May weather forecastNiipperi, Finland
May
Weather in May
May, the last month of the spring in Niipperi, is a mild month, with an average temperature ranging between max 13.9°C (57°F) and min 6.6°C (43.9°F).Temperature
Niipperi sees a rise in temperature during May, with average high-temperatures transitioning from a frosty 6.8°C (44.2°F) in April to a mild 13.9°C (57°F). During May, Niipperi's temperature falls to a steady low-temperature average of 6.6°C (43.9°F).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
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.6 snowfall days, in May, Niipperi aggregates 12mm (0.47") of snow. In Niipperi, during the entire year, snow falls for 53.9 days and aggregates up to 433mm (17.05") of snow.Daylight
In Niipperi, the average length of the day in May is 17h and 16min.On the first day of May, sunrise is at 05:15 and sunset at 21:20. On the last day of the month, sunrise is at 04:07 and sunset at 22:29 EEST.
Sunshine
The average sunshine in May is 10.1h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Niipperi, 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
Niipperi, 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
Niipperi, 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
Niipperi, 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
Niipperi, 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
Niipperi, Finland
- Average rainfall days in May: 8.3 days
The months with the highest number of rainy days are July and August (15.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in May
Niipperi, 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
Niipperi, 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
Niipperi, 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: 6h and 0min).
- 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 54min).
Average sunshine days in May
Niipperi, 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
Niipperi, 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
Niipperi, 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
Niipperi, 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).





