Best year time to visit Pomona

General weather information about Pomona

Average annual temperature is 12.1 °C

Absolute maximum temperature: 40.7 °C

Absolute minimum temperature: -10.4 °C

Number of sunny days: 236 days

Number of rainy days: 115 days

Number of snow days: 14 days

Look at detailed online map of Pomona

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

Pomona air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.311.514.530.334.434.037.540.732.326.613.68.8
Average daytime temperature (°C)4.76.610.015.027.128.833.532.825.218.08.25.1
Average temperature (°C)1.01.74.69.119.521.225.325.218.412.04.12.0
Average night temperature (°C)-1.8-1.80.33.913.014.517.818.312.77.10.9-0.1
Absolute minimum temperature (°C)-7.5-10.4-3.8-2.36.47.312.812.65.6-4.2-4.4-3.7

Pomona monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.010.311.913.615.015.815.414.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)5.06.78.19.212.913.213.911.910.08.15.53.1
Precipitation (mm)321131362177815164077
Sunny days161814122323292520222014
Rainy days10715188726109914
Snow days532000000013

Best time to visit Pomona:

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

  • May — 12.9(h)
  • June — 13.2(h)
  • July — 13.9(h)
  • August — 11.9(h)

Months with the longest average daylight duration in Pomona:

  • June — 15.8(h)
  • July — 15.4(h)

The largest precipitation sum in Pomona is at

  • January — 32(mm)
  • April — 36(mm)
  • November — 40(mm)
  • December — 77(mm)
  • Frequently asked questions

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