Last updated: February 24, 2025
Experience the January weather in Friday Harbor, Washington, where winter paints a chilly yet captivating landscape. With a maximum temperature peaking at 11°C (52°F) and an average of 7°C (44°F), the month offers a brisk atmosphere. Nights can be particularly cold, dipping to a minimum of -3°C (27°F). Rain is frequent this time of year, with 143 mm (5.6 in) of precipitation spread over 16 days, contributing to an 86% humidity level that blankets the harbor in a moody mist. Embrace the serene beauty of these wintry days as you explore the tranquility of this picturesque locale.
In January, Friday Harbor experiences a cool winter climate, with temperatures ranging from a brisk -3°C (27°F) to a mild 11°C (52°F). The average temperature hovers around 7°C (44°F), making it the perfect time for cozy indoor activities while the stunning natural scenery remains dusted with frost. As the months progress, a gradual warming trend emerges; by February, the temperatures remain similar, but the slight dip in the average to 6°C (42°F) hints at the lingering winter chill. Come March, the arrival of spring brings a subtle increase in warmth, with temperatures in the range of 2°C (35°F) to 12°C (55°F). This upward trend continues into April and May, where warmer days and blooming flowers replace the cold, showcasing the vibrant transition from winter's hold to spring's embrace. As the year unfolds, the broader average increases, with June and July offering temperatures that make for pleasant summer days, while January remains a reminder of the cooler days that precede the season of warmth.
In January, Friday Harbor experiences its wettest month of the year, with precipitation measuring a substantial 143 mm (5.6 in) over an average of 16 rainy days. This sets the stage for a gradual decline in rainfall as we progress into spring, with February not far behind at 126 mm (5.0 in). As winter transitions into warmer months, the precipitation diminishes significantly, dropping to a mere 39 mm (1.5 in) by May, accompanied by fewer rainy days. This trend continues into the summer months, highlighting July and August as the driest periods, each with only 16 mm (0.6 in) of rain. However, the cycle resets in fall, as October and November bring higher precipitation levels again, culminating in November's 194 mm (7.6 in), embracing the wetter climate characteristic of the region. Overall, January's heavy rain not only marks the beginning of a seasonal pattern but also showcases the typical maritime climate fluctuations of Friday Harbor.
In January, Friday Harbor experiences a high humidity level of 86%, setting the tone for a consistently damp winter. This high humidity persists into February and March, where it remains steady at 85% and 86% respectively. As April rolls around, the humidity holds firm at 86%, creating a cool and moist climate conducive to local flora. However, the onset of spring sees a gradual decline in humidity, reaching 81% by May before stabilizing around the low 80s throughout the summer months. As the year progresses, humidity levels dip further in August and September, hitting their lowest points at 77% and 76%. The transition into autumn brings a rising trend as humidity climbs back to 88% in October and remains elevated through the end of the year, with November and December both recording 87%. This cyclical pattern highlights Friday Harbor's moist climate, characterized by high humidity in the winter and a natural ebb during the summer months.
In January, Friday Harbor experiences a low UV Index of 2, allowing for a safer outdoor experience with a relatively long burn time of 45 minutes. As winter transitions into spring, the UV Index gradually rises; February sees it increase to 3, shifting the exposure category to moderate, and reducing the burn time to 30 minutes. By March, the Index climbs further to 5, indicating a continued rise in UV radiation, which reaches a high level of 6 in April. This upward trend peaks in the summer months, with May and June showcasing very high levels of UV exposure (UV Indexes of 8 and 9, respectively), and a minimized burn time of just 15 minutes. As the season progresses into late summer and early fall, there is a gradual decrease in UV intensity, culminating in November’s low UV Index of 2 and December’s index of 1, restoring longer outdoor safety with a burn time of 45 minutes. This clear progression underscores the importance of sun safety as residents and visitors prepare for varying UV exposure throughout the year. For more detailed UV data, visit Friday Harbor UV Index.
UV Risk Categories
In Friday Harbor, January marks the beginning of a vibrant transition as the sun begins to peek through winter clouds, with 87 hours of sunshine. As the months progress, the days grow increasingly brighter, reaching a notable 150 hours in February. By March, the sunny hours nearly double, climbing to 216 hours, paving the way for the full bloom of spring in April with 246 hours. This upward trend continues through late spring and summer, peaking in July with a glorious 390 hours of sunshine—perfect for outdoor activities and enjoying the natural beauty of the area. As summer wanes, there's a gentle tapering off, with August still providing 351 hours, before a gradual decline to 265 hours in September. The months of autumn see further reductions, with 130 hours in November and a cozy 101 hours in December, closing the year on a quieter note. Overall, the sunshine hours in Friday Harbor illustrate a captivating shift from winter's gloom to summer's embrace, inviting residents and visitors alike to revel in the changing seasons.
