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.

- Average temp
- -2°C (28°F)
-5–0°C · 24–32°F
- Rainfall
- 58 mm
Showers likely
- Sunshine
- 1.6 h
hours per day
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.

Travel guides for Oslo
What to read before you book.

Oslo weather by month
TemperatureRainfall
How January compares with the rest of the year
January is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | -2°C / 28°F | 58 mm |
| February | -2°C / 29°F | 46 mm |
| March | 2°C / 35°F | 40 mm |
| April | 7°C / 44°F | 48 mm |
| May | 12°C / 53°F | 60 mm |
| June | 16°C / 60°F | 80 mm |
| July | 18°C / 64°F | 86 mm |
| August | 17°C / 62°F | 104 mm |
| September | 13°C / 55°F | 81 mm |
| October | 7°C / 44°F | 94 mm |
| November | 2°C / 36°F | 84 mm |
| December | -1°C / 29°F | 54 mm |
Check another month
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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.
