May weather forecastHeponiitty, Finland
May
Weather in May
The last month of the spring, May, is a moderate month in Heponiitty, Finland, with an average temperature fluctuating between 13.9°C (57°F) and 6.6°C (43.9°F).Temperature
The onset of May marks an increase in the average high-temperature, moving from a frosty 6.8°C (44.2°F) in April to a refreshing 13.9°C (57°F). May witnesses an average nighttime temperature of 6.6°C (43.9°F) in Heponiitty.Humidity
The least humid month is May, with an average relative humidity of 69%.Rainfall
The month with the least rainfall is May, when the rain falls for 8.3 days and typically collects 15mm (0.59") of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Heponiitty. During 0.6 snowfall days, in May, Heponiitty aggregates 12mm (0.47") of snow. In Heponiitty, during the entire year, snow falls for 53.9 days and aggregates up to 433mm (17.05") of snow.Daylight
The average length of the day in May is 17h and 17min.On the first day of the month, sunrise is at 05:14 and sunset at 21:20. On the last day of May, in Heponiitty, sunrise is at 04:06 and sunset at 22:30 EEST.
Sunshine
In Heponiitty, the average sunshine in May is 10.1h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 in May translates into these instructions:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Heponiitty, Finland
- Average high temperature in May: 13.9°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in May: 6.6°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).
Average pressure in May
Heponiitty, Finland
- Average pressure in May: 1014.9mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in May
Heponiitty, Finland
- Average wind speed in May: 12km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).
Average humidity in May
Heponiitty, Finland
- Average humidity in May: 69%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in May
Heponiitty, Finland
- Average rainfall in May: 15mm
The wettest month (with the highest rainfall) is October (48mm).
The driest month (with the least rainfall) is May (15mm).
Average rainfall days in May
Heponiitty, Finland
- Average rainfall days in May: 8.3 days
The months with the highest number of rainy days are July, August and September (15.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in May
Heponiitty, Finland
- Average snowfall in May: 12mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Heponiitty, Finland
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Heponiitty, Finland
- Average daylight in May: 17h and 18min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in May: 10h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in May
Heponiitty, Finland
- Average sunshine days in May: 21.9 days
The month with the most sunshine days is May (21.9 days).
The month with the least sunshine days is November (11.1 days).
Average UV index in May
Heponiitty, 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
Heponiitty, Finland
- Average cloud cover in May: 40
The months with the most cloud cover are February and December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in May
Heponiitty, 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 February and March (7km).
