Last updated: February 24, 2025
Experience the vibrant change of May in Thermopolis, United States, where temperatures can soar to a maximum of 31°C (88°F), while evenings still offer a refreshing average of 12°C (54°F). This month showcases a minimum temperature dipping to -4°C (25°F), reminding us of the lingering chill of early spring. Rain makes its presence known with a total precipitation of 67 mm (2.6 in) over approximately 10 days, creating a lush and refreshing atmosphere. Combined with a humidity level of 69%, the climate is perfect for enjoying the vibrant blooms and outdoor activities that May has to offer!
In May, temperatures in Thermopolis, United States begin to rise significantly, marking a noticeable shift from the harsh cold of winter. The minimum temperature reaches a relatively mild -4°C (25°F), while the average climbs to 12°C (54°F), providing a refreshing feel after the chill of earlier months. The maximum temperature can soar to a warm 31°C (88°F), reflecting the budding vibrancy of spring. This month stands out as a transitional time, with temperatures on the upswing, suggesting longer days and outdoor activities—perfect for enjoying the emerging beauty of the landscape as it awakens from the frosty grip of winter.
May marks a notable increase in precipitation for Thermopolis, with 67 mm (2.6 in) recorded over 10 days of rain. This surge follows a gradual buildup throughout the spring, where April already brought 53 mm (2.1 in) across 9 days. As temperatures begin to rise, May's showers play a vital role in nourishing the landscape, creating a lush environment that showcases the beauty of early summer. The pattern suggests that as the year progresses, precipitation levels peak in May before tapering off in the warmer months of June and July, highlighting the transition from spring's abundance to summer's drier conditions.
In Thermopolis, United States, the month of May marks a notable shift in humidity levels, dropping to 69% from April's 72%. This gradual decline in humidity is characteristic of spring, as the region begins to transition into the drier summer months. Following a trend observed since January's peak of 90%, humidity consistently decreases, reaching its lowest point in July at 65%. This steady reduction creates a more comfortable atmosphere for residents and visitors alike, paving the way for warmer summer activities. As temperatures rise, the lingering humidity in May reflects a balance between the lush spring conditions and the imminent onset of summer dryness.
As May rolls into Thermopolis, the UV Index reaches an intense 10, categorizing it as very high and indicating that sun safety is more important than ever. With a burn time of just 15 minutes, even brief sun exposure can lead to skin damage, underscoring a trend of increasing UV levels as spring progresses into summer. This significant rise follows a steep climb from January's moderate levels; each month brings a noticeable uptick, peaking in June and July with extreme indices of 11. As temperatures rise and outdoor activities ramp up, residents and visitors should be vigilant about sun protection to enjoy the beautiful Wyoming days while safeguarding their skin. Discover more about the UV Index in Thermopolis through this helpful link: Thermopolis UV Index.
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In May, Thermopolis basks under 325 hours of sunshine, marking a delightful leap from the previous months' totals. This month stands out as a beacon of warmth and light, following a steady increase from January's mere 169 hours to an impressive 293 hours in April. May not only embraces the burgeoning spring but also sets the stage for the summer sun, which peaks in June with 384 hours. This upward trend in sun exposure culminates in an inviting atmosphere that enhances outdoor activities and the vibrant life of the community, making May a cherished month for both locals and visitors alike.
In Thermopolis, the likelihood of sunny weather in May hovers at 45%, which aligns closely with the preceding months of April and February, both showcasing similar chances. This slight dip from the early spring months is a precursor to the sun-drenched summer that follows, as June surges to a 68% chance of sunshine, paving the way for much brighter days. Overall, May serves as a transitional month, where the potential for sun remains moderate, yet hints at the more promising weather on the horizon.
As May arrives in Thermopolis, daylight reaches an inviting 14 hours, marking a delightful transition into the vibrant summer months. This increase in sunlight follows a gradual upward trend, beginning with a modest 9 hours in January and steadily progressing through the spring. With each passing month, the days lengthen, enhancing opportunities for outdoor activities and exploration. By May, residents and visitors alike can fully embrace the beauty of nature, as the sun lingers longer in the sky. This trend continues into June and July, where daylight peaks at 15 hours, before gradually tapering off as autumn approaches. The rhythm of daylight in Thermopolis not only reflects the changing seasons but also invites a sense of renewed energy and connection to the great outdoors.
