January receives the coldest temperatures of the year with an average high temperature of 45°F (7°C) and an average low temperature of 37°F (3°C).
In February, the high and low temperatures remain the same, tying this month with January as one of the coldest months of the year.
Dublin Weather in March: The average high temperature for March increases a handful to 50°F (10°C). Low temperature averages also get a small bump up to 39°F (4°C). Unless you’re a fan of very cold swims, avoid trips to the beach this month as the sea temperatures average at 50°F (8°C).
In April, the average high temperature and average low temperature both increase slightly to 52°F (11°C) and 41°F (5°C) respectively.
May receives 6 hours of sunshine a day, the most daily sunshine in Dublin for the whole year. The sunnier days are matched by warmer temperatures. The high temperature is 59°F (15°C) while the low temperature is 45°F (7°C).
Dublin Weather in June: It’s a cool summer in Dublin as June rolls around with an average high temperature of 63°F (17°C). Low temperatures are 50°F (10°C).
July is the warmest month of the year in Dublin as well as the driest. The precipitation average barely exceeds 50mm. Meanwhile, the average high temperature and average low temperatures measure in at 66°F (19°C) and 54°F (12°C) respectively.
In August, the high and low temperatures hold steady at 66°F (19°C) and 54°F (12°C). August is also the wettest month of the year with precipitation averaging 80mm. Meanwhile, this month is the best time to hit the beach with sea temperatures at 59°F (15°C).
Dublin Weather in September: Daily sunshine averages at 4 hours in September. The high temperature averages at 63°F (17°C). Meanwhile, the average low temperature hovers at 50°F (10°C).
In October, the average high temperature decreases significantly to 55°F (13°C). Low temperature averages decrease a handful to 46°F (8°C).
November sees a healthy amount of rain with a precipitation rate of 60mm. The average high temperature and average low temperatures range between 50°F (10°C) and 41°F (5°C).
Dublin Weather in December: Days are generally dark in Dublin in December as it receives the least daily sunshine at roughly 1 hour per day. While the low temperature averages remain the same at 41°F (5°C), the high temperature averages sink to 50°F (10°C).
If you’re in Dublin to enjoy the best of the festivals, it’s best to plan your visit within the summer months of June through August. Festivals fill the streets of the city and the locals come alive in jovial merrymaking. Budget travelers searching for the best deals in Dublin should come during the winter season and bring their heaviest coats with them. Prices for hotels are at the lowest in January, so those who really want to save as much as possible should visit then. For the best temperatures, crowds and prices, come in March or November.
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