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Oslo weather in January

Oslo in January averages -2°C (28°F), 58 mm of rain and 1.6 hours of sun a day.

Of the twelve months in Oslo, January is the coldest, the fifth driest and the second dullest.

Oslo
Average temp
-2°C (28°F)

-5–0°C · 24–32°F

Rainfall
58 mm

Showers likely

Sunshine
1.6 h

hours per day

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What is Oslo like in January?

Daytime

Days are cool.

Rain

Some rain is likely; pack for showers.

Evening

Evenings are cooler. A layer helps after sunset.

What should I pack for Oslo in January?

  • A light rain jacket

    About 58 mm falls this month — showers rather than washouts.

  • A warm mid-layer

    Nights drop to around -5°C (24°F).

January compared with December and February

January in Oslo is 0.9°C cooler than December and about as wet as it, which averages -1°C (29°F).

January in Oslo is 0.5°C cooler than February and 11 mm wetter than it, which averages -2°C (29°F).

Daylight in Oslo in January

On 15 January the sun is up for 6 hours 43 minutes in Oslo, rising about 09:04 and setting about 15:48 local time.

January ends 1 hour 50 minutes longer than it begins, so the last week of the month is a different length of day from the first.

That is 12 hours 4 minutes short of June, the longest-lit month here.

Where to stay in Oslo

Dates are a starting point for January.

All hotels in Oslo

Travel guides for Oslo

What to read before you book.

All travel guides in Oslo

Oslo weather by month

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 17 Oct 2026376 places covered

How January compares with the rest of the year

January is highlighted. Every other month links to its own page.

Oslo weather by month: average temperature, rainfall, sunshine for each month, from 1991–2020 climate normals
MonthAverageRainfall
January-2°C / 28°F58 mm
February-2°C / 29°F46 mm
March2°C / 35°F40 mm
April7°C / 44°F48 mm
May12°C / 53°F60 mm
June16°C / 60°F80 mm
July18°C / 64°F86 mm
August17°C / 62°F104 mm
September13°C / 55°F81 mm
October7°C / 44°F94 mm
November2°C / 36°F84 mm
December-1°C / 29°F54 mm

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FAQs about Oslo in January

January climate averages for Oslo, 1991–2020.

Oslo averages -2°C (28°F) in January, ranging from about -5°C (24°F) at night to 0°C (32°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.

Some. About 58 mm falls across January, enough to need a light jacket but not enough to reshape a trip.

They are about the same. January averages -2°C (28°F) and February -2°C (29°F), so temperature alone will not decide between them.

January is 0.9°C cooler than December, and about as wet.

It is outside the easiest window. The most comfortable stretch here is April to September; January sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.

About 1.6 hours of sun a day on the 1991–2020 average, so daylight is short on useful sun.

This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what January is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.

About 6 hours 43 minutes of daylight in mid-January, against 18 hours 47 minutes in June and 5 hours 57 minutes in December.

On 15 January, sunrise is about 09:04 and sunset about 15:48 local time. Both shift across the month — the month ends 1 hour 50 minutes longer than it starts.