Last updated: February 24, 2025
March weather in Friday Harbor, United States, presents a cool maritime climate, with maximum temperatures reaching around 12°C (55°F) and an average of 7°C (45°F). The minimum temperatures can drop to 2°C (35°F), creating a brisk atmosphere. Over the month, residents and visitors can expect significant moisture, with a total precipitation amount of 84 mm (3.3 in) spread over 14 rainy days. This results in a notably high humidity level of 86%, contributing to the region's lush greenery and inviting charm during early spring.
In March, Friday Harbor begins to shake off the chill of winter, revealing a gentle transition towards spring. With minimum temperatures rising to 2°C (35°F) and a pleasant average of 7°C (45°F), residents and visitors alike can expect milder days; the maximum reaching around 12°C (55°F) provides a refreshing reprieve from the colder months. While February showed similar averages, the slight uptick in minimum temperatures heralds the awakening of nature, making it an ideal time for locals to embrace outdoor activities as the landscape gradually transforms. As the month progresses, optimism grows with the promise of warmer days ahead, setting the stage for a vibrant April.
In March, Friday Harbor experiences a noticeable shift in precipitation, receiving 84 mm (3.3 in) of rain over 14 days, a significant decrease from the wetter winter months of January and February. This decline marks a transition towards drier spring conditions, as both April and May see even less rainfall, measuring 65 mm (2.6 in) and 39 mm (1.5 in) respectively. Despite the decrease, March remains an essential bridge between the heavy rains of winter and the sunnier days ahead, hinting at the gradual warming and blooming that spring brings. As the year progresses, the overall trend of diminishing precipitation suggests a shift towards shorter, drier months, making March a pivotal point in Friday Harbor's annual climate cycle.
In March, Friday Harbor experiences a consistent humidity level of 86%, mirroring the trends seen in both January and February. This steady humidity indicates a transitional phase in the region's climate as it shifts from winter to spring. Following March, humidity dips slightly in May to 81%, suggesting a gradual drying out as temperatures begin to rise. However, throughout the summer months, humidity remains relatively stable, hovering between 77% and 84%. As the year progresses, a noticeable spike occurs in October and November, with humidity levels returning to a more pronounced 87-88% range, signaling the onset of fall and winter's dampness in this picturesque locale. Overall, the humidity patterns reflect a rhythm in Friday Harbor’s climate, ebbing and flowing with the seasons while maintaining a generally moist atmosphere.
As March unfolds in Friday Harbor, the UV Index rises to 5, indicating a moderate level of sun exposure that can lead to skin damage with prolonged exposure. With a burn time of 30 minutes, it's essential to be mindful of sun protection, particularly as the season transitions to warmer months. This increase from February's UV Index of 3 signals the approach of spring, followed by an even steeper rise in April to 6, stepping into the high exposure category. Observing these trends highlights the importance of adjusting sun safety practices as the UV Index climbs throughout the year. For more details, visit Friday Harbor UV Index.
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March brings a notable uptick in sunshine hours to Friday Harbor, with a delightful 216 hours basking in sunlight, marking a significant leap from 150 hours in February. This increase heralds the arrival of spring, as the days grow longer and brighter, inviting residents to revel in the outdoors. The trend continues into April, where sunshine peaks further at 246 hours, showcasing the region's transition into a vibrant season. As spring unfolds, Friday Harbor emerges from the grip of winter, with each sunny hour promising more warmth and brighter days ahead, setting the stage for the even sunnier months of May and June. The consistent rise in daylight emphasizes the charm of Friday Harbor's climate, making March a celebrated precursor to the summer splendor that follows.
As March unfolds in Friday Harbor, the prospects for sunny weather begin to brighten, with a 34% chance of sunshine marking a significant increase from the previous months. This upward trend is a welcome shift from the cold dreariness of winter, where January and February bathe in just 21% and 29% sunlight, respectively. The arrival of spring heralds a gradual transition towards sunnier days, paving the way for April's 55% likelihood of clear skies. This encouraging pattern not only invigorates the local ambiance but also invites residents and visitors alike to embrace outdoor activities in the heart of this picturesque coastal town.
