Last updated: August 21, 2025
In Uusikaupunki, Finland, March presents a unique blend of late winter and early spring characteristics. This month sees a maximum temperature of 10°C (51°F), with an average hovering around 0°C (33°F) and dipping to a chilly minimum of -21°C (-6°F). Precipitation is notable, totaling 41 mm (1.6 in) across approximately 9 days, contributing to the region's high humidity, which averages at 89%. As the landscape transitions, the weather serves as a reminder of the chill that still lingers, while hinting at the warmer days to come.
In Uusikaupunki, Finland, March marks a transitional phase as winter begins to recede, although chill still grips the air. With temperatures ranging from a minimum of -21°C (-6°F) to a maximum of 10°C (51°F), the month offers an average of 0°C (33°F), signaling the arrival of spring's first hints. Compared to the preceding months, where lows dipped into the bitter -19°C (-2°F) in February, the gradual warmth brings a subtle relief as the days lengthen. The increasing trend in temperatures continues into April, with a noteworthy jump to an average of 4°C (39°F), hinting that the frost will soon yield to the budding beauty of spring. Despite the lingering cold, March serves as a pivotal point, paving the way for brighter, warmer days ahead.
In Uusikaupunki, Finland, the month of March showcases a balanced precipitation pattern, with 41 mm (1.6 in) of rainfall spread across 9 days. This amount is slightly less than the previous months, reflecting a gradual transition toward drier conditions as winter yields to spring. Following the heavier snows of January and February, which recorded 45 mm and 40 mm respectively, March offers a glimpse of what's to come, hinting at the drier nights of April ahead with only 29 mm (1.2 in) expected. As daylight lengthens and temperatures rise, one can expect the rainy days to decrease, paving the way for the lush growth of the season.
In March, Uusikaupunki experiences a slight dip in humidity, with levels averaging 89% as winter transitions to spring. This is a gradual decrease from the 90% humidity observed in February, reflecting the town's shift towards the slightly drier conditions of April, which boasts a further drop to 85%. Overall, the trend reveals a gradual easing of moisture in the air as the months progress from the depths of winter, making March a key point in the seasonal change where residents can begin to feel the hints of spring. As the year advances, humidity continues to lower, reaching its annual low of 77% in May, highlighting a distinct seasonal pattern in Uusikaupunki's climate.
As winter fades, March in Uusikaupunki signals a notable shift in UV exposure, with the UV Index rising to 3, indicating moderate exposure risk. This is a step up from the low Index of 1 seen in the earlier months, highlighting the increasing strength of the sun as spring approaches. With a burn time of 30 minutes, it becomes essential to start considering sun protection, especially for those spending extended time outdoors. As we transition into April and May, the UV Index continues to climb, reaching 4 and 5 respectively, while a steady burn time remains. With these trends, it’s wise to stay informed and protect your skin, especially as warmer days entice outdoor activities. For more detailed information about UV exposure in the region, visit Uusikaupunki UV Index.
UV Risk Categories
As March arrives in Uusikaupunki, Finland, the sun begins to awaken from its winter slumber, delivering an impressive 273 hours of sunshine—more than quadrupling January's modest 62 hours. This surge marks a remarkable transition into longer, brighter days, foreshadowing the increasing daylight of April and May, where the sun gifts residents with even more warmth and light. The steady rise in sunshine hours not only signals the end of winter but also invites a vibrant atmosphere across the city. As the spring season unfolds, locals can anticipate enjoying the invigorating energy that comes with each passing hour of sunlight.
In Uusikaupunki, Finland, the likelihood of sunny weather begins a promising ascent in March, with a 39% chance of sun—a significant leap from the dreary depths of winter. This increase marks a shift towards brighter days as the region transitions from the cold grasp of February's 28%. As spring approaches, April further enhances this trend with a sunny probability of 53%, indicating a steady pattern of improvement. Interestingly, while May dips slightly to 35%, the sun's presence in June and July peaks at 55% and 60% respectively, underscoring a seasonal rhythm that brings warmth and light to the longer days of summer. Overall, March serves as a pivotal turning point, hinting at the vibrant weather to come as winter fades away.
