Plainfield, IN

Climate overview — based on NOAA 1991-2020 normals from INDIANAPOLIS NWFO, IN US.

Dfa Hot-summer humid continental climate 7a USDA hardiness Zone 7a

Year-round temperatures (°F)

10° 30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Plainfield has an annual average temperature of 53.3°F with about 45.8 inches of precipitation per year. The warmest month is July (average high 85.4°F), and the coldest is January (average low 19.4°F). June is typically the wettest month (5.37 in) and February the driest (2.50 in).

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
48.4°F
warmest to coldest month
Heating need
5,139
Cooling need
933

Best time to visit Plainfield

Full guide →

Climate change signal

All-time records →

241 of 366 (65.8%) of Plainfield's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

2010s
264
2020s
102

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 35.7°F 19.4°F 27.6°F 3.24 in
February 40.3°F 22.7°F 31.5°F 2.50 in
March 51.3°F 31.8°F 41.6°F 3.73 in
April 64.0°F 42.9°F 53.5°F 4.64 in
May 73.9°F 53.6°F 63.8°F 4.93 in
June 82.3°F 62.9°F 72.6°F 5.37 in
July 85.4°F 66.6°F 76.0°F 4.67 in
August 84.4°F 64.9°F 74.7°F 3.47 in
September 78.3°F 57.3°F 67.8°F 3.45 in
October 65.8°F 44.7°F 55.3°F 3.36 in
November 51.9°F 34.2°F 43.1°F 3.47 in
December 39.5°F 25.0°F 32.3°F 2.98 in

Climate twins of Plainfield

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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