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
During August, Alder observes a subtle ascent to a still warm 78.3°F (25.7°C) from July's 79.5°F (26.4°C) in the average high-temperature. The average low-temperature reading in August for Alder reflects a significant fall from the daytime highs, stabilizing at a chilly 47.1°F (8.4°C).Humidity
July and August, with an average relative humidity of 46%, are the least humid months.Rainfall
In August, in Alder, the rain falls for 8.6 days. Throughout August, 0.63" (16mm) of precipitation is accumulated. In Alder, during the entire year, the rain falls for 158 days and collects up to 12.2" (310mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in August is 14h and 2min.On the first day of August in Alder, Montana, sunrise is at 6:13 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 8:07 pm MDT.
Sunshine
In Alder, Montana, the average sunshine in August is 11.7h.UV index
In August, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 4 in August transforms into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Alder in August?
What is the least humid month in Alder?
What is the average humidity in August in Alder?
How many days does it rain in August in Alder?
When it does not snow in Alder?
How many hours of daylight does Alder have in August?
When is the sunrise / sunset in August in Alder?
How many hours of sunshine does Alder have in August?
How high is the UV index in August in Alder?
Average temperature in August
Alder, MT
- Average high temperature in August: 78.3°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 August: 47.1°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 August
Alder, MT
- Average pressure in August: 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 August
Alder, MT
- Average wind speed in August: 4.6mph
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 August
Alder, MT
- Average humidity in August: 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 August
Alder, MT
- Average rainfall in August: 0.63"
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 August
Alder, MT
- Average rainfall days in August: 8.6 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 August
Alder, MT
- Average snowfall in August: 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 August
Alder, MT
- Average snowfall days in August: 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 August /
Average sunshine in August
Alder, MT
- Average daylight in August: 14h and 0min
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 August: 11h and 4min
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 August
Alder, MT
- Average sunshine days in August: 17.3 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 August
Alder, 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, February, March, April, October, November and December (UV index 2).
Average cloud cover in August
Alder, MT
- Average cloud cover in August: 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 August
Alder, MT
- Average visibility in August: 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).
Alder, Montana, USA
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