Weather in Boise: August
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Average day temperature: | 85.9°F |
Average night temperature: | 68.8°F | |
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Number of sunny days: | 25 days |
Day length: | 13.2 - 14.6 hours | |
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Number of rainy days: | 0 days |
Precipitation totals: | 0.2 in. | |
more information |
14 days
forecast
forecast
Boise |
weather in
September
September
Boise |
Air temperature in August, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
16
32
48
64
80
96
112
128
Day temperature | Night temperature |
The highest day temperature during August of 2024 was 98°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during August were 82.0°F and 66.4°F.
Sunny, partly cloudy and cloudy days
Sunny days | |
Partly cloudy days | |
Cloudy days |
81%
16%
3%
Mostly all days in August are sunny but cloudy days are also possible.
Precipitation total in August, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.6
0.9
1.2
1.5
1.8
2.1
2.3
1.7
1.1
1.7
1.1
Precipitation total value in Boise in August is 0.2 in. Other months of the year show relatively similar values.
Wind speed in August, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.3
2.5
3.8
5.0
6.3
7.5
8.8
5.2
5.6
6.0
5.9
6.1
6.5
7.2
7.3
7.2
6.1
5.5
5.2
5.6
6.0
5.9
6.0
6.1
6.5
7.2
7.3
7.2
6.1
5.5
The average wind speed value in August is 6.0 mph
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.3
4.7
7.0
9.3
11.7
14.0
16.3
3.4
4.9
7.8
10.1
13.6
12.3
9.8
8.5
6.5
5.1
4.4
3.4
4.9
7.8
10.1
11.8
13.6
12.3
9.8
8.5
6.5
5.1
4.4
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 11.8.
Best time for vacation in Boise
Boise on a weather map
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Places in USA:
Name
°F
24 Hours Forecast
Boise
Local time: 05:14
April 13, sunday
0600

30°F
SE
10 mph
10 mph
0900

37°F
SE
12 mph
12 mph
1200

50°F
SE
16 mph
16 mph
1500

57°F
SE
14 mph
14 mph
1800

59°F
SE
12 mph
12 mph
2100

46°F
E
7 mph
7 mph
April 14, monday
0000

39°F
SE
3 mph
3 mph
0300

34°F
SW
2 mph
2 mph