Fort Klamath weather by month
What a typical year looks like in Fort Klamath, Oregon: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Crater Lake Nps Hq, 24 km from Fort Klamath; records cover 1919–2026.
The year at a glance
- Precipitation a year
- 66.8 in1696 mm
- Snow a year
- 463 in1176 cm
- Last spring freeze
- Jun 25
- First fall freeze
- Jul 17
- Heating degree days
- 9,871
- Cooling degree days
- 7
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 4°−16° (heating, 99%) and 81°27° (cooling, 1%).
Month by month
Fort Klamath in January
Highs average 33°1° and lows 20°−7°, with 10.1 in257 mm of precipitation and 87 in220 cm of snow in a typical January.
- Record high
- 64°18° (1920)
- Record low
- −21°−29° (1962)
- Heating degree days
- 1190
- Cooling degree days
- 0
Fort Klamath in February
Highs average 34°1° and lows 19°−7°, with 7.5 in191 mm of precipitation and 69 in175 cm of snow in a typical February.
- Record high
- 66°19° (1954)
- Record low
- −18°−28° (1933)
- Heating degree days
- 1085
- Cooling degree days
- 0
Fort Klamath in March
Highs average 36°2° and lows 20°−6°, with 7.8 in198 mm of precipitation and 72 in183 cm of snow in a typical March.
- Record high
- 67°19° (1921)
- Record low
- −7°−22° (1971)
- Heating degree days
- 1141
- Cooling degree days
- 0
Fort Klamath in April
Highs average 40°5° and lows 23°−5°, with 6.2 in156 mm of precipitation and 49 in124 cm of snow in a typical April.
- Record high
- 71°22° (1927)
- Record low
- −3°−19° (1922)
- Heating degree days
- 999
- Cooling degree days
- 0
Fort Klamath in May
Highs average 49°9° and lows 29°−1°, with 3.7 in93 mm of precipitation and 15 in37 cm of snow in a typical May.
- Record high
- 80°27° (1931)
- Record low
- 5°−15° (1930)
- Heating degree days
- 801
- Cooling degree days
- 0
Fort Klamath in June
Highs average 57°14° and lows 34°1°, with 2.3 in58 mm of precipitation and 4 in9 cm of snow in a typical June.
- Record high
- 95°35° (1922)
- Record low
- 10°−12° (1954)
- Heating degree days
- 591
- Cooling degree days
- 0
Fort Klamath in July
Highs average 69°21° and lows 41°5°, with 0.8 in20 mm of precipitation in a typical July.
- Record high
- 100°38° (1922)
- Record low
- 18°−8° (1935)
- Heating degree days
- 309
- Cooling degree days
- 3
Fort Klamath in August
Highs average 69°21° and lows 42°5°, with 0.83 in21 mm of precipitation in a typical August.
- Record high
- 94°34° (1920)
- Record low
- 16°−9° (1925)
- Heating degree days
- 301
- Cooling degree days
- 3
Fort Klamath in September
Highs average 63°17° and lows 37°3°, with 1.9 in49 mm of precipitation and 1.8 in4.6 cm of snow in a typical September.
- Record high
- 93°34° (1922)
- Record low
- 16°−9° (1921)
- Heating degree days
- 449
- Cooling degree days
- 1
Fort Klamath in OctoberThis month
Highs average 51°10° and lows 30°−1°, with 4.8 in122 mm of precipitation and 17 in44 cm of snow in a typical October.
- Record high
- 81°27° (1921)
- Record low
- 3°−16° (1919)
- Heating degree days
- 761
- Cooling degree days
- 0
Fort Klamath in November
Highs average 38°3° and lows 23°−5°, with 9.6 in244 mm of precipitation and 59 in151 cm of snow in a typical November.
- Record high
- 71°22° (1935)
- Record low
- −7°−22° (1955)
- Heating degree days
- 1032
- Cooling degree days
- 0
Fort Klamath in December
Highs average 33°0° and lows 19°−7°, with 11.3 in287 mm of precipitation and 91 in230 cm of snow in a typical December.
- Record high
- 64°18° (1919)
- Record low
- −18°−28° (1924)
- Heating degree days
- 1212
- Cooling degree days
- 0