TODAY DEC05
TEMPERATURE39
HUMIDITY84
PRESSURE
WIND COND.
  • 3833Fri30%
  • 4130Sat30%20%
  • 4229Sun
  • 3828Mon
  • 3628Tue
daynightWeather update from OTHELLO at
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Royal City 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
January23°F37°F30°F0.7"
February28°F49°F38°F1.2"
March37°F61°F49°F1.8"
April40°F67°F54°F0.9"
May50°F78°F65°F1.7"
June55°F83°F69°F1.4"
July64°F95°F80°F1.1"
August60°F92°F76°F1.4"
September51°F80°F66°F2.3"
October42°F64°F53°F1.8"
November32°F47°F40°F1.5"
December25°F37°F31°F2.1"

Did you know?

  • The highest monthly average temperature in Royal City for July is 80 degrees.
  • The lowest monthly average temperature in Royal City for January is 30 degrees.
  • The most monthly precipitation in Royal City occurs in September with 2.3 inches.
  • The air quality index in Royal City is 52% better than the national average.
  • The pollution index in Royal City is 47% better than the national average.

Compare Royal City, WA Weather To Other Cities

Royal City 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.
IndexRoyal CityWashingtonNational
Air quality index243650
Pollution index2,683,4108,596,9895,066,862

Royal City air quality information

MeasurementTotal
Days measured337
Days with good air quality294
Days with moderate air quality43
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Royal City air quality information

PollutantTotal
Arsenic0.000%
Benzene0.040%
Carbon Tetrachloride0.004%
Lead0.030%
Mercury0.000%

Average monthly Royal City temperature with heat index

Royal City monthly precipitation with daily maximum

Royal City monthly snow depth with daily maximum

Royal City monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
George, WA7422452%
Desert Aire, WA2,2784020%
Mattawa, WA4,4164020%
Royal City, WA1,6292452%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Troup, TX1,6293530%
Harrisville, RI1,6294510%
Kerens, TX1,6294020%
Leilani Estates, HI1,629142184%
Astatula, FL1,6293628%
Royal City, WA1,6292452%
Source: The Royal City, WA 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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