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 August unfolds, the average high-temperature reaches a still tropical 86.5°F (30.3°C), hinting at a slight fluctuation from the previous month. During August, Boise's temperature records a considerable difference from its daily highs to an average low of 61.3°F (16.3°C).Humidity
In August, the average relative humidity in Boise is 31%.Rainfall
In August, the rain falls for 4.9 days. Throughout August, 0.24" (6mm) of precipitation is accumulated. In Boise, Idaho, during the entire year, the rain falls for 116.8 days and collects up to 15.08" (383mm) of precipitation.Snowfall
In Boise, snow does not fall in May through October.Daylight
In Boise, the average length of the day in August is 13h and 55min.On the first day of the month, sunrise is at 6:35 am and sunset at 9:07 pm. On the last day of August, in Boise, sunrise is at 7:08 am and sunset at 8:21 pm MDT.
Sunshine
In Boise, the average sunshine in August is 11.4h.UV index
In Boise, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 5 in August translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
How hot does it get in Boise in August?
What is the average humidity in August in Boise?
How many days does it rain in August in Boise?
When it does not snow in Boise?
What is the average length of the day in August in Boise?
When are sunrise and sunset in August in Boise?
How long on average sun shines in August in Boise?
How high is the UV index in August in Boise?
Average temperature in August
Boise, ID
- Average high temperature in August: 86.5°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (34.7°F).
- Average low temperature in August: 61.3°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).
Average pressure in August
Boise, ID
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Boise, ID
- Average wind speed in August: 5.4mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in August
Boise, ID
- Average humidity in August: 31%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (30%).
Average rainfall in August
Boise, ID
- Average rainfall in August: 0.24"
The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in August
Boise, ID
- Average rainfall days in August: 4.9 days
The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is July (4.5 days).
Average snowfall in August
Boise, ID
- Average snowfall in August: 0"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Boise, ID
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Boise, ID
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in August
Boise, ID
- Average sunshine days in August: 21.7 days
The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is March (12.1 days).
Average UV index in August
Boise, ID
- Average UV index in August: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Boise, ID
- Average cloud cover in August: 9
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in August
Boise, 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).
Boise, Idaho, USA
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