In Friday Harbor, the chances of enjoying sunny weather in January stand at a modest 21%, reflecting the lingering gloom of winter. As the year progresses, there’s a distinct upward trend in sunshine availability, with February rising to 29% and reaching 34% by March. This gradual improvement sets the stage for April and May, where the probability of sunny days climbs significantly to 55% and 46%, respectively. The shift becomes even more pronounced in the summer months, peaking with July at a robust 77%. However, as the seasons change, the likelihood of sunny days starts to wane again, dipping back to 20% in November and 21% in December. So, while January may offer limited sun, brighter days are certainly on the horizon!
In January, Friday Harbor experiences approximately 8 hours of daylight, a stark contrast to the approaching spring months. As February unfolds, daylight extends to 10 hours, gradually signaling the retreat of winter's grip. By the time March arrives, those hours increase to 11, and the rhythm of nature begins to awaken. This upward trend continues into April with 13 hours, leading into the vibrant days of May with 15 hours. Peak daylight is enjoyed in June, boasting an impressive 16 hours, before a gentle decline begins in July and August, where daylight recedes to 15 and 14 hours, respectively. The autumn months bring a gradual decrease, marking 12 hours in September, followed by 10 in October. As the year winds down, November sees 9 hours, ultimately circling back to 8 hours in December. This cyclical dance of daylight highlights the seasonal transitions, inviting residents to embrace the changing rhythms of the year.
January in Friday Harbor ushers in an invigorating breeze, with an average wind speed of 6.3 m/s (14 mph), setting the tone for the year's early months. This brisk start is consistent with February, where the winds pick up slightly, averaging 6.4 m/s. However, as spring approaches, there's a noticeable decrease; by March, winds drop to 4.9 m/s (11 mph), reaching their calmest point in late spring and early summer, with April and May averaging just 3.9 m/s (9 mph) and 4.0 m/s (9 mph), respectively. The gentle summer breezes maintain a steady presence, hovering around 4.3 m/s (10 mph) in July and June, before tapering off into the late summer and autumn months. As fall settles in, November and December see a resurgence in wind speed, peaking at 6.4 m/s (14 mph) and 6.7 m/s (15 mph), respectively, reminding residents of the island's dynamic weather patterns. Overall, January’s winds mark the beginning of a varied seasonal rhythm, gradually evolving as the year unfolds.
The weather in Friday Harbor changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January'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 January, the weather generally features temperatures ranging from a minimum of -3°C (27°F) to an average of 7°C (44°F), with a maximum reaching 11°C (52°F). During this month, residents can expect significant precipitation, totaling 143 mm (5.6 in) over 16 days, coupled with high humidity at 86%. By February, temperatures remain similar, with a minimum of -3°C (27°F) and an average of 6°C (42°F), while the maximum stays consistent at 11°C (52°F). Precipitation decreases slightly to 126 mm (5.0 in) over 17 days, and humidity remains just a touch lower at 85%. For a more detailed look at the weather trends, you can check out Friday Harbor weather in February.
In January, temperatures range from a minimum of -3°C (27°F) to a maximum of 11°C (52°F), with an average temperature of 7°C (44°F). This month typically experiences 143 mm (5.6 in) of precipitation over 16 days, coupled with high humidity at 86%. In contrast, March sees slightly warmer conditions, with minimum temperatures of 2°C (35°F) and maximums reaching 12°C (55°F), maintaining an average of 7°C (45°F). Precipitation decreases to 84 mm (3.3 in), occurring over 14 days, yet the humidity remains consistent at 86%. For a detailed overview of what to expect, you can check Friday Harbor weather in March.
January's weather is noticeably colder, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 11°C (52°F), and an average temperature of 7°C (44°F). In contrast, April sees a mild increase in temperatures, with lows around 4°C (39°F) and highs reaching 14°C (57°F), leading to a more comfortable average of 9°C (48°F). Precipitation is also significantly lower in April, with 65 mm (2.6 in) over 13 days compared to January's 143 mm (5.6 in) over 16 days, while humidity remains consistent at 86% for both months. For a closer look at April's climate conditions, check out Friday Harbor weather in April.
January weather is typically much colder and wetter compared to May. During January, temperatures range from a chilly minimum of -3°C (27°F) to a maximum of 11°C (52°F), with an average of 7°C (44°F). The month sees significant rainfall, accumulating to 143 mm (5.6 in) over 16 days, while humidity levels remain high at 86%. In contrast, May offers a milder climate, with temperatures starting at a minimum of 6°C (44°F) and peaking at 18°C (64°F), averaging 11°C (52°F). The precipitation in May is notably less, at 39 mm (1.5 in) over just 7 days, and humidity decreases slightly to 81%. For a detailed look at May weather, visit Friday Harbor weather in May.
