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Oslo weather

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EuropeanECMWF
1°
Partly cloudy
Feels -2° · Wind 1 mph · Humidity 97%
AmericanNOAA GFS
3°
Clear
Feels 1° · Wind 1 mph · Humidity 81%
GermanDWD ICON
3°
Partly cloudy
Feels 1° · Wind 0 mph · Humidity 83%

Latest for Oslo: European (ECMWF): 1° Partly cloudy · American (NOAA GFS): 3° Clear · German (DWD ICON): 3° Partly cloudy.

The weather map: all three models at once

European, American, German side by side around Oslo and nearby towns.Live rain radar →
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Hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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10-day forecast, out to 14 days

where the models agree, and where they split

Heading to Oslo? Oslo, Norway, sits at 59.9°N in a cool, high-latitude climate zone. Before you lock in outdoor plans, compare how the three global models - European (ECMWF), American (GFS) and German (ICON) - forecast Oslo right now. Where they agree you can trust it; the days they split are exactly when a single weather app is least reliable. For a city break, the rain hours below tell you which days to plan indoors.

Best time to visit Oslo

The most comfortable time to visit Oslo is usually May, June, July and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest August rain is behind you.

Oslo weather by month

what to expect in Oslo through the year, 1991-2020 normals, Oslo Blindern (WMO)

Here is Oslo's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Oslo by season.

Jan
0°
-5°
Cold
Feb
1°
-5°
Cold
Mar
5°
-2°
Cold
Apr
11°
2°
Cool
May
17°
7°
Mild
Jun
20°
11°
Mild
Jul
23°
13°
Warm
Aug
21°
12°
Mild
Wettest
Sep
16°
9°
Mild
Oct
10°
4°
Cool
Nov
4°
0°
Cold
Dec
1°
-4°
Cold

Oslo compared with London

30-year averages: daytime highs month by month, rain and sunlight

Cooler through the year

−5°C

average daytime high: Oslo 11°C, London 16°C

Rain over a year

+36%

Oslo 836 mm, London 615 mm

Sunlight vs a clear sky

63% vs 63%

solar energy reaching the ground as a share of a cloudless day, averaged over the year (not sunshine hours)

OsloLondonaverage daytime high, °C, 1991-2020
January, London: 9°CJanuary, Oslo: 0°C (−9°C)February, London: 9°CFebruary, Oslo: 1°C (−8°C)March, London: 12°CMarch, Oslo: 5°C (−7°C)April, London: 15°CApril, Oslo: 11°C (−4°C)May, London: 18°CMay, Oslo: 17°C (−1°C)June, London: 21°CJune, Oslo: 20°C (−1°C)July, London: 24°CJuly, Oslo: 23°C (−1°C)August, London: 23°CAugust, Oslo: 21°C (−2°C)September, London: 20°CSeptember, Oslo: 16°C (−4°C)October, London: 16°COctober, Oslo: 10°C (−6°C)November, London: 12°CNovember, Oslo: 4°C (−8°C)December, London: 9°CDecember, Oslo: 1°C (−8°C)

On 30-year averages Oslo runs 5°C cooler than London, with every month between −9°C and −1°C. Over a year it gets 36% more rain than London.

Month by month in numbers
MonthOsloLondonDifferenceSunlight, OsloSunlight, London
January0°C9°C−9°C51%58%
February1°C9°C−8°C55%59%
March5°C12°C−7°C67%63%
April11°C15°C−4°C69%67%
May17°C18°C−1°C70%65%
June20°C21°C−1°C72%66%
July23°C24°C−1°C70%67%
August21°C23°C−2°C69%66%
September16°C20°C−4°C68%68%
October10°C16°C−6°C60%62%
November4°C12°C−8°C54%59%
December1°C9°C−8°C55%58%

Daytime highs and lows on this page are 1991-2020 averages. Oslo: station normals from Oslo Blindern (WMO), rain included. London: station normals from London (WMO), rain included. Sunlight vs a clear sky is NASA POWER's long-term average of the solar energy reaching the ground as a share of a cloudless day; it compares cloudiness and is not a count of sunshine hours. London stands in for the UK here; other cities have their own climate tables.

Common questions

When is the best time to visit Oslo?
The most comfortable time to visit Oslo is usually May, June, July and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest August rain is behind you.
Will it rain in Oslo during my trip?
Rain is where forecasts disagree most. Instead of trusting one app, the comparison above lines up the European, American and German models for Oslo - check your dates and look for the days they agree; those are the ones you can plan around.
Which forecast is most accurate for Oslo?
For destinations abroad we compare three open global models (ECMWF, GFS and ICON) and show you where they disagree, so you can judge the confidence yourself.
How much warmer is Oslo than London?
On 30-year averages (1991-2020) the daytime high in Oslo is about 5°C cooler than in London (11°C against 16°C), with the monthly gap between -9°C and -1°C.

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