Best year time to visit Opal

General weather information about Opal

Average annual temperature is 14.8 °C

Absolute maximum temperature: 38.7 °C

Absolute minimum temperature: -9.3 °C

Number of sunny days: 195 days

Number of rainy days: 170 days

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

Opal air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.724.527.331.530.032.638.735.937.628.826.018.1
Average daytime temperature (°C)10.313.014.322.923.328.133.131.427.321.714.010.9
Average temperature (°C)5.87.17.815.517.021.526.224.921.415.78.05.9
Average night temperature (°C)2.12.42.69.611.215.920.919.916.810.93.42.2
Absolute minimum temperature (°C)-3.1-9.3-4.71.76.311.318.215.510.05.8-6.0-4.4

Opal monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.812.013.214.314.814.613.612.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.46.67.79.310.211.111.810.98.98.87.85.7
Precipitation (mm)6360601014073140391002363143
Sunny days13161717161391416222418
Rainy days1812141315172217149613
Snow days000000000000

Opal - weather forecast by months

Opal weather in januaryOpal weather in februaryOpal weather in marchOpal weather in aprilOpal weather in mayOpal weather in juneOpal weather in julyOpal weather in augustOpal weather in septemberOpal weather in octoberOpal weather in novemberOpal weather in december

Best time to visit Opal:

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

  • June — 11.1(h)
  • July — 11.8(h)
  • August — 10.9(h)

The largest precipitation sum in Opal is at

  • April — 101(mm)
  • July — 140(mm)
  • September — 100(mm)
  • December — 143(mm)

    • Weather forecast in the closest to Opal admin centers

    Weather forecast in the closest towns to Opal

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    Frequently asked questions

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