Historical Weather Records & Monthly Climate for Nampa, ID

All-Time High
109°F
All-Time Low
-21°F
Max Daily Snow
3.8"
Max Daily Rain
0
Max Snow Depth
0

Monthly Climate Averages for Nampa, ID

Based on 30 years of historical data (1994 - 2023)

MonthHigh (°F)Low (°F)Precip (in)Snow (in)
January40°26°1.6"4.03"
February45°28°1.06"2.69"
March55°35°1.27"0.88"
April62°40°1.06"0.24"
May72°49°1.25"0.01"
June82°58°0.67"0
July93°67°0.12"0
August91°65°0.17"0
September80°56°0.45"0
October65°44°0.84"0.01"
November50°34°1.2"1.41"
December39°27°1.76"4.71"

Historical Weather Extremes for Nampa, ID

Based on 80+ years of archive data (1940 - 2024)

🔥
Longest Heatwave
48 Days
2022
Consecutive days ≥ 90°F
🧊
Deepest Freeze
25 Days
1942
Consecutive days ≤ 32°F
🏜️
Longest Drought
86 Days
2020
Consecutive days w/o rain
Wettest Month
4.28"
May 1998
Most rainfall in one month
Snowiest Month
14.06"
January 2017
Most snowfall in one month

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