July weather forecastHarrison, MT
July
Weather in July
July in Harrison, Montana, is a warm summer month, with an average temperature fluctuating between 83.5°F (28.6°C) and 50.2°F (10.1°C).Temperature
July, marked by an average high-temperature of 83.5°F (28.6°C) and a low-temperature of 50.2°F (10.1°C), is the warmest month.Heat index
In July, the average heat index is appraised at 84.2°F (29°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.The standards for the heat index are set for locations in shade and under light breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The average relative humidity in July is 46%.Rainfall
In July, the rain falls for 8.4 days. Throughout July, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 134.2 rainfall days, and 11.34" (288mm) of precipitation is accumulated.Snowfall
In Harrison, snow does not fall in July and August.Daylight
The average length of the day in July is 15h and 17min.On the first day of July, sunrise is at 5:42 am and sunset at 9:20 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:56 pm MDT.
Sunshine
With an average of 11.8h of sunshine, July has the most sunshine of the year in Harrison.UV index
With an average maximum UV index of 6, July is the month with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In July, a regular UV index of 6 translates into these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Harrison, MT
- Average high temperature in July: 83.5°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (28°F).
- Average low temperature in July: 50.2°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (12.7°F).
Average pressure in July
Harrison, MT
- Average pressure in July: 29.96"Hg
The months with the highest atmospheric pressure are January and December (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in July
Harrison, MT
- Average wind speed in July: 4.3mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in July
Harrison, MT
- Average humidity in July: 46%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (44%).
Average rainfall in July
Harrison, MT
- Average rainfall in July: 0.71"
The wettest month (with the highest rainfall) is June (1.57").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in July
Harrison, MT
- Average rainfall days in July: 8.4 days
The month with the highest number of rainy days is April (16.5 days).
The month with the least rainy days is August (7.6 days).
Average snowfall in July
Harrison, MT
- Average snowfall in July: 0"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are July and August (0").
Average snowfall days in July
Harrison, MT
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (16.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in July /
Average sunshine in July
Harrison, MT
- Average daylight in July: 15h and 18min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in July: 11h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in July
Harrison, MT
- Average sunshine days in July: 18.4 days
The month with the most sunshine days is September (18.7 days).
The month with the least sunshine days is April (9.3 days).
Average UV index in July
Harrison, MT
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Harrison, MT
- Average cloud cover in July: 14
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in July
Harrison, MT
- Average visibility in July: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
