Farson weather by month
What a typical year looks like in Farson, Wyoming: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Farson 2nne, 2 km from Farson; records cover 1915–2026.
The year at a glance
- Precipitation a year
- 7.8 in199 mm
- Snow a year
- 28 in72 cm
- Last spring freeze
- Jun 12
- First fall freeze
- Sep 6
- Heating degree days
- 9,948
- Cooling degree days
- 72
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −25°−32° (heating, 99%) and 89°32° (cooling, 1%).
Month by month
Farson in January
Highs average 28°−2° and lows −4°−20°, with 0.34 in8.6 mm of precipitation and 5 in12 cm of snow in a typical January.
- Record high
- 55°13° (1931)
- Record low
- −49°−45° (1979)
- Heating degree days
- 1657
- Cooling degree days
- 0
Farson in February
Highs average 30°−1° and lows −2°−19°, with 0.29 in7.4 mm of precipitation and 5 in13 cm of snow in a typical February.
- Record high
- 58°14° (2015)
- Record low
- −47°−44° (1942)
- Heating degree days
- 1421
- Cooling degree days
- 0
Farson in March
Highs average 43°6° and lows 14°−10°, with 0.47 in12 mm of precipitation and 5 in12 cm of snow in a typical March.
- Record high
- 77°25° (2026)
- Record low
- −31°−35° (1966)
- Heating degree days
- 1146
- Cooling degree days
- 0
Farson in April
Highs average 54°12° and lows 22°−5°, with 0.79 in20 mm of precipitation and 4 in10 cm of snow in a typical April.
- Record high
- 82°28° (2026)
- Record low
- −24°−31° (1936)
- Heating degree days
- 810
- Cooling degree days
- 0
Farson in May
Highs average 64°18° and lows 32°0°, with 1.5 in37 mm of precipitation and 0.4 in1 cm of snow in a typical May.
- Record high
- 91°33° (2026)
- Record low
- 5°−15° (1965)
- Heating degree days
- 532
- Cooling degree days
- 0
Farson in June
Highs average 74°23° and lows 40°4°, with 1.1 in27 mm of precipitation in a typical June.
- Record high
- 97°36° (1954)
- Record low
- 19°−7° (1982)
- Heating degree days
- 249
- Cooling degree days
- 7
Farson in July
Highs average 83°28° and lows 45°7°, with 0.54 in14 mm of precipitation in a typical July.
- Record high
- 105°41° (2026)
- Record low
- 25°−4° (1949)
- Heating degree days
- 74
- Cooling degree days
- 43
Farson in August
Highs average 81°27° and lows 44°7°, with 0.73 in19 mm of precipitation in a typical August.
- Record high
- 97°36° (1940)
- Record low
- 21°−6° (1964)
- Heating degree days
- 110
- Cooling degree days
- 22
Farson in September
Highs average 71°22° and lows 33°1°, with 0.85 in22 mm of precipitation and 0.1 in0.3 cm of snow in a typical September.
- Record high
- 93°34° (1931)
- Record low
- 7°−14° (1972)
- Heating degree days
- 388
- Cooling degree days
- 0
Farson in OctoberThis month
Highs average 57°14° and lows 22°−6°, with 0.61 in15 mm of precipitation and 1.1 in2.8 cm of snow in a typical October.
- Record high
- 81°27° (1979)
- Record low
- −15°−26° (2019)
- Heating degree days
- 787
- Cooling degree days
- 0
Farson in November
Highs average 41°5° and lows 10°−12°, with 0.32 in8.1 mm of precipitation and 3 in8 cm of snow in a typical November.
- Record high
- 71°22° (1924)
- Record low
- −34°−37° (1955)
- Heating degree days
- 1184
- Cooling degree days
- 0
Farson in December
Highs average 30°−1° and lows −2°−19°, with 0.37 in9.4 mm of precipitation and 5 in12 cm of snow in a typical December.
- Record high
- 70°21° (1925)
- Record low
- −52°−47° (1978)
- Heating degree days
- 1590
- Cooling degree days
- 0