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 »