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Dublin Monthly Climate Averages
Dublin is located in oceanic climate that can be described as high humidity and moderate seasonal temperature fluctuations warm summer and soft but windy winter.
To help you choose the best time to travel, you can find climate data below on the weather in Dublin .
Month | t°C day |
t°C night |
mm rain |
daylight |
January | +8.8 | +3.9 | 63 | 8.9h |
February | +8.9 | +3.9 | 46 | 10.5h |
March | +10.7 | +5.2 | 52 | 12.5h |
April | +12.4 | +6.4 | 50 | 14.7h |
May | +15.2 | +9 | 58 | 16.7h |
June | +18 | +11.6 | 59 | 17.8h |
July | +20.2 | +13.5 | 51 | 17.2h |
August | +19.6 | +13.3 | 65 | 15.4h |
September | +17.3 | +11.4 | 57 | 13.2h |
October | +14 | +8.8 | 76 | 11.1h |
November | +11 | +6.2 | 69 | 9.3h |
December | +9.3 | +4.5 | 69 | 8.3h |
Best time with the soft weather for the sightseeing and long walks in Dublin are June, July, August.
Temperature in Dublin
The table shows that the hottest months in Dublin are July and August, during which the average daytime temperature reaches +20.2°C and the nighttime temperature falls to +13.5°C.
The coldest months are January and February, when the daily average temperature falls to +8.8°C, and drops to +3.9°C during the night.
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Sea temperature
The month with the highest average monthly temperature in Dublin Bay of the Irish Sea on the beaches of Dublin is September with 14.9 degrees.
The coldest water can be found in March — 8.4degrees C.
Precipitation
The largest amount of precipitation falls on average in October and November, up to 76mm, and the least in February and April — up to 46mm.