Best year time to visit Walnut Creek

General weather information about Walnut Creek

Average annual temperature is 11.3 °C

Absolute maximum temperature: 32.5 °C

Absolute minimum temperature: -11.6 °C

Number of sunny days: 164 days

Number of rainy days: 185 days

Number of snow days: 16 days

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

Walnut Creek air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.820.119.226.429.231.932.531.532.127.417.514.9
Average daytime temperature (°C)5.99.89.317.121.225.128.426.624.017.210.07.7
Average temperature (°C)1.82.83.410.514.819.122.620.818.312.44.93.7
Average night temperature (°C)-1.2-1.8-0.94.99.013.717.716.213.88.51.01.0
Absolute minimum temperature (°C)-8.1-11.6-8.3-2.91.28.414.311.48.3-1.8-8.3-5.6

Walnut Creek monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.710.711.913.314.415.014.713.712.511.110.09.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)2.96.76.89.110.711.011.811.18.87.06.84.3
Precipitation (mm)14153112112691339112323745062
Sunny days9151314191471117161811
Rainy days171113161216242013151018
Snow days525000000022

Walnut Creek - weather forecast by months

Walnut Creek weather in januaryWalnut Creek weather in februaryWalnut Creek weather in marchWalnut Creek weather in aprilWalnut Creek weather in mayWalnut Creek weather in juneWalnut Creek weather in julyWalnut Creek weather in augustWalnut Creek weather in septemberWalnut Creek weather in octoberWalnut Creek weather in novemberWalnut Creek weather in december

Best time to visit Walnut Creek:

The best time to visit Walnut Creek during the most sunny months:

  • May — 10.7(h)
  • June — 11.0(h)
  • July — 11.8(h)
  • August — 11.1(h)

The largest precipitation sum in Walnut Creek is at

  • January — 141(mm)
  • March — 112(mm)
  • April — 112(mm)
  • June — 133(mm)
  • August — 123(mm)

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    Frequently asked questions

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