March in Uusikaupunki, Finland, marks a notable transition as daylight hours expand to an inviting 11 hours. This gradual increase from the 9 hours in February signals the approach of spring, as sunlight begins to reclaim the days after the long winter darkness. The trend of increasing daylight continues into April with 14 hours, creating a sense of renewal and awakening. The steady lengthening of days not only brightens the landscape but also uplifts spirits, providing a glimpse of the vibrant summer months ahead, where daylight reaches its peak in June at an impressive 19 hours. This significant escalation from winter to spring illustrates the dramatic shift in Uusikaupunki's seasonal rhythm, making March a pivotal month in welcoming brighter, longer days.
In March, Uusikaupunki experiences a noticeable increase in wind speed, averaging 5.4 m/s (12 mph), making it the windiest month of the early year. This uptick is a transition from the milder conditions seen in January and February, where the winds hovered around 4.5 m/s (10 mph) and 4.3 m/s (10 mph), respectively. As spring approaches, the wind speeds not only rise above the earlier months, but they also prepare the way for the gustier conditions typical of October when winds peak at 6.1 m/s (14 mph). This pattern underscores a dynamic shift in Uusikaupunki's climate, as the invigorating March winds herald the arrival of a more spirited season ahead.
Weather in Uusikaupunki varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Uusikaupunki, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between March and January, we notice several differences in temperature and precipitation. March displays a slightly milder climate with average temperatures around 0°C (33°F), while January remains colder, averaging -1°C (31°F). The minimum temperatures in March dip to -21°C (-6°F), compared to January's -17°C (1°F). Precipitation is somewhat consistent, with March receiving 41 mm (1.6 in) over approximately 9 days, and January slightly higher at 45 mm (1.8 in) across 10 days. Humidity levels are also high in both months, reaching 89% in March and 92% in January. For a more detailed look at January weather, check out Uusikaupunki weather in January.
In March, temperatures show a slight warming trend compared to February, with average temperatures rising from -2°C (28°F) in February to around 0°C (33°F) in March. While February experiences a minimum temperature of -19°C (-2°F), March dips a bit lower to -21°C (-6°F) but enjoys a maximum of 10°C (51°F), making the days feel somewhat milder. Precipitation levels are consistent, with March averaging 41 mm over 9 days, compared to February’s 40 mm over 8 days. Humidity remains fairly high in both months, slightly decreasing from 90% in February to 89% in March. For more details on February weather, you can check Uusikaupunki weather in February.
March and April showcase a noticeable shift in weather conditions. In March, temperatures range from a chilly minimum of -21°C (-6°F) to a maximum of 10°C (51°F), with an average around 0°C (33°F). The month sees 41 mm (1.6 in) of precipitation over 9 days, accompanied by high humidity levels at 89%.
In contrast, April brings milder temperatures, with a minimum of -7°C (19°F) and a maximum reaching 18°C (65°F), resulting in an average temperature of 4°C (39°F). Precipitation decreases to 29 mm (1.2 in) over 8 days, and humidity slightly lowers to 85%. This transition indicates a shift towards warmer and drier conditions as spring unfolds. For more detailed insights, visit Uusikaupunki weather in April.
March and May present strikingly different weather patterns. In March, temperatures can dip as low as -21°C (-6°F), with an average temperature around 0°C (33°F) and a maximum of 10°C (51°F). The month is characterized by high humidity at 89% and receives about 41 mm (1.6 in) of precipitation over 9 days. In contrast, May brings a significant warming trend, with temperatures ranging from a minimum of -2°C (30°F) to an average of 9°C (48°F) and reaching a maximum of 23°C (73°F). Precipitation decreases slightly to 38 mm (1.5 in) over 7 days, and humidity drops to 77%. For more details, check out Uusikaupunki weather in May.
In March, temperatures can plummet to a minimum of -21°C (-6°F), with an average of around 0°C (33°F) and highs reaching only 10°C (51°F). The month is characterized by significant humidity at 89% and experiences about 41 mm (1.6 in) of precipitation over nine days. In contrast, June brings a noticeable warmth, with temperatures ranging from a minimum of 4°C (40°F) to a pleasant average of 15°C (59°F) and maximums reaching 27°C (81°F). This month also has less precipitation, totaling 40 mm (1.6 in) over just seven days, and humidity decreases to 78%. For more information on the weather in June, visit Uusikaupunki weather in June.
