July weather forecast
Wyoming, USA

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Flag of Wyoming, USA
Flag of Wyoming, USA

Weather in July

July stands as the pinnacle of summer in Wyoming, presenting the warmest conditions of the year. Average low temperatures are comfortably mild, ranging from 50°F (10°C) to 60°F (15.6°C), while average high temperatures can soar up to 90°F (32.2°C) in the plains. In the highlands above 2500 meters, temperatures usually peak between 70°F (21.1°C) and 75°F (23.9°C). Precipitation is sparse, given Wyoming's semi-arid climate, with lowlands receiving rainfall between 8" (203mm) and 10" (254mm).

In contrast to June, July offers even longer days and sustained warmth. While winds continue to be a constant companion, their summer character is less harsh than in previous seasons. Thunderstorms and tornadoes make their most frequent appearances during late spring and early summer, making July a month to exercise caution, especially for outdoor activities. Despite these weather events, July remains a magnet for tourists. The state’s national parks, particularly Yellowstone and Grand Teton, witness their highest visitor numbers. Trails are fully open, and the conditions are generally ideal for a wide range of outdoor activities, from hiking to fishing.

  • Cheyenne - July »
    The months with the highest UV index in Cheyenne are July and August, with an average maximum UV index of 6. In Cheyenne, the highest average temperatures are observed in July, with a high of 82.4°F (28°C) and a low of 59.9°F (15.5°C).
  • Casper - July »
    On the first day of July in Casper sunrise is at 5:30 am and sunset at 8:47 pm. The months with the most sunshine in Casper are July and August, with an average of 11.9h of sunshine.
  • Laramie - July »
    Known for an idyllic summer, July in Laramie exhibits warmer days with abundant sunshine. In Laramie snow does not fall in July and August.
  • Gillette - July »
    In Gillette during July, the rain falls for 14.4 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Gillette, Wyoming, the average highest temperatures are observed in July, with a high of 84.7°F (29.3°C) and a low of 63.1°F (17.3°C).
  • Rock Springs - July »
    The month with the least rainfall in Rock Springs is July, when the rain falls for 7.8 days and typically collects 0.47" (12mm) of precipitation. The months with the lowest humidity in Rock Springs are July and August, with an average relative humidity of 31%.
  • Sheridan - July »
    The month with the most sunshine in Sheridan is July, with an average of 11.9h of sunshine. Sheridan's warmest month, July, registers temperatures that range from a high of 78.8°F (26°C) to a low of 57°F (13.9°C).
  • Green River - July »
    The month with the least rainfall in Green River is July, when the rain falls for 7.8 days and typically collects 0.47" (12mm) of precipitation. July and August, with an average relative humidity of 31%, are the least humid months in Green River, Wyoming.
  • Evanston - July »
    In Evanston snow does not fall in July and August. On the first day of July in Evanston sunrise is at 5:54 am and sunset at 9:00 pm.
  • Riverton - July »
    July, with average temperatures reaching a high of 87.1°F (30.6°C) and a low of 61.5°F (16.4°C), is the warmest month in Riverton, Wyoming. Temperature readings in Riverton reach their annual highs in July, averaging 87.1°F (30.6°C) and a minimum average of 61.5°F (16.4°C).
  • Jackson - July »
    July, on average, is the warmest month in Jackson registering a high temperature of 73.4°F (23°C) and a low of 43.5°F (6.4°C). In Jackson in July, during 11.8 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.
  • Cody - July »
    July stands as the peak summer month in Cody, Wyoming with the average highest temperature touching 81.1°F (27.3°C). With an average relative humidity of 38%, July is the least humid month in Cody, Wyoming.
  • Rawlins - July »
    The months with the lowest humidity in Rawlins are July and August, with an average relative humidity of 35%. On the last day of July, in Rawlins, Wyoming, sunrise is at 6:02 am and sunset at 8:28 pm MDT.
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Wyoming, USA

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