Last updated: February 24, 2025
October in Thermopolis, United States presents a striking contrast in temperatures, ranging from a chilly minimum of -22°C (-8°F) to a balmy maximum of 28°C (83°F). The average temperature hovers at a cool 7°C (44°F), providing a crisp backdrop as autumn deepens. During this month, the region experiences 27 mm (1.1 in) of precipitation over 6 days, contributing to a humidity level of 69%, which enhances the seasonal ambiance. As leaves transform and fall, Thermopolis offers an engaging blend of cool air and occasional moisture, making it a unique time to experience the natural beauty of the area.
In October, Thermopolis experiences a significant transition as autumn settles in. The temperatures drop noticeably, with a minimum of -22°C (-8°F) and a cozy average of 7°C (44°F), offering a stark contrast to the summer heat. This month boasts a maximum of 28°C (83°F), showing that warm days can still linger, but the chill is unmistakably creeping in. Compared to the balmy temps of September, October marks a shift towards cooler weather, as the first hints of winter approach. This blend of crisp air and occasional warmth makes October a particularly dynamic time in Thermopolis, perfect for enjoying the stunning fall foliage.
In October, Thermopolis experiences a notable shift in precipitation, with 27 mm (1.1 in) typically falling over an average of 6 days. This amount aligns with September's rainfall but marks a transition as autumn progresses. October's precipitation reflects the changing seasons, offering a slight increase from the drier summer months, where July and August saw only 13 mm (0.5 in) and 18 mm (0.7 in), respectively. As the region prepares for winter, the steady rainfall serves as a reminder of nature's rhythm, bridging the warm summer days to the colder months ahead. Overall, October stands out as a month where moisture begins to accumulate, hinting at the sustainability of local ecosystems as they brace for the harsher conditions of winter.
In October, Thermopolis experiences a refreshing shift in humidity, with levels averaging 69%. This marks a noticeable increase from September's low of 59%, indicating the onset of cooler nights and the gradual transition into autumn. As the year progresses, humidity tends to fluctuate significantly; it starts high in the winter months, peaking at 90% in January, then steadily decreases to its annual low of 59% during the late summer months. Following the dry warmth of summer, October's humidity offers a comfortable balance, creating an inviting atmosphere for outdoor activities as the landscape transforms with vibrant fall colors.
In October, Thermopolis experiences a UV Index of 6, placing it in the high exposure category with a burn time of approximately 25 minutes. This month signals a notable transition from the intense summer months, where values peaked at 11, to more moderate conditions. While the risk of overexposure decreases, vigilance is still necessary, especially for outdoor activities. It's a reminder that even as temperatures cool, UV rays can still pose a threat to skin health. For more detailed insights, you can check out the comprehensive guide on the Thermopolis UV Index.
UV Risk Categories
October brings a delightful retreat into autumn for Thermopolis, where the tantalizing glow of sunshine lingers for 260 hours. While the month sees a decrease in daylight compared to the exhilarating peaks of summer, it still stands out as a time when the warm hues of fall foliage are illuminated by transitioning sunlight. Following the summer's peak of 391 hours in July, the gradual decline in sunlit hours is palpable, yet October's golden rays provide a gentle warmth compared to the brisk chill of the approaching winter months. This shift not only enhances the vibrant landscapes but also invites locals and visitors alike to enjoy outdoor activities before the snow settles in. With a robust average of 301 hours in September, October serves as a bridge, capturing the last offerings of sunny days while welcoming the cozy embrace of fall.
In Thermopolis, Wyoming, October offers a moderate 52% chance of sunny weather, continuing a trend of fluctuating sunshine throughout the year. Following the sunny peak of September with a 74% chance, the likelihood slightly dips, suggesting a transition into autumn where sunny days can be a delightful surprise. While October's sunshine probability is relatively low compared to the warmer summer months, which boast chances as high as 68% in June and 65% in both July and August, the overall autumn season still offers a fair mix of pleasant weather. This makes October a great time for outdoor activities, as residents and visitors alike can still enjoy sunny spells amidst the changing foliage and cooler temperatures.
