Best year time to visit Altapass

General weather information about Altapass

Average annual temperature is 12.7 °C

Absolute maximum temperature: 32.2 °C

Absolute minimum temperature: -8.1 °C

Number of sunny days: 181 days

Number of rainy days: 183 days

Number of snow days: 1 day

Look at detailed online map of Altapass

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

Altapass air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.522.825.124.426.029.832.232.031.124.922.515.7
Average daytime temperature (°C)9.412.513.517.920.123.728.426.923.818.812.69.3
Average temperature (°C)4.57.27.612.015.018.122.321.518.113.37.44.6
Average night temperature (°C)0.92.92.56.410.613.116.716.913.48.52.60.8
Absolute minimum temperature (°C)-6.7-7.3-8.1-0.33.07.111.611.48.22.0-6.4-7.2

Altapass monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.09.0
Daylight mean duration (h)10.010.912.013.114.114.614.313.512.411.310.39.8
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.09.09.0
Sunshine mean duration (h)5.76.58.19.010.410.612.010.710.69.37.96.2
Precipitation (mm)1227888144699987109591731151
Sunny days15131714111481015232318
Rainy days1515141620162321158713
Snow days100000000000

Best time to visit Altapass:

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

  • July — 12.0(h)

The largest precipitation sum in Altapass is at

  • January — 122(mm)
  • April — 144(mm)
  • December — 151(mm)
  • Frequently asked questions

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