Oslo Weather in January
Thinking of visiting Oslo in January? Expect very low temperatures reaching -1°C (30°F) during the day, dropping to -7°C (19°F) at night, and note that quite a bit of snowfall is likely.
Rainfall in Oslo in January
Based on our climate data of the past 30 years, about 17 days of snow are anticipated, with 71 mm (2.8 in) on average. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Oslo in January
January in Oslo brings very low temperatures, with highs of -1°C (30°F) and nights around -7°C (19°F). January is known for being in the winter season. Expect a distinctly cold feel throughout the day, not just overnight. Nights drop below freezing to -7°C (19°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. It is the coldest month of the year, so be sure to pack proper winter clothing for the conditions.Pack accordingly with warm clothes.
Sunshine in Oslo in January
This month sees fewer sunny days, with about 45 hours of sunshine, perfect for those who enjoy cooler temperatures.
Wind Speed in Oslo in January
January sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.
Average water temperature in January
With water temperatures around 4°C (39°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Oslo. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Norway, check out our Oslo's climate page.
Oslo Temperature in January
Min Temperature
-7°C (19°F)
Max Temperature
-1°C (30°F)
Water Temperature
4°C (39°F)
Chance of Rain
56%
Precipitation
71 mm (2.8 in)
Rainy days
17 days
Humidity
84%
Windspeed
2 m/s (4 knots)
Sunshine
45 hours
Percentage Sunshine
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Oslo typically stay consistent throughout January, with daily highs averaging around -1°C (30°F). Nights are very cold, with lows typically ranging from -10°C (14°F) to -7°C (19°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Oslo in January
Browse day-by-day weather records for Oslo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Oslo historical weather extremes in January
According to our 49 years of weather records for Oslo, the following extremes were recorded between 1976 and 2025.
- Oslo recorded its highest January temperature of 11°C (52°F) on January 13, 2022.
Best Places in Norway in January
Find out more about the weather in Norway and which places have the best travel conditions in this month. See all of Norway in January →
perfect weather
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tolerable
unpleasant
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What to Wear in Oslo in January
Winter clothing is essential for visiting Oslo in January. If you have a heavy coat, waterproof boots with good traction, and plenty of warm layers it's smart to bring them. Pack cloths like thermal underwear, wool socks, and insulated gloves. Rain gear is recommended, you can expect wet weather on multiple days. The water temperature sits at about 4°C (39°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Oslo in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Norway, check out our Oslo's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Oslo climate overview or explore weather in Norway.
