Best Time to Visit Oslo
Oslo is best visited January to November, when conditions are at their most settled.
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Average daily high and low temperatures (°C/°F). Bars show the daily range each month.
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| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January Best | 0.9°C | -3.6°C | 66.7mm | 3.0h | 9 | 8/10 |
| February Best | 2.3°C | -3.7°C | 55.3mm | 5.6h | 10 | 8/10 |
| March Best | 5.2°C | -2.9°C | 47.4mm | 8.2h | 6 | 10/10 |
| April Best | 10.1°C | 0.9°C | 47.4mm | 10.4h | 6 | 10/10 |
| May Best | 15.0°C | 5.5°C | 64.0mm | 12.0h | 11 | 10/10 |
| June Best | 22.1°C | 12.5°C | 79.8mm | 13.4h | 9 | 10/10 |
| July Best | 20.3°C | 12.8°C | 131.1mm | 12.2h | 14 | 9/10 |
| August Best | 20.3°C | 12.5°C | 83.3mm | 10.7h | 10 | 10/10 |
| September Best | 16.4°C | 9.6°C | 80.0mm | 7.7h | 9 | 10/10 |
| October Best | 9.9°C | 5.1°C | 104.5mm | 4.8h | 13 | 9/10 |
| November Best | 4.5°C | 0.8°C | 77.2mm | 2.1h | 13 | 8/10 |
| December | -1.0°C | -5.1°C | 83.9mm | 1.6h | 14 | 6/10 |
Oslo Climate
Oslo has a continental climate — hot summers, cold winters and moderate rainfall. Check the annual climate overview for Oslo for the full year picture.
Counting down to your trip? Use our holiday countdown timer at LeftToTime to track the days. Owners often keep a Oslo travel guide to hand for planning on the go. Check clothing sizes in Norway at 247Sizing before you shop.
Frequently Asked Questions
What is the best month to visit Oslo?
The best month to visit Oslo is January, when temperatures average 0.9°C and conditions score 8/10 for comfort.
What is the weather like in Oslo in January?
In January, Oslo sees average highs of 0.9°C (33.6°F) and lows of -3.6°C. Conditions are very cold and moderately rainy (9 rainy days), with roughly 3.0 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal.
When is rainy season in Oslo?
Oslo does not have a distinct rainy season — rainfall is spread relatively evenly through the year.
Is Oslo good to visit in winter?
Yes — winter (December, January, February) averages 0.9°C highs with a 8/10 comfort rating, making it a solid time to visit.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.