Last updated: February 24, 2025
May in West Yellowstone, United States brings a mix of spring vibrancy and cool mountain breezes. With a maximum temperature reaching 22°C (71°F) and an average hovering around 3°C (38°F), visitors can expect varied weather conditions. The month shows a minimum temperature dipping to -12°C (11°F), reminding us of the lingering chill. Rainfall totals 67 mm (2.6 in) over 13 days, contributing to a humidity level of 79%, painting a picture of a moist and refreshing landscape. Enjoy the beauty of nature as it awakens from winter's grasp!
As spring unfolds in West Yellowstone, May brings a welcome transition from the harsh winter chill to more temperate conditions. With minimum temperatures climbing to -12°C (11°F) and an average of 3°C (38°F), the frosty grip of winter begins to loosen. Daytime highs can reach a comfortable 22°C (71°F), inviting locals and visitors alike to embrace the great outdoors. This month marks a significant shift from the severe cold of earlier months, as April's lingering sub-zero temperatures give way to a more moderate climate; the transition signifies not just a change in temperature but also a revitalization of the surrounding natural beauty, making May an ideal time to experience the stunning landscapes that characterize this unique region.
In May, West Yellowstone experiences a typical pattern of precipitation, receiving 67 mm (2.6 in) of rain over 13 days. This amount is consistent with the previous month, April, which had 72 mm, but showcases a decline from the notably wetter February. The days of rainfall remain steady, aligned with the month of June, which also reports 67 mm across 13 days, suggesting a mild and moist spring that gradually transitions to the drier summer months. Overall, May serves as a pivotal point in the annual climate cycle, linking the lingering moisture of spring to the impending dryness of summer while maintaining a balanced precipitation rhythm.
In West Yellowstone, May marks a notable transition in humidity, with levels dipping to 79% from April's 83%. This decline signals the onset of drier conditions as spring gives way to summer. As the year progresses, the humidity continues to decrease, reaching its lowest point in July at 74%, before gradually rising again in the fall. This summer shift not only enhances outdoor experiences but also highlights the region's unique climate fluctuations, where the crispness of spring evolves into the warmth of summer, making May a delightful month for both residents and visitors.
In May, West Yellowstone experiences a dramatic shift in UV intensity, with the UV Index soaring to a striking 11, indicating an extreme exposure level. This surge marks a pivotal transition from the high and very high categories seen in earlier months, where burn times were significantly longer. With just 10 minutes before risking skin damage, it’s crucial to take protective measures. As summer approaches, this trend of heightened UV exposure continues into June and July, making it essential for residents and visitors alike to stay vigilant against harmful rays. To prepare adequately, check out the resources available for West Yellowstone UV Index to ensure safe outdoor activities.
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In West Yellowstone, the May sunshine heralds the arrival of warmer days with an impressive 332 hours of glorious daylight, surpassing the earlier months and setting the stage for a vibrant summer. This upward trend in sunlight continues from April's 278 hours, showcasing a significant leap as nature awakens from its winter slumber. Following May, the days further elongate, peaking in July with a dazzling 396 hours of sun, before gradually tapering off into the fall. This gradual increase in sunlight not only brightens the town's scenic landscapes but also invites both residents and visitors to partake in the myriad outdoor activities that West Yellowstone has to offer.
In West Yellowstone, May sees a moderate chance of sunny weather, with the likelihood standing at 41%. This figure marks a slight decline from the sunshine enjoyed in the preceding months of March and April, both at 48%. However, as the season progresses into the summer months, the prospects for sunny days significantly improve, with June boasting a robust 74% chance of clear skies. This trend illustrates a gradual transition from the cooler spring weather into the warmer, sunnier days of summer, making May a transitional month where the sun may make brief appearances but is still competing with lingering spring clouds.
As spring unfolds in West Yellowstone, May marks a delightful turning point in daylight duration, extending to a generous 14 hours. This increase is part of a broader trend that sees daylight steadily grow from the 9 hours in January to a vibrant 13 hours by April, as nature awakens and activities flourish. The climb continues into June and July, peaking at 15 hours, before gradually tapering off in the subsequent months. With daylight diminishing from summer's zenith to a cozy 10 hours in October, the shift in May not only enhances outdoor exploration but also invigorates the spirit, embracing the full vitality of longer, sun-filled days.
