July weather forecast
Thermopolis, WY

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Weather in July

July is the warmest month in Thermopolis, with temperatures reaching an average high of 84.9°F (29.4°C). Despite the sweltering heat, the level of humidity is relatively low, providing some relief from the intense summer heat. Wyoming's landscape is filled with dramatic contrasts; the green of thriving vegetation starkly contrasts with clear blue skies. Known for offering the longest days of the year, July offers ample opportunities for residents and visitors to partake in outdoor recreational activities. Although the heat might be overwhelming at times, the vividness of the blooming landscapes makes it a worthy trade-off.

Temperature

July is the warmest month of the year in Thermopolis, registering average temperatures as high as 84.9°F (29.4°C) and as low as 61.3°F (16.3°C).

Humidity

The months with the lowest humidity in Thermopolis, Wyoming, are July and August, with an average relative humidity of 35%.

Rainfall

In Thermopolis, during July, the rain falls for 13 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, there are 117.2 rainfall days, and 11.14" (283mm) of precipitation is accumulated.

Snowfall

June through August are months without snowfall in Thermopolis.

Daylight

The average length of the day in July in Thermopolis is 15h and 3min.
On the first day of July, sunrise is at 5:35 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:36 pm MDT.

Sunshine

The month with the most sunshine in Thermopolis is July, with an average of 11.9h of sunshine.

UV index

With an average maximum UV index of 6, July is the month with the highest UV index in Thermopolis. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 6 in July converts into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month in Thermopolis?

July, marked by an average high-temperature of 84.9°F (29.4°C) and a low-temperature of 61.3°F (16.3°C), is the warmest month in Thermopolis, Wyoming.

How hot is July in Thermopolis?

The average high-temperature, in July, in Thermopolis, is 84.9°F (29.4°C), while the average low-temperature is 61.3°F (16.3°C).

What are the least humid months in Thermopolis?

July and August, with an average relative humidity of 35%, are the least humid months in Thermopolis.

What is the average humidity in July in Thermopolis?

The average relative humidity in July in Thermopolis is 35%.

How much does it rain in Thermopolis in July?

In Thermopolis, in July, during 13 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

When it does not snow in Thermopolis?

June through August are months without snowfall in Thermopolis.

What is the average length of the day in July in Thermopolis?

In Thermopolis, Wyoming, the average day length in July is 15h and 3min.

What time are sunrise and sunset in July in Thermopolis?

In July, on the first day of the month, sunrise is at 5:35 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:36 pm MDT.

What month has the most sunshine in Thermopolis?

With an average of 11.9h of sunshine, July has the most sunshine of the year in Thermopolis.

How long on average sun shines in July in Thermopolis?

The average sunshine duration in July in Thermopolis, Wyoming, is 11.9h.

When is the highest UV index in Thermopolis?

With an average maximum UV index of 6, July is the month with the highest UV index in Thermopolis, Wyoming.

How high is the UV index in July in Thermopolis?

In July, the average daily maximum UV index in Thermopolis is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Thermopolis, WY

Average temperature in July - Thermopolis, WY
  • Average high temperature in July: 84.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (28.2°F).

  • Average low temperature in July: 61.3°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure in July
Thermopolis, WY

Average pressure in July - Thermopolis, WY
  • Average pressure in July: 29.95"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in July
Thermopolis, WY

Average wind speed in July - Thermopolis, WY
  • Average wind speed in July: 5.8mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (5mph).

Average humidity in July
Thermopolis, WY

Average humidity in July - Thermopolis, WY
  • Average humidity in July: 35%

The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (35%).

Average rainfall in July
Thermopolis, WY

Average rainfall in July - Thermopolis, WY
  • Average rainfall in July: 1.06"

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in July
Thermopolis, WY

Average rainfall days in July - Thermopolis, WY
  • Average rainfall days in July: 13 days

The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and December (4.3 days).

Average snowfall in July
Thermopolis, WY

Average snowfall in July - Thermopolis, WY
  • Average snowfall in July: 0"

The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July and August (0").

Average snowfall days in July
Thermopolis, WY

Average snowfall days in July - Thermopolis, WY
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in July /
Average sunshine in July
Thermopolis, WY

Average daylight in July / Average sunshine in July - Thermopolis, WY
  • Average daylight in July: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in July: 11h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

Average sunshine days in July
Thermopolis, WY

Average sunshine days in July - Thermopolis, WY
  • Average sunshine days in July: 12.2 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is May (10.1 days).

Average UV index in July
Thermopolis, WY

Average UV index in July - Thermopolis, WY
  • Average UV index in July: 6

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).

Average cloud cover in July
Thermopolis, WY

Average cloud cover in July - Thermopolis, WY
  • Average cloud cover in July: 14

The month with the most cloud cover is February (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 14).

Average visibility in July
Thermopolis, WY

Average visibility in July - Thermopolis, WY
  • Average visibility in July: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Thermopolis, Wyoming, USA

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