As March unfolds in Friday Harbor, daylight duration begins its promising ascent, with 11 hours of light gracing the island each day. This gradual increase marks a significant shift from the winter months, where January offered only 8 hours of daylight. February brings a slight uptick to 10 hours, but it’s in March that the days noticeably start to lengthen, heralding the arrival of spring. Following March, April continues this positive trend, with daylight increasing to 13 hours. This rhythm of extending daylight peaks in June at 16 hours before tapering off again into the shorter days of autumn. The progression from January through March not only illuminates the natural cycle of the seasons but also infuses a sense of renewal and optimism for the warmer months ahead.
As March sweeps into Friday Harbor, the winds begin to soften, with an average speed of 4.9 m/s (11 mph)—a noticeable dip from the brisk gusts of previous months. This shift marks the start of a gradual decline in wind intensity as spring approaches. Following January and February, both averaging 6.3 m/s and 6.4 m/s, respectively, March serves as a gentle transition, hinting at the calmer breezes that characterize the coming months. A continued decrease is observed into April, which drops further to 3.9 m/s (9 mph), setting the stage for the more tranquil summer winds. This trend not only reflects the changing seasons but also invites residents and visitors alike to embrace the serene beauty of springtime in this picturesque coastal town.
The weather in Friday Harbor changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of March's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Friday Harbor and find detailed weather information for every month.
In comparing the weather of March and January, it is clear that March generally enjoys milder temperatures, with minimums around 2°C (35°F) and maximums reaching 12°C (55°F), whereas January experiences colder conditions, with minimum temperatures dipping to -3°C (27°F) and maximums only slightly higher at 11°C (52°F). While March has an average temperature that feels more comfortable at 7°C (45°F), January has the same average but feels colder due to its lower minimum temperature. Precipitation levels also vary, with January seeing more rainfall at 143 mm (5.6 in) over 16 days compared to March's 84 mm (3.3 in) over 14 days. Interestingly, despite the temperature differences, both months share the same humidity level of 86%. For more detailed information about January weather, you can check out Friday Harbor weather in January.
Comparing the weather of March and February reveals some notable differences. March brings milder temperatures with a minimum of 2°C (35°F) and an average of 7°C (45°F), while February experiences cooler conditions with a minimum of -3°C (27°F) but a similar average of 6°C (42°F). Although February has higher precipitation at 126 mm (5.0 in) over 17 days, March still sees significant rainfall with 84 mm (3.3 in) over 14 days. Humidity remains consistent between the two months, with March at 86% and February slightly lower at 85%. For a more detailed look at February's weather, visit Friday Harbor weather in February.
In comparison to March, April experiences slightly warmer temperatures with minimums around 4°C (39°F) and average highs reaching 14°C (57°F), while March's temperatures range from a minimum of 2°C (35°F) to a maximum of 12°C (55°F). Precipitation also decreases in April, totaling 65 mm (2.6 in) over 13 days, compared to March's 84 mm (3.3 in) over 14 days. Humidity remains consistent at 86% in both months, providing a similar level of dampness in the air. For more detailed insights, you can check Friday Harbor weather in April.
In March, the weather tends to be cooler and wetter, with average temperatures ranging from a minimum of 2°C (35°F) to a maximum of 12°C (55°F) and a notable 84 mm (3.3 in) of precipitation spread over 14 days. The humidity is relatively high at 86%, contributing to a brisk atmosphere. In contrast, May brings milder temperatures, with lows of 6°C (44°F) and highs reaching 18°C (64°F). Precipitation decreases significantly to 39 mm (1.5 in) over just 7 days, and humidity drops slightly to 81%. For a closer look at the weather in May, you can visit Friday Harbor weather in May.
March and June present quite a contrast in weather conditions. In March, temperatures range from a chilly minimum of 2°C (35°F) to a pleasant maximum of 12°C (55°F), with an average of 7°C (45°F). The month is marked by significant precipitation, totaling 84 mm (3.3 in) over 14 days, while humidity levels remain relatively high at 86%. In stark contrast, June offers milder weather with temperatures fluctuating between a minimum of 10°C (49°F) and a maximum of 20°C (69°F), averaging around 13°C (55°F). Rainfall is considerably less, with only 32 mm (1.3 in) over just 6 days, and humidity slightly lower at 83%. For more detailed insights, you can explore Friday Harbor weather in June.
