Oslo Climate by Month
Oslo, Norway
Mild summers and freezing winters, with rain spread through the year.
The climate in Oslo is one of mild summers and freezing winters, with rain spread through the year. Expect highs of 73°F (23°C) in July and 35°F (2°C) in January, with the coldest nights (February) near 25°F (-4°C). About 30 in (757 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 73°F(23°C)
- Average high, July
- Coldest nights
- 25°F(-4°C)
- Average low, February
- Rain per year
- 30 in(757 mm)
- No clear rainy season
- Humidity
- 77%
- Sunniest: June
Best and worst months in Oslo
Best for weatherThe most comfortable weather comes in July, with highs around 73°F (23°C) and about 3.1 in (79 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 36°F (2°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Oslo weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 35°F(2°C) | 26°F(-3°C) | 1.9 in(49 mm) | 87% | 0.3 |
| FebFebruary | 36°F(2°C) | 25°F(-4°C) | 1.5 in(37 mm) | 87% | 0.9 |
| MarMarch | 42°F(6°C) | 29°F(-2°C) | 1.6 in(41 mm) | 71% | 2.3 |
| AprApril | 53°F(11°C) | 37°F(3°C) | 1.6 in(40 mm) | 60% | 3.6 |
| MayMay | 62°F(17°C) | 45°F(7°C) | 2.0 in(51 mm) | 64% | 5.2 |
| JunJune | 69°F(21°C) | 52°F(11°C) | 2.9 in(73 mm) | 61% | 5.3 |
| JulJulyBest | 73°F(23°C) | 56°F(13°C) | 3.1 in(79 mm) | 67% | 4.9 |
| AugAugust | 71°F(21°C) | 54°F(12°C) | 3.5 in(90 mm) | 73% | 4.0 |
| SepSeptember | 61°F(16°C) | 47°F(9°C) | 3.1 in(78 mm) | 76% | 2.5 |
| OctOctober | 50°F(10°C) | 40°F(4°C) | 3.2 in(81 mm) | 80% | 1.2 |
| NovNovember | 41°F(5°C) | 33°F(1°C) | 3.2 in(82 mm) | 93% | 0.4 |
| DecDecember | 36°F(2°C) | 28°F(-2°C) | 2.2 in(56 mm) | 99% | 0.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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