As October rolls into Thermopolis, the days begin to shorten, bringing about a gentle transition from the long, sunlit hours of summer. The daylight dips to 10 hours, marking a significant decline from the 15 hours enjoyed in June and July. This shift serves as a precursor to the deeper twilight of November and December. While October offers a respectable amount of daylight for outdoor activities, the trend toward shorter days is palpable, inviting residents to embrace the cozy atmosphere of fall. The gradual decrease from 14 hours in May and 12 hours in September to this month’s 10 hours underscores the cyclic nature of daylight, as nature readies itself for the winter’s embrace.
As October sweeps into Thermopolis, the winds continue to whisper softly, maintaining their gentle caress with an average speed of 2.6 m/s (6 mph). This consistent breeze mirrors September's conditions, showcasing a trend of moderate wind speeds during the autumn months. Interestingly, after a slight uptick in April and June, October's winds return to the calmness that characterizes much of the year, with only January and November showing lower velocities. The transitions from summer to fall create a refreshing environment, perfect for outdoor activities, while hinting at the brisk winds of winter just around the corner.
The weather in Thermopolis changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October'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 October and January, notable differences emerge. October experiences a broader temperature range, with minimums dropping to -22°C (-8°F) and maximums reaching a warm 28°C (83°F), resulting in an average of 7°C (44°F). In contrast, January brings much colder conditions, with average temperatures plummeting to -6°C (21°F) and maximums only reaching 11°C (52°F). Precipitation is more common in October, with 27 mm recorded over six days, compared to just 11 mm on two days in January. Additionally, January boasts higher humidity levels at 90%, compared to October's 69%. For more detailed insights, check out Thermopolis weather in January.
When comparing the weather in October and February, notable differences emerge. October experiences a wider temperature range, with minimums dropping to -22°C (-8°F) and maximums reaching 28°C (83°F), resulting in an average of 7°C (44°F). This month sees moderate precipitation of 27 mm (1.1 in) over about 6 days, with a humidity level of 69%. In contrast, February is generally colder, with minimum temperatures reaching -25°C (-13°F) and a maximum of only 14°C (57°F), leading to an average temperature of -6°C (21°F). Precipitation in February is slightly lower at 21 mm (0.8 in), also spread over 6 days, but the humidity rises to 89%. For more detailed information about February weather, check out Thermopolis weather in February.
Comparing October and March weather reveals some intriguing differences and similarities. In October, the temperatures range from a chilly minimum of -22°C (-8°F) to a warm maximum of 28°C (83°F), averaging around 7°C (44°F). Precipitation occurs on six days, totaling 27 mm (1.1 in), with a humidity level of 69%. In contrast, March experiences slightly colder conditions, with temperatures dropping even lower, recording a minimum of -27°C (-16°F) and peaking at 24°C (76°F), leading to an average of 3°C (37°F). Precipitation in March is slightly less at 22 mm (0.9 in) over five days, accompanied by higher humidity at 82%. For a more detailed look at March's climate specifics, check out Thermopolis weather in March.
In comparing the weather of October and April, both months exhibit a similar average temperature of 7°C (44°F), but they differ significantly in their extremes and precipitation levels. October can experience a broader range, with minimum temperatures dropping to -22°C (-8°F) and maximums reaching up to 28°C (83°F). In contrast, April sees slightly milder conditions, with minimums around -15°C (5°F) and a peak at 27°C (80°F). Additionally, April tends to be wetter, with 53 mm (2.1 in) of precipitation over 9 days, compared to October's 27 mm (1.1 in) over 6 days. The humidity remains relatively high in both months, with 69% in October and 72% in April, indicating a persistent moisture level. For more detailed information, check out Thermopolis weather in April.
When comparing October and May weather, notable differences arise in temperature and precipitation patterns. October experiences a wider temperature range, with minimums dropping as low as -22°C (-8°F) and maximums reaching up to 28°C (83°F), averaging around 7°C (44°F). In contrast, May has milder conditions, with minimum temperatures starting at -4°C (25°F) and reaching a maximum of 31°C (88°F), averaging 12°C (54°F). Precipitation is more frequent in May, totaling 67 mm (2.6 in) over 10 days, compared to October's 27 mm (1.1 in) over 6 days. Interestingly, both months share a humidity level of 69%. For more detailed information, check out Thermopolis weather in May.
