Martelle weather by month
What a typical year looks like in Martelle, Iowa: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at CEDAR RAPIDS NO. 1, 19 km from Martelle; records cover 1892–2026.
The year at a glance
- Precipitation a year
- 38.8 in984 mm
- Snow a year
- 34 in87 cm
- Last spring freeze
- Apr 28
- First fall freeze
- Oct 10
- Heating degree days
- 6,382
- Cooling degree days
- 919
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −8°−22° (heating, 99%) and 94°34° (cooling, 1%).
Month by month
Martelle in January
Highs average 30°−1° and lows 13°−11°, with 1.2 in30 mm of precipitation and 9 in22 cm of snow in a typical January.
- Record high
- 68°20° (1989)
- Record low
- −33°−36° (2009)
- Heating degree days
- 1356
- Cooling degree days
- 0
Martelle in February
Highs average 35°2° and lows 17°−9°, with 1.3 in34 mm of precipitation and 8 in21 cm of snow in a typical February.
- Record high
- 76°24° (2017)
- Record low
- −28°−33° (1996)
- Heating degree days
- 1096
- Cooling degree days
- 0
Martelle in March
Highs average 49°9° and lows 28°−2°, with 2.1 in52 mm of precipitation and 4 in10 cm of snow in a typical March.
- Record high
- 89°32° (2026)
- Record low
- −17°−27° (1962)
- Heating degree days
- 832
- Cooling degree days
- 2
Martelle in April
Highs average 63°17° and lows 38°4°, with 4 in102 mm of precipitation and 1.5 in3.8 cm of snow in a typical April.
- Record high
- 94°34° (1896)
- Record low
- 3°−16° (1982)
- Heating degree days
- 434
- Cooling degree days
- 10
Martelle in May
Highs average 74°23° and lows 50°10°, with 4.7 in120 mm of precipitation in a typical May.
- Record high
- 104°40° (1934)
- Record low
- 24°−4° (1925)
- Heating degree days
- 166
- Cooling degree days
- 64
Martelle in June
Highs average 82°28° and lows 60°15°, with 5.7 in144 mm of precipitation in a typical June.
- Record high
- 103°39° (1901)
- Record low
- 36°2° (1945)
- Heating degree days
- 21
- Cooling degree days
- 200
Martelle in July
Highs average 86°30° and lows 63°17°, with 4.5 in114 mm of precipitation in a typical July.
- Record high
- 110°43° (1911)
- Record low
- 42°6° (1924)
- Heating degree days
- 3
- Cooling degree days
- 294
Martelle in August
Highs average 83°29° and lows 61°16°, with 4.4 in112 mm of precipitation in a typical August.
- Record high
- 108°42° (1930)
- Record low
- 37°3° (1915)
- Heating degree days
- 8
- Cooling degree days
- 234
Martelle in September
Highs average 77°25° and lows 53°12°, with 4 in101 mm of precipitation in a typical September.
- Record high
- 105°41° (1925)
- Record low
- 22°−6° (1899)
- Heating degree days
- 96
- Cooling degree days
- 101
Martelle in OctoberThis month
Highs average 64°18° and lows 42°5°, with 3 in76 mm of precipitation and 0.6 in1.5 cm of snow in a typical October.
- Record high
- 94°34° (1997)
- Record low
- −2°−19° (1925)
- Heating degree days
- 392
- Cooling degree days
- 14
Martelle in November
Highs average 48°9° and lows 29°−1°, with 2.2 in56 mm of precipitation and 2.2 in5.6 cm of snow in a typical November.
- Record high
- 80°27° (1999)
- Record low
- −10°−23° (1977)
- Heating degree days
- 789
- Cooling degree days
- 0
Martelle in December
Highs average 35°2° and lows 19°−7°, with 1.7 in42 mm of precipitation and 9 in23 cm of snow in a typical December.
- Record high
- 69°21° (1998)
- Record low
- −28°−33° (1924)
- Heating degree days
- 1189
- Cooling degree days
- 0