May weather forecastOtaniemi, Finland
May
Weather in May
The last month of the spring, May, is a fresh month in Otaniemi, Finland, with an average temperature fluctuating between 6.9°C (44.4°F) and 12.6°C (54.7°F).Temperature
The shift from April to May is marked by an increase in the average high-temperature, moving from a chilly 6°C (42.8°F) to a cool 12.6°C (54.7°F). Otaniemi experiences a consistent average temperature of 6.9°C (44.4°F) throughout the nights in May.Humidity
With an average relative humidity of 72%, May is the least humid month in Otaniemi, Finland.Rainfall
In Otaniemi, in May, it is raining for 12 days, with typically 29mm (1.14") of accumulated precipitation. In Otaniemi, during the entire year, the rain falls for 144.4 days and collects up to 463mm (18.23") of precipitation.Snowfall
Months with snowfall in Otaniemi, Finland, are January through May, October through December. May is the last month it regularly snows in Otaniemi. During 0.8 snowfall days, in May, Otaniemi aggregates 14mm (0.55") of snow. In Otaniemi, during the entire year, snow falls for 84.6 days and aggregates up to 688mm (27.09") of snow.Sea temperature
In Otaniemi, in May, the average water temperature is 6.8°C (44.2°F).Note: Swimming in 6.8°C (44.2°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
Daylight
In Otaniemi, Finland, the average length of the day in May is 17h and 14min.On the first day of the month, sunrise is at 05:15 and sunset at 21:19. On the last day of May, in Otaniemi, Finland, sunrise is at 04:08 and sunset at 22:28 EEST.
Sunshine
In Otaniemi, the average sunshine in May is 10.1h.UV index
In Otaniemi, Finland, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the UV index of 4 transforms into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Otaniemi, Finland
- Average high temperature in May: 12.6°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-2.2°C).
- Average low temperature in May: 6.9°C
The month with the highest average low temperature is July (14.5°C).
The coldest months (with the lowest average low temperature) are January and February (-5.5°C).
Average pressure in May
Otaniemi, 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
Otaniemi, Finland
- Average wind speed in May: 13.7km/h
The windiest month (with the highest average wind speed) is December (21.1km/h).
The calmest month (with the lowest average wind speed) is May (13.7km/h).
Average humidity in May
Otaniemi, Finland
- Average humidity in May: 72%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in May
Otaniemi, Finland
- Average rainfall in May: 29mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in May
Otaniemi, Finland
- Average rainfall days in May: 12 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in May
Otaniemi, Finland
- Average snowfall in May: 14mm
The month with the highest snowfall is January (159mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Otaniemi, Finland
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Otaniemi, Finland
- Average sea temperature in May: 6.8°C
The best month for swimming (with the highest average sea temperature) is August (18.7°C).
The coldest month (with the lowest average sea temperature) is March (0.1°C).
Average daylight in May /
Average sunshine in May
Otaniemi, Finland
- Average daylight in May: 17h and 12min
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 30min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in May
Otaniemi, Finland
- Average sunshine days in May: 17 days
The month with the most sunshine days is May (17 days).
The month with the least sunshine days is December (5.6 days).
Average UV index in May
Otaniemi, 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
Otaniemi, 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
Otaniemi, 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).
