Weather for Vaasa in May is typically good with an average maximum temperature of +54°F during the day, and approximately 8 sunny days monthly. Typically, there are about 13 rainy days with the total average precipitation that falls in May around 48 mm. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Good to know:
May is usually the driest month of the year in Vaasa
Average weather
☀️
+54°F
Avg. max. temperature
+23°F
Min.
+82°F
Max.
48 mm
Total precipitation
68%
Avg. humidity
3 m/s
Avg. wind
8 ☀️
Sunny Days
9 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Vaasa has good weather in May.
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Average temperature in Vaasa in May
Here are the expected maximum, average and minimum temperatures in Vaasa for May based on the historical data.
Last Year
Historical Data
The expected average maximum temperature in May is +55°F with a maximum of +66°F and a minimum of +28°F.
The average maximum temperature goes up 33% by the end of the month, compared with the beginning of the month, from +45°F to +57°F.
Is Vaasa warm or cold in May?
Vaasa is typically mild in May.
Maximum temperatures go up compared to the previous month from +43°F to +54°F. The minimum temperature also goes up from +30°F to +39°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Vaasa:
Water temperature in Vaasa in May
Water in Vaasa in May is Cold. It varies from +31°F to +47°F, with an average of +39°F.The air temperature averaging +54°F is higher than the water temperature.
In May, water temperatures are average relative to the rest of the year:
The warmest water temperatures in Vaasa are reached in August, when the average sea temperature rises to +62°F. The coldest water temperatures are in February, with an average of +31°F.
Can you swim in Vaasa in May?
We would not recommend swimming in Vaasa in May, the water is very cold (+39°F on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°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 May
Vaasa weather looks like this, on average, in May and the surrounding months.
April
May
June
Avg. temperature
+43°F
+54°F
+63°F
Min. temperature
+5°F
+23°F
+32°F
Max. temperature
+70°F
+82°F
+88°F
Rainfall
23 mm
48 mm
62 mm
Wind
3 m/s
3 m/s
3 m/s
Avg. water temperature
+33°F
+39°F
+51°F
Humidity
74%
68%
70%
Air pressure
1012 HPa
1013 HPa
1010 HPa
Sunny days
7
8
7
Cloudy days
11
9
8
Rainy days
6
13
14
Snowy days
6
1
0
May often has better weather than April.It’s getting warmer as May arrives. The average maximum temperature goes up from +43°F to +54°F during the day.Prepare for more rain. Average rainfall goes from 23 mm to 48 mm.It feels drier, as humidity decreases from 74% to 68%.The average wind speed doesn’t change much during May, staying around 3 m/s.The good news is there are likely to be more sunny days in May, from 7 to 8.
June brings much the same weather, it remains good.
Wind speed in Vaasa in May based on historical data.
Last Year
Historical Data
The average wind speed is 4 m/s getting up to 6 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 increasing during May, going from 4 m/s to 6 m/s over the course of the month.
Rain
Amount of rainfall in mm during May in Vaasa based on historical data.
Last Year
Historical Data
Total precipitation in May is about 42 mm, with a 35% chance of rain on a typical day. The maximum amount of rainfall per day is around 11 mm, which is considered light rain.May is a pretty wet month with over 11 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May 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.
How was the weather last May in Vaasa?
This is the weather in Vaasa in May 2023:
1 May
☀️
+45°F
2 May
☀️
+42°F
3 May
☀️
+37°F
4 May
☀️
+36°F
5 May
☀️
+42°F
6 May
☀️
+47°F
7 May
☀️
+50°F
8 May
☀️
+56°F
9 May
☀️
+58°F
10 May
☀️
+59°F
11 May
☀️
+60°F
12 May
☀️
+61°F
13 May
☀️
+63°F
14 May
☀️
+67°F
15 May
☀️
+66°F
16 May
🌧️
+67°F
17 May
🌧️
+54°F
18 May
☀️
+51°F
19 May
☀️
+61°F
20 May
☀️
+64°F
21 May
☀️
+65°F
22 May
☀️
+66°F
23 May
☀️
+63°F
24 May
☀️
+66°F
25 May
☀️
+55°F
26 May
☀️
+53°F
27 May
☀️
+54°F
28 May
☀️
+54°F
29 May
☀️
+52°F
30 May
☀️
+55°F
31 May
☀️
+57°F
In May 2023 Vaasa had 29 sunny days, 0 cloudy days, and 2 rainy days. The average maximum temperature was +55°F, with an absolute maximum of +66°F and a minimum of +36°F. The average humidity was 67%, with a maximum of 100% and a minimum of 39%. The average wind speed was 4 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in May?
Climate Change Over the Years
This is how Vaasa climate has changed over the last 43 years.
The climate in Vaasa in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1985 (+40°F) and the highest in 2020 (+49°F). 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 May:
Is May a good time to visit Vaasa?
May is a really good time to go to Vaasa. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Vaasa.
Can you sunbathe in Vaasa in May?
May has mild temperatures in Vaasa. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Can you swim in Vaasa in May?
Swimming in Vaasa in May is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.
Is Vaasa rainy in May?
Vaasa is usually dry in May. Plan your packing around outdoor activities and exploring.
Is it sunny in Vaasa in May?
Usually, it’s not very sunny in Vaasa in May, 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.
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.
