Vaasa Weather in May
During May, Vaasa experiences moderate daytime temperatures of 13°C (55°F) and cooler nights around 4°C (39°F). Some rainfall is typical during this period.
Rainfall in Vaasa in May
Historically, May sees about 11 days of rain, with a monthly average of 47 mm (1.9 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Vaasa in May
Vaasa in May gets highs of 13°C (55°F) during the day and drops to 4°C (39°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Vaasa in May
Expect sunny days throughout the month, with an estimated 278 hours of sunshine. Despite the cool temperatures, the sunny skies make it a pleasant time to visit Vaasa.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Vaasa.
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 Vaasa's climate page.
Vaasa Temperature in May
Min Temperature
4°C (39°F)
Max Temperature
13°C (55°F)
Chance of Rain
36%
Precipitation
47 mm (1.9 in)
Rainy days
11 days
Sunshine
278 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Vaasa typically rise from around 10°C (50°F) at the start of May to approximately 15°C (59°F) by the end. Nights are cold, with lows typically ranging from 1°C (34°F) to 7°C (45°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Vaasa in May
Browse day-by-day weather records for Vaasa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Vaasa historical weather extremes in May
According to our 50 years of weather records for Vaasa, the following extremes were recorded between 1976 and 2026.
- On May 30, 2013, temperatures climbed to 29°C (84°F), marking the warmest May day on record.
- The coldest May day was on May 3, 2019, with a maximum of 0°C (32°F).
- The coldest night in May in Vaasa was on May 1, 1976, with a minimum of -7°C (19°F).
Best Places in Finland in May
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Vaasa in May
Pack for changing conditions in Vaasa in May. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Vaasa in May
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 Vaasa's climate page.
See the full Vaasa climate overview or explore weather in Finland.
