TODAY AUG15
TEMPERATURE66
HUMIDITY100
PRESSURE30
WIND COND.130 3.5
  • 8168Wed50%70%
  • 8167Thu70%70%
  • 8266Fri20%40%
  • 8264Sat50%40%
  • 8366Sun
daynightWeather update from Crawfordsville Municipal Airport 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°F40°F32°F8.1"
February21°F38°F28°F4.5"
March34°F55°F44°F5.9"
April42°F66°F54°F6.5"
May53°F77°F65°F3.5"
June64°F84°F74°F5.1"
July65°F85°F75°F6.3"
August68°F88°F77°F5.9"
September59°F81°F70°F9.0"
October49°F68°F58°F4.9"
November35°F54°F44°F5.0"
December25°F38°F31°F4.6"

Did you know?

  • The highest monthly average temperature in Jamestown for August is 77 degrees.
  • The lowest monthly average temperature in Jamestown for February is 28 degrees.
  • The most monthly precipitation in Jamestown occurs in September with 9 inches.
  • The air quality index in Jamestown is 18% worse than the national average.
  • The pollution index in Jamestown is 68% better than the national average.

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Compare Jamestown, IN 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.
IndexJamestownIndianaNational
Air quality index595650
Pollution index1,601,6403,773,6185,066,862

Jamestown air quality information

MeasurementTotal
Days measured365
Days with good air quality106
Days with moderate air quality248
Days w/ poor A.Q. for sensitive groups11
Days with unhealthy air quality

Jamestown air quality information

PollutantTotal
Arsenic0.004%
Benzene0.030%
Carbon Tetrachloride0.002%
Lead0.040%
Mercury0.290%

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.
Darlington, IN780524%
New Ross, IN377524%
Thorntown, IN1,637524%
Crawfordsville, IN15,996524%
Ladoga, IN1,150524%
Jamestown, IN1,1475918%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Blue Lake, CA1,1473138%
Lowell, OR1,1473628%
Sherwood Shores, TX1,147325550%
Weeping Water, NE1,147484%
Edison, GA1,1464314%
Jamestown, IN1,1475918%
Source: The Jamestown, IN 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.