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
With the onset of May, the average high-temperature slightly shifts from April's frosty 6.8°C (44.2°F) to a refreshing 13.9°C (57°F). Throughout May, the temperature in Perttula falls to an average low of 6.6°C (43.9°F).Humidity
The least humid month is May, with an average relative humidity of 69%.Rainfall
May is the month with the least rainfall. Rain falls for 8.3 days and accumulates 15mm (0.59") of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.6 snowfall days, in May, Perttula aggregates 12mm (0.47") of snow. Throughout the year, in Perttula, there are 53.9 snowfall days, and 433mm (17.05") of snow is accumulated.Daylight
The average length of the day in May is 17h and 19min.On the first day of May, sunrise is at 05:14 and sunset at 21:21. On the last day of the month, sunrise is at 04:06 and sunset at 22:31 EEST.
Sunshine
In May, the average sunshine in Perttula is 10.1h.UV index
In Perttula, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Perttula?
What is the least humid month in Perttula?
What is the average humidity in May in Perttula?
What is the driest month in Perttula?
How much does it rain in Perttula in May?
What is the last month it snows in Perttula?
What is the average length of the day in May in Perttula?
When is the sunrise / sunset in May in Perttula?
How many hours of sunshine does Perttula have in May?
How high is the UV index in May in Perttula?
Average temperature in May
Perttula, 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 (-2.8°C).
- Average low temperature in May: 6.6°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).
Average pressure in May
Perttula, 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 (1008.6mbar).
Average wind speed in May
Perttula, Finland
- Average wind speed in May: 12km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).
Average humidity in May
Perttula, Finland
- Average humidity in May: 69%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in May
Perttula, Finland
- Average rainfall in May: 15mm
The wettest month (with the highest rainfall) is October (48mm).
The driest month (with the least rainfall) is May (15mm).
Average rainfall days in May
Perttula, Finland
- Average rainfall days in May: 8.3 days
The months with the highest number of rainy days are July, August and September (15.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in May
Perttula, Finland
- Average snowfall in May: 12mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Perttula, Finland
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Perttula, 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: 10h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in May
Perttula, Finland
- Average sunshine days in May: 21.9 days
The month with the most sunshine days is May (21.9 days).
The month with the least sunshine days is November (11.1 days).
Average UV index in May
Perttula, 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
Perttula, Finland
- Average cloud cover in May: 40
The months with the most cloud cover are February and December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in May
Perttula, Finland
- Average visibility in May: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are February and March (7km).