In May, West Yellowstone experiences a gentle breeze with an average wind speed of 2.4 m/s (5 mph), consistent with the cooler spring months. This marks a slight dip in wind intensity compared to April's 2.7 m/s, yet mirrors January's and July's calmer conditions. The wind speeds generally fluctuate between 2.1 m/s and 3.6 m/s throughout the year, indicating a trend of lighter breezes in the warmer months and slightly stronger gusts by winter. As summer approaches, the variability in wind speeds creates a pleasant atmosphere for outdoor activities, allowing visitors to enjoy the natural beauty of the area without the disruptive force of strong winds.
The weather in West Yellowstone 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 West Yellowstone and find detailed weather information for every month.
May and January present starkly contrasting weather patterns. In May, temperatures range from a chilly minimum of -12°C (11°F) to a comfortable maximum of 22°C (71°F), with an average of 3°C (38°F). In contrast, January experiences much harsher conditions, with temperatures dropping as low as -28°C (-17°F) and averaging -9°C (15°F). While May sees a higher average temperature and more pleasant conditions, it experiences slightly more precipitation (67 mm) over 13 days compared to January's 54 mm over 12 days. Additionally, humidity levels are notably different, with May at 79% and January rising to a significant 93%. For a more detailed look at January conditions, check out West Yellowstone weather in January.
May and February present stark contrasts in weather patterns. In May, temperatures range from a chilly minimum of -12°C (11°F) to a pleasant maximum of 22°C (71°F), with an average temperature of 3°C (38°F). The month experiences a moderate level of precipitation at 67 mm (2.6 in) over approximately 13 days, coupled with a humidity of 79%. Conversely, February is significantly colder, with temperatures plummeting to a minimum of -28°C (-19°F) and peaking at just 5°C (41°F), averaging -9°C (16°F). February also sees higher precipitation levels at 96 mm (3.8 in) across 18 days, along with a higher humidity of 92%. For more specific details about February weather, you can visit West Yellowstone weather in February.
When comparing the weather in May and March, notable differences emerge in temperature and humidity. May experiences a milder range, with temperatures ranging from a minimum of -12°C (11°F) to a maximum of 22°C (71°F) and an average of 3°C (38°F). In contrast, March is much colder, with temperatures plummeting to a minimum of -29°C (-19°F) and reaching a maximum of just 10°C (51°F), averaging -4°C (26°F). Additionally, while both months have about 13 days of precipitation, March has a slightly lower total precipitation of 63 mm (2.5 in) compared to May's 67 mm (2.6 in); however, March's higher humidity at 89% may contribute to a more biting chill. For a detailed look at March's weather, you can refer to West Yellowstone weather in March.
In comparing the weather in April and May, we see a notable increase in average temperatures. May experiences a minimum temperature of -12°C (11°F) and a maximum of 22°C (71°F), resulting in a more comfortable average of 3°C (38°F). In contrast, April's temperatures are significantly colder, with a minimum of -19°C (-2°F) and a maximum of 14°C (57°F), leading to an average temperature of -1°C (31°F). Additionally, May has slightly less precipitation at 67 mm (2.6 in) over 13 days, compared to April's 72 mm (2.9 in) over 15 days. Both months feature high humidity levels, but April is marginally higher at 83% compared to May's 79%. For further details on April's weather, you can check West Yellowstone weather in April.
May and June in West Yellowstone showcase a transition from chilly spring temperatures to more pleasant summer conditions. In May, temperatures range from a minimum of -12°C (11°F) to a maximum of 22°C (71°F), with an average temperature of 3°C (38°F). The month sees around 67 mm (2.6 in) of precipitation over 13 days, accompanied by relatively high humidity at 79%. In contrast, June experiences milder weather, with minimums of -6°C (21°F) and maximums reaching 27°C (80°F), resulting in a more comfortable average of 11°C (51°F). Precipitation remains the same at 67 mm (2.7 in) over 13 days, but humidity decreases slightly to 76%. For more detailed insights about June weather specifically, you can check West Yellowstone weather in June.
