July weather forecastHelmville, MT
July
Weather in July
July is a warm summer month in Helmville, Montana, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 46°F (7.8°C).Temperature
July, on average, is the warmest month, registering a high temperature of 78.1°F (25.6°C) and a low of 46°F (7.8°C).Humidity
July and August, with an average relative humidity of 49%, are the least humid months.Rainfall
In Helmville, during July, the rain falls for 7.6 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, in Helmville, Montana, there are 114.8 rainfall days, and 12.13" (308mm) of precipitation is accumulated.Snowfall
July and August are months without snowfall.Daylight
The average length of the day in July in Helmville is 15h and 26min.On the first day of July in Helmville, sunrise is at 5:41 am and sunset at 9:29 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 9:04 pm MDT.
Sunshine
The month with the most sunshine is July, with an average of 11.9h of sunshine.UV index
With an average maximum UV index of 5, July is the month with the highest UV index in Helmville. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In July, the maximum UV index of 5 suggests this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Helmville, MT
- Average high temperature in July: 78.1°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in July: 46°F
The month with the highest average low temperature is August (46.6°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).
Average pressure in July
Helmville, MT
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Helmville, MT
- Average wind speed in July: 5mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in July
Helmville, MT
- Average humidity in July: 49%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are July and August (49%).
Average rainfall in July
Helmville, MT
- Average rainfall in July: 0.75"
The wettest month (with the highest rainfall) is June (1.81").
The driest months (with the least rainfall) are August, September and October (0.59").
Average rainfall days in July
Helmville, MT
- Average rainfall days in July: 7.6 days
The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in July
Helmville, MT
- Average snowfall in July: 0"
The month with the highest snowfall is February (9.76").
The months with the least snowfall are July and August (0").
Average snowfall days in July
Helmville, MT
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (18.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in July /
Average sunshine in July
Helmville, MT
- Average daylight in July: 15h and 24min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in July: 11h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in July
Helmville, MT
- Average sunshine days in July: 20.7 days
The month with the most sunshine days is September (21.9 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in July
Helmville, MT
- Average UV index in July: 5
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in July
Helmville, MT
- Average cloud cover in July: 13
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in July
Helmville, MT
- Average visibility in July: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
