Dublin weather by month
What a typical year looks like in Dublin, Ohio: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at WESTERVILLE, 17 km from Dublin; records cover 1897–2026.
The year at a glance
- Precipitation a year
- 42.2 in1073 mm
- Snow a year
- 19 in48 cm
- Last spring freeze
- Apr 27
- First fall freeze
- Oct 19
- Heating degree days
- 5,107
- Cooling degree days
- 1,097
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 1°−17° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Dublin in January
Highs average 38°3° and lows 22°−6°, with 2.9 in74 mm of precipitation and 7 in18 cm of snow in a typical January.
- Record high
- 70°21° (2020)
- Record low
- −27°−33° (1963)
- Heating degree days
- 1089
- Cooling degree days
- 0
Dublin in February
Highs average 42°6° and lows 24°−4°, with 2.4 in60 mm of precipitation and 5 in13 cm of snow in a typical February.
- Record high
- 77°25° (2018)
- Record low
- −25°−32° (1977)
- Heating degree days
- 896
- Cooling degree days
- 0
Dublin in March
Highs average 53°11° and lows 32°0°, with 3.4 in87 mm of precipitation and 2.8 in7.1 cm of snow in a typical March.
- Record high
- 85°29° (2012)
- Record low
- −10°−23° (1967)
- Heating degree days
- 707
- Cooling degree days
- 2
Dublin in April
Highs average 66°19° and lows 42°5°, with 3.9 in99 mm of precipitation and 0.1 in0.3 cm of snow in a typical April.
- Record high
- 88°31° (1986)
- Record low
- 13°−11° (1964)
- Heating degree days
- 343
- Cooling degree days
- 16
Dublin in May
Highs average 76°24° and lows 52°11°, with 4.2 in107 mm of precipitation in a typical May.
- Record high
- 95°35° (1962)
- Record low
- 23°−5° (1966)
- Heating degree days
- 125
- Cooling degree days
- 92
Dublin in June
Highs average 83°28° and lows 61°16°, with 5 in128 mm of precipitation in a typical June.
- Record high
- 100°38° (1988)
- Record low
- 30°−1° (2000)
- Heating degree days
- 15
- Cooling degree days
- 230
Dublin in July
Highs average 86°30° and lows 65°18°, with 4.6 in116 mm of precipitation in a typical July.
- Record high
- 103°39° (1901)
- Record low
- 41°5° (1988)
- Heating degree days
- 1
- Cooling degree days
- 323
Dublin in August
Highs average 85°29° and lows 63°17°, with 3.6 in92 mm of precipitation in a typical August.
- Record high
- 101°38° (1983)
- Record low
- 36°2° (1982)
- Heating degree days
- 3
- Cooling degree days
- 277
Dublin in September
Highs average 79°26° and lows 56°13°, with 3.3 in84 mm of precipitation in a typical September.
- Record high
- 101°38° (1953)
- Record low
- 29°−2° (1963)
- Heating degree days
- 58
- Cooling degree days
- 134
Dublin in OctoberThis month
Highs average 67°20° and lows 45°7°, with 3 in75 mm of precipitation in a typical October.
- Record high
- 93°34° (2019)
- Record low
- 16°−9° (1952)
- Heating degree days
- 300
- Cooling degree days
- 22
Dublin in November
Highs average 53°12° and lows 35°2°, with 2.9 in73 mm of precipitation and 0.5 in1.3 cm of snow in a typical November.
- Record high
- 81°27° (2016)
- Record low
- −9°−23° (1958)
- Heating degree days
- 626
- Cooling degree days
- 1
Dublin in December
Highs average 42°6° and lows 27°−3°, with 3.1 in77 mm of precipitation and 3 in9 cm of snow in a typical December.
- Record high
- 76°24° (1982)
- Record low
- −25°−32° (1989)
- Heating degree days
- 944
- Cooling degree days
- 0