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

In Jerome, the highest average temperatures are observed in July, with a high of 89.6°F (32°C) and a low of 60.8°F (16°C).

Humidity

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

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

In Jerome, snow does not fall in May through September.

Daylight

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

Sunshine

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

UV index

July is the month with the highest UV index in Jerome, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 7 in July translates into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

What month is the hottest in Jerome?

July, having an average high-temperature of 89.6°F (32°C) and an average low-temperature of 60.8°F (16°C), is the warmest month in Jerome.

How hot is it in Jerome in July?

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

What is the least humid month in Jerome?

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

What is the average humidity in July in Jerome?

The average relative humidity in July in Jerome, Idaho, is 29%.

What is the driest month in Jerome?

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

How many days does it rain in July in Jerome?

In Jerome, in July, it is raining for 3.3 days, with typically 0.16" (4mm) of accumulated precipitation.

When it does not snow in Jerome?

In Jerome, snow does not fall in May through September.

How many hours of daylight does Jerome have in July?

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

When is the sunrise / sunset in July in Jerome?

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 in Jerome?

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

How long on average sun shines in July in Jerome?

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

When is the highest UV index in Jerome?

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

How high is the UV index in July in Jerome?

In July, the average daily maximum UV index in Jerome, Idaho, is 7. A UV Index value 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
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Jerome, Idaho, USA

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