July weather forecastHarrison, ID
July
Weather in July
July in Harrison, Idaho, is a warm summer month, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 81°F (27.2°C).Temperature
Harrison sees an increase in average high-temperatures during July, moving from an agreeable 69.6°F (20.9°C) in June to a moderately hot 81°F (27.2°C). July presents a sharp fall from Harrison's daytime highs to an average low-temperature of 51.6°F (10.9°C).Heat index
During July, the heat index is calculated to be 82.4°F (28°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In July, the average relative humidity is 50%.Rainfall
The month with the least rainfall is July, when the rain falls for 6 days and typically collects 0.43" (11mm) of precipitation.Snowfall
In Harrison, snow does not fall in June through August.Daylight
In Harrison, the average length of the day in July is 15h and 30min.On the first day of the month, sunrise is at 4:54 am and sunset at 8:47 pm. On the last day of July, in Harrison, sunrise is at 5:25 am and sunset at 8:22 pm PDT.
Sunshine
In July, the average sunshine is 11.7h.UV index
The month with the highest UV index is July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In July, the maximum UV index of 6 suggests these recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. 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. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Harrison, ID
- Average high temperature in July: 81°F
The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is December (32.2°F).
- Average low temperature in July: 51.6°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (22.1°F).
Average pressure in July
Harrison, ID
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in July
Harrison, ID
- Average wind speed in July: 4.5mph
The windiest month (with the highest average wind speed) is April (5.4mph).
The calmest months (with the lowest average wind speed) are August, September and December (4.3mph).
Average humidity in July
Harrison, ID
- Average humidity in July: 50%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (47%).
Average rainfall in July
Harrison, ID
- Average rainfall in July: 0.43"
The wettest month (with the highest rainfall) is January (3.39").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in July
Harrison, ID
- Average rainfall days in July: 6 days
The month with the highest number of rainy days is March (18.6 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in July
Harrison, ID
- Average snowfall in July: 0"
The month with the highest snowfall is January (15.2").
The months with the least snowfall are June, July and August (0").
Average snowfall days in July
Harrison, ID
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (16.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Harrison, ID
- Average daylight in July: 15h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in July: 11h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in July
Harrison, ID
- Average sunshine days in July: 22.8 days
The month with the most sunshine days is July (22.8 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in July
Harrison, ID
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in July
Harrison, ID
- Average cloud cover in July: 14
The months with the most cloud cover are January and December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in July
Harrison, ID
- Average visibility in July: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).





