Climate and monthly weather forecastRauma, Finland
Climate and monthly weather forecast
The climate of Rauma
The climate in Rauma, Finland is classified as Dfb in the Köppen climate classification, which defines it as a humid continental climate with no dry season and a warm summer. Its geographical position in the northern hemisphere means it experiences clear seasonal variations in temperature, precipitation, and daylight duration.Throughout the year, the temperature ranges from an average low of -5°C (23°F) in February to an average high of 19.7°C (67.5°F) in July. The year-round humidity primarily varies between 71% in May to a maximum of 91% in February, indicating a generally moist climate.
The city receives significant precipitation throughout the year, from a low of 21mm (0.83") in April to a peak of 56mm (2.2") in July. The majority of the city's rain falls from April to November, with the largest volume occurring in July. The number of rainfall days ranges from a low of 4.3 days in February to a high of 15.8 days in July.
Interestingly, Rauma experiences periodic snowfall from October to May, with a peak snowfall of 88mm (3.46") in March. The city experiences snowfall days mainly from November to April, peaking in March with an average of 13 days.
The daylight hours in Rauma vary greatly throughout the year, reflecting the city's high latitude. The city experiences the shortest daylight hours in December with only 5.7 hours. In contrast, June presents the longest daylight hours, lasting up to 19.2 hours.
The best time to visit Rauma
The best time to visit Rauma is from June to August. During this period, the average temperature tends to stay between 15.9°C (60.6°F) to 19.7°C (67.5°F), providing a mild and comfortable climate perfect for outdoor activities. Furthermore, the city receives the highest amount of sunshine with between 11.6 hours to 12.3 hours daily, making the summer months ideal for exploring the city's numerous attractions. Moreover, the UV index during this period ranges from 4 to 5, suggesting the need for necessary sun protection when outdoors.The worst time to visit Rauma
The months from November to March are considered less ideal for visiting Rauma, owing to the frigid temperatures and shorter daylight hours. During this period, the average temperature ranges from -1.5°C (29.3°F) to 1°C (33.8°F) and daylight lasts between 5.7 hours to 7.3 hours. Moreover, these months also see significant snowfall, with average values ranging from 16mm (0.63") in November to 88mm (3.46") in March.Spring weather in Rauma
From March to May, spring weather in Rauma sees a gradual rise in temperature, from an average high of 1°C (33.8°F) in March to 11.7°C (53.1°F) in May, and an increase in daylight hours from 11.8 hours to 17.5 hours. Precipitation during this season varies, with an average rainfall of 21mm (0.83") in April and 28mm (1.1") in May. Snowfall is prevalent in March but tends to subside by May.Summer weather in Rauma
The summer months from June to August bring warmer weather to Rauma. During this period, temperatures reach their peak with an average high of 19.7°C (67.5°F) in July. Humidity tends to lower slightly during the summer months, hovering around 72% to 74%. Despite being the warmest period, summer also sees the highest levels of rainfall, peaking at 56mm (2.2") in July.Autumn weather in Rauma
Autumn descends on Rauma from September to November, bringing a gradual decrease in temperature and daylight hours. The average high temperature drops from 14.8°C (58.6°F) in September to 4.5°C (40.1°F) in November, while daylight hours decrease from 12.9 hours to 7.3 hours. Although rainfall is consistent, the shift to colder autumn temperatures in late October signals the onset of snowfall.Winter weather in Rauma
Winter in Rauma spans from December to February and is characterized by cold temperatures, significant snowfall, and shorter daylight hours. Average high temperatures range from a mere -1.5°C (29.3°F) in December and January to 1°C (33.8°F) in February. Snowfall is prevalent throughout the winter, peaking at 87mm (3.43") in December. Reduced daylight hours - only 5.7 hours in December - add to the winter chill, giving Rauma a distinct, frosty character during these months.Weather in January
January is firmly entrenched in the winter season, with Rauma, Finland, experiencing chilly conditions. Freezing temperatures typically range from a high of -1.5°C (29.3°F) to a low of -4.7°C (23.5°F). Frosty mornings coupled with a relative humidity of 89% make the air icy and dense. Weather in January »Weather in February
