Climate averages 1991–2020

Cork weather
in July.

A mild, moderately wet month: the warmest and the joint 5th driest of the year.

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

Average high 18.7°C Daytime mean, July

Average low 13.2°C Night-time mean, July

Rainfall 67 mm 12 days with ≥1 mm

Daylight 16 h Sunrise to sunset, per day

July is a mild month in Cork: daytime highs average 18.7°C and nights cool to about 13.2°C. By daytime temperature it is the warmest month of the year.

Expect about 67 mm of rain on roughly 12 days, which makes July a moderately wet month (the joint 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 16 h 12 min on an average July day.

The nearest other city in this atlas is Limerick (86 km away). In July its highs average 18.7°C, about as warm as Cork, with 83 mm of rain.

Among the 5 cities listed in Ireland, Cork ranks joint 2nd of 5 for the warmest July highs and 1st of 5 for the driest July (rainfall, lowest first). The mean July high of those 5 cities is 18.6°C; Cork is 0.1°C warmer than that mean.

From July to August, average highs fall by 0.2°C to 18.5°C, and monthly rainfall rises from 67 mm to 69 mm.

The annual picture

July 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

Cork climate table

1991–2020

Monthly climate averages for Cork, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	8.7°C4.7°C	4.7°C	79	13.0	8.38 h
February	8.9°C4.4°C	4.4°C	65	11.2	9.910 h
March	10.2°C5.0°C	5.0°C	62	11.8	11.812 h
April	12.2°C6.3°C	6.3°C	68	12.6	13.914 h
May	14.7°C8.8°C	8.8°C	67	13.0	15.616 h
June	17.2°C11.4°C	11.4°C	64	10.9	16.617 h
July, selected	18.7°C13.2°C	13.2°C	67	11.8	16.216 h
August	18.5°C13.1°C	13.1°C	69	11.6	14.715 h
September	16.7°C11.7°C	11.7°C	64	10.0	12.713 h
October	13.7°C9.4°C	9.4°C	85	12.4	10.711 h
November	10.8°C6.7°C	6.7°C	80	12.0	8.99 h
December	9.1°C5.3°C	5.3°C	84	12.7	7.98 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

July in nearby cities

Distance from Cork

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 Cork) is explained once on the Cork year overview and on the Sources, method and limits page.