Pleasanton weather by month
What a typical year looks like in Pleasanton, Iowa: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Princeton, 25 km from Pleasanton; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 38 in965 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 17
- First fall freeze
- Oct 16
- Heating degree days
- 6,014
- Cooling degree days
- 990
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −6°−21° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Pleasanton in January
Highs average 34°1° and lows 15°−10°, with 1.1 in28 mm of precipitation in a typical January.
- Record high
- 72°22° (1989)
- Record low
- −26°−32° (1974)
- Heating degree days
- 1266
- Cooling degree days
- 0
Pleasanton in February
Highs average 39°4° and lows 18°−8°, with 1.2 in31 mm of precipitation in a typical February.
- Record high
- 77°25° (2017)
- Record low
- −28°−33° (1905)
- Heating degree days
- 1022
- Cooling degree days
- 0
Pleasanton in March
Highs average 51°11° and lows 29°−2°, with 2.2 in57 mm of precipitation in a typical March.
- Record high
- 89°32° (2026)
- Record low
- −25°−32° (1960)
- Heating degree days
- 774
- Cooling degree days
- 2
Pleasanton in April
Highs average 63°17° and lows 39°4°, with 4.2 in108 mm of precipitation in a typical April.
- Record high
- 96°36° (1901)
- Record low
- 8°−13° (2018)
- Heating degree days
- 429
- Cooling degree days
- 7
Pleasanton in May
Highs average 72°22° and lows 50°10°, with 5.1 in128 mm of precipitation in a typical May.
- Record high
- 97°36° (1953)
- Record low
- 28°−2° (1961)
- Heating degree days
- 174
- Cooling degree days
- 56
Pleasanton in June
Highs average 81°27° and lows 61°16°, with 5.6 in142 mm of precipitation in a typical June.
- Record high
- 106°41° (1988)
- Record low
- 37°3° (1969)
- Heating degree days
- 20
- Cooling degree days
- 204
Pleasanton in July
Highs average 86°30° and lows 65°19°, with 3.9 in98 mm of precipitation in a typical July.
- Record high
- 111°44° (1901)
- Record low
- 42°6° (1972)
- Heating degree days
- 2
- Cooling degree days
- 329
Pleasanton in August
Highs average 84°29° and lows 63°17°, with 4.3 in108 mm of precipitation in a typical August.
- Record high
- 110°43° (1984)
- Record low
- 35°2° (1986)
- Heating degree days
- 6
- Cooling degree days
- 272
Pleasanton in September
Highs average 77°25° and lows 54°12°, with 3.8 in97 mm of precipitation in a typical September.
- Record high
- 102°39° (1899)
- Record low
- 25°−4° (1984)
- Heating degree days
- 95
- Cooling degree days
- 105
Pleasanton in OctoberThis month
Highs average 65°18° and lows 42°5°, with 3.3 in84 mm of precipitation in a typical October.
- Record high
- 95°35° (1894)
- Record low
- 13°−11° (1952)
- Heating degree days
- 370
- Cooling degree days
- 15
Pleasanton in November
Highs average 51°10° and lows 30°−1°, with 1.9 in48 mm of precipitation in a typical November.
- Record high
- 84°29° (1893)
- Record low
- −12°−24° (1964)
- Heating degree days
- 743
- Cooling degree days
- 0
Pleasanton in December
Highs average 38°3° and lows 20°−7°, with 1.4 in36 mm of precipitation in a typical December.
- Record high
- 73°23° (2021)
- Record low
- −25°−32° (1989)
- Heating degree days
- 1113
- Cooling degree days
- 0