In Rauma, the chilly trend persists deep into February with very little change in the mercury readings from January. Despite the cold, February claims the title of the driest month of winter, with the number of rainfall days dropping to 4.3. Weather in February »Weather in March
The arrival of March brings a degree of warmth, marking a shift from the harsh winter climate. The average high temperature sparks up to 1°C (33.8°F), encouraging snow to morph to slush as the city preparations for spring get underway. Weather in March »Weather in April
In April, weather patterns in Rauma undergo significant changes. Swelling average temperatures, ranging from 5.6°C (42.1°F) high to 1.5°C (34.7°F) low, thaw remaining snow and foundations of ice. For outdoor enthusiasts, daylight stretches up to 14.7 hours, inviting increased outdoor activities and sightings of the Northern Lights within the dark, less cloudy sky. Weather in April »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. Weather in May »Weather in June
June presents the onset of summer, with an appreciable elevation in temperatures peaking at an average high of 15.9°C (60.6°F). Daylight maxes out at an impressive 19.2 hours, providing the longest days of the year. The sunny days of June are perfect for exploring Rauma's historic district without the hindrance of frequent rainfall events. Weather in June »Weather in July
July, the epitome of summer in Rauma, offers the warmest month of the year. Average temperatures reach their zenith, hovering between 19.7°C (67.5°F) high and 13.8°C (56.8°F) low. Yet, it carries the mantle of the rainiest month, offering relief on at least 15.8 days. Weather in July »Weather in August
August signals the late summer stage in Rauma, showcased by a slightly cooler climate than July. Though temperatures begin to cool off slightly, the weather remains comfortably warm. This month sees a corresponding burst in rainfall, but 10.1 hours of sunshine each day ensures ample time to explore the city's landmarks. Weather in August »Weather in September
Rauma slides towards autumn in September, which is characterized by a gentle dip in temperatures. With the changing seasons, total rainfall jumps to 43mm (1.69"), nurturing the transition into a palette of dazzling fall colours. Weather in September »Weather in October
As Rauma heads deeper into autumn, October offers cooler weather, with temperatures dwindling further. Steadier rain episodes serve as a prelude to the looming winter, characterizing October as one of the wetter months. Meanwhile, daylight hours cease their downward slide, settling at an average of 10. Weather in October »Weather in November
In Rauma, November rings in the onset of winter, with temperatures dropping to a 4.5°C (40.1°F) high and 2.5°C (36.5°F) low on average. November’s colder climate allows for the first snow of the season, with an average snowfall of 16mm (0.63"). Weather in November »Weather in December
December sky in Rauma is painted in shades of winter, marked by icy temperatures dropping to a low of -1.5°C (29.3°F). The increased snowfall of 79mm (3.11") points towards a white Christmas possibility. Shortest daylight times of the year are found in December, with a mere 5.7 hours on average. Weather in December »Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Rauma witnesses its lowest temperatures during January and February, when the average high-temperature reaches -1.5°C (29.3°F).
In Rauma, Finland, during the entire year, the rain falls for 135.2 days and collects up to 422mm (16.61") of precipitation.
January through May, October through December are months with snowfall in Rauma.
Throughout the year, in Rauma, there are 58.1 snowfall days, and 382mm (15.04") of snow is accumulated.
January and December, with an average of 2.1h of sunshine, are months with the least sunshine in Rauma.
January through March and December, with an average maximum UV index of 1, are months with the lowest UV index in Rauma, Finland.
With an average relative humidity of 91%, February is the most humid month in Rauma.
The month with the most snowfall in Rauma is March, when snow falls for 13 days and typically aggregates up to 88mm (3.46") of snow.
April is the month with the least rainfall. Rain falls for 9.8 days and accumulates 21mm (0.83") of precipitation.
With an average relative humidity of 71%, May is the least humid month.
In Rauma, snow does not fall in June through September.
The month with the longest days is June, with an average of 19h and 12min of daylight.
