.9°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 »
[Resources]FAQ
What is the coldest month in Oslo?
January is the coldest month in Oslo, Norway, 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 many days does it rain in Oslo?
Throughout the year, there are 77 rainfall days, and 763mm (30.04") of precipitation is accumulated.
When is the lowest UV index in Oslo?
The months with the lowest UV index 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 in Oslo is February, when the rain falls for 4 days and typically collects 36mm (1.42") of precipitation.
What month is the sea coldest in Oslo?
With an average sea temperature of 3°C (37.4°F), March is the month with the coldest seawater in Oslo.
When is Daylight Saving Time (DST) in Oslo?
On Sunday, 26. March 2023, at 02:00, Daylight Saving Time starts, and the time zone changes from CET to CEST. Daylight Saving Time ends on Sunday, 29. October 2023, at 03:00, and the time zone reverts from CEST to CET.
When are the longest days in Oslo?
With an average of 18h and 41min of daylight, June has the longest days of the year in Oslo, Norway.
What month has the most sunshine in Oslo?
With an average of 8.3h of sunshine, June has the most sunshine of the year in Oslo.
When is the highest UV index in Oslo?
June and July, with an average maximum UV index of 5, are months with the highest UV index in Oslo, Norway.
What is the warmest month in Oslo?
July is the warmest month in Oslo, 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 in Oslo 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 in Oslo, Norway. Rain falls for 7 days and accumulates 90mm (3.54") of precipitation.
What is the month with the shortest days in Oslo?
December has the shortest days of the year, with an average of 6h and 4min of daylight.
What is the month with the least sunshine in Oslo?
December has the least sunshine of the year, with an average of 1.1h of sunshine.
Average temperature
Oslo, Norway
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).
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).
Average rainfall
Oslo, Norway
The wettest month (with the highest rainfall) is September (90mm).
The driest month (with the least rainfall) is February (36mm).
Average rainfall days
Oslo, Norway
- 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
The 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).
Average sea temperature
Oslo, Norway
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).
Average daylight / Average sunshine
Oslo, Norway
- Average daylight in January:
6h and 53min - Average daylight in February:
9h and 11min - Average daylight in March:
11h and 51min - Average daylight in April:
14h and 37min - Average daylight in May:
17h and 10min - Average daylight in June:
18h and 41min
- Average daylight in July:
17h and 55min - Average daylight in August:
15h and 33min - Average daylight in September:
12h and 52min - Average daylight in October:
10h and 8min - Average daylight in November:
7h and 34min - Average daylight in December:
6h and 4min
The month with the longest days is June (Average daylight: 18h and 41min).
The month with the shortest days is December (Average daylight: 6h and 4min).
- Average sunshine in January:
1h and 18min - Average sunshine in February:
2h and 42min - Average sunshine in March:
4h and 6min - Average sunshine in April:
5h and 54min - Average sunshine in May:
7h and 6min - Average sunshine in June:
8h and 18min
- Average sunshine in July:
7h and 54min - Average sunshine in August:
7h and 0min - Average sunshine in September:
4h and 48min - Average sunshine in October:
2h and 48min - Average sunshine in November:
1h and 42min - Average sunshine in December:
1h and 6min
The month with the most sunshine is June (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average UV index
Oslo, Norway
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 0).
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