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Richland weather by month

What a typical year looks like in Richland, Iowa: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Fairfield, 19 km from Richland; records cover 1893–2026.

Today’s Richland forecast

The year at a glance

January: typical high 30.6°F, low 13.6°F, precipitation 1.52 in. February: typical high 35.6°F, low 17.7°F, precipitation 1.8 in. March: typical high 48.5°F, low 28.1°F, precipitation 2.4 in. April: typical high 61.9°F, low 38.8°F, precipitation 3.71 in. May: typical high 71.3°F, low 49.8°F, precipitation 5.51 in. June: typical high 80.5°F, low 59.5°F, precipitation 5.11 in. July: typical high 84.2°F, low 63.5°F, precipitation 3.96 in. August: typical high 82.6°F, low 61.3°F, precipitation 3.83 in. September: typical high 76.1°F, low 52.8°F, precipitation 3.58 in. October: typical high 62.8°F, low 41.3°F, precipitation 3 in. November: typical high 47.8°F, low 29.7°F, precipitation 2.28 in. December: typical high 35.4°F, low 19.7°F, precipitation 1.72 in.−40°−40°−20°−29°0°−18°20°−7°40°4°60°16°80°27°100°38°120°49°31°−1°14°−10°Jan36°2°18°−8°Feb49°9°28°−2°Mar62°17°39°4°Apr71°22°50°10°May81°27°60°15°Jun84°29°64°18°Jul83°28°61°16°Aug76°24°53°12°Sep63°17°41°5°Oct48°9°30°−1°Nov35°2°20°−7°DecPrecipitation
Bars: typical low to high (official normals, 1991–2020) Record high Record low
Precipitation a year
38.4 in976 mm
Snow a year
22 in55 cm
Last spring freeze
Apr 18
First fall freeze
Oct 17
Heating degree days
6,379
Cooling degree days
842

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −6°−21° (heating, 99%) and 96°36° (cooling, 1%).

Month by month

Richland in January

Highs average 31°−1° and lows 14°−10°, with 1.5 in39 mm of precipitation and 6 in16 cm of snow in a typical January.

Record high
70°21° (1909)
Record low
−29°−34° (1930)
Heating degree days
1330
Cooling degree days
0

Richland in February

Highs average 36°2° and lows 18°−8°, with 1.8 in46 mm of precipitation and 7 in18 cm of snow in a typical February.

Record high
78°26° (2024)
Record low
−31°−35° (1996)
Heating degree days
1074
Cooling degree days
0

Richland in March

Highs average 49°9° and lows 28°−2°, with 2.4 in61 mm of precipitation and 2.7 in6.9 cm of snow in a typical March.

Record high
89°32° (2026)
Record low
−15°−26° (1962)
Heating degree days
829
Cooling degree days
1

Richland in April

Highs average 62°17° and lows 39°4°, with 3.7 in94 mm of precipitation and 1 in2.5 cm of snow in a typical April.

Record high
93°34° (1896)
Record low
9°−13° (1982)
Heating degree days
447
Cooling degree days
8

Richland in May

Highs average 71°22° and lows 50°10°, with 5.5 in140 mm of precipitation in a typical May.

Record high
102°39° (1934)
Record low
26°−3° (1931)
Heating degree days
189
Cooling degree days
51

Richland in June

Highs average 81°27° and lows 60°15°, with 5.1 in130 mm of precipitation in a typical June.

Record high
104°40° (1934)
Record low
36°2° (1894)
Heating degree days
26
Cooling degree days
176

Richland in July

Highs average 84°29° and lows 64°18°, with 4 in101 mm of precipitation in a typical July.

Record high
114°46° (1936)
Record low
43°6° (1911)
Heating degree days
4
Cooling degree days
278

Richland in August

Highs average 83°28° and lows 61°16°, with 3.8 in97 mm of precipitation in a typical August.

Record high
113°45° (1934)
Record low
35°2° (1915)
Heating degree days
11
Cooling degree days
226

Richland in September

Highs average 76°24° and lows 53°12°, with 3.6 in91 mm of precipitation in a typical September.

Record high
103°39° (1925)
Record low
23°−5° (1942)
Heating degree days
107
Cooling degree days
91

Richland in OctoberThis month

Highs average 63°17° and lows 41°5°, with 3 in76 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.

Record high
96°36° (1953)
Record low
1°−17° (1925)
Heating degree days
413
Cooling degree days
11

Richland in November

Highs average 48°9° and lows 30°−1°, with 2.3 in58 mm of precipitation and 0.9 in2.3 cm of snow in a typical November.

Record high
81°27° (1938)
Record low
−6°−21° (1929)
Heating degree days
788
Cooling degree days
0

Richland in December

Highs average 35°2° and lows 20°−7°, with 1.7 in44 mm of precipitation and 4 in9 cm of snow in a typical December.

Record high
74°23° (2021)
Record low
−27°−33° (1914)
Heating degree days
1161
Cooling degree days
0