In May, Thermopolis experiences an average wind speed of 2.8 m/s (6 mph), which mirrors March’s gentle breezes but shows a slight decrease from April’s more spirited 3.2 m/s (7 mph). This month typically marks a transitional period, where the winds begin to soften as summer approaches, creating an inviting atmosphere for outdoor activities. Overall, May finds itself within a consistent wind pattern from the months preceding it, maintaining a moderate pace that complements the burgeoning warmth of late spring. As the season progresses towards June, residents can expect the winds to pick up a notch again, transitioning into the more vibrant summer months.
The weather in Thermopolis 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 Thermopolis and find detailed weather information for every month.
When comparing the weather in May and January, it's clear that these two months present dramatically different conditions. May experiences a temperature range from a brisk -4°C (25°F) to a warm 31°C (88°F), with an average of 12°C (54°F) and significant humidity at 69%. In contrast, January is much colder, with temperatures ranging from a frigid -29°C (-20°F) to a maximum of only 11°C (52°F), averaging -6°C (21°F). Furthermore, January sees much less precipitation, with only 11 mm (0.4 in) over just 2 days, while May has 67 mm (2.6 in) spread across 10 days. For more details about January weather, check out Thermopolis weather in January.
In comparing the weather between February and May, there is a striking contrast. February experiences much colder temperatures, with averages around -6°C (21°F) and lows dropping to -25°C (-13°F). In contrast, May boasts a more moderate climate, featuring an average temperature of 12°C (54°F) and highs reaching up to 31°C (88°F). Additionally, precipitation levels are higher in May, totaling 67 mm (2.6 in) over approximately 10 days, while February sees only 21 mm (0.8 in) across 6 days. February also has a higher humidity level at 89%, compared to May's 69%. For more detailed insights, you can explore Thermopolis weather in February.
The weather in May is markedly warmer and more variable compared to March. In May, temperatures range from a minimum of -4°C (25°F) to a comfortable average of 12°C (54°F), peaking at a high of 31°C (88°F). This month also sees an increase in precipitation, with 67 mm (2.6 in) over approximately 10 days, alongside a moderate humidity level of 69%. In contrast, March experiences much colder temperatures, with a minimum of -27°C (-16°F) and an average of only 3°C (37°F), reaching a maximum of 24°C (76°F). March has less precipitation—22 mm (0.9 in) over 5 days—but a higher humidity level of 82%. For more detailed insights on March weather, you can visit Thermopolis weather in March.
In comparing the weather of April and May, it's evident that May experiences milder temperatures, with an average of 12°C (54°F), compared to April's cooler average of 7°C (44°F). The maximum temperature in May can reach up to 31°C (88°F), significantly warmer than April's max of 27°C (80°F). Additionally, while May sees slightly more precipitation at 67 mm (2.6 in) over 10 days, April has 53 mm (2.1 in) over 9 days. Humidity is relatively close in both months, with May at 69% and April at 72%. For more detailed insights, check out Thermopolis weather in April.
May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of -4°C (25°F) to a maximum of 31°C (88°F), with an average of 12°C (54°F). Precipitation is relatively high at 67 mm (2.6 in) over approximately 10 days, while humidity hovers around 69%. In contrast, June brings warmer averages, starting with a minimum of 1°C (35°F) and soaring to a maximum of 39°C (103°F), with an average of 20°C (68°F). Rainfall decreases to 27 mm (1.1 in) over just 6 days, and humidity slightly lowers to 67%. For a closer look at June's climate, you can visit Thermopolis weather in June.
