Last updated: February 24, 2025
In May, Friday Harbor, United States, experiences a pleasant transition into spring, with temperatures peaking at a maximum of 18°C (64°F) and an average of 11°C (52°F), while dipping to a minimum of 6°C (44°F). The month is characterized by a notable humidity level of 81%, contributing to a slightly damp atmosphere. With 39 mm (1.5 in) of precipitation spread over 7 days, residents and visitors can expect brief showers interspersed with sunny spells, making it an ideal time for outdoor exploration amid blossoming landscapes.
In May, Friday Harbor begins to shake off the chill of winter, welcoming temperatures that herald the arrival of warmer days. With minimums rising to 6°C (44°F) and average temperatures reaching 11°C (52°F), this month offers a delightful transition as the landscape flourishes. The maximums peak at 18°C (64°F), promising ample opportunities for outdoor adventures under the soft spring sun. This steady increase in warmth from the cooler early months indicates a clear trend towards summer, inviting both locals and visitors to revel in the vibrant natural beauty and recreational offerings of this stunning locale.
In Friday Harbor, May marks a notable shift in precipitation patterns, with rainfall dipping to 39 mm (1.5 in) over just 7 days, making it one of the driest months of the year. This decrease follows a downward trend from April's 65 mm and sets the stage for the even lighter precipitation that typically characterizes June and July. As spring gives way to summer, the frequency of rain diminishes significantly, reducing outdoor disruptions and allowing for more sunshine-filled days. The lower precipitation levels in May not only indicate a change in weather but also pave the way for enjoyable outdoor activities as the region transitions into its warmer months.
In Friday Harbor, the humidity trends throughout the year reveal a notable decrease as spring transitions into summer. May sees a dip to 81% humidity, marking a refreshing shift from the consistently high levels of 86% recorded in the earlier months. This reduction sets the stage for a gradual decline, continuing through the summer, with August reaching its lowest point at 77%. The pattern suggests that while the winter months envelop the area in moisture, the arrival of warmer weather in late spring brings a welcomed, albeit brief, reprieve from the higher humidity, highlighting the region's seasonal variability.
As May arrives in Friday Harbor, residents experience a noticeable surge in UV intensity, with the UV Index reaching a significant 8—indicating a very high exposure category. This is a stark leap from the moderate levels seen in earlier spring months like March and April. Consequently, outdoor enthusiasts should be particularly vigilant during this time, as the burn time is drastically reduced to just 15 minutes. This trend of increasing UV exposure persists into June and July, reflecting a typical seasonal pattern where the strength of the sun's rays peaks in the late spring and summer months. To stay informed about the UV conditions and protect your skin, be sure to check the detailed forecast at Friday Harbor UV Index.
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May is a particularly illuminating month in Friday Harbor, boasting an impressive 339 sunshine hours, which marks a vivid leap from the preceding months. After witnessing a consistent uptick in sunshine from just 87 hours in January to 246 hours in April, May unveils its radiant potential, paving the way for a sun-soaked June with 353 hours. This upward trend highlights the island's transition into summer, where bright days become the norm and outdoor activities thrive. As the seasons progress, the sun continues to shine brightly, peaking in July with a remarkable 390 hours before gradually tapering off in the late summer and fall months. Overall, May serves as a vibrant harbinger of the abundance of sunshine that characterizes the summer months in this picturesque locale.
In Friday Harbor, the likelihood of enjoying sunny weather sees a significant uptick as spring transitions into summer. January starts the year with just a 21% chance of sun, gradually climbing to 29% in February and 34% in March. The arrival of April marks a notable shift, with the sunshine probability rising to 55%. By May, the chance of sun stands at 46%, slightly lower than April but indicative of a trend towards brighter days. As the season progresses into June and July, the sun becomes a more consistent companion, peaking at 77% in July. This upward trajectory underscores May as a pivotal month where the warmth and light of summer begins to beckon, setting the stage for the sun-soaked days ahead.
