Oslo: Annual Weather Averages
July is the hottest month in Oslo with an average temperature of 64°F (18°C) and the coldest is January at 27°F (-3°C) with the most daily sunshine hours at 8 in June. The wettest month is August with an average of 90mm of rain.
Average Temperature: Oslo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | -3 | -3 | 2 | 5 | 12 | 16 | 18 | 16 | 12 | 7 | 2 | -3 |
| °F | 27 | 27 | 36 | 41 | 54 | 61 | 64 | 61 | 54 | 45 | 36 | 27 |
Average High/Low Temperature: Oslo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 1 | 2 | 6 | 9 | 16 | 20 | 22 | 20 | 16 | 10 | 4 | -1 |
| High °F | 34 | 36 | 43 | 48 | 61 | 68 | 72 | 68 | 61 | 50 | 39 | 30 |
| Low °C | -7 | -7 | -3 | 1 | 7 | 11 | 13 | 12 | 7 | 4 | -1 | -5 |
| Low °F | 19 | 19 | 27 | 34 | 45 | 52 | 55 | 54 | 45 | 39 | 30 | 23 |
Average Rainfall: Oslo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 50 | 40 | 60 | 40 | 50 | 80 | 70 | 90 | 70 | 90 | 70 | 50 |
| Days | 11 | 11 | 11 | 15 | 14 | 16 | 15 | 17 | 14 | 16 | 14 | 11 |
Average Daily Sunshine Hours: Oslo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours | 1 | 3 | 5 | 6 | 7 | 8 | 7 | 6 | 4 | 3 | 1 | 1 |