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Nampa, USA Weather Averages

July is the hottest month in Nampa with an average temperature of 24°C (73°F) and the coldest is December at 1°C (33°F) with the most daily sunshine hours at 14 in July. The wettest month is November with an average of 37.7mm of rain..

Average Temperature Nampa

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 Nampa

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 Nampa

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

Average Daily Sunshine Hours Nampa

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Nampa : Next 24-Hour Weather

Today - 14th April 2026

Sunrise 07:05

Sunrise

Sunset 20:28

Sunset
15:00
Partly cloudy
15°C (58°F)
16:00
Partly cloudy
15°C (58°F)
17:00
Partly cloudy
15°C (59°F)
18:00
Clear
14°C (57°F)
19:00
Clear
13°C (55°F)
20:00
Clear
12°C (53°F)
21:00
Clear
11°C (51°F)
22:00
Cloudy
10°C (49°F)
23:00
Cloudy
9°C (48°F)

Tomorrow - 15th April 2026

Sunrise 07:05

Sunrise

Sunset 20:28

Sunset
0:00
Overcast
9°C (47°F)
1:00
Overcast
9°C (47°F)
2:00
Overcast
9°C (47°F)
3:00
Overcast
8°C (46°F)
4:00
Overcast
8°C (46°F)
5:00
Overcast
8°C (46°F)
6:00
Overcast
8°C (46°F)
7:00
Overcast
8°C (45°F)
8:00
Overcast
7°C (45°F)
9:00
Overcast
8°C (45°F)
10:00
Heavy rain at times
8°C (46°F)
11:00
Moderate or heavy rain shower
9°C (47°F)
12:00
Light rain
9°C (48°F)
13:00
Light rain
10°C (49°F)
14:00
Light rain
11°C (51°F)