Last updated: August 21, 2025
March in Naantali, Finland, showcases a fascinating transition from winter to spring, with temperatures fluctuating from a chilly -23°C (-9°F) at their lowest to a pleasant 11°C (52°F) at the peak. The average temperature settles at a crisp 0°C (32°F), providing a unique opportunity to experience the beauty of early spring. With 44 mm (1.7 in) of precipitation over 9 days, the locale often embraces a mix of rain and late-season snow, contributing to a humidity level of 89%. This dynamic weather invites both residents and visitors to appreciate the serene landscapes as they awaken from their winter slumber.
In March, Naantali, Finland, begins to emerge from the grips of winter, showcasing a distinct transitional phase in its temperatures. The month experiences a minimum of -23°C (-9°F), marking one of the colder ends of the winter season, but it also boasts a maximum of 11°C (52°F), signaling the approaching warmth of spring. With an average temperature hovering around 0°C (32°F), March invites a variety of weather conditions—from lingering frost to glimpses of sunny skies. This notable shift not only hints at the melting of snow but also sets the stage for the milder and more vibrant months ahead. As daylight increases, residents and visitors alike can savor the last whispers of winter, while eagerly anticipating the rejuvenation that April will bring.
In March, Naantali experiences a moderate precipitation amount of 44 mm (1.7 in), falling on approximately 9 days throughout the month. This marks a slight dip from February's 42 mm, though it remains consistent with January's figures. As winter transitions to spring, the precipitation begins to taper off compared to the heavier downpours anticipated in the summer months. Notably, March acts as a bridge between the chill of winter and the warmth of spring, suggesting a potential shift in weather patterns as the year progresses towards the lush conditions typical of July and August. With equalization in precipitation days, March exemplifies a stable yet dynamic stage, setting the tone for the wetter months ahead.
March in Naantali, Finland, brings a slight decline in humidity, with levels averaging 89%. This marks the third consecutive month of decreasing moisture, following January's peak at 92% and February's 90%. As the chill of winter begins to subside, the drop suggests the onset of spring, preparing the atmosphere for the gradual warming seen in the upcoming months. April continues this trend with even lower humidity at 85%, hinting at a transition towards a drier climate as the days lengthen and temperatures rise. The pattern of humidity levels in Naantali illustrates a natural ebb and flow, with spring opening the door to more favorable weather conditions.
As March arrives in Naantali, Finland, the UV Index sees a notable shift, rising to 3, indicating a moderate exposure level. This change signifies a transition from the consistently low UV levels of winter—where January and February recorded an Index of 1—to a more vibrant spring atmosphere. With an estimated burn time of 30 minutes, it's essential for residents and visitors to begin taking sun safety precautions, especially as the index will continue to climb in the following months. The trend suggests that as we move towards April and May, the UV Index will elevate further, underscoring the importance of being sun-aware. For more detailed information, you can check the Naantali UV Index.
UV Risk Categories
March in Naantali, Finland, heralds the arrival of longer, sunnier days, with 278 hours of sunshine—a significant leap from 158 hours in February. As winter gradually releases its grip, the increase in daylight not only brightens the landscape but also uplifts the spirits of residents and visitors alike. This surge of sunlight paves the way for even brighter months ahead, with April promising 374 hours and May following suit with 458 hours. The trend shows a steady climb in sunny days as spring unfolds, signaling the vibrant life that blossoms in this charming coastal town.
In Naantali, Finland, March marks a notable shift in the likelihood of sunny weather, with a 37% chance of sunshine—an increase from the chilly depths of winter. This upward trend continues into April, reaching 52%, indicating that spring is on the horizon and daylight hours are expanding. Interestingly, while May dips slightly to 33%, the months that follow reveal a promising pattern, with June and July boasting the highest chances of sun at 56% and 57%, respectively. As the year progresses, it becomes clear that March serves as a pivotal moment in the transition from winter gloom to the brighter, cheerier months of the year, hinting at the vibrant spring days to come.
As March arrives in Naantali, Finland, daylight begins to noticeably extend, providing 11 hours of sunlight—a significant increase compared to the 9 hours in February. This gradual transition into spring marks a turning point, as daylight durations will continue to blossom, peaking in the summer months with 18 hours in both June and July. The lengthening days not only herald warmer weather but also serve as a reminder of nature's awakening, encouraging residents to embrace outdoor activities while soaking up the returning sunshine. Following the bright days of March, April brings even more light, setting the stage for a vibrant and lively spring ahead.
