Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
As Geyser welcomes August, the average high-temperature is noted at an agreeable 72.1°F (22.3°C), closely aligning with the preceding month. In Geyser, August nights witness a remarkable decline from the day's zenith to a chilly 48.2°F (9°C).Humidity
August is the least humid month, with an average relative humidity of 53%.Rainfall
In Geyser, in August, during 13 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Geyser, during the entire year, the rain falls for 138.1 days and collects up to 28.58" (726mm) of precipitation.Snowfall
January through June, August through December are months with snowfall. August is the first month it typically snows in Geyser. Throughout August, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 137.4 snowfall days, and 110.08" (2796mm) of snow is accumulated.Daylight
The average length of the day in August is 14h and 11min.On the first day of August, sunrise is at 6:01 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 8:03 pm MDT.
Sunshine
In August, the average sunshine is 11.2h.UV index
The average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 4 during August, leads to the following recommendations:
Be vigilant - Preventing sunburn is recommended. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures?
What is the least humid month?
What is the average humidity in August?
How many days does it rain in August?
When does it start snowing in Geyser?
What is the average length of the day in August?
What time are sunrise and sunset in August?
How many hours of sunshine does Geyser have in August?
How high is the UV index in August?
Average temperature in August
Geyser, MT
- Average high temperature in August: 72.1°F
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is December (24.3°F).
- Average low temperature in August: 48.2°F
The months with the highest average low temperature are July and August (48.2°F).
The coldest month (with the lowest average low temperature) is December (11.7°F).
Average pressure in August
Geyser, MT
- Average pressure in August: 29.92"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Geyser, MT
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in August
Geyser, MT
- Average humidity in August: 53%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (53%).
Average rainfall in August
Geyser, MT
- Average rainfall in August: 1.93"
The wettest month (with the highest rainfall) is May (4.69").
The driest month (with the least rainfall) is December (1.26").
Average rainfall days in August
Geyser, MT
- Average rainfall days in August: 13 days
The month with the highest number of rainy days is June (20.9 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in August
Geyser, MT
- Average snowfall in August: 0.08"
The month with the highest snowfall is April (19.29").
The month with the least snowfall is July (0").
Average snowfall days in August
Geyser, MT
- Average snowfall days in August: 0.3 days
The month with the highest number of snowfall days is March (20.3 days).
The month with the least snowfall days is July (0 days).
Average daylight in August /
Average sunshine in August
Geyser, MT
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in August: 11h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Geyser, MT
- Average sunshine days in August: 14.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is May (4.7 days).
Average UV index in August
Geyser, MT
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in August
Geyser, MT
- Average cloud cover in August: 18
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in August
Geyser, MT
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is February (4mi).
Geyser, Montana, USA
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