July weather forecastHalfmoon, MT
July
Weather in July
July in Halfmoon, Montana, is a moderately hot summer month, with an average temperature ranging between max 77.9°F (25.5°C) and min 45.1°F (7.3°C).Temperature
In Halfmoon, July is the warmest month, with temperatures averaging a high of 77.9°F (25.5°C) and a low of 45.1°F (7.3°C).Humidity
The average relative humidity in July is 56%.Rainfall
In Halfmoon, in July, during 6.9 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. Throughout the year, in Halfmoon, there are 126.4 rainfall days, and 11.22" (285mm) of precipitation is accumulated.Snowfall
June through August are months without snowfall.Daylight
The average length of the day in July is 15h and 38min.On the first day of the month, sunrise is at 5:40 am and sunset at 9:41 pm. On the last day of July, sunrise is at 6:11 am and sunset at 9:14 pm MDT.
Sunshine
The month with the most sunshine in Halfmoon is July, with an average of 11.9h of sunshine.UV index
July is the month with the highest UV index, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In July, the UV index of 6 transforms into the following advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Halfmoon, MT
- Average high temperature in July: 77.9°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in July: 45.1°F
The month with the highest average low temperature is August (45.5°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).
Average pressure in July
Halfmoon, MT
- Average pressure in July: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Halfmoon, MT
- Average wind speed in July: 4mph
The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest months (with the lowest average wind speed) are August and December (3.7mph).
Average humidity in July
Halfmoon, MT
- Average humidity in July: 56%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).
Average rainfall in July
Halfmoon, MT
- Average rainfall in July: 0.47"
The wettest month (with the highest rainfall) is June (1.42").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in July
Halfmoon, MT
- Average rainfall days in July: 6.9 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in July
Halfmoon, MT
- Average snowfall in July: 0"
The month with the highest snowfall is January (7.72").
The months with the least snowfall are June, July and August (0").
Average snowfall days in July
Halfmoon, MT
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (19.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in July /
Average sunshine in July
Halfmoon, MT
- Average daylight in July: 15h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in July: 11h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in July
Halfmoon, MT
- Average sunshine days in July: 21.5 days
The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in July
Halfmoon, MT
- 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
Halfmoon, MT
- Average cloud cover in July: 15
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in July
Halfmoon, MT
- Average visibility in July: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).





