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
With the arrival of May, the average high-temperature transitions from a cold 5.6°C (42.1°F) in April to a fresh 11.6°C (52.9°F). In Porkala, the month of May brings a consistent average low-temperature of 7°C (44.6°F), slightly cooler than its daytime highs.Humidity
May is the least humid month in Porkala, Finland, with an average relative humidity of 74%.Rainfall
In May, the rain falls for 13.3 days. Throughout May, 33mm (1.3") of precipitation is accumulated. Throughout the year, there are 165.8 rainfall days, and 570mm (22.44") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Porkala aggregates 17mm (0.67") of snow. Throughout the year, in Porkala, there are 75.5 snowfall days, and 562mm (22.13") of snow is accumulated.Daylight
The average length of the day in May is 17h and 11min.On the first day of the month, sunrise is at 05:18 and sunset at 21:20. On the last day of May, sunrise is at 04:11 and sunset at 22:28 EEST.
Sunshine
In Porkala, the average sunshine in May is 10.2h.UV index
In Porkala, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 4 in May translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Around midday, solar radiation is most harmful; hence, exposure should be limited. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What are the temperatures in Porkala in May?
What is the least humid month in Porkala?
What is the average humidity in May in Porkala?
How many days does it rain in May in Porkala?
What is the last month it snows in Porkala?
How many hours of daylight does Porkala have in May?
When is the sunrise / sunset in May in Porkala?
How long on average sun shines in May in Porkala?
What is the UV index intensity in May in Porkala?
Average temperature in May
Porkala, Finland
- Average high temperature in May: 11.6°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in May: 7°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).
Average pressure in May
Porkala, 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 (1008.5mbar).
Average wind speed in May
Porkala, Finland
- Average wind speed in May: 14.9km/h
The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is May (14.9km/h).
Average humidity in May
Porkala, Finland
- Average humidity in May: 74%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (74%).
Average rainfall in May
Porkala, Finland
- Average rainfall in May: 33mm
The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in May
Porkala, Finland
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (7 days).
Average snowfall in May
Porkala, Finland
- Average snowfall in May: 17mm
The month with the highest snowfall is January (136mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Porkala, Finland
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is February (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Porkala, 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 0min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in May
Porkala, Finland
- Average sunshine days in May: 15.4 days
The month with the most sunshine days is May (15.4 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in May
Porkala, Finland
- Average UV index in May: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in May
Porkala, Finland
- Average cloud cover in May: 39
The month with the most cloud cover is December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in May
Porkala, 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 January, February, March and December (8km).
Porkala, Finland
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