Hanaford weather by month
What a typical year looks like in Hanaford, Illinois: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Rend Lake Dam, 17 km from Hanaford; records cover 1974–2026.
The year at a glance
- Precipitation a year
- 46 in1168 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 29
- First fall freeze
- Oct 25
- Heating degree days
- 4,735
- Cooling degree days
- 1,450
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 1°−17° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
Hanaford in January
Highs average 40°4° and lows 22°−6°, with 3.2 in81 mm of precipitation in a typical January.
- Record high
- 70°21° (1986)
- Record low
- −19°−28° (1977)
- Heating degree days
- 1063
- Cooling degree days
- 0
Hanaford in February
Highs average 44°7° and lows 25°−4°, with 2.8 in71 mm of precipitation in a typical February.
- Record high
- 79°26° (1982)
- Record low
- −10°−23° (1982)
- Heating degree days
- 862
- Cooling degree days
- 0
Hanaford in March
Highs average 55°13° and lows 35°1°, with 4.2 in107 mm of precipitation in a typical March.
- Record high
- 89°32° (2026)
- Record low
- −4°−20° (1978)
- Heating degree days
- 622
- Cooling degree days
- 2
Hanaford in April
Highs average 68°20° and lows 45°7°, with 5.4 in138 mm of precipitation in a typical April.
- Record high
- 93°34° (2013)
- Record low
- 24°−4° (1982)
- Heating degree days
- 274
- Cooling degree days
- 21
Hanaford in May
Highs average 76°25° and lows 56°13°, with 5.1 in129 mm of precipitation in a typical May.
- Record high
- 94°34° (2010)
- Record low
- 32°0° (1976)
- Heating degree days
- 91
- Cooling degree days
- 128
Hanaford in June
Highs average 86°30° and lows 65°18°, with 4.5 in114 mm of precipitation in a typical June.
- Record high
- 99°37° (1978)
- Record low
- 45°7° (2015)
- Heating degree days
- 3
- Cooling degree days
- 316
Hanaford in July
Highs average 88°31° and lows 68°20°, with 4 in101 mm of precipitation in a typical July.
- Record high
- 102°39° (1983)
- Record low
- 50°10° (2021)
- Heating degree days
- 0
- Cooling degree days
- 411
Hanaford in August
Highs average 87°31° and lows 66°19°, with 3.4 in85 mm of precipitation in a typical August.
- Record high
- 104°40° (1980)
- Record low
- 48°9° (1986)
- Heating degree days
- 1
- Cooling degree days
- 362
Hanaford in September
Highs average 81°27° and lows 58°14°, with 3.2 in82 mm of precipitation in a typical September.
- Record high
- 98°37° (1980)
- Record low
- 36°2° (1983)
- Heating degree days
- 42
- Cooling degree days
- 168
Hanaford in OctoberThis month
Highs average 69°21° and lows 46°8°, with 3.4 in87 mm of precipitation in a typical October.
- Record high
- 94°34° (2019)
- Record low
- 23°−5° (2023)
- Heating degree days
- 266
- Cooling degree days
- 40
Hanaford in November
Highs average 55°13° and lows 35°2°, with 4 in101 mm of precipitation in a typical November.
- Record high
- 83°28° (2016)
- Record low
- 8°−13° (1976)
- Heating degree days
- 592
- Cooling degree days
- 2
Hanaford in December
Highs average 44°7° and lows 27°−3°, with 2.9 in73 mm of precipitation in a typical December.
- Record high
- 76°24° (1982)
- Record low
- −10°−23° (1983)
- Heating degree days
- 919
- Cooling degree days
- 0