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 its high average temperature of 72.9°F (22.7°C) and a low of 43.5°F (6.4°C), July is regarded as the warmest month.Humidity
In July, the average relative humidity in West Yellowstone is 51%.Rainfall
July is the month with the least rainfall in West Yellowstone, Montana. Rain falls for 11.9 days and accumulates 0.91" (23mm) of precipitation.Snowfall
Months with snowfall are January through July, September through December. July is the last month it regularly snows. During 0.2 snowfall days, in July, West Yellowstone aggregates 0.08" (2mm) of snow. Throughout the year, in West Yellowstone, there are 159.3 snowfall days, and 120.47" (3060mm) of snow is accumulated.Daylight
In July, the average length of the day is 15h and 10min.On the first day of July in West Yellowstone, Montana, sunrise is at 5:43 am and sunset at 9:13 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:50 pm MDT.
Sunshine
July has the most sunshine of the year in West Yellowstone, with an average of 11.8h of sunshine.UV index
The month with the highest UV index in West Yellowstone is July, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 during July leads to these advisories:
Put precautions into practice - Protective measures against sun-induced damage are advised. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest in West Yellowstone?
What is the usual temperature for West Yellowstone in July?
What is the average humidity in July in West Yellowstone?
What is the driest month in West Yellowstone?
How many days does it rain in July in West Yellowstone?
What is the last month it snows in West Yellowstone?
How many hours of daylight does West Yellowstone have in July?
When is the sunrise / sunset in July in West Yellowstone?
What month has the most sunshine in West Yellowstone?
How long on average sun shines in July in West Yellowstone?
When is the highest UV index in West Yellowstone?
What is the UV index intensity in July in West Yellowstone?
Average temperature in July
West Yellowstone, MT
- Average high temperature in July: 72.9°F
The warmest month (with the highest average high temperature) is July (72.9°F).
The month with the lowest average high temperature is December (20.1°F).
- Average low temperature in July: 43.5°F
The month with the highest average low temperature is August (43.7°F).
The coldest month (with the lowest average low temperature) is December (4.8°F).
Average pressure in July
West Yellowstone, MT
- Average pressure in July: 29.98"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
West Yellowstone, MT
- Average wind speed in July: 6.2mph
The windiest month (with the highest average wind speed) is June (6.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in July
West Yellowstone, MT
- Average humidity in July: 51%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is August (50%).
Average rainfall in July
West Yellowstone, MT
- Average rainfall in July: 0.91"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in July
West Yellowstone, MT
- Average rainfall days in July: 11.9 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (2.2 days).
Average snowfall in July
West Yellowstone, MT
- Average snowfall in July: 0.08"
The month with the highest snowfall is February (17.83").
The month with the least snowfall is August (0").
Average snowfall days in July
West Yellowstone, MT
- Average snowfall days in July: 0.2 days
The month with the highest number of snowfall days is March (24.4 days).
The months with the least snowfall days are July and August (0.2 days).
Average daylight in July /
Average sunshine in July
West Yellowstone, MT
- Average daylight in July: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in July: 11h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 18min).
Average sunshine days in July
West Yellowstone, MT
- Average sunshine days in July: 14.7 days
The months with the most sunshine days are July and September (14.7 days).
The month with the least sunshine days is February (5.3 days).
Average UV index in July
West Yellowstone, 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 1).
Average cloud cover in July
West Yellowstone, MT
- Average cloud cover in July: 16
The month with the most cloud cover is February (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in July
West Yellowstone, MT
- Average visibility in July: 6mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March and December (3mi).
West Yellowstone, Montana, USA
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