June has the most sunshine of the year in Rauma, with an average of 12.3h of sunshine.
June and July, with an average maximum UV index of 5, are months with the highest UV index in Rauma, Finland.
July is the month when Rauma sees the average highest temperatures, with a high of 19.7°C (67.5°F) and a low of 13.8°C (56.8°F).
The month with the most rainfall in Rauma is July, when the rain falls for 15.8 days and typically aggregates up to 56mm (2.2") of precipitation.
On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends, and the time zone changes from EEST to EET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 03:00, and the time zone reverts from EET to EEST.
December has the shortest days of the year in Rauma, Finland, with an average of 5h and 42min of daylight.
Average temperature
Rauma, Finland
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).
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
Rauma, Finland
- Average pressure in January:
1010.6mbar - Average pressure in February:
1011.2mbar - Average pressure in March:
1010.7mbar - Average pressure in April:
1013.4mbar - Average pressure in May:
1014.8mbar - Average pressure in June:
1012.2mbar
- Average pressure in July:
1010.9mbar - Average pressure in August:
1012.5mbar - Average pressure in September:
1012.8mbar - Average pressure in October:
1013.4mbar - Average pressure in November:
1010.8mbar - Average pressure in December:
1006.9mbar
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
Rauma, Finland
- Average wind speed in January:
19km/h - Average wind speed in February:
17.2km/h - Average wind speed in March:
17.1km/h - Average wind speed in April:
15.4km/h - Average wind speed in May:
14.7km/h - Average wind speed in June:
14.6km/h
- Average wind speed in July:
14.5km/h - Average wind speed in August:
15.2km/h - Average wind speed in September:
16.8km/h - Average wind speed in October:
18.3km/h - Average wind speed in November:
19km/h - Average wind speed in December:
20.7km/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
Rauma, Finland
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall
Rauma, Finland
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days
Rauma, Finland
- Average rainfall days in January:
6.2 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
7.9 days - Average rainfall days in April:
9.8 days - Average rainfall days in May:
11.9 days - Average rainfall days in June:
11.7 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
14 days - Average rainfall days in October:
13.7 days - Average rainfall days in November:
13.5 days - Average rainfall days in December:
11.3 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
Rauma, Finland
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
Rauma, Finland
- Average snowfall days in January:
12 days - Average snowfall days in February:
12.1 days - Average snowfall days in March:
13 days - Average snowfall days in April:
3.4 days - Average snowfall days in May:
0.8 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.3 days - Average snowfall days in November:
3.6 days - Average snowfall days in December:
11.9 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 / Average sunshine
Rauma, Finland
- Average daylight in January:
6h and 36min - Average daylight in February:
9h and 0min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 42min - Average daylight in May:
17h and 30min - Average daylight in June:
19h and 12min
- Average daylight in July:
18h and 18min - Average daylight in August:
15h and 48min - Average daylight in September:
12h and 54min - Average daylight in October:
10h and 0min - Average daylight in November:
7h and 18min - Average daylight in December:
5h and 42min
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 January:
2h and 6min - Average sunshine in February:
3h and 0min - Average sunshine in March:
4h and 54min - Average sunshine in April:
7h and 42min - Average sunshine in May:
10h and 24min - Average sunshine in June:
12h and 18min
- Average sunshine in July:
11h and 36min - Average sunshine in August:
10h and 6min - Average sunshine in September:
7h and 36min - Average sunshine in October:
4h and 12min - Average sunshine in November:
3h and 6min - Average sunshine in December:
2h and 6min
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
Rauma, Finland
- Average sunshine days in January:
12.6 days - Average sunshine days in February:
13.2 days - Average sunshine days in March:
13.6 days - Average sunshine days in April:
16.1 days - Average sunshine days in May:
16.5 days - Average sunshine days in June:
16.8 days
- Average sunshine days in July:
14.1 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
13.5 days - Average sunshine days in October:
14.3 days - Average sunshine days in November:
11.2 days - Average sunshine days in December:
10.7 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
Rauma, Finland
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
Rauma, Finland
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
Rauma, Finland
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).