May and July exhibit notable differences in weather patterns. In May, temperatures range from a chilly minimum of -4°C (25°F) to a warm maximum of 31°C (88°F), with an average temperature of 12°C (54°F). This month sees about 67 mm (2.6 in) of precipitation over 10 days, contributing to a relatively high humidity level of 69%. In contrast, July experiences a more consistent warmth, characterized by temperatures from a minimum of 7°C (44°F) to a sweltering maximum of 40°C (104°F), with an average temperature of 24°C (76°F). The month is much drier, with only 13 mm (0.5 in) of precipitation over just 2 days and a slightly lower humidity at 65%. For more details about July weather, you can check out Thermopolis weather in July.
May and August present significantly different weather conditions. In May, temperatures can range from a chilly -4°C (25°F) to a warm 31°C (88°F), with an average of 12°C (54°F). The month experiences around 67 mm (2.6 in) of precipitation over approximately 10 days, contributing to a higher humidity level of 69%. In contrast, August boasts milder mornings with temperatures starting at 7°C (44°F) and can reach up to a sweltering 38°C (100°F), averaging 22°C (72°F). With only 18 mm (0.7 in) of precipitation spread over just 3 days, August is drier and more comfortable, characterized by lower humidity at 59%. For more details on August weather, check Thermopolis weather in August.
May and September exhibit notable differences in weather patterns. In May, temperatures range from a chilly -4°C (25°F) at night to a warm 31°C (88°F) during the day, with an average of 12°C (54°F). The month also sees about 67 mm (2.6 in) of precipitation spread over 10 days, contributing to a humidity level of 69%. In contrast, September offers a more stable climate, with temperatures spanning from -4°C (24°F) to a maximum of 37°C (100°F) and an average of 17°C (62°F). This month experiences significantly less rainfall, with only 27 mm (1.0 in) over just 3 days, and lower humidity at 59%. You can explore more about the weather in September here: Thermopolis weather in September.
May and October present contrasting weather patterns. In May, temperatures range from a chilly minimum of -4°C (25°F) to a warm maximum of 31°C (88°F), with an average of 12°C (54°F) and a notable 67 mm of precipitation across 10 days. The humidity sits at 69%, contributing to a lush spring atmosphere. In contrast, October sees considerably colder temperatures, with a minimum dipping to -22°C (-8°F) and an average of 7°C (44°F). The maximum temperature is milder at 28°C (83°F), and precipitation drops to 27 mm over just 6 days. Despite the chill, humidity remains consistent at 69%, making October feel crisp and invigorating. For more detailed weather information, visit Thermopolis weather in October.
May and November exhibit striking differences in weather patterns. In May, temperatures can range dramatically from a chilly -4°C (25°F) at night to a warm 31°C (88°F) during the day, with an average of 12°C (54°F). The month experiences more rainfall, totaling 67 mm (2.6 in) over about 10 days, accompanied by a moderate humidity of 69%. In contrast, November tends to be much colder, with low temperatures plunging to -16°C (4°F) and a daily maximum of 21°C (70°F), leading to a considerably cooler average of 1°C (35°F). Precipitation in November is minimal, at only 17 mm (0.7 in) spread across just 4 days, and humidity is higher at 83%. For a more detailed look at weather conditions during this month, check out Thermopolis weather in November.
May and December present stark contrasts in weather patterns. May boasts a temperature range from a chilly -4°C (25°F) to a warm 31°C (88°F), with an average of 12°C (54°F) and a relatively high humidity of 69%. This month sees considerable precipitation, totaling 67 mm (2.6 in) over 10 days. In contrast, December features much colder conditions, with temperatures plummeting between -25°C (-12°F) and a maximum of 18°C (65°F), settling at an average of -4°C (24°F). Despite the harsher cold, precipitation is significantly lower in December, at just 14 mm (0.6 in) over 4 days, and the humidity rises to 89%. For more insights, check out Thermopolis weather in December.
In May, Thermopolis experiences a notable transition in weather, with temperatures rising significantly as the season progresses. The average temperatures offer a refreshing break from the chill of earlier months, making it an ideal time for outdoor activities and exploration. However, May is also characterized by increased precipitation, with rain falling on about a third of the days, creating a lush landscape. This combination of warmer temperatures and moisture contributes to a higher humidity level, giving the air a distinct, refreshing quality. For those interested in a deeper understanding of how May compares to other months, visit Thermopolis Climate for more details.