Climate averages 1991–2020

Oslo weather
in March.

A cold, moderately wet month: the 8th warmest and the 2nd driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 4.0°C Daytime mean, March
Average low -3.3°C Night-time mean, March
Rainfall 54 mm 8 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Oslo · average highYear overview

March is a cold month in Oslo: daytime highs average 4.0°C and nights cool to about -3.3°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 54 mm of rain on roughly 8 days, which makes March a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 45 min on an average March day.

The nearest other city in this atlas is Lillestrøm (18 km away). In March its highs average 3.6°C, about as warm as Oslo, with 49 mm of rain.

Among the 8 cities listed in Norway, Oslo ranks 6th of 8 for the warmest March highs and 3rd of 8 for the driest March (rainfall, lowest first). The mean March high of those 8 cities is 4.3°C; Oslo is 0.3°C cooler than that mean.

From March to April, average highs rise by 5.8°C to 9.8°C, and monthly rainfall rises from 54 mm to 55 mm.

The annual picture

March in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -10-50510152025 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Oslo climate table

1991–2020
Monthly climate averages for Oslo, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -1.9°C-6.8°C-6.8°C7210.96.87 h
February -0.4°C-6.4°C-6.4°C528.69.19 h
March, selected 4.0°C-3.3°C-3.3°C548.211.812 h
April 9.8°C1.1°C1.1°C559.114.515 h
May 15.7°C6.4°C6.4°C7711.417.117 h
June 19.4°C10.9°C10.9°C9512.318.719 h
July 21.6°C13.9°C13.9°C10012.618.018 h
August 20.2°C13.2°C13.2°C11214.215.616 h
September 15.5°C9.5°C9.5°C8910.812.913 h
October 9.0°C4.6°C4.6°C9411.710.210 h
November 3.8°C0.3°C0.3°C9212.07.68 h
December -0.5°C-4.8°C-4.8°C7111.16.16 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

March in nearby cities

Distance from Oslo

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Oslo) is explained once on the Oslo year overview and on the Sources, method and limits page.