March in Naantali, Finland, brings a refreshing shift in the air, as the average wind speed rises to 4.5 m/s (10 mph), marking the month as one of the breeziest in early spring. This increase from February’s gentle 3.7 m/s (8 mph) heralds a transition towards milder weather, showcasing nature's awakening after winter. As the wind continues to dance through the charming coastal town, it's a reminder of the dynamic climatic shifts leading into April, where winds slightly ease to 4.1 m/s (9 mph). Notably, March stands out as a pivotal moment in the seasonal landscape, not only for its brisk winds but also as a precursor to the warmer, more temperate months ahead. This invigorating breeze ushers in a sense of renewal, captivating both residents and visitors alike.
Weather in Naantali varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Naantali, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of March and January, March tends to show a slight warming trend, with average temperatures rising to 0°C (32°F) compared to January's average of -2°C (29°F). Although both months experience similar minimum temperatures, January records a slightly lower minimum of -21°C (-6°F) versus March's -23°C (-9°F). Precipitation amounts are somewhat comparable, with March receiving 44 mm (1.7 in) over 9 days, slightly less than January's 48 mm (1.9 in) over the same number of days. Humidity remains high in both months, at 89% in March and 92% in January, indicating a persistently moist atmosphere. For more detailed weather insights specifically for January, visit Naantali weather in January.
In comparing the weather of March and February, it is evident that March experiences a slight increase in temperatures, with averages hovering around 0°C (32°F), while February maintains a colder average of -3°C (27°F). The minimum temperatures in both months are quite similar, with February dipping to -20°C (-4°F) and March to -23°C (-9°F). Precipitation levels remain comparable, with March registering 44 mm (1.7 in) over 9 days, just slightly higher than February's 42 mm (1.7 in) over 8 days. Additionally, humidity levels are consistent but marginally lower in March at 89% compared to February’s 90%. For a closer look at February weather specifics, you can check Naantali weather in February.
March and April display a notable transition in weather conditions. In March, temperatures range from a chilly minimum of -23°C (-9°F) to a maximum of 11°C (52°F), with an average hovering around the freezing point at 0°C (32°F). The month experiences about 44 mm (1.7 inches) of precipitation over nine days, coupled with high humidity at 89%. In contrast, April brings milder temperatures, with a minimum of -9°C (16°F) and a maximum soaring to 21°C (70°F), resulting in a more pleasant average of 4°C (39°F). Precipitation decreases slightly to 32 mm (1.3 inches) over the same number of days, while humidity seeps just below March’s levels at 85%. For more details on weather patterns in April, check out Naantali weather in April.
March and May showcase distinct contrasts in weather patterns. In March, temperatures range from a frigid minimum of -23°C (-9°F) to a mild maximum of 11°C (52°F), with an average hovering around freezing at 0°C (32°F). The month sees about 44 mm (1.7 in) of precipitation over 9 days and a high humidity level of 89%. Conversely, May brings a notable rise in temperatures, with a minimum of -4°C (26°F) and a pleasant maximum of 26°C (79°F), leading to an average temperature of 10°C (49°F). Similar to March, May also records 44 mm (1.7 in) of precipitation across 9 days, but the humidity decreases to 77%. For a closer look at weather during this month, you can check out Naantali weather in May.
March and June present a stark contrast in weather conditions. In March, temperatures range from a biting -23°C (-9°F) to a more temperate 11°C (52°F), with an average of around 0°C (32°F). The month is characterized by high humidity at 89% and a noticeable amount of precipitation, totaling 44mm over approximately 9 days. Conversely, June basks in warmer conditions, with temperatures varying from a mild 3°C (38°F) to a comfortable 28°C (83°F) and an average of 16°C (61°F). Precipitation in June is slightly lower at 43mm but occurs over fewer days, with the humidity easing to 78%. This transformation from the cold grip of March to the warm embrace of June is evident in many regions, including Naantali weather in June.
