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
May
Weather in May
Temperature
May is characterized by a clear rise in the average high-temperature, escalating from April's frosty 6.6°C (43.9°F) to a mild 14.9°C (58.8°F). The nighttime temperature in Iitti dips to a chilly 6.2°C (43.2°F) on average during May.Humidity
May is the least humid month in Iitti, with an average relative humidity of 68%.Rainfall
In Iitti, Finland, in May, it is raining for 11.4 days, with typically 36mm (1.42") of accumulated precipitation. In Iitti, during the entire year, the rain falls for 131.9 days and collects up to 451mm (17.76") of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.9 snowfall days, in May, Iitti aggregates 39mm (1.54") of snow. Throughout the year, in Iitti, Finland, there are 104.4 snowfall days, and 1093mm (43.03") of snow is accumulated.Daylight
In May, the average length of the day is 17h and 25min.On the first day of May in Iitti, sunrise is at 05:05 and sunset at 21:17. On the last day of the month, sunrise is at 03:54 and sunset at 22:29 EEST.
Sunshine
The average sunshine in May in Iitti is 9.7h.UV index
In May, the average daily maximum UV index in Iitti is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 4 suggests these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Iitti in May?
What is the least humid month in Iitti?
What is the average humidity in May in Iitti?
How many days does it rain in May in Iitti?
What is the last month it snows in Iitti?
How many hours of daylight does Iitti have in May?
When is the sunrise / sunset in May in Iitti?
How many hours of sunshine does Iitti have in May?
What is the UV index reading in May in Iitti?
Average temperature in May
Iitti, Finland
- Average high temperature in May: 14.9°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in May: 6.2°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in May
Iitti, Finland
- Average pressure in May: 1014.8mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in May
Iitti, Finland
- Average wind speed in May: 11.5km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in May
Iitti, Finland
- Average humidity in May: 68%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (68%).
Average rainfall in May
Iitti, Finland
- Average rainfall in May: 36mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in May
Iitti, Finland
- Average rainfall days in May: 11.4 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in May
Iitti, Finland
- Average snowfall in May: 39mm
The month with the highest snowfall is February (231mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Iitti, Finland
- Average snowfall days in May: 0.9 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Iitti, Finland
- Average daylight in May: 17h and 2min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).
Average sunshine days in May
Iitti, Finland
- Average sunshine days in May: 17.3 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is December (5.5 days).
Average UV index in May
Iitti, Finland
- Average UV index in May: 4
The months with the highest UV index are June and 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
Iitti, Finland
- Average cloud cover in May: 44
The months with the most cloud cover are January and February (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in May
Iitti, Finland
- Average visibility in May: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January, February and March (6km).
