May weather forecastSievi, Finland
May
Weather in May
May, the last month of the spring in Sievi, is a refreshing month, with an average temperature fluctuating between 13.8°C (56.8°F) and 4.3°C (39.7°F).Temperature
Sievi in May sees a clear temperature escalation, with average high-temperatures increasing from an icy 5.1°C (41.2°F) in April to a moderate 13.8°C (56.8°F). Sievi records a consistent low-temperature of 4.3°C (39.7°F) during May nights.Humidity
The average relative humidity in May is 68%.Rainfall
In May, the rain falls for 11.8 days. Throughout May, 30mm (1.18") of precipitation is accumulated. In Sievi, during the entire year, the rain falls for 118.8 days and collects up to 391mm (15.39") of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1.6 snowfall days, in May, Sievi aggregates 21mm (0.83") of snow. In Sievi, during the entire year, snow falls for 108.4 days and aggregates up to 1010mm (39.76") of snow.Daylight
The average length of the day in May is 18h and 23min.On the first day of the month, sunrise is at 04:53 and sunset at 21:44. On the last day of May, sunrise is at 03:21 and sunset at 23:17 EEST.
Sunshine
In Sievi, Finland, the average sunshine in May is 9.7h.UV index
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 unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 in May translates into these instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. During bright days, sunglasses that offer UVA and UVB defense are recommended. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sievi, Finland
- Average high temperature in May: 13.8°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in May: 4.3°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is January (-10°C).
Average pressure in May
Sievi, Finland
- Average pressure in May: 1014.2mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1006mbar).
Average wind speed in May
Sievi, Finland
- Average wind speed in May: 10.4km/h
The windiest month (with the highest average wind speed) is December (11.5km/h).
The calmest month (with the lowest average wind speed) is July (8.9km/h).
Average humidity in May
Sievi, Finland
- Average humidity in May: 68%
The month with the highest relative humidity is January (96%).
The month with the lowest relative humidity is June (67%).
Average rainfall in May
Sievi, Finland
- Average rainfall in May: 30mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in May
Sievi, Finland
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Sievi, Finland
- Average snowfall in May: 21mm
The month with the highest snowfall is December (200mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Sievi, Finland
- Average snowfall days in May: 1.6 days
The month with the highest number of snowfall days is January (21.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Sievi, Finland
- Average daylight in May: 18h and 24min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in May: 9h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average sunshine days in May
Sievi, Finland
- Average sunshine days in May: 17.2 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in May
Sievi, 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
Sievi, Finland
- Average cloud cover in May: 49
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in May
Sievi, 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).
