Oulu Weather in January
In Oulu, January brings very low daytime temperatures around -4°C (25°F), with nights cooling to -11°C (12°F). Some snowfall is to be expected.
Rainfall in Oulu in January
Historically, January sees about 18 days of snow, with a monthly average of 42 mm (1.7 in). Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Oulu in January
In January, Oulu gets very low temperatures, with highs of -4°C (25°F). Nights cool to around -11°C (12°F). January is part of the winter season. Expect a distinctly cold feel throughout the day, not just overnight. Nights drop below freezing to -11°C (12°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. Known for its cold temperatures, this month requires warm clothing. Ensure you dress appropriately to stay comfortable.
Sunshine in Oulu in January
The month is characterized by fewer sunny days, with roughly 23 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.
Wind Speed in Oulu in January
January sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.
Average water temperature in January
The water temperature is only -1°C (30°F) this month — cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Oulu. 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 Finland, check out our Oulu's climate page.
Oulu Temperature in January
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Oulu typically stay consistent throughout January, with daily highs averaging around -4°C (25°F). Nights are very cold, with lows typically ranging from -16°C (3°F) to -10°C (14°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 Oulu in January
Browse day-by-day weather records for Oulu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Oulu historical weather extremes in January
Based on 49 years of weather observations in Oulu between 1976 and 2025, these are the recorded extremes.
- On January 11, 2002, temperatures climbed to 7°C (45°F), marking the warmest January day on record.
Best Places in Finland in January
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in January →
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What to Wear in Oulu in January
We recommend you pack up your warm winter gear for Oulu in January. If you have insulated boots, thermal layers, and a heavy winter coat that can handle snow and freezing temperatures it's smart to bring them. Don't forget gloves, a warm hat, and a scarf. Rain is likely on several days, so bring a good rain jacket. The water temperature sits at about -1°C (30°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Oulu 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 Finland, check out our Oulu's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Oulu climate overview or explore weather in Finland.