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Boise, USA Weather Averages

July is the hottest month in Boise with an average temperature of 24°C (75°F) and the coldest is January at -0°C (31°F). The wettest month is January with an average of 40mm of rain..

Average Temperature Boise

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Boise

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Boise

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Boise : Next 24-Hour Weather

Tomorrow - 7th November 2026

Sunrise 07:28

Sunrise

Sunset 17:28

Sunset
23:00
Cloudy
9°C (48°F)

Tomorrow - 8th November 2026

Sunrise 07:28

Sunrise

Sunset 17:28

Sunset
0:00
Overcast
10°C (49°F)
1:00
Overcast
10°C (49°F)
2:00
Cloudy
9°C (47°F)
3:00
Cloudy
9°C (48°F)
4:00
Partly cloudy
9°C (47°F)
5:00
Cloudy
7°C (45°F)
6:00
Overcast
9°C (47°F)
7:00
Partly cloudy
8°C (46°F)
8:00
Cloudy
7°C (44°F)
9:00
Overcast
10°C (50°F)
10:00
Overcast
14°C (56°F)
11:00
Overcast
15°C (59°F)
12:00
Overcast
16°C (60°F)
13:00
Overcast
17°C (62°F)
14:00
Overcast
18°C (63°F)
15:00
Overcast
18°C (63°F)
16:00
Overcast
18°C (63°F)
17:00
Overcast
14°C (56°F)
18:00
Overcast
13°C (54°F)
19:00
Overcast
12°C (53°F)
20:00
Cloudy
9°C (47°F)
21:00
Overcast
10°C (50°F)
22:00
Overcast
10°C (49°F)
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