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 sea temperature 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
The coming of May brings a minor shift in Houtskär's weather, with average high-temperatures adjusting from April's icy 3.9°C (39°F) to a chilly 8.5°C (47.3°F). Houtskär sustains an average of approximately 6.3°C (43.3°F) during May nights, with little variation from daytime highs.Humidity
In Houtskär, the average relative humidity in May is 81%.Rainfall
In Houtskär, during May, the rain falls for 9.7 days and regularly aggregates up to 20mm (0.79") of precipitation. In Houtskär, 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. During 0.6 snowfall days, in May, Houtskär aggregates 8mm (0.31") of snow. In Houtskär, during the entire year, snow falls for 38.5 days and aggregates up to 160mm (6.3") of snow.Sea temperature
In May, the average sea temperature is 3.8°C (38.8°F).Note: In the realm of swimming, this is life-threatening and fraught with danger. The cold water triggers intense discomfort and leads to swift hyperventilation. Donning a specialized swimsuit is essential to curb thermal harm.
Daylight
In May, the average length of the day is 17h and 15min.On the first day of the month, sunrise is at 05:29 and sunset at 21:33. On the last day of May, sunrise is at 04:21 and sunset at 22:42 EEST.
Sunshine
The average sunshine in May is 10.6h.UV index
In Houtskär, the average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 3 during May morphs into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. On your guard! Snow's reflection can almost 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?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the sea temperature in May?
How many hours of daylight does Houtskär have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May in Houtskär?
Average temperature in May
Houtskär, 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
Houtskär, 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
Houtskär, 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
Houtskär, 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
Houtskär, 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
Houtskär, 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
Houtskär, 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
Houtskär, 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 sea temperature in May
Houtskär, Finland
- Average sea temperature in May: 3.8°C
The best month for swimming (with the highest average sea temperature) is August (12.3°C).
The coldest month (with the lowest average sea temperature) is March (-0.2°C).
Average daylight in May /
Average sunshine in May
Houtskär, Finland
- Average daylight in May: 17h and 2min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- 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
Houtskär, 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
Houtskär, 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
Houtskär, 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
Houtskär, 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).
