July weather forecast
Boise, ID

The golden fall season in Boise, Idaho
The golden fall season in Boise, Idaho

Weather in July

July in Boise, Idaho, is a hot summer month, with an average temperature varying between 87.8°F (31°C) and 60.6°F (15.9°C).

Temperature

The warmest month is July, with an average high-temperature of 87.8°F (31°C) and an average low-temperature of 60.6°F (15.9°C).

Humidity

The least humid month in Boise is July, with an average relative humidity of 30%.

Rainfall

July is the month with the least rainfall in Boise. Rain falls for 4.5 days and accumulates 0.2" (5mm) of precipitation.

Snowfall

In Boise, snow does not fall in May through October.

Daylight

The average length of the day in July in Boise is 15h and 3min.
On the first day of the month, sunrise is at 6:07 am and sunset at 9:30 pm. On the last day of July, in Boise, sunrise is at 6:33 am and sunset at 9:09 pm MDT.

Sunshine

July has the most sunshine of the year in Boise, Idaho, with an average of 12.1h of sunshine.

UV index

The month with the highest UV index in Boise is July, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 7 in July transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the warmest month in Boise?

July is the warmest month in Boise, with an average high-temperature of 87.8°F (31°C) and an average low-temperature of 60.6°F (15.9°C).

What is the least humid month in Boise?

With an average relative humidity of 30%, July is the least humid month.

What is the average humidity in July in Boise?

In July, the average relative humidity in Boise is 30%.

What is the driest month in Boise?

July is the month with the least rainfall in Boise, Idaho. Rain falls for 4.5 days and accumulates 0.2" (5mm) of precipitation.

How much does it rain in Boise in July?

In Boise, in July, during 4.5 rainfall days, 0.2" (5mm) of precipitation is typically accumulated.

When it does not snow in Boise?

May through October are months without snowfall in Boise, Idaho.

How many hours of daylight does Boise have in July?

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

When is the sunrise / sunset in July in Boise?

In July, on the first day of the month, sunrise is at 6:07 am and sunset at 9:30 pm. On the last day of the month, in Boise, Idaho, sunrise is at 6:33 am and sunset at 9:09 pm MDT.

What month has the most sunshine in Boise?

With an average of 12.1h of sunshine, July has the most sunshine of the year.

How long on average sun shines in July in Boise?

In July, the average sunshine duration in Boise, Idaho, is 12.1h.

When is the highest UV index in Boise?

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

What is the UV index intensity in July in Boise?

In Boise, Idaho, the average daily maximum UV index in July is 7. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Boise, ID

Average temperature in July - Boise, ID
  • Average high temperature in July: 87.8°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (34.7°F).

  • Average low temperature in July: 60.6°F

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).

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Average pressure in July
Boise, ID

Average pressure in July - Boise, ID
  • Average pressure in July: 29.91"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in July
Boise, ID

Average wind speed in July - Boise, ID
  • Average wind speed in July: 5.6mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).

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Average humidity in July
Boise, ID

Average humidity in July - Boise, ID
  • Average humidity in July: 30%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (30%).

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Average rainfall in July
Boise, ID

Average rainfall in July - Boise, ID
  • Average rainfall in July: 0.2"

The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.2").

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Average rainfall days in July
Boise, ID

Average rainfall days in July - Boise, ID
  • Average rainfall days in July: 4.5 days

The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is July (4.5 days).

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Average snowfall in July
Boise, ID

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

The month with the highest snowfall is December (6.65").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Boise, ID

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

The month with the highest number of snowfall days is December (9.2 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
Boise, ID

Average daylight in July / Average sunshine in July - Boise, ID
  • Average daylight in July: 15h and 3min

The month with the longest days is June (Average daylight: 15h and 23min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in July: 12h and 6min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in July
Boise, ID

Average sunshine days in July - Boise, ID
  • Average sunshine days in July: 23.6 days

The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is March (12.1 days).

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Average UV index in July
Boise, ID

Average UV index in July - Boise, 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
Boise, ID

Average cloud cover in July - Boise, ID
  • Average cloud cover in July: 8

The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in July
Boise, ID

Average visibility in July - Boise, ID
  • 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).

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