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 Donnelly transitions from July to August, the average high-temperatures adjust to a still warm 78.4°F (25.8°C), nearly the same as the previous 79.2°F (26.2°C). Donnelly's daily high temperature significantly diverges from the consistently recorded temperature low averaging a fresh 50°F (10°C) in August.Humidity
The least humid month in Donnelly is August, with an average relative humidity of 42%.Rainfall
In Donnelly, in August, during 4.9 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. Throughout the year, there are 98.1 rainfall days, and 22.64" (575mm) of precipitation is accumulated.Snowfall
July and August are months without snowfall.Daylight
In August, the average length of the day is 14h and 0min.On the first day of the month, sunrise is at 6:31 am and sunset at 9:09 pm. On the last day of August, sunrise is at 7:06 am and sunset at 8:22 pm MDT.
Sunshine
In August, the average sunshine is 11.4h.UV index
The average daily maximum UV index in August in Donnelly is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 4 in August leads to these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature?
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?
How many hours of daylight does Donnelly have in August?
What time are sunrise and sunset in August?
How long on average sun shines in August?
What is the UV index reading in August?
Average temperature in August
Donnelly, ID
- Average high temperature in August: 78.4°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 (28°F).
- Average low temperature in August: 50°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in August
Donnelly, ID
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Donnelly, ID
- Average wind speed in August: 5.1mph
The windiest months (with the highest average wind speed) are March and April (5.3mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in August
Donnelly, ID
- Average humidity in August: 42%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (42%).
Average rainfall in August
Donnelly, ID
- Average rainfall in August: 0.47"
The wettest month (with the highest rainfall) is March (3.31").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in August
Donnelly, ID
- Average rainfall days in August: 4.9 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in August
Donnelly, ID
- Average snowfall in August: 0"
The month with the highest snowfall is January (23.07").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Donnelly, ID
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (17 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Donnelly, ID
- 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 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in August
Donnelly, ID
- Average sunshine days in August: 22.3 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is March (10.1 days).
Average UV index in August
Donnelly, ID
- Average UV index in August: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in August
Donnelly, ID
- Average cloud cover in August: 10
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in August
Donnelly, ID
- 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 January (3mi).
Donnelly, Idaho, USA
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