Grampian weather by month
What a typical year looks like in Grampian, Pennsylvania: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Clearfield Lawrence Airport, 19 km from Grampian; records cover 2000–2026.
The year at a glance
- Precipitation a year
- 40.3 in1025 mm
- Snow a year
- Rare
- Last spring freeze
- May 7
- First fall freeze
- Oct 7
- Heating degree days
- 6,392
- Cooling degree days
- 491
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 90°32° (cooling, 1%).
Month by month
Grampian in January
Highs average 34°1° and lows 18°−8°, with 2.8 in71 mm of precipitation in a typical January.
- Record high
- 68°20° (2007)
- Record low
- −15°−26° (2009)
- Heating degree days
- 1220
- Cooling degree days
- 0
Grampian in February
Highs average 38°3° and lows 19°−7°, with 2.3 in59 mm of precipitation in a typical February.
- Record high
- 75°24° (2018)
- Record low
- −18°−28° (2015)
- Heating degree days
- 1023
- Cooling degree days
- 0
Grampian in March
Highs average 47°8° and lows 26°−3°, with 3.1 in80 mm of precipitation in a typical March.
- Record high
- 80°27° (2012)
- Record low
- −8°−22° (2015)
- Heating degree days
- 885
- Cooling degree days
- 0
Grampian in April
Highs average 60°16° and lows 36°2°, with 3.9 in99 mm of precipitation in a typical April.
- Record high
- 88°31° (2023)
- Record low
- 16°−9° (2013)
- Heating degree days
- 516
- Cooling degree days
- 3
Grampian in May
Highs average 70°21° and lows 46°8°, with 3.7 in93 mm of precipitation in a typical May.
- Record high
- 91°33° (2006)
- Record low
- 25°−4° (2002)
- Heating degree days
- 236
- Cooling degree days
- 28
Grampian in June
Highs average 78°25° and lows 55°13°, with 4.4 in111 mm of precipitation in a typical June.
- Record high
- 94°34° (2024)
- Record low
- 32°0° (2009)
- Heating degree days
- 57
- Cooling degree days
- 92
Grampian in July
Highs average 82°28° and lows 59°15°, with 3.6 in91 mm of precipitation in a typical July.
- Record high
- 103°39° (2011)
- Record low
- 41°5° (2001)
- Heating degree days
- 12
- Cooling degree days
- 179
Grampian in August
Highs average 81°27° and lows 57°14°, with 3.5 in88 mm of precipitation in a typical August.
- Record high
- 95°35° (2001)
- Record low
- 40°4° (2025)
- Heating degree days
- 21
- Cooling degree days
- 140
Grampian in September
Highs average 73°23° and lows 50°10°, with 3.8 in97 mm of precipitation in a typical September.
- Record high
- 93°34° (2002)
- Record low
- 30°−1° (2020)
- Heating degree days
- 145
- Cooling degree days
- 44
Grampian in OctoberThis month
Highs average 62°17° and lows 40°4°, with 3.2 in80 mm of precipitation in a typical October.
- Record high
- 87°31° (2007)
- Record low
- 22°−6° (2001)
- Heating degree days
- 447
- Cooling degree days
- 5
Grampian in November
Highs average 49°9° and lows 31°−1°, with 3.2 in81 mm of precipitation in a typical November.
- Record high
- 78°26° (2003)
- Record low
- 6°−14° (2014)
- Heating degree days
- 758
- Cooling degree days
- 0
Grampian in December
Highs average 38°3° and lows 23°−5°, with 2.9 in74 mm of precipitation in a typical December.
- Record high
- 70°21° (2001)
- Record low
- −5°−21° (2022)
- Heating degree days
- 1072
- Cooling degree days
- 0