TODAY JUL16
TEMPERATURE64
HUMIDITY60
PRESSURE29.95
WIND COND.
  • 10069Mon
  • 10271Tue
  • 10171Wed
  • 9871Thu
  • 9870Fri
daynightWeather update from COLUMBIA at

Jamestown Average Weather

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
January25°F66°F42°Fn/a
February23°F72°F44°Fn/a
March25°F72°F47°Fn/a
April27°F88°F52°Fn/a
May41°F97°F66°Fn/a
June43°F106°F67°Fn/a
July48°F108°F78°Fn/a
August48°F102°F75°Fn/a
September41°F100°F72°Fn/a
October32°F82°F55°Fn/a
November32°F79°F47°Fn/a
December16°F63°F41°Fn/a

Did you know?

  • The highest monthly average temperature in Jamestown for July is 78 degrees.
  • The lowest monthly average temperature in Jamestown for December is 41 degrees.
  • The most monthly precipitation in Jamestown occurs in January with 0 inches.
  • The air quality index in Jamestown is 21% better than the national average.
  • The pollution index in Jamestown is 48% better than the national average.

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Compare Jamestown, CA Weather To Other Cities

Jamestown 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.
IndexJamestownCaliforniaNational
Air quality index395550
Pollution index2,624,52018,106,7265,066,862

Jamestown air quality information

MeasurementTotal
Days measured365
Days with good air quality331
Days with moderate air quality33
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Jamestown air quality information

PollutantTotal
Arsenic0.020%
Benzene0.040%
Carbon Tetrachloride0.000%
Lead0.070%
Mercury0.010%

Average monthly Jamestown temperature with heat index

Jamestown monthly precipitation with daily maximum

Jamestown monthly snow depth with daily maximum

Jamestown monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Chinese Camp, CA1843922%
Forest Meadows, CA1,7363922%
Mono Vista, CA3,0183922%
San Andreas, CA3,0773922%
Tuolumne City, CA1,6283922%
Jamestown, CA2,6213922%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Belvidere, NJ2,6213922%
Potterville, MI2,6213432%
Brownstown, PA2,6214510%
Mars Hill, NC2,6204020%
Jemison, AL2,62250= 100
Jamestown, CA2,6213922%
Source: The Jamestown, CA 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.