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Vaasa in January: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Vaasa in January will be like? Take a look at our weather guide for Vaasa, based on historical data.
Check flight prices to Vaasa on Avionero:
January

Weather in Vaasa in January 2025

OK Weather
Cold
☁️
Cloudy
🌊
Cold water
If you plan to visit Vaasa in January, the weather is typically alright, with an average high temperature of -3°C during the day and approximately 2 sunny days. Expect some snowy, though, as there are typically 13 snowy days in the month and around 33 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • January is usually the coldest month of the year in Vaasa;

Average weather

☀️
-3°C
Avg. max. temperature
-36°C
Min.
+8°C
Max.
6 mm
Total precipitation
87%
Avg. humidity
3 m/s
Avg. wind
2 ☀️
Sunny Days
14 ⛅️
Cloudy
1 🌦
Rainy
Our opinion: Vaasa has OK weather in January.

Average temperature in {destination} in {month}

Here are the expected maximum, average and minimum temperatures in {destination} for {month} based on the historical data.
Last Year
Historical Data

The average maximum temperature goes {direction} {percent}% by the end of the month, compared with the beginning of the month, from {startTemperature} to {endTemperature}.

Is Vaasa warm or cold in January?

Vaasa is typically cold in January.

Maximum temperatures go down compared to the previous month from -1°C to -3°C. The minimum temperature also goes down from -6°C to -8°C.

Wear your winter warms as it will be cold. To save space, layer, and don’t forget gloves and a scarf.

January is the coldest month in Vaasa, here is the comparison with other months:

Water temperature in Vaasa in January

Water in Vaasa in January is Cold. It varies from -2°C to +2°C, with an average of 0°C. Note that the air temperature is lower than the water temperature, averaging around -3°C.

The water temperature in January is one of the coldest of the entire year:

The warmest water temperatures in Vaasa are reached in August, when the average sea temperature rises to +17°C. The coldest water temperatures are in February, with an average of 0°C.

Can you swim in Vaasa in January?

We would not recommend swimming in Vaasa in January, the water is very cold (0°C on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +16°C
🏄‍♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.

Climate in Vaasa in January

Vaasa weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
-1°C-3°C-3°C
Min. temperature
-25°C-36°C-34°C
Max. temperature
+8°C+8°C+8°C
Rainfall
19 mm6 mm10 mm
Wind
3 m/s3 m/s3 m/s
Avg. water temperature
+2°C0°C0°C
Humidity
88%87%86%
Air pressure
1006 HPa1007 HPa1010 HPa
Sunny days
223
Cloudy days
131413
Rainy days
311
Snowy days
121311

January often has better weather than December. It’s getting colder in January. From -1°C in the day, the average maximum temperature lowers to -3°C. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 19 mm to 6 mm. It feels drier, as humidity decreases from 88% to 87%. The average wind speed doesn’t change much during January, staying around 3 m/s. The amount of sunny days stay about the same, averaging 2 sunny days during the month.

February brings much the same weather, it remains ok.

Wind

Wind speed in Vaasa in January based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Vaasa is gradually decreasing during January, going from 6 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in Vaasa based on historical data.
Last Year
Historical Data
Typically, there is a 13% chance of rain on an average day in January, with total rainfall of approximately 7 mm. The maximum amount of rainfall per day is around 3 mm, which is considered light rain. Vaasa is amazing in January with as little as 4 rainy days on average, so plan adventures in the great outdoors.
Here’s how January is compared with other months in the amount of precipitation, total mm:
Vaasa wettest month is August, where a typical day has a 55% chance of precipitation and 82 mm of rainfall per day. January, on the other hand, is the driest month with a mere 3% chance of precipitation and 6 mm of rainfall per day.

Snow

Amount of snow in mm during January in Vaasa based on historical data.
Last Year
Historical Data
Typically, there is a 13% chance of snow on an average day in January, with a total monthly snowfall of approximately 54 mm.

January is one of the snowiest months in Vaasa.

Here’s how January is compared with other months in the amount of snow, total mm:

How was the weather last January in Vaasa?

This is the weather in Vaasa in January 2023:
1 January
☀️
+3°C
2 January
☀️
-1°C
3 January
🌨️
-2°C
4 January
☀️
-3°C
5 January
☁️
-7°C
6 January
☁️
-9°C
7 January
☁️
-7°C
8 January
🌨️
-4°C
9 January
🌨️
-4°C
10 January
🌨️
-4°C
11 January
☁️
+4°C
12 January
☁️
+4°C
13 January
☁️
+3°C
14 January
☁️
+1°C
15 January
🌧️
+3°C
16 January
☁️
+3°C
17 January
☁️
+1°C
18 January
☁️
+2°C
19 January
☁️
0°C
20 January
☁️
0°C
21 January
☁️
0°C
22 January
☁️
-1°C
23 January
☁️
0°C
24 January
☀️
+2°C
25 January
☀️
+8°C
26 January
☀️
+2°C
27 January
☀️
0°C
28 January
☁️
+1°C
29 January
☀️
+1°C
30 January
☁️
+2°C
31 January
☀️
-2°C
In January 2023 Vaasa had 9 sunny days, 17 cloudy days, and 1 rainy days. The average maximum temperature was 0°C, with an absolute maximum of +8°C and a minimum of -9°C. The average humidity was 88%, with a maximum of 100% and a minimum of 66%. The average wind speed was 4 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in January?

Climate Change over Years

This is how Vaasa climate have been changing during last 43 years period.

The climate in Vaasa in January has not changed much over the last 43 years.

The average temperature was the lowest in 1985 (+4°C) and the highest in 2020 (+10°C). The driest year was 2002 with only 260 mm of rainfall, and the wettest year was 2019 with 2226 mm.

FAQ

Frequently asked questions about the weather in Vaasa in January:

Is January a good time to visit Vaasa?

It’s always a good time to visit Vaasa, but the weather is changeable in January, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Vaasa in January?

Not really, January is not the best time to sunbathe, unless you visit a local solarium.

Can you swim in Vaasa in January?

Swimming in Vaasa in January is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.

Is Vaasa rainy in January?

Vaasa is usually dry in January. Plan your packing around outdoor activities and exploring.

Is it sunny in Vaasa in January?

Usually, it’s not very sunny in Vaasa in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Finland

Check out the weather for other cities in Finland.

Monthly weather in Vaasa

Source of the data

For this page, we’ve looked at the typical weather in Vaasa, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.