Athol weather by month
What a typical year looks like in Athol, Idaho: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Bayview Model Basin, 12 km from Athol; records cover 1947–2026.
The year at a glance
- Precipitation a year
- 24.7 in626 mm
- Snow a year
- 27 in69 cm
- Last spring freeze
- May 20
- First fall freeze
- Sep 18
- Heating degree days
- 7,423
- Cooling degree days
- 149
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 5°−15° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Athol in January
Highs average 35°2° and lows 23°−5°, with 2.4 in60 mm of precipitation and 9 in22 cm of snow in a typical January.
- Record high
- 55°13° (1983)
- Record low
- −29°−34° (1950)
- Heating degree days
- 1127
- Cooling degree days
- 0
Athol in February
Highs average 38°3° and lows 23°−5°, with 1.8 in46 mm of precipitation and 3 in8 cm of snow in a typical February.
- Record high
- 62°17° (1948)
- Record low
- −30°−34° (1950)
- Heating degree days
- 962
- Cooling degree days
- 0
Athol in March
Highs average 45°7° and lows 28°−2°, with 2.5 in64 mm of precipitation and 1.8 in4.6 cm of snow in a typical March.
- Record high
- 73°23° (1966)
- Record low
- −12°−24° (1955)
- Heating degree days
- 884
- Cooling degree days
- 0
Athol in April
Highs average 54°12° and lows 33°0°, with 2.1 in52 mm of precipitation in a typical April.
- Record high
- 81°27° (1992)
- Record low
- 15°−9° (1997)
- Heating degree days
- 647
- Cooling degree days
- 0
Athol in May
Highs average 64°18° and lows 39°4°, with 2.3 in59 mm of precipitation in a typical May.
- Record high
- 94°34° (1998)
- Record low
- 19°−7° (2009)
- Heating degree days
- 419
- Cooling degree days
- 2
Athol in June
Highs average 71°21° and lows 45°7°, with 1.9 in49 mm of precipitation in a typical June.
- Record high
- 98°37° (1992)
- Record low
- 28°−2° (2000)
- Heating degree days
- 228
- Cooling degree days
- 13
Athol in July
Highs average 80°27° and lows 50°10°, with 0.91 in23 mm of precipitation in a typical July.
- Record high
- 101°38° (2003)
- Record low
- 32°0° (1971)
- Heating degree days
- 72
- Cooling degree days
- 70
Athol in August
Highs average 80°26° and lows 49°9°, with 0.92 in23 mm of precipitation in a typical August.
- Record high
- 101°38° (1998)
- Record low
- 27°−3° (1992)
- Heating degree days
- 81
- Cooling degree days
- 58
Athol in September
Highs average 69°21° and lows 42°6°, with 0.99 in25 mm of precipitation in a typical September.
- Record high
- 97°36° (2022)
- Record low
- 17°−8° (2001)
- Heating degree days
- 290
- Cooling degree days
- 6
Athol in OctoberThis month
Highs average 54°12° and lows 33°1°, with 2.2 in55 mm of precipitation in a typical October.
- Record high
- 82°28° (2001)
- Record low
- 0°−18° (2002)
- Heating degree days
- 662
- Cooling degree days
- 0
Athol in November
Highs average 42°5° and lows 27°−3°, with 3.1 in78 mm of precipitation and 1.4 in3.6 cm of snow in a typical November.
- Record high
- 69°21° (1999)
- Record low
- −14°−26° (1955)
- Heating degree days
- 915
- Cooling degree days
- 0
Athol in December
Highs average 34°1° and lows 22°−5°, with 3.6 in91 mm of precipitation and 12 in31 cm of snow in a typical December.
- Record high
- 59°15° (2021)
- Record low
- −28°−33° (1968)
- Heating degree days
- 1136
- Cooling degree days
- 0