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
The month of July sees the highest average temperatures, reaching 79.5°F (26.4°C) at the peak and 47.7°F (8.7°C) at the low.Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 46%.Rainfall
In Mammoth, during July, the rain falls for 8.8 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, there are 158 rainfall days, and 12.2" (310mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Mammoth.Daylight
In July, the average length of the day in Mammoth is 15h and 17min.On the first day of the month, sunrise is at 5:43 am and sunset at 9:21 pm. On the last day of July, sunrise is at 6:11 am and sunset at 8:57 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. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 5 during July leads to these instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year?
What is the temperature in July?
What are the least humid months?
What is the average humidity in July?
How much does it rain in July?
When it does not snow in Mammoth?
How many hours of daylight does Mammoth have in July?
When are sunrise and sunset in July?
What month has the most sunshine in Mammoth?
How many hours of sunshine does Mammoth have in July?
When is the highest UV index?
What is the UV index intensity in July?
Average temperature in July
Mammoth, MT
- Average high temperature in July: 79.5°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is December (26.4°F).
- Average low temperature in July: 47.7°F
The month with the highest average low temperature is July (47.7°F).
The coldest month (with the lowest average low temperature) is December (11.3°F).
Average pressure in July
Mammoth, MT
- Average pressure in July: 29.98"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Mammoth, MT
- Average wind speed in July: 4.8mph
The windiest month (with the highest average wind speed) is November (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in July
Mammoth, 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
Mammoth, MT
- Average rainfall in July: 0.67"
The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in July
Mammoth, MT
- Average rainfall days in July: 8.8 days
The month with the highest number of rainy days is April (18.6 days).
The month with the least rainy days is August (8.6 days).
Average snowfall in July
Mammoth, MT
- Average snowfall in July: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Mammoth, MT
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Mammoth, MT
- Average daylight in July: 15h and 2min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in July: 11h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in July
Mammoth, MT
- Average sunshine days in July: 17.8 days
The month with the most sunshine days is July (17.8 days).
The month with the least sunshine days is April (7.8 days).
Average UV index in July
Mammoth, MT
- Average UV index in July: 5
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in July
Mammoth, MT
- Average cloud cover in July: 14
The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in July
Mammoth, 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).
Mammoth, Montana, USA
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