Aarau Weather in January
Aarau in January sees low daytime temperatures of 5°C (41°F) and nighttime lows of -1°C (30°F). Rainfall is fairly high this month at around 96 mm (3.8 in), so pack a rain jacket to stay dry.
Rainfall in Aarau in January
You can typically expect 15 days of snow/rain this month, averaging around 96 mm (3.8 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Aarau in January
Expect highs of 5°C (41°F) in Aarau in January, with nights dropping to around -1°C (30°F). January marks the winter season. It stays very cold throughout much of the day, so warm winter clothing is essential. Nights are well below freezing at -1°C (30°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. During the coldest month of the year, be prepared to bundle up with heavy winter gear.
Sunshine in Aarau in January
The area experiences limited sunny days, amounting to roughly 63 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Aarau. 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 Switzerland, check out our Aarau's climate page.
Aarau Temperature in January
Min Temperature
-1°C (30°F)
Max Temperature
5°C (41°F)
Chance of Rain
50%
Precipitation
96 mm (3.8 in)
Rainy days
15 days
Humidity
81% *
Sunshine
63 hours *
Percentage Sunshine
28% *
Best Places in Switzerland in January
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Aarau in January
Dress warmly and in layers for your trip to Aarau in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Aarau 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 Switzerland, check out our Aarau's climate page.
Temperature Rainfall Sunshine Humidity
See the full Aarau climate overview or explore weather in Switzerland.
