Vantaa Weather in May
Vantaa in May averages 16°C (61°F) during the day and 6°C (43°F) at night. Some rainfall is typical for this time of year.
Rainfall in Vantaa in May
You can expect rain on around 10 days based on historical patterns, with 48 mm (1.9 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Vantaa in May
If you're visiting Vantaa in May, expect highs of 16°C (61°F) and overnight lows around 6°C (43°F). Conditions are often most pleasant around the middle of the day. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Vantaa in May
Enjoy a sunny month with about 275 hours of sunshine, the clear skies make Vantaa even more beautiful.
Wind Speed in Vantaa in May
Average wind speeds reach 3 m/s (6 knots) in May, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.
Average water temperature in May
With water temperatures around 4°C (39°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Vantaa.
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 Vantaa's climate page.
Vantaa Temperature in May
Min Temperature
6°C (43°F)
Max Temperature
16°C (61°F)
Water Temperature
4°C (39°F) *
Chance of Rain
34%
Precipitation
48 mm (1.9 in)
Rainy days
10 days
Humidity
65% *
Windspeed
3 m/s (6 knots) *
Sunshine
275 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Vantaa typically rise from around 12°C (54°F) at the start of May to approximately 17°C (63°F) by the end. Nights are cold, with lows typically ranging from 2°C (36°F) to 8°C (46°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 Vantaa in May
Browse day-by-day weather records for Vantaa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Vantaa historical weather extremes in May
According to our 50 years of weather records for Vantaa, the following extremes were recorded between 1976 and 2026.
- On May 30, 1995, temperatures climbed to 29°C (84°F), marking the warmest May day on record.
- The coldest May day was on May 19, 1980, with a maximum of 2°C (36°F).
- Nighttime temperatures dropped to -5°C (23°F) on May 2, 1995, marking the coldest May night on record.
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 Vantaa in May
Pack for changing conditions in Vantaa 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. Expect water temperatures of around 4°C (39°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Vantaa 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 Vantaa's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Vantaa climate overview or explore weather in Finland.
