Gray weather by month
What a typical year looks like in Gray, Iowa: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Audubon, 16 km from Gray; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 35 in890 mm
- Snow a year
- Rare
- Last spring freeze
- May 1
- First fall freeze
- Sep 29
- Heating degree days
- 7,172
- Cooling degree days
- 667
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −12°−24° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Gray in January
Highs average 28°−2° and lows 9°−13°, with 0.88 in22 mm of precipitation in a typical January.
- Record high
- 67°19° (1981)
- Record low
- −34°−37° (1912)
- Heating degree days
- 1444
- Cooling degree days
- 0
Gray in February
Highs average 33°0° and lows 13°−11°, with 1.1 in29 mm of precipitation in a typical February.
- Record high
- 75°24° (2024)
- Record low
- −35°−37° (1905)
- Heating degree days
- 1183
- Cooling degree days
- 0
Gray in March
Highs average 46°8° and lows 24°−4°, with 1.7 in43 mm of precipitation in a typical March.
- Record high
- 90°32° (1986)
- Record low
- −23°−31° (1960)
- Heating degree days
- 920
- Cooling degree days
- 0
Gray in April
Highs average 60°15° and lows 35°2°, with 3.7 in93 mm of precipitation in a typical April.
- Record high
- 93°34° (1980)
- Record low
- 4°−16° (1936)
- Heating degree days
- 532
- Cooling degree days
- 4
Gray in May
Highs average 70°21° and lows 48°9°, with 5.2 in132 mm of precipitation in a typical May.
- Record high
- 104°40° (1934)
- Record low
- 20°−7° (1907)
- Heating degree days
- 228
- Cooling degree days
- 39
Gray in June
Highs average 80°26° and lows 58°15°, with 5.1 in130 mm of precipitation in a typical June.
- Record high
- 105°41° (1933)
- Record low
- 35°2° (1915)
- Heating degree days
- 36
- Cooling degree days
- 151
Gray in July
Highs average 83°28° and lows 62°16°, with 3.8 in97 mm of precipitation in a typical July.
- Record high
- 113°45° (1936)
- Record low
- 40°4° (1918)
- Heating degree days
- 9
- Cooling degree days
- 229
Gray in August
Highs average 81°27° and lows 59°15°, with 4.5 in115 mm of precipitation in a typical August.
- Record high
- 110°43° (1934)
- Record low
- 35°2° (1906)
- Heating degree days
- 22
- Cooling degree days
- 172
Gray in September
Highs average 75°24° and lows 50°10°, with 3.5 in89 mm of precipitation in a typical September.
- Record high
- 101°38° (1939)
- Record low
- 22°−6° (1908)
- Heating degree days
- 148
- Cooling degree days
- 65
Gray in OctoberThis month
Highs average 62°17° and lows 37°3°, with 2.8 in72 mm of precipitation in a typical October.
- Record high
- 93°34° (1997)
- Record low
- 0°−18° (1925)
- Heating degree days
- 486
- Cooling degree days
- 7
Gray in November
Highs average 46°8° and lows 25°−4°, with 1.5 in39 mm of precipitation in a typical November.
- Record high
- 78°26° (1953)
- Record low
- −14°−26° (2019)
- Heating degree days
- 884
- Cooling degree days
- 0
Gray in December
Highs average 33°1° and lows 14°−10°, with 1.2 in30 mm of precipitation in a typical December.
- Record high
- 69°21° (2021)
- Record low
- −29°−34° (1989)
- Heating degree days
- 1280
- Cooling degree days
- 0