May Weather in Snoqualmie, United States

Last updated: February 24, 2025

In Snoqualmie, United States, May brings a delightful mix of warmth and precipitation. Temperatures fluctuate with a maximum reaching 27°C (81°F) and a minimum dipping to 0°C (32°F), resulting in an average of 11°C (52°F). This month is characterized by substantial precipitation, totaling 106 mm (4.2 in) over 15 days, contributing to a rich, verdant landscape. The humidity averages a cozy 81%, wrapping the region in a lush, refreshing atmosphere that defines springtime in Snoqualmie.

May Temperature in Snoqualmie

In Snoqualmie, May heralds the arrival of warmer days, culminating in a delightful shift from the chill of winter. The month starts with overnight lows averaging around 0°C (32°F), but quickly evolves into a pleasant daytime climate with an average temperature of 11°C (52°F). By the end of the month, temperatures can reach a welcoming 27°C (81°F), showcasing a stark contrast to the earlier months. This progression reflects a clear trend of rising warmth, as May paves the way for summer, inviting both locals and visitors to embrace the outdoors amidst blooming landscapes. With May’s gradual transition from cold to comfortable, it's no wonder this month stands out as a turning point in Snoqualmie's yearly temperature cycle.

May Weather in Snoqualmie: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Snoqualmie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec353439455257616256464035
Data source: Temperature data for Snoqualmie generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Snoqualmie

In May, Snoqualmie experiences a noticeable decrease in precipitation compared to the earlier spring months, with only 106 mm (4.2 in) of rain falling over 15 days. This reduction marks a shift from the wetter months of January through April, where the region typically sees significant rainfall, with January peaking at 239 mm (9.4 in). By May, the rainfall begins to take on a more moderate character, paving the way for the drier summer months ahead. The transition is evident not only in the amount of rain but also in the number of rainy days, which drops as the region looks forward to sunnier skies. As Snoqualmie bids farewell to spring, this month serves as a turning point, setting the stage for the warm and picturesque summers that the area is known for.

May Precipitation Trends in Snoqualmie

The chart displays monthly precipitation patterns in Snoqualmie, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec239296182170106983829128250276284
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Snoqualmie

In May, Snoqualmie's humidity level rests at a comfortable 81%, marking a slight decrease from the wetter spring months of March and April, which averaged 87% and 84% respectively. This trend indicates a gradual transition towards the drier summer months, where humidity continues to decline, hitting its lowest at 63% in August. With June and July following closely behind at 82% and 79%, May serves as a pivotal point, showcasing the region's shift from the moist embrace of spring to the more arid conditions of summer. The overall pattern highlights Snoqualmie’s defining characteristic of high humidity during the winter and early spring, subtly giving way to a refreshing dryness that precedes the warmer months.

May Average Humidity in Snoqualmie

This chart illustrates the average monthly humidity levels in Snoqualmie, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%87%84%81%82%79%63%62%83%89%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Snoqualmie

As spring transitions into summer, the UV Index in Snoqualmie sees a remarkable surge in May, reaching a notable high of 9, categorized as very high. This sharp increase from the previous month's UV Index of 7 indicates that sun safety becomes increasingly essential, with a burn time reduced to just 15 minutes. May marks a turning point in the year as residents and visitors are encouraged to take extra precautions, embracing sun protection strategies to safeguard their skin. With consistent levels of 9 dominating the following months, it’s clear that high UV exposure becomes an ongoing trend throughout summer. For more detailed insights, feel free to check Snoqualmie UV Index.

Maximum UV Index Levels in Snoqualmie for May

The chart shows the monthly maximum UV Index (UVI) for Snoqualmie in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec236799997532
Data source: Snoqualmie May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Snoqualmie

As May rolls into Snoqualmie, the daylight begins to flourish, boasting 287 hours of sunshine—the peak of spring's brilliance. Following a steady increase from January’s 75 hours, each month has shown a progressive rise, with April bringing 224 hours as the days grow longer and warmer. May serves as a pivotal moment, bridging the vibrant spring with the sun-drenched summer ahead. This trend continues into June with 295 hours of sunshine, setting the stage for the sunniest months where July reaches a dazzling 357 hours. Residents and visitors alike can revel in this radiant transition, where each day promises more sunlight, inviting outdoor adventures and blooming landscapes.

Monthly Sunshine Duration in Snoqualmie: May Highlighted

The May sunshine duration represents the total number of hours Snoqualmie experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec75h100h179h224h287h295h357h326h247h167h104h81h
Data source: Snoqualmie May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Snoqualmie During May

In Snoqualmie, the likelihood of sunny weather takes a notable turn as we progress into spring and early summer. After a rather gloomy start to the year, with only a 16% chance in January and a mere 10% in February, April brings a refreshing 49% chance of sunshine. By May, this figure slightly dips to 33%, indicating a transitional period before the peak summer months. Interestingly, June sees a significant jump to 53%, followed by July's enticing 62%, marking the zenith of sunny days. This trend underscores the beautiful evolution of weather patterns in Snoqualmie, where the promise of warmer, sunnier days emerges as a welcome relief from the dreary months preceding it.

