Nampa climate

Typical historical weather for Nampa, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

Want today's actual conditions instead? See the current forecast for Nampa.

Annual average

13°C

across all months

Warmest month

35.4°C

Jul average high

Coolest month

-2°C

Jan average low

Annual rainfall

317mm

total per year

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

● Avg high● Avg low▮ Rainfall

Records on file

Hottest day

43.1°C

10 August 2018

Coldest day

-23.7°C

7 January 2017

Wettest day

22.7mm

4 April 2024

Windiest day

8.2m/s

5 May 2025