Best year time to visit Delta County

General weather information about Delta County

Average annual temperature is 19.2 °C

Absolute maximum temperature: 40.4 °C

Absolute minimum temperature: -4.2 °C

Number of sunny days: 218 days

Number of rainy days: 147 days

Look at detailed online map of Delta County

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

Delta County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)23.125.226.428.431.436.337.240.439.932.326.823.0
Average daytime temperature (°C)14.515.819.722.127.732.534.237.032.324.718.114.8
Average temperature (°C)10.010.214.316.722.126.829.131.326.719.513.29.8
Average night temperature (°C)6.26.210.312.517.722.225.026.122.015.69.36.1
Absolute minimum temperature (°C)-3.4-4.20.07.29.919.220.820.419.31.8-0.20.6

Delta County monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.211.012.013.013.914.314.113.412.411.410.510.0
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.46.57.68.510.011.511.612.210.57.87.67.1
Precipitation (mm)9220217813713611864347820410458
Sunny days201413141615172619182323
Rainy days111418161515145111378
Snow days000000000000

Delta County - weather forecast by months

Delta County weather in januaryDelta County weather in februaryDelta County weather in marchDelta County weather in aprilDelta County weather in mayDelta County weather in juneDelta County weather in julyDelta County weather in augustDelta County weather in septemberDelta County weather in octoberDelta County weather in novemberDelta County weather in december

Best time to visit Delta County:

The best time to visit Delta County during the most sunny months:

  • June — 11.5(h)
  • July — 11.6(h)
  • August — 12.2(h)

The largest precipitation sum in Delta County is at

  • February — 202(mm)
  • March — 178(mm)
  • October — 204(mm)

    • Weather forecast in the closest to Delta County admin centers

    Weather forecast in the closest towns to Delta County

    Explore Delta County

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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