Indian Mountain Lake weather by month
What a typical year looks like in Indian Mountain Lake, Pennsylvania: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Pocono Mountains Municipal Airport, 19 km from Indian Mountain Lake; records cover 1901–2026.
The year at a glance
- Precipitation a year
- 50.2 in1276 mm
- Snow a year
- Rare
- Last spring freeze
- May 13
- First fall freeze
- Oct 7
- Heating degree days
- 7,247
- Cooling degree days
- 288
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −2°−19° (heating, 99%) and 87°31° (cooling, 1%).
Month by month
Indian Mountain Lake in January
Highs average 30°−1° and lows 15°−9°, with 3 in76 mm of precipitation in a typical January.
- Record high
- 69°21° (1950)
- Record low
- −35°−37° (1912)
- Heating degree days
- 1313
- Cooling degree days
- 0
Indian Mountain Lake in February
Highs average 33°1° and lows 17°−8°, with 2.5 in62 mm of precipitation in a typical February.
- Record high
- 70°21° (1930)
- Record low
- −25°−32° (1934)
- Heating degree days
- 1116
- Cooling degree days
- 0
Indian Mountain Lake in March
Highs average 41°5° and lows 24°−4°, with 3.8 in97 mm of precipitation in a typical March.
- Record high
- 81°27° (1910)
- Record low
- −14°−26° (1993)
- Heating degree days
- 1001
- Cooling degree days
- 0
Indian Mountain Lake in April
Highs average 55°13° and lows 34°1°, with 4.2 in108 mm of precipitation in a typical April.
- Record high
- 88°31° (1915)
- Record low
- 0°−18° (1908)
- Heating degree days
- 619
- Cooling degree days
- 2
Indian Mountain Lake in May
Highs average 65°19° and lows 45°7°, with 4.1 in103 mm of precipitation in a typical May.
- Record high
- 94°34° (1911)
- Record low
- 19°−7° (1914)
- Heating degree days
- 324
- Cooling degree days
- 13
Indian Mountain Lake in June
Highs average 73°23° and lows 53°12°, with 4.7 in119 mm of precipitation in a typical June.
- Record high
- 93°34° (2025)
- Record low
- 25°−4° (1914)
- Heating degree days
- 107
- Cooling degree days
- 53
Indian Mountain Lake in July
Highs average 78°25° and lows 58°15°, with 4.7 in120 mm of precipitation in a typical July.
- Record high
- 95°35° (1908)
- Record low
- 34°1° (1907)
- Heating degree days
- 27
- Cooling degree days
- 117
Indian Mountain Lake in August
Highs average 76°24° and lows 56°13°, with 4.6 in118 mm of precipitation in a typical August.
- Record high
- 95°35° (1909)
- Record low
- 31°−1° (1986)
- Heating degree days
- 49
- Cooling degree days
- 80
Indian Mountain Lake in September
Highs average 69°20° and lows 50°10°, with 5.6 in142 mm of precipitation in a typical September.
- Record high
- 95°35° (1953)
- Record low
- 22°−6° (1963)
- Heating degree days
- 201
- Cooling degree days
- 22
Indian Mountain Lake in OctoberThis month
Highs average 57°14° and lows 39°4°, with 5.2 in131 mm of precipitation in a typical October.
- Record high
- 89°32° (1927)
- Record low
- 12°−11° (1917)
- Heating degree days
- 528
- Cooling degree days
- 1
Indian Mountain Lake in November
Highs average 46°8° and lows 30°−1°, with 4.1 in104 mm of precipitation in a typical November.
- Record high
- 77°25° (1950)
- Record low
- −2°−19° (1938)
- Heating degree days
- 818
- Cooling degree days
- 0
Indian Mountain Lake in December
Highs average 35°2° and lows 21°−6°, with 3.8 in96 mm of precipitation in a typical December.
- Record high
- 67°19° (2015)
- Record low
- −22°−30° (1917)
- Heating degree days
- 1144
- Cooling degree days
- 0