May weather forecastKoiskala, Finland
May
Weather in May
May, the last month of the spring in Koiskala, is a refreshing month, with temperature in the range of an average high of 15.5°C (59.9°F) and an average low of 5.9°C (42.6°F).Temperature
The arrival of May brings a significant change in Koiskala's weather, with average high-temperatures climbing from April's frosty 7.2°C (45°F) to a moderate 15.5°C (59.9°F). Throughout May, an average nighttime temperature of 5.9°C (42.6°F) is experienced.Humidity
With an average relative humidity of 67%, May is the least humid month.Rainfall
In Koiskala, in May, during 11.7 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, there are 118.7 rainfall days, and 398mm (15.67") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Koiskala. May is the last month it regularly snows. During 1 snowfall days, in May, Koiskala aggregates 37mm (1.46") of snow. Throughout the year, in Koiskala, there are 93.7 snowfall days, and 918mm (36.14") of snow is accumulated.Daylight
In May, the average length of the day in Koiskala is 17h and 27min.On the first day of May in Koiskala, sunrise is at 05:07 and sunset at 21:20. On the last day of the month, sunrise is at 03:56 and sunset at 22:33 EEST.
Sunshine
In May, the average sunshine is 9.3h.UV index
In Koiskala, Finland, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 during May leads to these advisories:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Koiskala, Finland
- Average high temperature in May: 15.5°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-4.5°C).
- Average low temperature in May: 5.9°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 (-8.9°C).
Average pressure in May
Koiskala, Finland
- Average pressure in May: 1014.8mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in May
Koiskala, Finland
- Average wind speed in May: 10.5km/h
The windiest month (with the highest average wind speed) is December (12km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in May
Koiskala, 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
Koiskala, Finland
- Average rainfall in May: 36mm
The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in May
Koiskala, Finland
- Average rainfall days in May: 11.7 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in May
Koiskala, Finland
- Average snowfall in May: 37mm
The month with the highest snowfall is January (196mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in May
Koiskala, Finland
- Average snowfall days in May: 1 days
The months with the highest number of snowfall days are January and December (18.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Koiskala, Finland
- Average daylight in May: 17h and 30min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in May: 9h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in May
Koiskala, Finland
- Average sunshine days in May: 17.6 days
The months with the most sunshine days are May and August (17.6 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in May
Koiskala, Finland
- Average UV index in May: 4
The month with the highest UV index is 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
Koiskala, Finland
- Average cloud cover in May: 46
The months with the most cloud cover are January and February (Cloud cover 81).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility in May
Koiskala, 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).
