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 Preston steps into August, the average high-temperature holds at a still warm 82.9°F (28.3°C), hinting at a minor fluctuation from the prior month. Preston observes a distinct decrease from peak daytime temperatures, with an average low-temperature of 53.4°F (11.9°C) throughout the month of August.Humidity
With an average relative humidity of 38%, August is the least humid month.Rainfall
In Preston, in August, during 6.5 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, there are 127.4 rainfall days, and 18.27" (464mm) of precipitation is accumulated.Snowfall
In Preston, snow does not fall in June through August.Daylight
The average length of the day in August in Preston is 13h and 50min.On the first day of August in Preston, sunrise is at 6:21 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 8:02 pm MDT.
Sunshine
The average sunshine in August is 11.9h.UV index
The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In August, a daily UV index of 5 turns into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in August?
What is the least humid month?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
Does it snow in August?
How many hours of daylight does Preston have in August?
When is the sunrise / sunset in August?
How long on average sun shines in August?
What is the UV index intensity in August?
Average temperature in August
Preston, ID
- Average high temperature in August: 82.9°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (28.8°F).
- Average low temperature in August: 53.4°F
The month with the highest average low temperature is July (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in August
Preston, ID
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Preston, ID
- Average wind speed in August: 5.7mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in August
Preston, ID
- Average humidity in August: 38%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (38%).
Average rainfall in August
Preston, ID
- Average rainfall in August: 0.51"
The wettest month (with the highest rainfall) is February (2.24").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in August
Preston, ID
- Average rainfall days in August: 6.5 days
The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is July (5.5 days).
Average snowfall in August
Preston, ID
- Average snowfall in August: 0"
The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Preston, ID
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (17.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Preston, ID
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 11h and 5min
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 48min).
Average sunshine days in August
Preston, ID
- Average sunshine days in August: 21.1 days
The month with the most sunshine days is July (21.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in August
Preston, ID
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Preston, ID
- Average cloud cover in August: 10
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in August
Preston, ID
- 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, February and December (4mi).
Preston, Idaho, USA
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