Hopewell, IL

Climate overview — based on NOAA 1991-2020 normals from LACON, IL 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

Hopewell has an annual average temperature of 52.6°F with about 38.4 inches of precipitation per year and 24.6 inches of snow. The warmest month is July (average high 87.0°F), and the coldest is January (average low 18.0°F). May is typically the wettest month (4.76 in) and February the driest (2.06 in). Snow typically falls from November through April.

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
50.1°F
warmest to coldest month
Heating need
5,367
Cooling need
915

Best time to visit Hopewell

Full guide →

Climate change signal

All-time records →

0 of 366 (0%) of Hopewell'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.

1950s
20
1960s
58
1970s
76
1980s
86
1990s
60
2000s
66
2010s
0
2020s
0

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 33.8°F 18.0°F 25.9°F 2.07 in 8.1 in 9
February 38.3°F 21.5°F 29.9°F 2.06 in 6.2 in 8
March 51.4°F 31.3°F 41.4°F 2.65 in 3.2 in 10
April 64.5°F 41.4°F 52.9°F 4.00 in 0.7 in 11
May 75.0°F 51.7°F 63.3°F 4.76 in 12
June 84.4°F 61.2°F 72.8°F 4.29 in 10
July 87.0°F 65.1°F 76.0°F 3.97 in 9
August 85.6°F 63.0°F 74.3°F 3.33 in 9
September 79.6°F 55.1°F 67.4°F 3.30 in 8
October 66.6°F 43.5°F 55.0°F 3.16 in 0.1 in 10
November 51.2°F 32.6°F 41.9°F 2.63 in 1.1 in 9
December 38.3°F 23.2°F 30.8°F 2.17 in 5.2 in 9

Climate twins of Hopewell

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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