As of 01:23 MDT

Nampa, ID weather in December

73°

Nampa, Sunday, 9 August, 01:23

Partly cloudy. Feels like 71°. High 96°, low 58°.

Pressure29.85 inHg

Wind2 mph N

Humidity39%

Visibility6.2 mi

Dew point44°

See detailed hourly forecast

In December, Nampa, ID averages a high of 39° and a low of 26.1°. About 1.7 inches of precipitation fall over the month (10 wet days). The record high is 61.2° (2025) and the record low -21.5° (1990). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	42.3°	28.6°	42%	56.8° (1975)	8.6° (1985)
2	42.6°	29.3°	33%	56.3° (1975)	12.9° (1983)
3	43°	29.3°	30%	58.3° (1987)	14.2° (1983)
4	43°	28.9°	32%	57.6° (2007)	15.1° (2001)
5	41°	27.3°	25%	57.4° (1987)	2.7° (1983)
6	41.2°	28°	37%	59.5° (1987)	13.1° (1972)
7	40.1°	27.7°	38%	52° (1975)	11.5° (1972)
8	39.9°	26.2°	33%	55.6° (1981)	-0.4° (1972)
9	39.7°	27°	23%	56.8° (1981)	-9.4° (1972)
10	40.6°	27.9°	28%	61.2° (2025)	-4.2° (1972)
11	39.9°	26.6°	30%	59.7° (2025)	-6° (1972)
12	40.5°	27.5°	40%	59.4° (2014)	-1.1° (1985)
13	40.3°	27.3°	40%	54.7° (2006)	-4.7° (1972)
14	39.9°	26.2°	27%	55° (2002)	-3.5° (1972)
15	39.2°	26.4°	27%	53.6° (2002)	2.3° (1972)
16	39.6°	26.4°	27%	54.1° (2002)	8.8° (1971)
17	39°	26.6°	23%	51.8° (2025)	3.2° (1964)
18	37.9°	25.3°	27%	53.1° (1979)	8.6° (2016)
19	37.9°	25.2°	25%	56.7° (2025)	7.2° (2022)
20	38.5°	25°	28%	50.7° (2019)	-1.8° (1990)
21	37.8°	26.2°	37%	55.9° (2020)	-13.2° (1990)
22	37.2°	24.8°	32%	57.9° (1964)	-21.5° (1990)
23	37°	24.3°	35%	58.1° (1964)	-18.2° (1990)
24	37.4°	25°	40%	59.7° (2025)	-11° (1990)
25	37.2°	24.3°	32%	58.6° (2025)	-16.4° (1990)
26	36.5°	24.4°	32%	54° (1980)	-3.6° (1990)
27	37.2°	24.1°	27%	51.8° (1980)	9° (2008)
28	36.9°	24.6°	28%	50.5° (2002)	-4.9° (1983)
29	36.5°	23.4°	37%	51.8° (2011)	-13.5° (1990)
30	35.4°	23.2°	40%	51.3° (2011)	-21.5° (1990)
31	34.7°	22.3°	28%	50.4° (1996)	-0.4° (2016)