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 onset of May marks an increase in the average high-temperature, moving from a cold 2.1°C (35.8°F) in April to a frosty 8.9°C (48°F). Nighttime temperatures hover around an average low of 3.6°C (38.5°F) in May.Humidity
The average relative humidity in May is 75%.Rainfall
In Alatornio, in May, it is raining for 8.8 days, with typically 22mm (0.87") of accumulated precipitation. Throughout the year, there are 94 rainfall days, and 347mm (13.66") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Alatornio, in May, snow falls for 2.5 days, with typically accumulated 19mm (0.75") of snow. Throughout the year, there are 89.7 snowfall days, and 919mm (36.18") of snow is accumulated.Daylight
The average length of the day in May is 19h and 15min.On the first day of the month, sunrise is at 04:39 and sunset at 22:01. On the last day of May, in Alatornio, sunrise is at 02:41 and sunset at 00:01 EEST.
Sunshine
In Alatornio, the average sunshine in May is 10.5h.UV index
In Alatornio, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In May, the maximum UV index of 3 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the usual temperature for Alatornio in May?
What is the average humidity in May in Alatornio?
How much does it rain in Alatornio in May?
How many days does it snow in May in Alatornio?
What is the average length of the day in May in Alatornio?
When is the sunrise / sunset in May in Alatornio?
How many hours of sunshine does Alatornio have in May?
How high is the UV index in May in Alatornio?
Average temperature in May
Alatornio, Finland
- Average high temperature in May: 8.9°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (-6.3°C).
- Average low temperature in May: 3.6°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-10.9°C).
Average pressure in May
Alatornio, Finland
- Average pressure in May: 1013.9mbar
The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1004.9mbar).
Average wind speed in May
Alatornio, Finland
- Average wind speed in May: 13.1km/h
The windiest months (with the highest average wind speed) are November and December (16.3km/h).
The calmest month (with the lowest average wind speed) is April (12km/h).
Average humidity in May
Alatornio, Finland
- Average humidity in May: 75%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (70%).
Average rainfall in May
Alatornio, Finland
- Average rainfall in May: 22mm
The wettest month (with the highest rainfall) is December (42mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in May
Alatornio, Finland
- Average rainfall days in May: 8.8 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in May
Alatornio, Finland
- Average snowfall in May: 19mm
The month with the highest snowfall is March (203mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in May
Alatornio, Finland
- Average snowfall days in May: 2.5 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Alatornio, Finland
- Average daylight in May: 19h and 2min
The month with the longest days is July (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 3h and 18min).
- Average sunshine in May: 10h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).
Average sunshine days in May
Alatornio, Finland
- Average sunshine days in May: 19.4 days
The month with the most sunshine days is June (20.8 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in May
Alatornio, Finland
- Average UV index in May: 3
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
Alatornio, Finland
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in May
Alatornio, Finland
- Average visibility in May: 9km
The months with the highest visibility are June, July and August (10km).
The month with the lowest visibility is January (6km).
Alatornio, Finland
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