August weather forecastAltamont, WY
August
Weather in August
August, the last month of the summer in Altamont, is also a moderately hot month, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 77.5°F (25.3°C).Temperature
Altamont registers an average high-temperature of a still warm 77.5°F (25.3°C) at the commencement of August, closely related to the preceding month. Altamont reports a marked divergence from daytime peaks throughout August, with lows averaging at a fresh 51.4°F (10.8°C).Humidity
The least humid month is August, with an average relative humidity of 39%.Rainfall
August is the month with the least rainfall in Altamont. Rain falls for 7.3 days and accumulates 0.51" (13mm) of precipitation.Snowfall
July and August are months without snowfall.Daylight
In Altamont, the average length of the day in August is 13h and 46min.On the first day of August, sunrise is at 6:19 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 7:56 pm MDT.
Sunshine
With an average of 12h of sunshine, August has the most sunshine of the year.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In August, the maximum UV index of 5 suggests these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Altamont, WY
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.4°F).
- Average low temperature in August: 51.4°F
The month with the highest average low temperature is July (51.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in August
Altamont, WY
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Altamont, WY
- Average wind speed in August: 7mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in August
Altamont, WY
- Average humidity in August: 39%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (39%).
Average rainfall in August
Altamont, WY
- Average rainfall in August: 0.51"
The wettest months (with the highest rainfall) are April and May (1.38").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in August
Altamont, WY
- Average rainfall days in August: 7.3 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in August
Altamont, WY
- Average snowfall in August: 0"
The month with the highest snowfall is March (10").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Altamont, WY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (16.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Altamont, WY
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in August
Altamont, WY
- Average sunshine days in August: 16.8 days
The month with the most sunshine days is June (19.5 days).
The month with the least sunshine days is April (10.8 days).
Average UV index in August
Altamont, WY
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in August
Altamont, WY
- Average cloud cover in August: 10
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in August
Altamont, WY
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
