Weather in Helsinki in May 2024
- May is usually the driest month of the year in Helsinki
Average weather
Average temperature in Helsinki in May
The expected average maximum temperature in May is +57°F with a maximum of +66°F and a minimum of +30°F.
The average maximum temperature goes up 10% by the end of the month, compared with the beginning of the month, from +52°F to +55°F.
Is Helsinki warm or cold in May?
Helsinki 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 +32°F to +41°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 Helsinki:
Climate in Helsinki in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +43°F | +54°F | +61°F | ||||
| Min. temperature | ||||||
| +14°F | +28°F | +36°F | ||||
| Max. temperature | ||||||
| +66°F | +79°F | +88°F | ||||
| Rainfall | ||||||
| 24 mm | 42 mm | 58 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 72% | 68% | 72% | ||||
| Air pressure | ||||||
| 1011 HPa | 1013 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 10 | 13 | 11 | ||||
| Cloudy days | ||||||
| 16 | 13 | 13 | ||||
| Rainy days | ||||||
| 3 | 5 | 6 | ||||
| Snowy days | ||||||
| 1 | 0 | 0 | ||||
May weather is still as good as in 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 24 mm to 42 mm. It feels drier, as humidity decreases from 72% 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 10 to 13.
June brings much the same weather, it remains good.
Wind
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 Helsinki is gradually increasing during May, going from 3 m/s to 7 m/s over the course of the month.
Rain
How was the weather last May in Helsinki?
Climate Change Over the Years
The climate in Helsinki in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1980 (+53°F) and the highest in 2018 (+70°F). The driest year was 1993 with only 4 mm of rainfall, and the wettest year was 2021 with 152 mm.
FAQ
Is May a good time to visit Helsinki?
Can you sunbathe in Helsinki in May?
Is Helsinki rainy in May?
Is it sunny in Helsinki in May?
Other cities in Finland
Monthly weather in Helsinki
Source of the data
For this page, we’ve looked at the typical weather in Helsinki, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
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.