Millwood weather by month
What a typical year looks like in Millwood, Pennsylvania: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Loyalhanna Lake, 18 km from Millwood; records cover 1989–2026.
The year at a glance
- Precipitation a year
- 43.4 in1103 mm
- Snow a year
- Rare
- Last spring freeze
- May 5
- First fall freeze
- Oct 18
- Heating degree days
- 6,000
- Cooling degree days
- 570
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 0°−18° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Millwood in January
Highs average 37°3° and lows 19°−7°, with 3.1 in78 mm of precipitation in a typical January.
- Record high
- 71°22° (2020)
- Record low
- −22°−30° (1994)
- Heating degree days
- 1159
- Cooling degree days
- 0
Millwood in February
Highs average 40°4° and lows 20°−7°, with 2.5 in64 mm of precipitation in a typical February.
- Record high
- 77°25° (2018)
- Record low
- −21°−29° (2015)
- Heating degree days
- 987
- Cooling degree days
- 0
Millwood in March
Highs average 49°10° and lows 27°−3°, with 3.3 in83 mm of precipitation in a typical March.
- Record high
- 84°29° (1998)
- Record low
- −5°−21° (2015)
- Heating degree days
- 836
- Cooling degree days
- 0
Millwood in April
Highs average 62°17° and lows 36°2°, with 3.8 in96 mm of precipitation in a typical April.
- Record high
- 90°32° (1990)
- Record low
- 16°−9° (2013)
- Heating degree days
- 475
- Cooling degree days
- 2
Millwood in May
Highs average 72°22° and lows 46°8°, with 4 in102 mm of precipitation in a typical May.
- Record high
- 93°34° (2006)
- Record low
- 26°−3° (2020)
- Heating degree days
- 217
- Cooling degree days
- 28
Millwood in June
Highs average 80°26° and lows 55°13°, with 4.1 in105 mm of precipitation in a typical June.
- Record high
- 97°36° (2004)
- Record low
- 36°2° (1990)
- Heating degree days
- 46
- Cooling degree days
- 112
Millwood in July
Highs average 83°29° and lows 59°15°, with 4.3 in110 mm of precipitation in a typical July.
- Record high
- 98°37° (2012)
- Record low
- 39°4° (2011)
- Heating degree days
- 8
- Cooling degree days
- 198
Millwood in August
Highs average 82°28° and lows 58°15°, with 4.6 in117 mm of precipitation in a typical August.
- Record high
- 96°36° (1991)
- Record low
- 42°6° (1997)
- Heating degree days
- 13
- Cooling degree days
- 166
Millwood in September
Highs average 76°24° and lows 51°11°, with 4 in102 mm of precipitation in a typical September.
- Record high
- 97°36° (2002)
- Record low
- 30°−1° (1991)
- Heating degree days
- 104
- Cooling degree days
- 58
Millwood in OctoberThis month
Highs average 64°18° and lows 40°4°, with 2.9 in73 mm of precipitation in a typical October.
- Record high
- 90°32° (2007)
- Record low
- 14°−10° (1992)
- Heating degree days
- 414
- Cooling degree days
- 6
Millwood in November
Highs average 52°11° and lows 30°−1°, with 3.3 in85 mm of precipitation in a typical November.
- Record high
- 81°27° (2024)
- Record low
- 4°−16° (1991)
- Heating degree days
- 729
- Cooling degree days
- 0
Millwood in December
Highs average 41°5° and lows 24°−4°, with 3.6 in91 mm of precipitation in a typical December.
- Record high
- 73°23° (1998)
- Record low
- −18°−28° (1989)
- Heating degree days
- 1012
- Cooling degree days
- 0