July weather forecastBoise, ID
July
Weather in July
July brings the heatwave to Boise, Idaho, with peak summer temperatures. Although it's the dry season, occasional thunderstorms can bring a rapid change in the weather. Despite being the hottest month, the comfortable wind speed makes the searing heat bearable during the day. Alongside, long daylight hours allow plenty of time to enjoy sunny days. The highest temperatures are often recorded in July, typically soaring to around 87.8°F (31°C).Temperature
In Boise, the month of July is known for its highest average temperatures, reaching a high of 87.8°F (31°C) and a low of 60.6°F (15.9°C).Humidity
The least humid month 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
In July, the average length of the day is 15h and 3min.On the first day of July, sunrise is at 6:07 am and sunset at 9:30 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 9:08 pm MDT.
Sunshine
The month with the most sunshine is July, with an average of 12.1h of sunshine.UV index
With an average maximum UV index of 7, July is the month with the highest UV index in Boise. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In July, a daily UV index of 7 turns into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in July /
Average sunshine in July
Boise, ID
- Average daylight in July: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
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).
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).
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).
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).
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).
