May weather forecastIlomantsi, Finland
May weather for Ilomantsi, Finland: In Ilomantsi, Finland, during May, the rain falls for 10.7 days and regularly aggregates up to 32mm (1.26") of precipitation. In Ilomantsi, Finland, in May, during 2 snowfall days, 38mm (1.5") of snow is typically accumulated.
May
Weather in May
May, the last month of the spring in Ilomantsi, is a refreshing month, with temperature in the range of an average low of 4.5°C (40.1°F) and an average high of 13.9°C (57°F).Temperature
The beginning of May signals a clear escalation in the average high-temperature, soaring from a cold 3.9°C (39°F) in April to a moderate 13.9°C (57°F). During the nights in May, Ilomantsi observes an average low-temperature of 4.5°C (40.1°F).Humidity
The months with the lowest humidity are May and June, with an average relative humidity of 68%.Rainfall
In Ilomantsi, during May, the rain falls for 10.7 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, there are 111.3 rainfall days, and 434mm (17.09") of precipitation is accumulated.Snowfall
Months with snowfall in Ilomantsi are January through June, September through December. In Ilomantsi, Finland, in May, during 2 snowfall days, 38mm (1.5") of snow is typically accumulated. Throughout the year, in Ilomantsi, there are 126.9 snowfall days, and 1352mm (53.23") of snow is accumulated.Daylight
In Ilomantsi, the average length of the day in May is 17h and 57min.On the first day of the month, sunrise is at 04:36 and sunset at 21:10. On the last day of May, sunrise is at 03:14 and sunset at 22:33 EEST.
Sunshine
The average sunshine in May is 9.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in May interprets into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ilomantsi, Finland
- Average high temperature in May: 13.9°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-7.2°C).
- Average low temperature in May: 4.5°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is January (-11.7°C).
Average pressure in May
Ilomantsi, 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 (1008.7mbar).
Average wind speed in May
Ilomantsi, Finland
- Average wind speed in May: 11km/h
The windiest month (with the highest average wind speed) is December (12.1km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).
Average humidity in May
Ilomantsi, Finland
- Average humidity in May: 68%
The months with the highest relative humidity are January and February (96%).
The months with the lowest relative humidity are May and June (68%).
Average rainfall in May
Ilomantsi, Finland
- Average rainfall in May: 32mm
The wettest month (with the highest rainfall) is July (52mm).
The driest month (with the least rainfall) is June (25mm).
Average rainfall days in May
Ilomantsi, Finland
- Average rainfall days in May: 10.7 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is February (2 days).
Average snowfall in May
Ilomantsi, Finland
- Average snowfall in May: 38mm
The month with the highest snowfall is December (279mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in May
Ilomantsi, Finland
- Average snowfall days in May: 2 days
The month with the highest number of snowfall days is December (23.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Ilomantsi, Finland
- Average daylight in May: 18h and 0min
The month with the longest days is June (Average daylight: 19h and 54min).
The month with the shortest days is December (Average daylight: 5h and 6min).
- Average sunshine in May: 9h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 36min).
Average sunshine days in May
Ilomantsi, Finland
- Average sunshine days in May: 18 days
The month with the most sunshine days is May (18 days).
The month with the least sunshine days is December (6.5 days).
Average UV index in May
Ilomantsi, 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, October, November and December (UV index 1).
Average cloud cover in May
Ilomantsi, Finland
- Average cloud cover in May: 48
The months with the most cloud cover are February and December (Cloud cover 86).
The month with the least cloud cover is July (Cloud cover 45).
Average visibility in May
Ilomantsi, 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, February and March (5km).