As the year unfolds in Friday Harbor, the days grow brighter, culminating in May, where the sun graces the sky for a generous 15 hours. This month marks a significant leap from April's 13 hours, showcasing spring's vibrant transition towards summer. Following this upward trend, June reaches its peak with 16 hours of daylight, inviting longer days filled with outdoor activities. Interestingly, the sunlight begins to wane after July, with hours gradually decreasing until they settle back at 8 hours by December. This rhythmic ebb and flow of daylight not only enhances the beauty of each season but also influences the rhythm of life in this picturesque locale.
In Friday Harbor, May brings a gentle breeze with an average wind speed of 4.0 m/s (9 mph), marking one of the calmer months of the year. This slight dip in wind from the stronger gusts of January and February (averaging 6.3 m/s and 6.4 m/s respectively) is indicative of the transition into warmer spring weather. As the spring unfolds, wind speeds gradually decline, reaching their lowest in April before beginning a slow ascent again in June and July. Notably, while the winds in May are softer, they contribute to the idyllic charm of the coastal landscape, making it an inviting time for outdoor activities. Overall, the wind trends in Friday Harbor reflect a rhythmic ebb and flow, creating a serene environment that perfectly complements the blossoming beauty of spring.
The weather in Friday Harbor changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May'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 between May and January, it is clear that January is significantly colder with average temperatures around 7°C (44°F) compared to May's more temperate 11°C (52°F). While May enjoys milder conditions with maximum temperatures reaching up to 18°C (64°F), January's temperatures peak at just 11°C (52°F). Additionally, January experiences much higher precipitation levels at 143 mm (5.6 in) over 16 days, contrasting with May's 39 mm (1.5 in) of rainfall spread over 7 days. Humidity levels are also notably higher in January at 86%, compared to 81% in May. For a detailed look at January weather, visit Friday Harbor weather in January.
In comparing the weather between May and February, it's clear that May offers a milder climate with temperatures ranging from a low of 6°C (44°F) to a high of 18°C (64°F) and an average of 11°C (52°F). Additionally, May experiences significantly less precipitation, totaling 39 mm (1.5 in) over about 7 days, and a humidity level of 81%. In contrast, February is much colder, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 11°C (52°F), averaging 6°C (42°F). Moreover, February sees much heavier rainfall, totaling 126 mm (5.0 in) across 17 days, and slightly higher humidity at 85%. For more detailed insights, you can check the Friday Harbor weather in February.
Comparing the weather in March and May reveals notable differences in temperature and precipitation patterns. In May, temperatures range from a minimum of 6°C (44°F) to a maximum of 18°C (64°F) with an average of 11°C (52°F), while March sees 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). Additionally, May experiences less precipitation at 39 mm (1.5 in) over 7 days, compared to March's 84 mm (3.3 in) over 14 days. Humidity levels are slightly lower in May at 81%, compared to March's higher humidity of 86%. For more insights, you can refer to Friday Harbor weather in March.
In comparing the weather of April and May, we see some notable differences. April experiences slightly cooler temperatures, with an average of 9°C (48°F) compared to May's warmer average of 11°C (52°F). Additionally, April tends to be wetter, with a higher precipitation total of 65 mm (2.6 in) over 13 days, while May has 39 mm (1.5 in) of rain across only 7 days. Humidity levels are also marginally higher in April at 86%, compared to 81% in May. For more insights into the weather patterns, you can check out Friday Harbor weather in April.
In May, temperatures typically range from a minimum of 6°C (44°F) to a maximum of 18°C (64°F), with an average of 11°C (52°F). The month sees about 39 mm (1.5 in) of precipitation over approximately 7 days and maintains a relatively high humidity of 81%. In contrast, June experiences slightly warmer temperatures, with a minimum of 10°C (49°F), an average of 13°C (55°F), and a maximum of 20°C (69°F). Precipitation decreases to 32 mm (1.3 in) over just 6 days, while humidity remains marginally higher at 83%. For a detailed look at what to expect, you can check out Friday Harbor weather in June.
