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Dundalk Monthly Climate Averages
Dundalk 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 Dundalk .
Month | t°C day |
t°C night |
mm rain |
daylight |
January | +8.2 | +3.2 | 105 | 8.8h |
February | +8.6 | +3 | 66 | 10.5h |
March | +10.1 | +4.3 | 85 | 12.5h |
April | +12.3 | +5.7 | 76 | 14.8h |
May | +15.5 | +7.6 | 71 | 16.8h |
June | +17.7 | +10.4 | 72 | 18h |
July | +19.5 | +12.4 | 69 | 17.3h |
August | +19.7 | +11.8 | 87 | 15.4h |
September | +17 | +11.1 | 83 | 13.2h |
October | +14.2 | +8.1 | 104 | 11.1h |
November | +10.8 | +5.6 | 106 | 9.2h |
December | +8.7 | +3.9 | 112 | 8.2h |
Best time with the soft weather for the sightseeing and long walks in Dundalk are July, August.
Temperature in Dundalk
The table shows that the hottest months in Dundalk are August and July, during which the average daytime temperature reaches +19.7°C and the nighttime temperature falls to +11.8°C.
The coldest months are January and February, when the daily average temperature falls to +8.2°C, and drops to +3.2°C during the night.
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Sea temperature
The month with the highest average monthly temperature in Dundalk Bay of the Irish Sea on the beaches of Dundalk is September with 14.7 degrees.
The coldest water can be found in March — 8.4degrees C.
Precipitation
The largest amount of precipitation falls on average in December and November, up to 112mm, and the least in February and July — up to 66mm.