Fortescue weather by month
What a typical year looks like in Fortescue, Missouri: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Falls City Brenner Field, 23 km from Fortescue; records cover 1912–2026.
The year at a glance
- Precipitation a year
- 34.7 in882 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 17
- First fall freeze
- Oct 11
- Heating degree days
- 5,542
- Cooling degree days
- 1,238
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −4°−20° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
Fortescue in January
Highs average 36°2° and lows 17°−8°, with 0.62 in16 mm of precipitation in a typical January.
- Record high
- 72°22° (2015)
- Record low
- −30°−34° (1916)
- Heating degree days
- 1195
- Cooling degree days
- 0
Fortescue in February
Highs average 42°5° and lows 21°−6°, with 0.99 in25 mm of precipitation in a typical February.
- Record high
- 82°28° (1930)
- Record low
- −24°−31° (1936)
- Heating degree days
- 946
- Cooling degree days
- 0
Fortescue in March
Highs average 54°12° and lows 31°0°, with 2.1 in54 mm of precipitation in a typical March.
- Record high
- 95°35° (2026)
- Record low
- −17°−27° (1998)
- Heating degree days
- 694
- Cooling degree days
- 3
Fortescue in April
Highs average 65°18° and lows 41°5°, with 3.5 in89 mm of precipitation in a typical April.
- Record high
- 96°36° (1930)
- Record low
- 8°−13° (1975)
- Heating degree days
- 367
- Cooling degree days
- 15
Fortescue in May
Highs average 75°24° and lows 53°11°, with 4.6 in117 mm of precipitation in a typical May.
- Record high
- 108°42° (1934)
- Record low
- 27°−3° (1923)
- Heating degree days
- 126
- Cooling degree days
- 93
Fortescue in June
Highs average 85°29° and lows 63°17°, with 4.8 in123 mm of precipitation in a typical June.
- Record high
- 108°42° (1936)
- Record low
- 38°3° (1935)
- Heating degree days
- 10
- Cooling degree days
- 270
Fortescue in July
Highs average 88°31° and lows 66°19°, with 5.2 in132 mm of precipitation in a typical July.
- Record high
- 114°46° (1934)
- Record low
- 39°4° (1947)
- Heating degree days
- 1
- Cooling degree days
- 379
Fortescue in August
Highs average 87°30° and lows 64°18°, with 3.8 in95 mm of precipitation in a typical August.
- Record high
- 114°46° (1934)
- Record low
- 35°2° (1929)
- Heating degree days
- 4
- Cooling degree days
- 316
Fortescue in September
Highs average 80°27° and lows 55°13°, with 3.3 in85 mm of precipitation in a typical September.
- Record high
- 111°44° (1922)
- Record low
- 21°−6° (1928)
- Heating degree days
- 76
- Cooling degree days
- 139
Fortescue in OctoberThis month
Highs average 67°19° and lows 43°6°, with 2.7 in69 mm of precipitation in a typical October.
- Record high
- 97°36° (1938)
- Record low
- 0°−18° (1925)
- Heating degree days
- 340
- Cooling degree days
- 22
Fortescue in November
Highs average 52°11° and lows 30°−1°, with 1.8 in46 mm of precipitation in a typical November.
- Record high
- 83°28° (1999)
- Record low
- −4°−20° (1991)
- Heating degree days
- 715
- Cooling degree days
- 1
Fortescue in December
Highs average 40°5° and lows 21°−6°, with 1.2 in31 mm of precipitation in a typical December.
- Record high
- 75°24° (1964)
- Record low
- −29°−34° (1989)
- Heating degree days
- 1068
- Cooling degree days
- 0