TODAY JAN26
TEMPERATURE30
HUMIDITY74
PRESSURE30.12
WIND COND.
  • 3321Sun30%
  • 3015Mon
  • 3117Tue30%20%
  • 2813Wed
  • 2914Thu
daynightWeather update from KEMMERER at
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Opal Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January13°F31°F21°F0.4"
February16°F33°F24°F0.4"
March23°F43°F32°F0.5"
April28°F52°F39°F0.9"
May36°F62°F48°F1.9"
June45°F75°F60°F0.8"
July53°F84°F68°F0.5"
August51°F82°F66°F0.9"
September43°F72°F56°F1.3"
October33°F58°F44°F0.9"
November23°F45°F33°F0.5"
December14°F31°F22°F0.4"

Did you know?

  • The highest monthly average temperature in Opal for July is 68 degrees.
  • The lowest monthly average temperature in Opal for January is 21 degrees.
  • The most monthly precipitation in Opal occurs in May with 1.9 inches.
  • The air quality index in Opal is 20% better than the national average.
  • The pollution index in Opal is 87% better than the national average.

Compare Opal, WY Weather To Other Cities

Opal air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexOpalWyomingNational
Air quality index403950
Pollution index641,3591,082,0855,066,862

Opal air quality information

MeasurementTotal
Days measured365
Days with good air quality348
Days with moderate air quality17
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Opal air quality information

PollutantTotal
Arsenic0.000%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.001%
Mercury0.000%

Average monthly Opal temperature with heat index

Opal monthly precipitation with daily maximum

Opal monthly snow depth with daily maximum

Opal monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Oakley, WY04020%
Diamondville, WY6224020%
Kemmerer, WY2,7104020%
Opal, WY1054020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Merriman, NE1054314%
Hidalgo, IL1053726%
Pine Grove, OR1052648%
Pisek, ND1053530%
Rosebud, MT1053628%
Opal, WY1054020%
Source: The Opal, WY weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.
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