The weather in January is notably colder and wetter compared to June, with minimum temperatures dipping to -3°C (27°F) and average temperatures around 7°C (44°F). In contrast, June enjoys milder conditions, with minimum temperatures rising to 10°C (49°F) and an average of 13°C (55°F), allowing for more pleasant outdoor activities. January also sees significantly higher precipitation, totaling 143 mm (5.6 in) over 16 days, while June experiences only 32 mm (1.3 in) across just 6 days. Humidity levels remain relatively similar, with January at 86% and June slightly lower at 83%. For more detailed information about the weather in June, you can check this link: Friday Harbor weather in June.
In January, the weather tends to be quite chilly, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 11°C (52°F), and an average of 7°C (44°F). This month also sees a significant amount of precipitation, totaling 143 mm (5.6 in) over 16 days, contributing to a high humidity level of 86%. In contrast, July experiences much milder conditions, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 20°C (68°F) and an average of 14°C (58°F). Precipitation drops dramatically to just 16 mm (0.6 in) over 3 days, and humidity decreases slightly to 84%. For a more detailed look at the summer weather, you can visit Friday Harbor weather in July.
When comparing the weather in January and August, there is a striking contrast in temperatures and precipitation levels. January experiences colder conditions, with average temperatures ranging from a minimum of -3°C (27°F) to a maximum of 11°C (52°F), while humidity levels are quite high at 86%. In contrast, August boasts milder temperatures, with averages between 12°C (55°F) and 20°C (69°F), accompanied by significantly lower precipitation of just 15 mm (0.6 in) over only 3 days. This results in a much more pleasant and dry atmosphere during the summer month. For more details, you can visit Friday Harbor weather in August.
In January, the weather is quite chilly, with average temperatures ranging from a low of -3°C (27°F) to a high of 11°C (52°F). This month also experiences significant precipitation, totaling 143 mm (5.6 in) over 16 days, and high humidity at 86%. In contrast, September brings much milder conditions, with temperatures ranging from a low of 11°C (51°F) to a comfortable high of 20°C (68°F). Precipitation decreases notably to 68 mm (2.7 in) over just 9 days, and humidity is lower at 76%. For more detailed information on the weather conditions during this month, you can visit Friday Harbor weather in September.
January and October present distinct weather patterns, reflecting the transition from winter to autumn. In January, temperatures are generally colder, with a minimum of -3°C (27°F) and an average of 7°C (44°F), while October sees warmer conditions, starting at a minimum of 5°C (41°F) and averaging 11°C (52°F). Precipitation levels are relatively similar, with January receiving 143 mm (5.6 in) over 16 days, compared to October's 128 mm (5.1 in) over 15 days. Humidity is quite high in both months, averaging 86% in January and slightly increasing to 88% in October. For more details on the October weather, you can visit Friday Harbor weather in October.
January and November exhibit distinct weather patterns, highlighting the transition from late autumn to winter. In January, temperatures range from a minimum of -3°C (27°F) to a maximum of 11°C (52°F), with an average of 7°C (44°F). Precipitation in January totals 143 mm (5.6 in), falling over 16 days, while humidity remains quite high at 86%. In contrast, November is slightly milder, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 13°C (56°F) and an average of 9°C (48°F). November also sees increased precipitation, accumulating 194 mm (7.6 in) over 19 days, and maintaining a humidity level of 87%. For more details on the weather specifics, you can check Friday Harbor weather in November.
January and December exhibit similar average temperatures, with January averaging around 7°C (44°F) and December slightly warmer at 7°C (45°F). However, December experiences colder minimum temperatures, dropping to -7°C (20°F) compared to January's -3°C (27°F). Precipitation levels are also noteworthy; December receives more rainfall, totaling 161 mm (6.3 in) over 18 days, while January sees 143 mm (5.6 in) across 16 days. Humidity remains quite high in both months, with January at 86% and December just slightly higher at 87%. For a more detailed look at December's weather, visit Friday Harbor weather in December.
As January settles in Friday Harbor, the weather delivers a stark contrast to the milder months that precede it. With cold temperatures and frequent precipitation, this month tends to be one of the chillier periods of the year, marked by significant humidity that can make the air feel even cooler. The typical gray skies and persistent moisture create a captivating, albeit brisk, atmosphere that sets the stage for the region's lush greenery come spring. While the damp days are many, they contribute to the stunning natural beauty for which Friday Harbor is renowned. For more insights into how January weather compares with other months throughout the year, visit Friday Harbor Climate.