In comparing the weather between May and July, it is evident that July tends to be milder and drier. May experiences a broader temperature range with a minimum of 6°C (44°F) and a maximum of 18°C (64°F), while July has a cooler minimum of 11°C (52°F) and a slightly higher maximum of 20°C (68°F). Precipitation also shows a significant difference, with May receiving 39 mm (1.5 in) over 7 days, compared to just 16 mm (0.6 in) over 3 days in July. Humidity levels are fairly similar, with May at 81% and July slightly higher at 84%, which may contribute to a warmer feel during the summer month. For a more detailed look at July conditions, visit Friday Harbor weather in July.
The weather in May and August shows distinct differences in temperature and precipitation patterns. In May, temperatures range from a minimum of 6°C (44°F) to a maximum of 18°C (64°F), with an average of 11°C (52°F). The month experiences more rainfall, totaling 39 mm (1.5 in) over 7 days, and a higher humidity level of 81%. In contrast, August offers 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). Additionally, August sees significantly less precipitation, only 15 mm (0.6 in) over just 3 days, paired with slightly lower humidity at 77%. For more specific details on August weather, check out Friday Harbor weather in August.
In comparing the weather of May and September, we see a notable shift in temperature and precipitation patterns. May typically features a cooler range, with minimum temperatures around 6°C (44°F) and averages of 11°C (52°F), whereas September enjoys milder conditions, starting at a minimum of 11°C (51°F) and averaging 13°C (57°F). Additionally, while May experiences lower precipitation levels at 39 mm (1.5 in) over 7 days, September sees a rise to 68 mm (2.7 in) over 9 days, indicating a wetter month. Interestingly, humidity is slightly higher in May at 81%, compared to September's 76%. For more detailed information on September weather conditions, visit Friday Harbor weather in September.
May and October present notable differences in weather, despite having similar average temperatures of 11°C (52°F). In May, temperatures range from a mild 6°C (44°F) to a pleasant 18°C (64°F), accompanied by relatively low precipitation of 39 mm (1.5 in) over about 7 days. In contrast, October experiences cooler maximum temperatures of 15°C (60°F) and a significant increase in precipitation, totaling 128 mm (5.1 in) across 15 days, along with higher humidity levels at 88%. This shift from May's relatively dry and warmer conditions to October's wetter and cooler climate marks a transition in the seasonal weather patterns. For more information, you can check the Friday Harbor weather in October.
May and November exhibit notable differences in weather patterns. May tends to be milder, with average temperatures ranging from a minimum of 6°C (44°F) to a maximum of 18°C (64°F), while November sees lower averages, with highs around 13°C (56°F) and lows dipping to 4°C (39°F). Precipitation is also significantly higher in November, totaling 194 mm (7.6 in) over 19 days, compared to May's 39 mm (1.5 in) spread over just 7 days. Additionally, November's higher humidity of 87% contrasts with May's more comfortable 81%. For more insights into November's weather, you can visit Friday Harbor weather in November.
May and December in Friday Harbor showcase striking differences in weather patterns. In May, temperatures range from a minimum of 6°C (44°F) to a maximum of 18°C (64°F), with an average of 11°C (52°F). The month sees relatively low precipitation at 39 mm (1.5 in) over about 7 days, and humidity levels hover around 81%. In contrast, December experiences much colder conditions, with temperatures dipping as low as -7°C (20°F) and averaging 7°C (45°F) with a maximum of 12°C (54°F). This month also brings significantly more precipitation, totaling 161 mm (6.3 in) over 18 days, alongside higher humidity at 87%. For more details, you can check Friday Harbor weather in December.
As May unfolds in Friday Harbor, the weather begins to shift, offering a delightful transition into warmer days. With maximum temperatures rising to 18°C (64°F) and an average hovering around 11°C (52°F), it's a welcome change from the chill of earlier months. Though precipitation remains a factor with around 39 mm (1.5 inches) spread over 7 days, the lush greenery thrives, painting the landscape in vibrant hues. The humidity levels at 81% add a soft warmth, making May a month of budding beauty and emerging life. For those curious about the broader climate trends in this picturesque locale, more information can be found at Friday Harbor Climate.