Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
With average high temperatures of 80.2°F (26.8°C) and lows of 50.4°F (10.2°C), July is the warmest month.Humidity
The months with the lowest humidity in Helena are July and August, with an average relative humidity of 46%.Rainfall
In July, the rain falls for 8.8 days. Throughout July, 0.83" (21mm) of precipitation is accumulated. In Helena, during the entire year, the rain falls for 123.7 days and collects up to 12.4" (315mm) of precipitation.Snowfall
June through August are months without snowfall in Helena, Montana.Daylight
The average length of the day in July is 15h and 23min.On the first day of the month, sunrise is at 5:39 am and sunset at 9:24 pm. On the last day of July, sunrise is at 6:08 am and sunset at 9:00 pm MDT.
Sunshine
The month with the most sunshine in Helena is July, with an average of 11.7h of sunshine.UV index
July is the month with the highest UV index, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: In July, the maximum UV index of 6 suggests these recommendations:
Deflect overexposure. Sun protection is a necessity. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest in Helena?
What is the average July temperature in Helena?
What is the least humid month in Helena?
What is the average humidity in July in Helena?
How much does it rain in Helena in July?
When it does not snow in Helena?
What is the average length of the day in July in Helena?
When are sunrise and sunset in July in Helena?
What month has the most sunshine in Helena?
How many hours of sunshine does Helena have in July?
What is the month with the highest UV index in Helena?
How high is the UV index in July in Helena?
Average temperature in July
Helena, MT
- Average high temperature in July: 80.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (27.7°F).
- Average low temperature in July: 50.4°F
The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is December (14.2°F).
Average pressure in July
Helena, MT
- Average pressure in July: 29.95"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in July
Helena, MT
- Average wind speed in July: 5.2mph
The windiest month (with the highest average wind speed) is November (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in July
Helena, MT
- Average humidity in July: 46%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (46%).
Average rainfall in July
Helena, MT
- Average rainfall in July: 0.83"
The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and December (0.63").
Average rainfall days in July
Helena, MT
- Average rainfall days in July: 8.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (7 days).
Average snowfall in July
Helena, MT
- Average snowfall in July: 0"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July and August (0").
Average snowfall days in July
Helena, MT
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (16.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in July /
Average sunshine in July
Helena, MT
- Average daylight in July: 15h and 2min
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 4min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in July
Helena, MT
- Average sunshine days in July: 20.5 days
The month with the most sunshine days is July (20.5 days).
The month with the least sunshine days is April (9.8 days).
Average UV index in July
Helena, 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 February (UV index 1).
Average cloud cover in July
Helena, MT
- Average cloud cover in July: 15
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in July
Helena, 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 months with the lowest visibility are January, February and December (5mi).
Helena, Montana, USA
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