South Fork weather by month
What a typical year looks like in South Fork, Colorado: average highs and lows, rain and snow, and the warmest and coldest days on record. No nearby active station has official 1991–2020 normals, so these are forecast.blue’s own averages computed from daily observations at Grayback, 24 km from South Fork, over its available record (2004–2026) — not an NCEI normal; records cover 2004–2026.
The year at a glance
- Precipitation a year
- 30.5 in775 mm
- Snow a year
- Rare
- Last spring freeze
- Jun 11
- First fall freeze
- Sep 9
- Heating degree days
- —
- Cooling degree days
- —
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −10°−23° (heating, 99%) and 72°22° (cooling, 1%).
Month by month
South Fork in January
Highs average 29°−1° and lows 7°−14°, with 2.4 in61 mm of precipitation in a typical January.
- Record high
- 57°14° (2005)
- Record low
- −22°−30° (2008)
- Heating degree days
- —
- Cooling degree days
- —
South Fork in February
Highs average 29°−2° and lows 8°−13°, with 2.7 in69 mm of precipitation in a typical February.
- Record high
- 51°11° (2005)
- Record low
- −25°−32° (2011)
- Heating degree days
- —
- Cooling degree days
- —
South Fork in March
Highs average 35°2° and lows 13°−10°, with 2.9 in74 mm of precipitation in a typical March.
- Record high
- 71°22° (2007)
- Record low
- −14°−26° (2007)
- Heating degree days
- —
- Cooling degree days
- —
South Fork in April
Highs average 40°4° and lows 19°−7°, with 2.3 in58 mm of precipitation in a typical April.
- Record high
- 68°20° (2006)
- Record low
- −8°−22° (2023)
- Heating degree days
- —
- Cooling degree days
- —
South Fork in May
Highs average 48°9° and lows 28°−2°, with 2 in51 mm of precipitation in a typical May.
- Record high
- 68°20° (2005)
- Record low
- 3°−16° (2011)
- Heating degree days
- —
- Cooling degree days
- —
South Fork in June
Highs average 61°16° and lows 39°4°, with 1.2 in30 mm of precipitation in a typical June.
- Record high
- 81°27° (2005)
- Record low
- 18°−8° (2020)
- Heating degree days
- —
- Cooling degree days
- —
South Fork in July
Highs average 65°18° and lows 43°6°, with 3.4 in86 mm of precipitation in a typical July.
- Record high
- 91°33° (2005)
- Record low
- 29°−2° (2010)
- Heating degree days
- —
- Cooling degree days
- —
South Fork in August
Highs average 62°17° and lows 41°5°, with 3.2 in81 mm of precipitation in a typical August.
- Record high
- 86°30° (2005)
- Record low
- 32°0° (2008)
- Heating degree days
- —
- Cooling degree days
- —
South Fork in September
Highs average 57°14° and lows 36°2°, with 2.4 in61 mm of precipitation in a typical September.
- Record high
- 73°23° (2006)
- Record low
- 12°−11° (2013)
- Heating degree days
- —
- Cooling degree days
- —
South Fork in OctoberThis month
Highs average 46°8° and lows 26°−4°, with 2.5 in64 mm of precipitation in a typical October.
- Record high
- 70°21° (2006)
- Record low
- −6°−21° (2019)
- Heating degree days
- —
- Cooling degree days
- —
South Fork in November
Highs average 37°3° and lows 16°−9°, with 2.3 in58 mm of precipitation in a typical November.
- Record high
- 67°19° (2006)
- Record low
- −13°−25° (2010)
- Heating degree days
- —
- Cooling degree days
- —
South Fork in December
Highs average 29°−2° and lows 9°−13°, with 3.2 in81 mm of precipitation in a typical December.
- Record high
- 63°17° (2005)
- Record low
- −20°−29° (2010)
- Heating degree days
- —
- Cooling degree days
- —
Wolf Creek Pass 1 E station, 1957–2001: records and averages
This station is no longer reporting, but its 1957–2001 record is the longest and most local history available. These are its own averages over its own period of record — not NCEI normals, and not the same station as the computed averages above.
January
Average high 31°−1°, low 5°−15°, 3.8 in97 mm precipitation.
Record high 58°14° (1984); record low −30°−34° (1963).
February
Average high 31°0°, low 6°−14°, 4 in102 mm precipitation.
Record high 63°17° (1958); record low −40° (1982).
March
Average high 34°1°, low 11°−12°, 5 in127 mm precipitation.
Record high 61°16° (1987); record low −20°−29° (1977).
April
Average high 41°5°, low 17°−8°, 3.4 in86 mm precipitation.
Record high 69°21° (1992); record low −12°−24° (1983).
May
Average high 51°11°, low 27°−3°, 2.1 in53 mm precipitation.
Record high 73°23° (1958); record low −1°−18° (1967).
June
Average high 61°16°, low 35°2°, 1.8 in46 mm precipitation.
Record high 80°27° (1990); record low 15°−9° (1978).
July
Average high 66°19°, low 41°5°, 3.6 in91 mm precipitation.
Record high 80°27° (1989); record low 21°−6° (1974).
August
Average high 64°18°, low 39°4°, 4.6 in117 mm precipitation.
Record high 78°26° (1980); record low 15°−9° (1981).
September
Average high 57°14°, low 34°1°, 4.4 in112 mm precipitation.
Record high 81°27° (1990); record low 13°−11° (1965).
October
Average high 48°9°, low 24°−4°, 4.5 in114 mm precipitation.
Record high 68°20° (1978); record low −10°−23° (1975).
November
Average high 37°3°, low 13°−10°, 4.2 in107 mm precipitation.
Record high 65°18° (1973); record low −23°−31° (1994).
December
Average high 31°0°, low 6°−14°, 4.3 in109 mm precipitation.
Record high 56°13° (1975); record low −27°−33° (1990).
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