Percentage of Sunny Days in May in Snoqualmie

The chart illustrates the percentage of sunny days in Snoqualmie throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Snoqualmie experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%10%29%49%33%53%62%46%37%22%14%10%
Data source: Snoqualmie May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Snoqualmie in May

As May unfolds in Snoqualmie, the region experiences a delightful boost in daylight, reaching an impressive 15 hours. This trend reflects a gradual increase from the 8 hours in January, with each month showcasing a steady progression toward longer evenings. Following the spring's awakening in April, with 13 hours of daylight, May solidifies the transition into the longer, sunlit days of summer. Interestingly, this peak in daylight continues through June and July, emphasizing the area's charm during the warmer months. By August, daylight begins to wane slightly, signaling a gentle return to shorter days as the year turns toward autumn. This rhythm of light marks a vibrant and dynamic seasonal shift, inviting residents and visitors alike to revel in the beauty of longer days.

Average Daylight Hours in Snoqualmie for May

The chart illustrates the variation in daylight duration in Snoqualmie throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 55m10h 16m11h 57m13h 40m15h 8m15h 53m15h 28m14h 9m12h 29m10h 47m9h 16m8h 29m
Data source: Snoqualmie daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Snoqualmie

In Snoqualmie, the wind in May whispers gently with an average speed of 2.0 m/s (4 mph), continuing the trend of calm breezes established in earlier spring months. While January and February boast slightly stronger gusts at 2.3 m/s (5 mph) and 2.8 m/s (6 mph) respectively, the winds begin to soften in March and April. As we step into late spring, the patterns show consistency, indicating that the serene landscape is complemented by mild air currents that enhance outdoor activities without overwhelming the senses. This pattern persists into the summer months, where wind speeds remain low, offering a tranquil atmosphere ideal for enjoying the region’s natural beauty.

Average May Wind Speed in Snoqualmie

The chart displays monthly wind speed patterns in Snoqualmie, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.81.92.02.0 m/s1.81.61.71.82.12.82.2
Data source: Snoqualmie May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Snoqualmie Compares to Other Months

The weather in Snoqualmie 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 Snoqualmie and find detailed weather information for every month.

In comparing the weather of May and January, we see a stark contrast in temperatures and conditions. May boasts a pleasant range with minimums around 0°C (32°F) and maximums reaching 27°C (81°F), resulting in a comfortable average of 11°C (52°F). In contrast, January experiences significantly colder temperatures, with a minimum of -15°C (6°F) and a maximum of just 11°C (51°F), yielding an average of only 2°C (36°F). Additionally, January is wetter, with 239 mm (9.4 in) of precipitation over 17 days, compared to May's 106 mm (4.2 in) over 15 days. Humidity levels are slightly higher in January at 86%, compared to May's 81%. For more detailed information about January weather, you can visit Snoqualmie weather in January.

May and February present quite distinct weather patterns. In May, temperatures range from a chilly minimum of 0°C (32°F) to a pleasant maximum of 27°C (81°F), with an average of 11°C (52°F). The month experiences moderate precipitation of 106 mm (4.2 in) over 15 days, and humidity hovers around 81%. In stark contrast, February is much colder, with temperatures dipping as low as -14°C (7°F) and averaging only 1°C (34°F); the maximum temperature reaches 13°C (56°F). Additionally, February is wetter, receiving a significant 296 mm (11.6 in) of precipitation across 21 days and slightly higher humidity at 86%. For more detailed insights, you can check Snoqualmie weather in February.

In comparing the weather between March and May, it's evident that May experiences milder temperatures, with a minimum of 0°C (32°F) and an average of 11°C (52°F), while March can dip as low as -7°C (19°F) with an average of just 4°C (39°F). Additionally, May boasts a maximum temperature of 27°C (81°F), significantly warmer than March's peak of 18°C (65°F). However, March tends to be wetter, receiving 181 mm (7.1 in) of precipitation over 19 days, compared to May's 106 mm (4.2 in) over 15 days. Despite having slightly lower humidity, March is characterized by more damp conditions, with a humidity level of 87% compared to May's 81%. For more details about Snoqualmie weather specifics in March, check out Snoqualmie weather in March.

In comparing the weather between April and May, we observe a noticeable rise in temperatures. May has a minimum of 0°C (32°F) and an average of 11°C (52°F), with a maximum reaching 27°C (81°F), while April sees colder lows of -6°C (21°F) with an average of 7°C (45°F) and a high of 26°C (79°F). Additionally, while May experiences less precipitation at 106 mm (4.2 in) over 15 days, April is wetter, recording 170 mm (6.7 in) over 17 days. Humidity levels are fairly comparable, with May at 81% and April slightly higher at 84%. For more details on April's weather, visit Snoqualmie weather in April.

