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
As April transitions into May, Petäjävesi sees a clear rise in the average high-temperature, escalating from a cold 5.6°C (42.1°F) to a mild 14.4°C (57.9°F). Nighttime temperature experiences an average drop to a wintry 5.3°C (41.5°F) in May.Humidity
With an average relative humidity of 67%, May is the least humid month.Rainfall
In Petäjävesi, during May, the rain falls for 12.3 days and regularly aggregates up to 39mm (1.54") of precipitation. In Petäjävesi, during the entire year, the rain falls for 121.2 days and collects up to 403mm (15.87") of precipitation.Snowfall
January through June, September through December are months with snowfall. In Petäjävesi, in May, snow falls for 1.2 days, with typically accumulated 22mm (0.87") of snow. In Petäjävesi, Finland, during the entire year, snow falls for 96 days and aggregates up to 932mm (36.69") of snow.Daylight
The average length of the day in May is 17h and 49min.On the first day of May, sunrise is at 05:02 and sunset at 21:30. On the last day of the month, sunrise is at 03:43 and sunset at 22:50 EEST.
Sunshine
In May, the average sunshine is 9.5h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 during May leads to these advisories:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the least humid month?
What is the average humidity in May?
How many days does it rain in May?
How many days does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Petäjävesi, Finland
- Average high temperature in May: 14.4°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (-5.5°C).
- Average low temperature in May: 5.3°C
The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-9.7°C).
Average pressure in May
Petäjävesi, Finland
- Average pressure in May: 1014.5mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in May
Petäjävesi, Finland
- Average wind speed in May: 10.7km/h
The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is July (9.6km/h).
Average humidity in May
Petäjävesi, Finland
- Average humidity in May: 67%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall in May
Petäjävesi, Finland
- Average rainfall in May: 39mm
The wettest month (with the highest rainfall) is July (50mm).
The driest months (with the least rainfall) are February and March (23mm).
Average rainfall days in May
Petäjävesi, Finland
- Average rainfall days in May: 12.3 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in May
Petäjävesi, Finland
- Average snowfall in May: 22mm
The month with the highest snowfall is December (185mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in May
Petäjävesi, Finland
- Average snowfall days in May: 1.2 days
The month with the highest number of snowfall days is December (19.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Petäjävesi, Finland
- Average daylight in May: 17h and 5min
The month with the longest days is June (Average daylight: 19h and 42min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in May: 9h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days in May
Petäjävesi, Finland
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in May
Petäjävesi, 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
Petäjävesi, Finland
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 83).
The months with the least cloud cover are July and August (Cloud cover 45).
Average visibility in May
Petäjävesi, Finland
- Average visibility in May: 9km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
