TODAY SEP26
TEMPERATURE84
HUMIDITY70
PRESSURE30.02
WIND COND.140 6.9
  • 8269Wed80%90%
  • 8067Thu60%60%
  • 8568Fri60%60%
  • 8669Sat50%50%
  • 8769Sun40%30%
daynightWeather update from Alabaster, Shelby County Airport at
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Chelsea 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
January36°F57°F45°F5.1"
February38°F60°F48°F5.7"
March46°F69°F56°F6.0"
April53°F77°F64°F5.1"
May61°F82°F71°F4.2"
June69°F90°F78°F4.2"
July71°F91°F80°F5.2"
August71°F91°F79°F5.4"
September66°F86°F75°F3.8"
October54°F77°F64°F3.3"
November43°F67°F54°F4.1"
December40°F59°F48°F5.8"

Did you know?

  • The highest monthly average temperature in Chelsea for July is 80 degrees.
  • The lowest monthly average temperature in Chelsea for January is 45 degrees.
  • The most monthly precipitation in Chelsea occurs in March with 6 inches.
  • The air quality index in Chelsea is 0% worse than the national average.
  • The pollution index in Chelsea is 49% better than the national average.

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Chelsea 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.
IndexChelseaAlabamaNational
Air quality index503750
Pollution index2,562,3604,051,2235,066,862

Chelsea air quality information

MeasurementTotal
Days measured365
Days with good air quality186
Days with moderate air quality178
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Chelsea air quality information

PollutantTotal
Arsenic0.005%
Benzene0.030%
Carbon Tetrachloride0.010%
Lead0.030%
Mercury0.040%

Average monthly Chelsea temperature with heat index

Chelsea monthly precipitation with daily maximum

Chelsea monthly snow depth with daily maximum

Chelsea monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Fayetteville, AL1,4373824%
Vincent, AL2,1033824%
Harpersville, AL1,7603824%
Talladega Springs, AL2733824%
Wilsonville, AL2,1193824%
Chelsea, AL11,70650= 100

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Lakewood Park, FL11,7062942%
Lansing, KS11,7065816%
Firestone, CO11,7094216%
Leeds, AL11,70150= 100
Martinsville, IN11,7144020%
Chelsea, AL11,70650= 100
Source: The Chelsea, AL 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.