In March, the weather is quite cool, with average temperatures ranging from a chilly 2°C (35°F) at night to a maximum of 12°C (55°F) during the day. This month often sees a significant amount of rainfall, averaging 84 mm (3.3 in) over approximately 14 days, accompanied by high humidity levels of 86%. In contrast, July offers much warmer conditions, with temperatures typically ranging from a minimum of 11°C (52°F) at night to a comfortable average high of 20°C (68°F) during the day. Rainfall is significantly reduced in July, with only about 16 mm (0.6 in) spread over just 3 days, and humidity slightly lower at 84%. This stark contrast between March and July highlights the transition from the damp, cool early spring to a more pleasant and drier summer climate. For more details, check out Friday Harbor weather in July.
March and August exhibit distinct differences in weather patterns. In March, temperatures are generally cooler, ranging from a minimum of 2°C (35°F) to a maximum of 12°C (55°F), with an average of 7°C (45°F). The month is also quite wet, with 84 mm (3.3 in) of precipitation falling over 14 days, and humidity levels are high at 86%. In contrast, August brings warmer temperatures, with a minimum of 12°C (55°F), an average of 15°C (59°F), and a maximum of 20°C (69°F). Precipitation is significantly lower, totaling only 15 mm (0.6 in) over just 3 days, and humidity decreases to 77%. For more details on weather trends, you can visit Friday Harbor weather in August.
March and September present contrasting weather patterns as winter transitions to spring and summer gives way to fall. In March, temperatures range from a chilly 2°C (35°F) to a maximum of 12°C (55°F), with an average of 7°C (45°F). The month is marked by higher precipitation, with 84 mm (3.3 in) spread over 14 days, contributing to a humid atmosphere with an average humidity of 86%. In contrast, September welcomes milder conditions, with temperatures starting at a minimum of 11°C (51°F) and peaking at 20°C (68°F), averaging around 13°C (57°F). Precipitation decreases to 68 mm (2.7 in) over 9 days, and humidity drops to a more comfortable 76%. For a deeper understanding of the climate in September, you can check out Friday Harbor weather in September.
March and October showcase a gradual transition in weather patterns, with both months characterized by cool temperatures and considerable precipitation. In March, temperatures range from a chilly 2°C (35°F) at night to a mild 12°C (55°F) during the day, accompanied by about 84 mm (3.3 in) of rain over 14 days. The humidity hovers around 86%, contributing to a damp feel. In contrast, October experiences slightly warmer temperatures, with a minimum of 5°C (41°F) and a maximum of 15°C (60°F), while the precipitation increases to 128 mm (5.1 in) over 15 days, reflecting the onset of fall. Humidity rises marginally to 88%, giving October a similar yet slightly more intense feel than March. For more detailed insights about the weather in October, you can check Friday Harbor weather in October.
March and November present a transition in weather patterns, with March typically experiencing slightly cooler temperatures, ranging from a minimum of 2°C (35°F) to a maximum of 12°C (55°F), and an average of 7°C (45°F). In contrast, November tends to be a bit milder, with temperatures fluctuating between 4°C (39°F) and 13°C (56°F), averaging around 9°C (48°F). Precipitation levels also differ significantly; March sees about 84 mm (3.3 in) of rain over approximately 14 days, while November is much wetter, with 194 mm (7.6 in) falling over roughly 19 days. Humidity levels are relatively similar during both months, hovering around 86% in March and 87% in November. For a detailed look at November’s conditions, you can check out Friday Harbor weather in November.
When comparing the weather in March and December, we see distinct differences in temperature and precipitation. March experiences milder temperatures, with a minimum of 2°C (35°F) and an average of 7°C (45°F), while December is significantly cooler, with temperatures dipping as low as -7°C (20°F). Despite both months averaging a maximum of about 12°C (54°F), December surpasses March in terms of precipitation, receiving 161 mm (6.3 in) over 18 days compared to March's 84 mm (3.3 in) across 14 days. Humidity remains relatively similar in both months, with December at 87% and March at 86%. For a closer look at what to expect, check Friday Harbor weather in December.
As March unfolds in Friday Harbor, the weather begins to transition, revealing a blend of cool temperatures and increased moisture. While the scenery transforms with budding life, the cool average and occasional drops can still surprise those eager for spring's arrival. Notably, this month brings a significant amount of precipitation over several days, reminding residents and visitors alike of the region's lush environment. With humidity levels remaining relatively high, March serves as a reminder that although the chill lingers, brighter days are on the horizon. For a deeper understanding of how March compares to other months throughout the year, explore the detailed insights available in our Friday Harbor Climate page.