July weather forecast
Jerome, ID

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The high rocks around the Snake River near the iconic Shoshone Falls in Jerome County, Idaho
The high rocks around the Snake River near the iconic Shoshone Falls in Jerome County, Idaho

Weather in July

July beats every other month in terms of heat in Jerome, Idaho. The shift in weather patterns from June to July results in the highest temperatures of the year, hitting a peak of 89.6°F (32°C). Residents take advantage of the peak summer weather for beach trips, picnics, and other outdoor activities. The long, sunny days and warm nights are typical of July's weather, leading to the slightly less intense temperatures in August.

Temperature

With average high and low temperatures of 89.6°F (32°C) and 60.8°F (16°C) respectively, July is Jerome's warmest month.

Humidity

July and August, with an average relative humidity of 29%, are the least humid months.

Rainfall

The month with the least rainfall is July, when the rain falls for 3.3 days and typically collects 0.16" (4mm) of precipitation.

Snowfall

May through September are months without snowfall in Jerome.

Daylight

In Jerome, the average length of the day in July is 14h and 57min.
On the first day of July, sunrise is at 6:04 am and sunset at 9:20 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:59 pm MDT.

Sunshine

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

UV index

With an average maximum UV index of 7, July is the month with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In July, a regular UV index of 7 translates into these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

Jerome's temperature records reveal July as the warmest month, marked by average highs of 89.6°F (32°C) and lows of 60.8°F (16°C).

How hot does it get in July?

The average high-temperature, in July, in Jerome, is 89.6°F (32°C), while the average low-temperature is 60.8°F (16°C).

What is the least humid month?

July and August, with an average relative humidity of 29%, are the least humid months.

What is the average humidity in July?

In Jerome, the average relative humidity in July is 29%.

What is the driest month?

July is the month with the least rainfall. Rain falls for 3.3 days and accumulates 0.16" (4mm) of precipitation.

How many days does it rain in July?

In July, the rain falls for 3.3 days. Throughout July, 0.16" (4mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in July?

In Jerome, the average day length in July is 14h and 57min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 6:04 am and sunset at 9:20 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:59 pm MDT.

What month has the most sunshine?

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

How many hours of sunshine does Jerome have in July?

In Jerome, the average sunshine duration in July is 12h.

What is the month with the highest UV index?

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

What is the UV index intensity in July?

In Jerome, Idaho, the average daily maximum UV index in July is 7. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's 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
Jerome, ID

Average temperature in July - Jerome, 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 (32.9°F).

  • Average low temperature in July: 60.8°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).

Average pressure in July
Jerome, ID

Average pressure in July - Jerome, 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
Jerome, ID

Average wind speed in July - Jerome, ID
  • Average wind speed in July: 7.4mph

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (7mph).

Average humidity in July
Jerome, ID

Average humidity in July - Jerome, ID
  • Average humidity in July: 29%

The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (29%).

Average rainfall in July
Jerome, ID

Average rainfall in July - Jerome, ID
  • Average rainfall in July: 0.16"

The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in July
Jerome, ID

Average rainfall days in July - Jerome, ID
  • Average rainfall days in July: 3.3 days

The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is July (3.3 days).

Average snowfall in July
Jerome, ID

Average snowfall in July - Jerome, ID
  • Average snowfall in July: 0"

The month with the highest snowfall is January (7.44").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Jerome, ID

Average snowfall days in July - Jerome, ID
  • Average snowfall days in July: 0 days

The months with the highest number of snowfall days are January and December (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Jerome, ID

Average daylight in July / Average sunshine in July - Jerome, ID
  • Average daylight in July: 15h and 0min

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 42min).

Average sunshine days in July
Jerome, ID

Average sunshine days in July - Jerome, ID
  • Average sunshine days in July: 25.2 days

The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (15.2 days).

Average UV index in July
Jerome, ID

Average UV index in July - Jerome, 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
Jerome, ID

Average cloud cover in July - Jerome, ID
  • Average cloud cover in July: 9

The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 9).

Average visibility in July
Jerome, ID

Average visibility in July - Jerome, 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).

Jerome, Idaho, USA

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