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

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

Rainfall

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

Snowfall

In Twin Falls, Idaho, snow does not fall in May through September.

Daylight

The average length of the day in July is 14h and 56min.
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.

Sunshine

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

UV index

July is the month with the highest UV index in Twin Falls, Idaho, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 7 in July translates into these instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What part of the year is the hottest in Twin Falls?

Twin Falls experiences its average highest temperatures in July, reaching a peak of 89.6°F (32°C) and a minimum of 62.1°F (16.7°C).

How hot is it in Twin Falls in July?

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

What is the least humid month in Twin Falls?

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

What is the average humidity in July in Twin Falls?

In Twin Falls, the average relative humidity in July is 28%.

What is the driest month in Twin Falls?

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 Twin Falls in July?

In Twin Falls, in July, it is raining for 4.5 days, with typically 0.24" (6mm) of accumulated precipitation.

When it does not snow in Twin Falls?

In Twin Falls, snow does not fall in May through September.

What is the average length of the day in July in Twin Falls?

The average day length in July in Twin Falls is 14h and 56min.

When are sunrise and sunset in July in Twin Falls?

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

What month has the most sunshine in Twin Falls?

July has the most sunshine of the year in Twin Falls, Idaho, with an average of 12h of sunshine.

How long on average sun shines in July in Twin Falls?

In Twin Falls, Idaho, the average sunshine duration in July is 12h.

When is the highest UV index in Twin Falls?

July is the month with the highest UV index in Twin Falls, Idaho, with an average maximum UV index of 7.

What is the UV index reading in July in Twin Falls?

In July, the average daily maximum UV index in Twin Falls is 7. A UV Index of 6 to 7 symbolizes a high health risk from 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Twin Falls, Idaho, USA

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