Luxemburg weather by month
What a typical year looks like in Luxemburg, Iowa: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Guttenberg L And D 10, 20 km from Luxemburg; records cover 1937–2026.
The year at a glance
- Precipitation a year
- 37.3 in947 mm
- Snow a year
- 34 in87 cm
- Last spring freeze
- Apr 15
- First fall freeze
- Oct 18
- Heating degree days
- 6,798
- Cooling degree days
- 833
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −11°−24° (heating, 99%) and 94°34° (cooling, 1%).
Month by month
Luxemburg in January
Highs average 28°−2° and lows 10°−12°, with 1.3 in34 mm of precipitation and 10 in25 cm of snow in a typical January.
- Record high
- 60°16° (2002)
- Record low
- −36°−38° (1951)
- Heating degree days
- 1423
- Cooling degree days
- 0
Luxemburg in February
Highs average 33°0° and lows 14°−10°, with 1.2 in31 mm of precipitation and 9 in24 cm of snow in a typical February.
- Record high
- 73°23° (2017)
- Record low
- −38°−39° (1996)
- Heating degree days
- 1165
- Cooling degree days
- 0
Luxemburg in March
Highs average 45°7° and lows 27°−3°, with 2 in50 mm of precipitation and 4 in9 cm of snow in a typical March.
- Record high
- 87°31° (1986)
- Record low
- −30°−34° (1962)
- Heating degree days
- 902
- Cooling degree days
- 1
Luxemburg in April
Highs average 59°15° and lows 39°4°, with 3.7 in93 mm of precipitation and 0.7 in1.8 cm of snow in a typical April.
- Record high
- 97°36° (1980)
- Record low
- 7°−14° (1982)
- Heating degree days
- 485
- Cooling degree days
- 5
Luxemburg in May
Highs average 71°22° and lows 50°10°, with 4.6 in116 mm of precipitation in a typical May.
- Record high
- 95°35° (1998)
- Record low
- 27°−3° (2005)
- Heating degree days
- 191
- Cooling degree days
- 51
Luxemburg in June
Highs average 80°27° and lows 60°16°, with 5.7 in145 mm of precipitation in a typical June.
- Record high
- 101°38° (1988)
- Record low
- 39°4° (2019)
- Heating degree days
- 25
- Cooling degree days
- 183
Luxemburg in July
Highs average 84°29° and lows 64°18°, with 4.9 in123 mm of precipitation in a typical July.
- Record high
- 103°39° (2012)
- Record low
- 46°8° (1967)
- Heating degree days
- 3
- Cooling degree days
- 281
Luxemburg in August
Highs average 82°28° and lows 62°17°, with 3.6 in92 mm of precipitation in a typical August.
- Record high
- 103°39° (1948)
- Record low
- 40°4° (1986)
- Heating degree days
- 9
- Cooling degree days
- 217
Luxemburg in September
Highs average 75°24° and lows 54°12°, with 3.8 in95 mm of precipitation in a typical September.
- Record high
- 101°38° (1939)
- Record low
- 27°−3° (1949)
- Heating degree days
- 110
- Cooling degree days
- 85
Luxemburg in OctoberThis month
Highs average 61°16° and lows 42°5°, with 2.8 in71 mm of precipitation and 0.3 in0.8 cm of snow in a typical October.
- Record high
- 94°34° (1997)
- Record low
- 14°−10° (1972)
- Heating degree days
- 430
- Cooling degree days
- 10
Luxemburg in November
Highs average 46°8° and lows 29°−2°, with 2.1 in54 mm of precipitation and 1.2 in3 cm of snow in a typical November.
- Record high
- 78°26° (1950)
- Record low
- −11°−24° (1977)
- Heating degree days
- 824
- Cooling degree days
- 0
Luxemburg in December
Highs average 33°1° and lows 18°−8°, with 1.7 in42 mm of precipitation and 9 in23 cm of snow in a typical December.
- Record high
- 69°21° (2021)
- Record low
- −29°−34° (2000)
- Heating degree days
- 1231
- Cooling degree days
- 0