October and June exhibit contrasting weather patterns, despite similar precipitation levels of 27 mm (1.1 in) over six days in each month. October experiences a broader temperature range, with minimums plummeting to -22°C (-8°F) and maximums reaching up to 28°C (83°F), resulting in an average of 7°C (44°F). In contrast, June boasts a milder climate, where temperatures start at a minimum of 1°C (35°F) and soar to a maximum of 39°C (103°F), averaging 20°C (68°F). Additionally, both months maintain similar humidity levels, with October at 69% and June at 67%. For more detailed information, you can refer to Thermopolis weather in June.
October and July present contrasting weather experiences. In October, temperatures can dip significantly, with a minimum of -22°C (-8°F) and an average around 7°C (44°F), while still reaching a maximum of 28°C (83°F) on warmer days. This month sees heightened precipitation of 27 mm (1.1 in) over approximately 6 days, contributing to a humidity of 69%. In contrast, July offers warmer conditions, with a minimum temperature of 7°C (44°F), an average of 24°C (76°F), and peaks reaching up to 40°C (104°F). Precipitation is less frequent in July, amounting to just 13 mm (0.5 in) over only 2 days, and the humidity is slightly lower at 65%. For more detailed insights on July weather, you can check Thermopolis weather in July.
October and August present a stark contrast in weather patterns. In October, temperatures range from a frigid minimum of -22°C (-8°F) to a maximum of 28°C (83°F), with an average of 7°C (44°F), making it significantly cooler overall compared to August, which boasts a milder range from 7°C (44°F) to a sweltering 38°C (100°F) and an average of 22°C (72°F). Precipitation is slightly higher in October at 27 mm (1.1 in) over 6 days, versus August's 18 mm (0.7 in) across 3 days, although both months experience considerable humidity, with October at 69% and August at 59%. For further insights on August weather patterns, you can check Thermopolis weather in August.
In September, temperatures are generally milder, with a minimum of -4°C (24°F) and an average of 17°C (62°F), reaching highs of up to 37°C (100°F). The month experiences less humidity (59%) and fewer rainy days (3), making it a relatively dry month with 27 mm (1.0 in) of precipitation. In contrast, October sees a more significant temperature drop, with minimums plunging to -22°C (-8°F) and average temperatures dropping to 7°C (44°F). The maximum temperature in October is 28°C (83°F), which still allows for some warmth but is overshadowed by an increase in humidity to 69% and slightly more rainy days (6) with a similar total precipitation of 27 mm (1.1 in). For a closer look at September's weather in Thermopolis, check out Thermopolis weather in September.
October and November present distinct shifts in weather patterns. In October, temperatures range from a chilly -22°C (-8°F) at night to a warm 28°C (83°F) during the day, with an average temperature of 7°C (44°F). The month sees about 27 mm (1.1 in) of precipitation over roughly six days, and humidity levels hover around 69%. In contrast, November brings cooler temperatures with a minimum of -16°C (4°F) and a maximum of 21°C (70°F), resulting in a lower average of 1°C (35°F). Precipitation decreases to 17 mm (0.7 in) over just four days, while humidity rises to 83%. For those interested in a more detailed overview, check out Thermopolis weather in November.
October and December present stark contrasts in weather conditions. October experiences a broader temperature range, with minimums around -22°C (-8°F), average temperatures of 7°C (44°F), and maximums peaking at 28°C (83°F), alongside relatively moderate precipitation of 27 mm (1.1 in) over 6 days. In contrast, December sees colder temperatures, with minimums dipping to -25°C (-12°F) and an average of -4°C (24°F), while maximums only reach 18°C (65°F). Additionally, December has lower precipitation at 14 mm (0.6 in) over just 4 days, coupled with higher humidity levels at 89%. For more details about December weather in a particular region, check out Thermopolis weather in December.
In October, Thermopolis transitions into cooler temperatures, showcasing a marked difference from the warmer months, with highlights including a notable drop in average temperatures and an occasional chill that can dip below freezing. While the month experiences a moderate amount of precipitation, the humidity lingers, contributing to the crispness in the air. This shift signals a time of change, preparing the landscape for the approaching winter, making it a unique month that offers a refreshing contrast to the summer heat. For a comprehensive look at how October fits into the broader climate context, visit Thermopolis Climate.