In May, weather conditions often fluctuate significantly, with temperatures ranging from a chilly minimum of -12°C (11°F) to a pleasant maximum of 22°C (71°F), producing an average of around 3°C (38°F). The month experiences considerable precipitation, totaling 67 mm (2.6 inches) over about 13 days, and the humidity hovers at a relatively high 79%. In contrast, July brings warmer temperatures, with a minimum of -2°C (30°F) and a maximum that reaches 30°C (86°F), averaging 16°C (61°F). Notably, July sees much less precipitation, with only 29 mm (1.2 inches) over 7 days, and a slightly lower humidity level of 74%. For a more detailed look at July weather specifics, you can visit West Yellowstone weather in July.
In comparing the weather between May and August, May features a wider temperature range, with minimums falling to -12°C (11°F) and maximums reaching 22°C (71°F), while August offers a milder climate with minimums at -1°C (30°F) and maximums peaking at 30°C (87°F). Precipitation in May is more significant, accumulating 67 mm (2.6 in) over 13 days, compared to August's lighter rainfall of 36 mm (1.4 in) over just 8 days. Additionally, May experiences higher humidity levels at 79%, while August sees a decrease to 69%. For more detailed information, you can check West Yellowstone weather in August.
May and September present distinct weather profiles. In May, temperatures range from a chilly -12°C (11°F) at night to a moderate 22°C (71°F) during the day, with an average of 3°C (38°F). This month experiences 67 mm (2.6 in) of precipitation over approximately 13 days, contributing to a high humidity level of 79%. In contrast, September sees temperatures starting at a minimum of -8°C (18°F) and reaching up to 28°C (82°F), with an average of 9°C (49°F). It offers less rainfall at 50 mm (2.0 in) over just 6 days, resulting in lower humidity of 67%. For more details on September weather, check West Yellowstone weather in September.
May and October present significantly different weather patterns. In May, temperatures range from a chilly -12°C (11°F) at night to a pleasant maximum of 22°C (71°F) during the day, with an average temperature of 3°C (38°F). The month experiences 67 mm (2.6 in) of precipitation over 13 days, paired with a relatively high humidity of 79%. In contrast, October brings more severe cold, with minimum temperatures plummeting to -32°C (-25°F) and averaging around 0°C (32°F). Although the maximum temperature is milder at 19°C (66°F), October has slightly less precipitation at 56 mm (2.2 in) over 11 days and lower humidity at 72%. For more details on October weather, check out West Yellowstone weather in October.
May and November exhibit stark contrasts in weather patterns. In May, temperatures range from a chilly -12°C (11°F) at night to a warm 22°C (71°F) during the day, with an average of 3°C (38°F). The month experiences about 67 mm (2.6 in) of precipitation over 13 days, accompanied by humidity levels around 79%. Conversely, November brings even colder conditions, with temperatures dipping to a minimum of -24°C (-12°F) and only reaching a maximum of 12°C (54°F), averaging -6°C (22°F). Precipitation is slightly lower at 62 mm (2.4 in) over 12 days, but humidity rises to a more humid 89%. For more details on November weather, you can explore West Yellowstone weather in November.
May and December in West Yellowstone exhibit striking differences in weather conditions. In May, temperatures range from a chilly -12°C (11°F) to a pleasant max of 22°C (71°F), with an average of around 3°C (38°F). The month sees 67 mm (2.6 in) of precipitation over 13 days, accompanied by a moderate humidity of 79%. In contrast, December presents a much colder climate, with temperatures plunging to a minimum of -29°C (-20°F) and an average of -9°C (15°F). The maximum temperature reaches only 5°C (42°F), and while precipitation is slightly lower at 59 mm (2.3 in) over 14 days, the humidity is significantly higher at 94%. For more detailed weather conditions, you can check West Yellowstone weather in December.
As May unfolds in West Yellowstone, the transition to warmer temperatures is evident, offering a refreshing change from the chilly grip of winter. With maximum temperatures reaching a pleasant 22°C (71°F), May invites outdoor enthusiasts to explore the stunning landscapes as they shake off the cold of earlier months. However, visitors should be prepared for frequent precipitation—with about 13 days of rain and an overall humidity of 79%, it's wise to pack a rain jacket along with sunscreen. This blend of warmth and moisture creates a vibrant environment, making May an exciting time to witness the awakening of nature. To dive deeper into what to expect throughout the year in this picturesque location, visit West Yellowstone Climate.