In March, Uusikaupunki experiences frigid temperatures, with a minimum of -21°C (-6°F) and an average of 0°C (33°F), while July brings a much warmer climate, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 30°C (86°F). Precipitation is slightly more abundant in July, totaling 67 mm (2.6 in) over approximately 10 days, compared to March's 41 mm (1.6 in) over 9 days. Additionally, the humidity in March is quite high at 89%, whereas July's humidity level is more moderate at 78%. For a closer look at the weather details, explore Uusikaupunki weather in July.
March and August present a stark contrast in weather conditions. In March, temperatures can dip as low as -21°C (-6°F), averaging around 0°C (33°F) and peaking at 10°C (51°F). The month is also characterized by high humidity at 89% and moderate precipitation, with about 41 mm (1.6 in) falling over 9 days. In contrast, August boasts a milder climate, with minimum temperatures of 7°C (45°F) and averages reaching 17°C (62°F), peaking at a warm 28°C (82°F). Although it experiences slightly more rainfall, totaling 73 mm (2.9 in) over 12 days, the humidity is lower at 79%. For more details on summer conditions, you can check Uusikaupunki weather in August.
March and September weather present striking contrasts. In March, temperatures range from a frigid minimum of -21°C (-6°F) to a mild maximum of 10°C (51°F), with an average around freezing at 0°C (33°F). The month experiences about 41 mm (1.6 in) of precipitation over 9 days, accompanied by high humidity levels at 89%. In contrast, September brings a warmer atmosphere, with temperatures starting at a low of 2°C (35°F) and reaching a comfortable high of 23°C (73°F), averaging 13°C (55°F). Precipitation increases to 71 mm (2.8 in) over 12 days, with humidity slightly lower at 86%. For a deeper look at September weather specifics, you can visit Uusikaupunki weather in September.
March and October present contrasting weather conditions as winter gives way to autumn. In March, temperatures can drop as low as -21°C (-6°F) with an average of 0°C (33°F), while October sees milder temperatures ranging from a minimum of -4°C (25°F) to a maximum of 17°C (62°F). Precipitation also differs significantly; March experiences 41 mm (1.6 in) over about 9 days, whereas October receives a heftier 90 mm (3.5 in) spread across 17 days. Humidity levels are relatively similar, hovering around 89% in March and slightly increasing to 90% in October. For more specific details, check out the Uusikaupunki weather in October.
March and November present contrasting weather patterns. In March, temperatures typically range from a frigid minimum of -21°C (-6°F) to a mild max of 10°C (51°F), with an average around 0°C (33°F). This month sees around 41 mm (1.6 in) of precipitation over approximately 9 days and a high humidity of 89%. In comparison, November offers milder temperatures, with a minimum of -7°C (19°F), an average of 4°C (40°F), and a maximum reaching 13°C (56°F). The month experiences more precipitation at 59 mm (2.3 in) spread over 12 days and slightly higher humidity at 91%. For more details on November weather, you can check Uusikaupunki weather in November.
In March, the weather tends to be slightly colder than in December, with average temperatures hovering around 0°C (33°F) compared to December's average of 1°C (33°F). March experiences a broader temperature range, with minimum lows dropping to -21°C (-6°F) versus December's -16°C (3°F) low. Although both months have similar humidity levels at 89%, December tends to be wetter, receiving 77 mm (3.0 in) of precipitation over 14 days compared to March’s 41 mm (1.6 in) spread over 9 days. For more specifics on the weather patterns in December, you can check Uusikaupunki weather in December.
As March in Uusikaupunki ushers in the first hints of spring, it brings a welcome transition from the harshness of winter, with fluctuating temperatures that can still plunge to chilling lows. While the average temperature hovers around freezing, the chance of warmer days increases, gently nudging the landscape towards thaw. With nearly a third of the month receiving precipitation, the air remains humid and crisp, setting a refreshing backdrop for early flowers to surface. This dynamic weather, marked by its unpredictability, is a distinctive shift from the colder, harsher conditions of the preceding winter months. For a deeper understanding of typical weather patterns, visit Uusikaupunki Climate.