Washington, IN

Climate overview — based on NOAA 1991-2020 normals from WASHINGTON 1 W, IN US.

Cfa Humid subtropical climate 7b USDA hardiness Zone 7b

Year-round temperatures (°F)

20° 40° 60° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Washington has an annual average temperature of 56.3°F with about 48 inches of precipitation per year and 9.2 inches of snow. The warmest month is July (average high 87.4°F), and the coldest is January (average low 23.9°F). May is typically the wettest month (5.51 in) and February the driest (2.88 in). Snow typically falls from December through March.

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
45°F
warmest to coldest month
Heating need
4,269
Cooling need
1,146

Best time to visit Washington

Full guide →

Climate change signal

All-time records →

27 of 366 (7.4%) of Washington'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.

1890s
25
1900s
34
1910s
41
1920s
39
1930s
74
1940s
17
1950s
41
1960s
8
1970s
7
1980s
13
1990s
12
2000s
12
2010s
23
2020s
20

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 40.4°F 23.9°F 32.1°F 3.59 in 2.9 in 8
February 45.6°F 27.5°F 36.6°F 2.88 in 2.0 in 6
March 56.5°F 35.8°F 46.2°F 4.02 in 1.0 in 9
April 68.5°F 45.4°F 56.9°F 4.83 in 10
May 77.4°F 56.0°F 66.7°F 5.51 in 11
June 85.0°F 63.9°F 74.4°F 5.15 in 9
July 87.4°F 66.8°F 77.1°F 4.14 in 8
August 86.3°F 65.1°F 75.7°F 3.17 in 7
September 81.1°F 57.6°F 69.3°F 3.50 in 6
October 69.9°F 46.9°F 58.4°F 3.60 in 0.1 in 6
November 55.6°F 36.4°F 46.0°F 3.91 in 0.1 in 7
December 44.7°F 28.4°F 36.5°F 3.68 in 3.1 in 7

Climate twins of Washington

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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