March and July present starkly contrasting weather conditions. In March, temperatures can plunge as low as -23°C (-9°F), with an average around 0°C (32°F) and a maximum of 11°C (52°F), creating a chill in the air. This month also experiences significant humidity at 89%, accompanied by 44 mm (1.7 in) of precipitation over about 9 days. In contrast, July boasts much milder temperatures, ranging from a minimum of 6°C (44°F) to a warm average of 18°C (64°F) and highs peaking at 31°C (89°F). While July sees increased precipitation at 75 mm (3.0 in) over 11 days, the humidity is notably lower at 78%. For more details on July's weather, visit Naantali weather in July.
The weather in March is characterized by cold temperatures, with minimums reaching as low as -23°C (-9°F) and an average around 0°C (32°F), while August offers a much warmer climate, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 28°C (83°F) and an average of 17°C (62°F). In March, precipitation is relatively low at 44 mm (1.7 in) over 9 days, whereas August experiences nearly double the rainfall at 87 mm (3.4 in) spread across 14 days, indicating a more humid and wet climate. Overall, March's weather is dominated by a chilly atmosphere and high humidity of 89%, while August features a more pleasant warmth with lower humidity levels of 79%. For more specific details on the August climate in the region, you can explore Naantali weather in August.
March and September present quite contrasting weather patterns. In March, temperatures can drop as low as -23°C (-9°F), with an average of around 0°C (32°F) and a maximum reaching 11°C (52°F). The month experiences significant humidity at 89% and sees about 44 mm (1.7 in) of precipitation over 9 days. In sharp contrast, September offers a much milder climate, with minimum temperatures around -1°C (31°F), an average of 12°C (54°F), and highs reaching 23°C (73°F). Precipitation increases to 72 mm (2.8 in) across 12 days, with slightly less humidity at 86%. For a detailed look at weather in September, visit Naantali weather in September.
In comparing the weather of March and October, notable differences emerge in temperature and precipitation. March typically sees temperatures ranging from a chilly -23°C (-9°F) to a mild 11°C (52°F), with an average around freezing point at 0°C (32°F). In contrast, October experiences milder temperatures, with a minimum of -5°C (23°F) and a maximum of 17°C (62°F), averaging 7°C (46°F). Furthermore, October is characterized by higher precipitation levels, totaling 86 mm (3.4 in) over 17 days, compared to March's 44 mm (1.7 in) over just 9 days. Humidity levels are also slightly elevated in October, reaching 90% as opposed to March's 89%. For more detailed weather insights, check out Naantali weather in October.
March and November present distinct weather characteristics, showcasing the transition between winter and late autumn. In March, temperatures can plunge as low as -23°C (-9°F), but typically hover around an average of 0°C (32°F), with daytime highs reaching up to 11°C (52°F). The month sees around 44 mm (1.7 in) of precipitation over roughly 9 days, accompanied by an humidity level of 89%. In contrast, November offers milder conditions with minimum temperatures rarely dropping below -8°C (17°F) and an average of 4°C (39°F). The maximums during this month are slightly higher, peaking at 13°C (56°F), while experiencing increased precipitation at 59 mm (2.3 in) over approximately 12 days, with humidity slightly elevated at 91%. For more specific insights into November weather, check out Naantali weather in November.
In comparing the weather of March and December, both months experience freezing temperatures, with March typically showcasing a slightly wider range: temperatures ranging from a minimum of -23°C (-9°F) to a maximum of 11°C (52°F), contrasted with December's range of -18°C (-1°F) to 7°C (45°F). Precipitation levels are markedly higher in December, with an average of 79 mm (3.1 in) spread over 15 days, compared to March's 44 mm (1.7 in) over just 9 days. Interestingly, both months share the same humidity level of 89%, giving them a similar atmospheric feel despite the differences in temperature and precipitation patterns. For a closer look at December weather specifics, you can find additional details here: Naantali weather in December.
As March unfolds in Naantali, it presents a unique transition from the biting cold of winter to the budding warmth of spring. Unlike the deep freeze of January and February, March experiences a mild yet fluctuating temperature range, with occasional daytime highs that bring a hint of comfort. However, the lingering chill can still be felt with nighttime lows dipping significantly. Rainfall is not uncommon, with several damp days marking the month, contributing to an overall humidity that hovers around a notable 89%. This mix of weather encourages the harbingers of spring to emerge, making March a fascinating precursor to the vibrant months ahead. For more detailed insights on when to visit and what to expect, check out the Naantali Climate.