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
May marks a minor ascent in the average high-temperature, adjusting from April's wintry 3.9°C (39°F) to a chilly 8.5°C (47.3°F). Karlby records a slight downturn in temperature to an average of 6.3°C (43.3°F) during May nights.Humidity
In Karlby, the average relative humidity in May is 81%.Rainfall
In Karlby, in May, it is raining for 9.7 days, with typically 20mm (0.79") of accumulated precipitation. In Karlby, during the entire year, the rain falls for 132.5 days and collects up to 310mm (12.2") of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Karlby. During 0.6 snowfall days, in May, Karlby aggregates 8mm (0.31") of snow. Throughout the year, there are 38.5 snowfall days, and 160mm (6.3") of snow is accumulated.Daylight
In May, the average length of the day in Karlby is 17h and 10min.On the first day of the month, sunrise is at 05:32 and sunset at 21:34. On the last day of May, sunrise is at 04:26 and sunset at 22:41 EEST.
Sunshine
The average sunshine in May is 10.6h.UV index
In May, the average daily maximum UV index in Karlby is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 3 in May leads to these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the average May temperature in Karlby?
What is the average humidity in May in Karlby?
How many days does it rain in May in Karlby?
What is the last month it snows in Karlby?
How many hours of daylight does Karlby have in May?
When are sunrise and sunset in May in Karlby?
How many hours of sunshine does Karlby have in May?
How high is the UV index in May in Karlby?
Average temperature in May
Karlby, Finland
- Average high temperature in May: 8.5°C
The warmest month (with the highest average high temperature) is August (18.1°C).
The month with the lowest average high temperature is February (0.3°C).
- Average low temperature in May: 6.3°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (-1.7°C).
Average pressure in May
Karlby, Finland
- Average pressure in May: 1015mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in May
Karlby, Finland
- Average wind speed in May: 21.3km/h
The windiest month (with the highest average wind speed) is December (34.1km/h).
The calmest month (with the lowest average wind speed) is July (21.2km/h).
Average humidity in May
Karlby, Finland
- Average humidity in May: 81%
The months with the highest relative humidity are February and March (84%).
The months with the lowest relative humidity are August, September and October (78%).
Average rainfall in May
Karlby, Finland
- Average rainfall in May: 20mm
The wettest month (with the highest rainfall) is September (38mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in May
Karlby, Finland
- Average rainfall days in May: 9.7 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in May
Karlby, Finland
- Average snowfall in May: 8mm
The month with the highest snowfall is January (41mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Karlby, Finland
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Karlby, Finland
- Average daylight in May: 17h and 1min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in May: 10h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in May
Karlby, Finland
- Average sunshine days in May: 19.3 days
The month with the most sunshine days is May (19.3 days).
The month with the least sunshine days is December (8.9 days).
Average UV index in May
Karlby, 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 and December (UV index 1).
Average cloud cover in May
Karlby, Finland
- Average cloud cover in May: 36
The months with the most cloud cover are January and December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in May
Karlby, Finland
- Average visibility in May: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
Karlby, Finland
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