May and June present distinct weather patterns, with June generally being warmer and slightly drier. In May, temperatures range from a chilly 0°C (32°F) to a comfortable 27°C (81°F), while June sees a minimum of 3°C (38°F) and can peak at a scorching 39°C (103°F). Although May experiences more precipitation at 106 mm (4.2 in) over 15 days, June's rainfall is slightly lower at 98 mm (3.9 in) across 13 days. Both months maintain high humidity levels around 81% to 82%, contributing to a muggy atmosphere. For more detailed insights on June weather patterns, check out Snoqualmie weather in June.

In comparing May and July weather, May experiences a wider temperature range with minimums as low as 0°C (32°F) and maximums reaching 27°C (81°F), resulting in an average temperature of 11°C (52°F). This month also tends to be wetter, with a total precipitation of 106 mm (4.2 in) spread across 15 days and a humidity level of 81%. In contrast, July sees warmer conditions with a minimum temperature of 6°C (43°F) and a higher average of 16°C (62°F), peaking at 32°C (89°F). Precipitation decreases significantly to just 38 mm (1.5 in) over 8 days, and humidity slightly drops to 79%. For more detailed information, check out Snoqualmie weather in July.

May and August present quite different weather patterns. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 27°C (81°F) during the day, with an average of 11°C (52°F). The month is characterized by significant precipitation, averaging 106 mm (4.2 in) over 15 days, leading to a high humidity level of 81%. In contrast, August offers a more stable and warmer climate, with temperatures stretching from a minimum of 5°C (42°F) to a maximum of 34°C (94°F), averaging 17°C (62°F). Rainfall is much lower, at just 29 mm (1.1 in) over only 6 days, resulting in a reduced humidity of 63%. For a detailed overview of August weather, you can visit Snoqualmie weather in August.

May and September exhibit distinct weather patterns, showcasing a transition from spring to autumn. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 27°C (81°F), with an average of 11°C (52°F). The month sees fairly significant precipitation at 106 mm (4.2 in) over 15 days, accompanied by high humidity levels at 81%. In contrast, September experiences warmer temperatures, with a minimum of 3°C (37°F) and a maximum of 31°C (87°F), while the average temperature reaches 14°C (57°F). Although September has slightly more precipitation at 128 mm (5.1 in) over 13 days, the humidity drops considerably to 62%, making it feel less muggy than May. For more detailed information, you can check Snoqualmie weather in September.

When comparing the weather in May and October, there are notable differences in temperature and precipitation. May generally experiences milder temperatures, with a minimum of 0°C (32°F) and a maximum of 27°C (81°F), averaging around 11°C (52°F). On the other hand, October sees cooler conditions, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 23°C (74°F), averaging only 8°C (46°F). Precipitation is also more significant in October, with 250 mm (9.8 in) falling over 16 days, compared to 106 mm (4.2 in) over 15 days in May. Additionally, October's humidity is slightly higher at 83%, compared to May's 81%. For a closer look at the specific weather conditions in October, you can check Snoqualmie weather in October.

May and November present contrasting weather patterns. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 27°C (81°F), with an average of 11°C (52°F). The month sees 106 mm (4.2 in) of precipitation over approximately 15 days, accompanied by a humidity level of 81%. On the other hand, November is significantly cooler, featuring temperatures that drop as low as -5°C (23°F) and peak at 17°C (62°F), averaging at 5°C (40°F). This month experiences much higher rainfall, totaling 276 mm (10.9 in) over 20 days, along with increased humidity at 89%. For more detailed information, visit Snoqualmie weather in November.

May and December present contrasting weather patterns, reflecting the transition from spring to winter. In May, temperatures range from a cool 0°C (32°F) at night to a comfortable 27°C (81°F) during the day, with an average temperature of 11°C (52°F). The month sees moderate precipitation of 106 mm (4.2 in) over approximately 15 days, accompanied by an 81% humidity level. In contrast, December experiences much colder conditions, with temperatures dropping to a minimum of -13°C (9°F) and an average of only 2°C (36°F). This frigid month also faces significantly higher precipitation totals of 284 mm (11.2 in) spread over about 20 days, along with increased humidity at 88%. For more details on December's weather, visit Snoqualmie weather in December.

Compare Snoqualmie's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Snoqualmie

As May unfolds in Snoqualmie, the weather begins to show a vibrant shift, welcoming warmer temperatures and the lush beauty of spring. With pleasant days averaging around 11°C (52°F), residents can relish the joys of outdoor activities. However, it's also the month where rain becomes more frequent, contributing to the region's 81% humidity and setting it apart from the drier winter months. This blend of warmth and moisture not only rejuvenates the landscape but also makes May a transitional period, hinting at the summer months to come while still holding onto the lingering chill of early spring. For more details about Snoqualmie's overall weather patterns, check out Snoqualmie Climate.