Oslo Weather Forecast
Oslo weather: 58°F, partly cloudy. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Oslo weather in September
Weather map for Oslo
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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Climate in Oslo month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 27° | 17° | 3,3 in | ★★☆☆☆ |
| February | 29° | 19° | 1,9 in | ★★☆☆☆ |
| March | 44° | 31° | 2,4 in | ★★★☆☆ |
| April | 53° | 36° | 2,0 in | ★★★☆☆ |
| May | 63° | 46° | 2,3 in | ★★★★☆ |
| June | 66° | 53° | 4,1 in | ★★★★☆ |
| July | 72° | 57° | 4,9 in | ★★★★☆ |
| August | 67° | 55° | 4,1 in | ★★★★☆ |
| September | 62° | 50° | 4,3 in | ★★★★☆ |
| October | 49° | 40° | 3,0 in | ★★★☆☆ |
| November | 38° | 31° | 2,3 in | ★★☆☆☆ |
| December | 33° | 26° | 2,5 in | ★★☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Best time to visit Oslo
Go in May, June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What to pack, what to skip
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
How Oslo compares with nearby places
Annual averages, and the difference against Oslo.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Bergen | 190 mi | 45°F | about the same | 99 in |
| Stockholm Arlanda Airport | 250 mi | 46°F | +33°F warmer | 25 in |
| Sweden | 259 mi | 46°F | +34°F warmer | 24 in |
| Stockholm | 259 mi | 46°F | +34°F warmer | 24 in |
| Denmark | 300 mi | 50°F | +38°F warmer | 25 in |
See the Oslo forecast by time range
Oslo weather - more answers
Explore Oslo
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Oslo?
Oslo is a city in Norway. Its coordinates are 59.9139, 10.7522. It lies in Europe.
What is the weather like in Oslo right now?
It is currently 58°F (15°C) with partly cloudy. Humidity is 74% and wind is 4 mph.
When is the best time to visit Oslo?
May, June, July and August offer the most comfortable conditions in Oslo, which has a subarctic climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Oslo in?
Oslo observes Europe/Oslo (UTC+02:00). The local time is 1:56 AM.
How many people live in Oslo?
Oslo has a population of approximately 710.000.
What is the nearest airport to Oslo?
The closest airports are Oslo Gardermoen Airport (OSL), 23 mi away, Stockholm Arlanda Airport (ARN), 250 mi away and Copenhagen Airport (CPH), 305 mi away.
What places are in Oslo?
Oslo covers 1 places in this atlas, including Oslo Gardermoen Airport.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 22, 2026 at 1:56 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
