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
The advent of August sees the average high-temperature at a still tropical 86.9°F (30.5°C), subtly shifted from July's 88.3°F (31.3°C). Declo records a marked daily temperature contrast, with an average low-temperature of 60.8°F (16°C) during the nights of August.Humidity
July and August, with an average relative humidity of 30%, are the least humid months.Rainfall
In Declo, Idaho, in August, during 5.2 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. Throughout the year, there are 105.2 rainfall days, and 10.63" (270mm) of precipitation is accumulated.Snowfall
June through August are months without snowfall in Declo.Daylight
The average length of the day in August is 13h and 51min.On the first day of August, sunrise is at 6:27 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 8:09 pm MDT.
Sunshine
In Declo, the average sunshine in August is 11.8h.UV index
In Declo, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In August, an average UV index of 5 transforms into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is 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 in Declo?
Does it snow in August?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How long on average sun shines in August?
How high is the UV index in August?
Average temperature in August
Declo, ID
- Average high temperature in August: 86.9°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (32.5°F).
- Average low temperature in August: 60.8°F
The months with the highest average low temperature are July and August (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).
Average pressure in August
Declo, ID
- Average pressure in August: 29.89"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Declo, ID
- Average wind speed in August: 7.3mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is January (7.1mph).
Average humidity in August
Declo, ID
- Average humidity in August: 30%
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (30%).
Average rainfall in August
Declo, ID
- Average rainfall in August: 0.35"
The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in August
Declo, ID
- Average rainfall days in August: 5.2 days
The months with the highest number of rainy days are March and April (14 days).
The months with the least rainy days are July and August (5.2 days).
Average snowfall in August
Declo, ID
- Average snowfall in August: 0"
The month with the highest snowfall is December (6.54").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Declo, ID
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (13 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Declo, ID
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- 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: 5h and 42min).
Average sunshine days in August
Declo, ID
- Average sunshine days in August: 21.8 days
The month with the most sunshine days is July (22.6 days).
The month with the least sunshine days is March (12 days).
Average UV index in August
Declo, ID
- Average UV index in August: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Declo, ID
- Average cloud cover in August: 11
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in August
Declo, ID
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Declo, Idaho, USA
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