Best year time to visit Nampa

General weather information about Nampa

Average annual temperature is 12.1 °C

Absolute maximum temperature: 40.2 °C

Absolute minimum temperature: -12.2 °C

Number of sunny days: 220 days

Number of rainy days: 127 days

Number of snow days: 18 days

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* Weather data for Nampa United States is based on climate observations for 2026 year

Nampa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.612.914.532.133.334.840.140.233.129.516.813.1
Average daytime temperature (°C)5.27.28.917.025.927.636.533.428.019.810.55.5
Average temperature (°C)0.50.83.29.218.220.128.225.619.712.95.01.2
Average night temperature (°C)-3.0-3.3-0.83.811.513.919.818.913.37.91.1-1.5
Absolute minimum temperature (°C)-12.2-8.9-4.5-3.64.45.814.512.68.4-4.2-6.6-6.0

Nampa monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.415.113.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)5.67.77.19.612.111.613.511.510.28.57.14.4
Precipitation (mm)39126323394102411222647
Sunny days15158131613312026242118
Rainy days1481616151701147910
Snow days257100000003

Nampa - weather forecast by months

Nampa weather in januaryNampa weather in februaryNampa weather in marchNampa weather in aprilNampa weather in mayNampa weather in juneNampa weather in julyNampa weather in augustNampa weather in septemberNampa weather in octoberNampa weather in novemberNampa weather in december

Best time to visit Nampa:

The best time to visit Nampa during the most sunny months:

  • May — 12.1(h)
  • June — 11.6(h)
  • July — 13.5(h)
  • August — 11.5(h)

Months with the longest average daylight duration in Nampa:

  • June — 15.4(h)

The largest precipitation sum in Nampa is at

  • January — 39(mm)
  • March — 63(mm)
  • May — 39(mm)
  • June — 41(mm)
  • December — 47(mm)

    • Weather forecast in the closest to Nampa admin centers

    Weather forecast in the closest towns to Nampa

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    Frequently asked questions

    When is the best time to visit Nampa?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Nampa.
    What is the weather like in Nampa?
    See average temperature, rainfall and daylight hours for Nampa by month in the table above.
    How many sunny days does Nampa have?
    The monthly weather statistics above show sunshine and rainfall patterns for Nampa throughout the year.