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
May
Weather in May
Temperature
May sees a rise in the average high-temperature, climbing from a wintry 4.8°C (40.6°F) in April to a fresh 11.5°C (52.7°F). Nights in May exhibit a minor reduction to an average low temperature of 7.1°C (44.8°F).Humidity
May is the least humid month, with an average relative humidity of 73%.Rainfall
In Helilä, in May, it is raining for 13.3 days, with typically 39mm (1.54") of accumulated precipitation. In Helilä, Finland, during the entire year, the rain falls for 158.3 days and collects up to 569mm (22.4") of precipitation.Snowfall
January through May, October through December are months with snowfall in Helilä, Finland. May is the last month it regularly snows in Helilä, Finland. During 1 snowfall days, in May, Helilä aggregates 13mm (0.51") of snow. In Helilä, Finland, during the entire year, snow falls for 85.1 days and aggregates up to 670mm (26.38") of snow.Daylight
In Helilä, the average length of the day in May is 17h and 20min.On the first day of the month, sunrise is at 05:05 and sunset at 21:13. On the last day of May, in Helilä, sunrise is at 03:56 and sunset at 22:23 EEST.
Sunshine
In Helilä, the average sunshine in May is 9.8h.UV index
In May, the average daily maximum UV index in Helilä is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Helilä in May?
What is the least humid month in Helilä?
What is the average humidity in May in Helilä?
How much does it rain in Helilä in May?
What is the last month it snows in Helilä?
What is the average length of the day in May in Helilä?
When is the sunrise / sunset in May in Helilä?
How long on average sun shines in May in Helilä?
What is the UV index intensity in May in Helilä?
Average temperature in May
Helilä, Finland
- Average high temperature in May: 11.5°C
The warmest month (with the highest average high temperature) is July (19.7°C).
The month with the lowest average high temperature is February (-2.7°C).
- Average low temperature in May: 7.1°C
The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is February (-6.3°C).
Average pressure in May
Helilä, Finland
- Average pressure in May: 1014.9mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in May
Helilä, Finland
- Average wind speed in May: 15.6km/h
The windiest month (with the highest average wind speed) is December (23.7km/h).
The calmest month (with the lowest average wind speed) is July (15.5km/h).
Average humidity in May
Helilä, Finland
- Average humidity in May: 73%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall in May
Helilä, Finland
- Average rainfall in May: 39mm
The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in May
Helilä, Finland
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is October (17.6 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in May
Helilä, Finland
- Average snowfall in May: 13mm
The month with the highest snowfall is January (148mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Helilä, Finland
- Average snowfall days in May: 1 days
The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Helilä, Finland
- Average daylight in May: 17h and 2min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in May
Helilä, Finland
- Average sunshine days in May: 15.2 days
The month with the most sunshine days is May (15.2 days).
The month with the least sunshine days is December (6.4 days).
Average UV index in May
Helilä, 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
Helilä, Finland
- Average cloud cover in May: 41
The months with the most cloud cover are January and December (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in May
Helilä, Finland
- Average visibility in May: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).
