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
August brings a marginal elevation to a still warm 76.3°F (24.6°C) from July's 77°F (25°C) in Darby's average high-temperatures. August nights in Darby report a substantial dip from daytime highs to an average of 46.9°F (8.3°C).Humidity
The least humid month in Darby is August, with an average relative humidity of 50%.Rainfall
The month with the least rainfall is August, when the rain falls for 8.7 days and typically collects 0.75" (19mm) of precipitation.Snowfall
In Darby, snow does not fall in June through August.Daylight
The average length of the day in August is 14h and 5min.On the first day of the month, sunrise is at 6:20 am and sunset at 9:05 pm. On the last day of August, sunrise is at 6:57 am and sunset at 8:16 pm MDT.
Sunshine
July and August, with an average of 11.7h of sunshine, are months with the most sunshine in Darby.UV index
In August, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In August, the maximum UV index of 4 suggests this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What are August temperatures in Darby?
What is the least humid month in Darby?
What is the average humidity in August in Darby?
What is the driest month in Darby?
How much does it rain in Darby in August?
When it does not snow in Darby?
Does it snow in Darby in August?
What is the average length of the day in August in Darby?
When are sunrise and sunset in August in Darby?
What are the months with the most sunshine in Darby?
How long on average sun shines in August in Darby?
How high is the UV index in August in Darby?
Average temperature in August
Darby, MT
- Average high temperature in August: 76.3°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.8°F).
- Average low temperature in August: 46.9°F
The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (14°F).
Average pressure in August
Darby, MT
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Darby, MT
- Average wind speed in August: 4.1mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in August
Darby, MT
- Average humidity in August: 50%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (50%).
Average rainfall in August
Darby, MT
- Average rainfall in August: 0.75"
The wettest months (with the highest rainfall) are February and April (2.36").
The driest month (with the least rainfall) is August (0.75").
Average rainfall days in August
Darby, MT
- Average rainfall days in August: 8.7 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is July (8 days).
Average snowfall in August
Darby, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (13.03").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Darby, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (19.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Darby, MT
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 11h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in August
Darby, MT
- Average sunshine days in August: 17.4 days
The month with the most sunshine days is July (18.9 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in August
Darby, 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 February and December (UV index 1).
Average cloud cover in August
Darby, MT
- Average cloud cover in August: 13
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in August
Darby, MT
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Darby, Montana, USA
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