May weather forecastPertunmaa, Finland
May
Weather in May
May, the last month of the spring in Pertunmaa, is a refreshing month, with an average temperature ranging between min 5.8°C (42.4°F) and max 15°C (59°F).Temperature
May's arrival witnesses a distinct temperature rise, advancing from April's frosty 6°C (42.8°F) to a moderate 15°C (59°F). Pertunmaa experiences an average nighttime temperature of 5.8°C (42.4°F) in the month of May.Humidity
With an average relative humidity of 66%, May is the least humid month.Rainfall
In May, the rain falls for 12.8 days. Throughout May, 32mm (1.26") of precipitation is accumulated. Throughout the year, there are 125.3 rainfall days, and 411mm (16.18") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In May, it is snowing for 1.3 days. Throughout May, 26mm (1.02") of snow is accumulated. Throughout the year, there are 114.6 snowfall days, and 1087mm (42.8") of snow is accumulated.Daylight
In Pertunmaa, the average length of the day in May is 17h and 36min.On the first day of the month, sunrise is at 05:01 and sunset at 21:20. On the last day of May, sunrise is at 03:47 and sunset at 22:36 EEST.
Sunshine
In Pertunmaa, the average sunshine in May is 9.7h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 4 in May translates into the following recommendations:
Take precautions - Protection against sunburn is recommended. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Pertunmaa, Finland
- Average high temperature in May: 15°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (-5.3°C).
- Average low temperature in May: 5.8°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-9.2°C).
Average pressure in May
Pertunmaa, Finland
- Average pressure in May: 1014.7mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in May
Pertunmaa, Finland
- Average wind speed in May: 10.9km/h
The windiest month (with the highest average wind speed) is December (12.9km/h).
The calmest months (with the lowest average wind speed) are July and August (10.1km/h).
Average humidity in May
Pertunmaa, Finland
- Average humidity in May: 66%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall in May
Pertunmaa, Finland
- Average rainfall in May: 32mm
The wettest month (with the highest rainfall) is July (44mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in May
Pertunmaa, Finland
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in May
Pertunmaa, Finland
- Average snowfall in May: 26mm
The month with the highest snowfall is December (236mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in May
Pertunmaa, Finland
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is January (24.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Pertunmaa, Finland
- Average daylight in May: 17h and 36min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in May: 9h and 42min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).
Average sunshine days in May
Pertunmaa, Finland
- Average sunshine days in May: 16 days
The month with the most sunshine days is May (16 days).
The month with the least sunshine days is December (6.5 days).
Average UV index in May
Pertunmaa, 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
Pertunmaa, Finland
- Average cloud cover in May: 46
The months with the most cloud cover are January and February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in May
Pertunmaa, Finland
- Average visibility in May: 9km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
