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
Dell observes a minor difference in average high-temperatures between July's 76.6°F (24.8°C) and August's 75.4°F (24.1°C). Throughout August, Dell acknowledges a distinct difference between its daytime highs and the steady low average of 46.9°F (8.3°C).Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 43%.Rainfall
In Dell, during August, the rain falls for 7.8 days and regularly aggregates up to 0.59" (15mm) of precipitation. In Dell, Montana, during the entire year, the rain falls for 103.2 days and collects up to 9.84" (250mm) of precipitation.Snowfall
July and August are months without snowfall.Daylight
The average length of the day in August is 14h and 0min.On the first day of August in Dell, sunrise is at 6:17 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 8:08 pm MDT.
Sunshine
In August, the average sunshine is 11.6h.UV index
In August, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 4 in August translates into this advice:
Act with care - The suggestion to avoid sunburn is emphasized. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the least humid month?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
Does it snow in August?
What is the average length of the day in August?
When are sunrise and sunset in August?
How long on average sun shines in August?
What is the UV index intensity in August?
Average temperature in August
Dell, MT
- Average high temperature in August: 75.4°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is December (24.3°F).
- Average low temperature in August: 46.9°F
The month with the highest average low temperature is July (47.1°F).
The coldest month (with the lowest average low temperature) is December (9.9°F).
Average pressure in August
Dell, MT
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Dell, MT
- Average wind speed in August: 5.4mph
The windiest months (with the highest average wind speed) are November and December (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in August
Dell, MT
- Average humidity in August: 43%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in August
Dell, MT
- Average rainfall in August: 0.59"
The wettest month (with the highest rainfall) is June (1.73").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in August
Dell, MT
- Average rainfall days in August: 7.8 days
The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in August
Dell, MT
- Average snowfall in August: 0"
The month with the highest snowfall is April (4.96").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Dell, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Dell, MT
- Average daylight in August: 14h and 0min
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 August: 11h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in August
Dell, MT
- Average sunshine days in August: 19.3 days
The month with the most sunshine days is July (20.7 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in August
Dell, MT
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in August
Dell, MT
- Average cloud cover in August: 14
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in August
Dell, MT
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is February (4mi).
Dell, Montana, USA
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