Climate averages 1991–2020

Columbus weather
in October.

A mild, moderately wet month: the 6th warmest and the 4th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 17.5°C Daytime mean, October

Average low 8.3°C Night-time mean, October

Rainfall 74 mm 9 days with ≥1 mm

Daylight 11 h Sunrise to sunset, per day

October is a mild month in Columbus: daytime highs average 17.5°C and nights cool to about 8.3°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 74 mm of rain on roughly 9 days, which makes October a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 11 min on an average October day.

The nearest other city in this atlas is Dayton (104 km away). In October its highs average 17.6°C, about as warm as Columbus, with 74 mm of rain.

Among the 498 cities listed in the United States, Columbus ranks joint 340th of 498 for the warmest October highs and joint 230th of 498 for the driest October (rainfall, lowest first). The mean October high of those 498 cities is 21.4°C; Columbus is 3.8°C cooler than that mean.

From October to November, average highs fall by 7.2°C to 10.3°C, and monthly rainfall rises from 74 mm to 80 mm.

The annual picture

October in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Columbus climate table

1991–2020

Monthly climate averages for Columbus, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	2.2°C-6.1°C	-6.1°C	84	10.7	9.710 h
February	4.4°C-4.7°C	-4.7°C	71	9.4	10.711 h
March	9.7°C-0.2°C	-0.2°C	98	11.2	11.912 h
April	16.6°C5.6°C	5.6°C	115	12.4	13.213 h
May	21.8°C11.6°C	11.6°C	113	13.3	14.414 h
June	26.3°C16.8°C	16.8°C	103	11.9	15.015 h
July	28.3°C19.0°C	19.0°C	88	11.1	14.715 h
August	27.8°C18.3°C	18.3°C	73	9.6	13.714 h
September	24.3°C14.6°C	14.6°C	73	8.3	12.512 h
October, selected	17.5°C8.3°C	8.3°C	74	9.0	11.211 h
November	10.3°C2.1°C	2.1°C	80	9.4	10.010 h
December	4.5°C-2.7°C	-2.7°C	86	10.3	9.49 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

October in nearby cities

Distance from Columbus

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Columbus) is explained once on the Columbus year overview and on the Sources, method and limits page.