May weather forecastHaarajoki, Finland
May
Weather in May
The last month of the spring, May, is a mild month in Haarajoki, Finland, with temperature in the range of an average high of 15.7°C (60.3°F) and an average low of 6°C (42.8°F).Temperature
Haarajoki's May weather shows an increase in high-temperatures, moving from April's chilly 7.8°C (46°F) to a moderate 15.7°C (60.3°F). Haarajoki anticipates an average minimum temperature of 6°C (42.8°F) in the month of May.Humidity
With an average relative humidity of 67%, May is the least humid month.Rainfall
In May, the rain falls for 10.8 days. Throughout May, 29mm (1.14") of precipitation is accumulated. Throughout the year, there are 117.3 rainfall days, and 371mm (14.61") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.9 snowfall days, in May, Haarajoki aggregates 27mm (1.06") of snow. Throughout the year, there are 102.9 snowfall days, and 1059mm (41.69") of snow is accumulated.Daylight
The average length of the day in May is 17h and 19min.On the first day of the month, sunrise is at 05:12 and sunset at 21:20. On the last day of May, sunrise is at 04:03 and sunset at 22:30 EEST.
Sunshine
In May, the average sunshine is 9.5h.UV index
In Haarajoki, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 4 in May transforms into the following instructions:
Take precautions - Protection against sunburn is recommended. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Haarajoki, Finland
- Average high temperature in May: 15.7°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in May: 6°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in May
Haarajoki, Finland
- Average pressure in May: 1014.9mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).
Average wind speed in May
Haarajoki, Finland
- Average wind speed in May: 10km/h
The windiest month (with the highest average wind speed) is December (11.4km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in May
Haarajoki, Finland
- Average humidity in May: 67%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall in May
Haarajoki, Finland
- Average rainfall in May: 29mm
The wettest month (with the highest rainfall) is December (44mm).
The driest months (with the least rainfall) are August and September (18mm).
Average rainfall days in May
Haarajoki, Finland
- Average rainfall days in May: 10.8 days
The month with the highest number of rainy days is November (13.5 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in May
Haarajoki, Finland
- Average snowfall in May: 27mm
The month with the highest snowfall is February (229mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Haarajoki, Finland
- Average snowfall days in May: 0.9 days
The month with the highest number of snowfall days is January (22.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Haarajoki, Finland
- Average daylight in May: 17h and 18min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in May: 9h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in May
Haarajoki, Finland
- Average sunshine days in May: 18.5 days
The month with the most sunshine days is June (20.8 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in May
Haarajoki, Finland
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in May
Haarajoki, Finland
- Average cloud cover in May: 44
The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in May
Haarajoki, Finland
- Average visibility in May: 9km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (5km).








