July weather forecast
Twin Falls, ID

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The high water of the Shoshone Falls in Twin Falls, Idaho, falling over the high rock cliffs and flowing into a river below
The high water of the Shoshone Falls in Twin Falls, Idaho, falling over the high rock cliffs and flowing into a river below

Weather in July

July is the warmest month in Twin Falls, with temperatures peaking to a scorching high of 89.6°F (32°C). Rainfall is at its lowest for the year, with a mere 0.24" (6mm), and the city is embraced in a dry, hot summer. The extreme heat pushes locals towards indoor activities or encourages them to seek solace in nearby waterbodies or shaded areas. Despite the extreme temperatures, the city flourishes under the relentless sun, and life continues at a slightly slower pace. While July tests the endurance of residents with its immense heat, it also highlights the vibrancy and resilience of Twin Falls.

Temperature

Twin Falls's July weather, marked by an average high temperature of 89.6°F (32°C) and an average low temperature of 62.1°F (16.7°C), is the warmest in the year.

Humidity

July is the least humid month, with an average relative humidity of 28%.

Rainfall

July and August are months with the least rain when the rain falls for 4.5 days and typically aggregates up to 0.24" (6mm) of rain.

Snowfall

May through September are months without snowfall in Twin Falls.

Daylight

In Twin Falls, the average length of the day in July is 14h and 56min.
On the first day of July in Twin Falls, sunrise is at 6:04 am and sunset at 9:19 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:58 pm MDT.

Sunshine

July has the most sunshine of the year, with an average of 12h of sunshine.

UV index

July is the month with the highest UV index, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 7 in July converts into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

The month of July, characterized by an average high of 89.6°F (32°C) and a low of 62.1°F (16.7°C), is recognized as the warmest in Twin Falls.

How hot does it get in Twin Falls in July?

In Twin Falls, 89.6°F (32°C) is the average high-temperature and 62.1°F (16.7°C) is the average low-temperature during July.

What is the least humid month?

With an average relative humidity of 28%, July is the least humid month in Twin Falls.

What is the average humidity in July?

The average relative humidity in July is 28%.

What is the driest month?

July and August are months with the least rain when the rain falls for 4.5 days and typically aggregates up to 0.24" (6mm) of rain.

How much does it rain in July?

In July, the rain falls for 4.5 days. Throughout July, 0.24" (6mm) of precipitation is accumulated.

When it does not snow in Twin Falls?

May through September are months without snowfall.

What is the average length of the day in July?

In July, the average day length is 14h and 56min.

When are sunrise and sunset in July in Twin Falls?

On the first day of July, sunrise is at 6:04 am and sunset at 9:19 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:58 pm MDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 12h of sunshine.

How many hours of sunshine does Twin Falls have in July?

The average sunshine duration in July is 12h.

When is the highest UV index?

The month with the highest UV index is July, with an average maximum UV index of 7.

What is the UV index reading in July?

In Twin Falls, the average daily maximum UV index in July is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
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
Twin Falls, ID

Average temperature in July - Twin Falls, ID
  • Average high temperature in July: 89.6°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is December (34°F).

  • Average low temperature in July: 62.1°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (23°F).

Average pressure in July
Twin Falls, ID

Average pressure in July - Twin Falls, ID
  • Average pressure in July: 29.88"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in July
Twin Falls, ID

Average wind speed in July - Twin Falls, ID
  • Average wind speed in July: 7.8mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

Average humidity in July
Twin Falls, ID

Average humidity in July - Twin Falls, ID
  • Average humidity in July: 28%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is July (28%).

Average rainfall in July
Twin Falls, ID

Average rainfall in July - Twin Falls, ID
  • Average rainfall in July: 0.24"

The wettest month (with the highest rainfall) is December (1.3").
The driest months (with the least rainfall) are July and August (0.24").

Average rainfall days in July
Twin Falls, ID

Average rainfall days in July - Twin Falls, ID
  • Average rainfall days in July: 4.5 days

The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (4.4 days).

Average snowfall in July
Twin Falls, ID

Average snowfall in July - Twin Falls, ID
  • Average snowfall in July: 0"

The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Twin Falls, ID

Average snowfall days in July - Twin Falls, ID
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Twin Falls, ID

Average daylight in July / Average sunshine in July - Twin Falls, ID
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in July: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

Average sunshine days in July
Twin Falls, ID

Average sunshine days in July - Twin Falls, ID
  • Average sunshine days in July: 23.2 days

The month with the most sunshine days is August (23.3 days).
The month with the least sunshine days is March (14.7 days).

Average UV index in July
Twin Falls, ID

Average UV index in July - Twin Falls, ID
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in July
Twin Falls, ID

Average cloud cover in July - Twin Falls, ID
  • Average cloud cover in July: 10

The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 10).

Average visibility in July
Twin Falls, ID

Average visibility in July - Twin Falls, ID
  • Average visibility in July: 6mi

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

Twin Falls, Idaho, USA

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