May weather forecastRauma, Finland
May
Weather in May
The transition into May sees Rauma washed with the undeniable hues of spring. Warmer temperatures starkly contrast with the frigid winter atmosphere, escalating steadily to a high of 11.7°C (53.1°F). Rainfall is interspersed fairly evenly across the month, nourishing the revival of lush green landscapes and vibrant blooms. The uptick of weather conditions becomes more prominent, with daylight illuminating the city for 17.5 hours, and sunshine rates hitting the double digits. Average wind speeds decrease further, fostering agreeable climate settings.Temperature
The beginning of May in Rauma signals a rise in the average high-temperature, moving from a cold 5.6°C (42.1°F) in April to a fresh 11.7°C (53.1°F). Rauma's temperature drops to an average low of 6.5°C (43.7°F) during the nights of May.Humidity
With an average relative humidity of 71%, May is the least humid month.Rainfall
In May, the rain falls for 11.9 days. Throughout May, 28mm (1.1") of precipitation is accumulated. Throughout the year, there are 135.2 rainfall days, and 422mm (16.61") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Rauma. During 0.8 snowfall days, in May, Rauma aggregates 6mm (0.24") of snow. Throughout the year, in Rauma, there are 58.1 snowfall days, and 382mm (15.04") of snow is accumulated.Daylight
In Rauma, Finland, the average length of the day in May is 17h and 29min.On the first day of May, sunrise is at 05:23 and sunset at 21:38. On the last day of the month, sunrise is at 04:11 and sunset at 22:51 EEST.
Sunshine
In May, the average sunshine is 10.4h.UV index
In Rauma, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In May, a regular UV index of 3 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rauma, Finland
- Average high temperature in May: 11.7°C
The warmest month (with the highest average high temperature) is July (19.7°C).
The months with the lowest average high temperature are January and February (-1.5°C).
- Average low temperature in May: 6.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (-5°C).
Average pressure in May
Rauma, 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 (1006.9mbar).
Average wind speed in May
Rauma, Finland
- Average wind speed in May: 14.7km/h
The windiest month (with the highest average wind speed) is December (20.7km/h).
The calmest month (with the lowest average wind speed) is July (14.5km/h).
Average humidity in May
Rauma, Finland
- Average humidity in May: 71%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in May
Rauma, Finland
- Average rainfall in May: 28mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in May
Rauma, Finland
- Average rainfall days in May: 11.9 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in May
Rauma, Finland
- Average snowfall in May: 6mm
The month with the highest snowfall is March (88mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Rauma, Finland
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is March (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rauma, Finland
- Average daylight in May: 17h and 30min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in May: 10h and 24min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The months with the least sunshine are January and December (Average sunshine: 2h and 6min).
Average sunshine days in May
Rauma, Finland
- Average sunshine days in May: 16.5 days
The month with the most sunshine days is June (16.8 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in May
Rauma, Finland
- Average UV index in May: 3
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 and December (UV index 1).
Average cloud cover in May
Rauma, Finland
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in May
Rauma, Finland
- Average visibility in May: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February and March (8km).
