Curlew weather by month
What a typical year looks like in Curlew, Iowa: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Emmetsburg, 14 km from Curlew; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 33.6 in853 mm
- Snow a year
- 37 in94 cm
- Last spring freeze
- Apr 24
- First fall freeze
- Oct 6
- Heating degree days
- 7,250
- Cooling degree days
- 825
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 94°34° (cooling, 1%).
Month by month
Curlew in January
Highs average 26°−3° and lows 7°−14°, with 0.68 in17 mm of precipitation and 8 in20 cm of snow in a typical January.
- Record high
- 65°18° (2002)
- Record low
- −33°−36° (2019)
- Heating degree days
- 1494
- Cooling degree days
- 0
Curlew in February
Highs average 31°0° and lows 12°−11°, with 0.93 in24 mm of precipitation and 8 in21 cm of snow in a typical February.
- Record high
- 71°22° (2024)
- Record low
- −29°−34° (1996)
- Heating degree days
- 1222
- Cooling degree days
- 0
Curlew in March
Highs average 44°7° and lows 24°−5°, with 1.8 in45 mm of precipitation and 6 in15 cm of snow in a typical March.
- Record high
- 86°30° (1895)
- Record low
- −26°−32° (1962)
- Heating degree days
- 967
- Cooling degree days
- 0
Curlew in April
Highs average 59°15° and lows 36°2°, with 3.7 in94 mm of precipitation and 2.6 in6.6 cm of snow in a typical April.
- Record high
- 93°34° (1980)
- Record low
- 5°−15° (1975)
- Heating degree days
- 534
- Cooling degree days
- 6
Curlew in May
Highs average 71°22° and lows 49°9°, with 4.5 in114 mm of precipitation and 0.1 in0.3 cm of snow in a typical May.
- Record high
- 100°38° (2013)
- Record low
- 22°−6° (1967)
- Heating degree days
- 211
- Cooling degree days
- 52
Curlew in June
Highs average 82°28° and lows 59°15°, with 5.5 in141 mm of precipitation in a typical June.
- Record high
- 102°39° (1985)
- Record low
- 38°3° (1964)
- Heating degree days
- 27
- Cooling degree days
- 188
Curlew in July
Highs average 85°29° and lows 63°17°, with 3.8 in97 mm of precipitation in a typical July.
- Record high
- 106°41° (1894)
- Record low
- 40°4° (1895)
- Heating degree days
- 4
- Cooling degree days
- 284
Curlew in August
Highs average 82°28° and lows 60°16°, with 4.4 in111 mm of precipitation in a typical August.
- Record high
- 102°39° (1894)
- Record low
- 38°3° (1950)
- Heating degree days
- 12
- Cooling degree days
- 207
Curlew in September
Highs average 76°24° and lows 51°11°, with 3.4 in86 mm of precipitation in a typical September.
- Record high
- 99°37° (1947)
- Record low
- 18°−8° (1942)
- Heating degree days
- 127
- Cooling degree days
- 80
Curlew in OctoberThis month
Highs average 63°17° and lows 38°4°, with 2.4 in60 mm of precipitation and 0.3 in0.8 cm of snow in a typical October.
- Record high
- 94°34° (1963)
- Record low
- 9°−13° (1895)
- Heating degree days
- 459
- Cooling degree days
- 8
Curlew in November
Highs average 46°8° and lows 26°−4°, with 1.5 in37 mm of precipitation and 5 in12 cm of snow in a typical November.
- Record high
- 81°27° (2006)
- Record low
- −11°−24° (1952)
- Heating degree days
- 885
- Cooling degree days
- 0
Curlew in December
Highs average 32°0° and lows 14°−10°, with 1.1 in27 mm of precipitation and 7 in18 cm of snow in a typical December.
- Record high
- 69°21° (2004)
- Record low
- −24°−31° (1983)
- Heating degree days
- 1308
- Cooling degree days
- 0