Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The start of May signals a considerable escalation in the average high-temperature, advancing from an icy 5.1°C (41.2°F) in April to a mild 13.8°C (56.8°F). In the month of May, Sievi's average low-temperature falls to a wintry 4.3°C (39.7°F).Humidity
The average relative humidity in May is 68%.Rainfall
In Sievi, in May, it is raining for 11.8 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, there are 118.8 rainfall days, and 391mm (15.39") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Sievi. May is the last month it regularly snows in Sievi, Finland. 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
In Sievi, 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, the average sunshine in May is 9.7h.UV index
In May, the average daily maximum UV index in Sievi, Finland, is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the usual temperature for Sievi in May?
What is the average humidity in May in Sievi?
How much does it rain in Sievi in May?
What is the last month it snows in Sievi?
How many hours of daylight does Sievi have in May?
When are sunrise and sunset in May in Sievi?
How long on average sun shines in May in Sievi?
What is the UV index reading in May in Sievi?
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 2min
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 4min
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).
Sievi, Finland
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