Arklow Weather and Climate: A Comprehensive Guide
The weather in Arklow sees moderate temperature fluctuations over the course of a year.
Temperatures can be pleasant at the high end
to roughly cold at the low end.
It also experiences much rainfall throughout the year.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
In Arklow, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a pleasant 19°C in July. In February, the coolest month of the year, temperatures drop to a chilly 9°C.
At night, you can expect cooler temperatures, with averages dropping to around 4°C during this month.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Arklow experiences significant rainfall throughout the year, averaging 1001 mm of precipitation annually. Despite minor fluctuations, Arklow enjoys fairly consistent precipitation throughout the year. In November, you can expect around 108 mm of precipitation, while in March, Arklow receives about 68 mm.
The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Arklow can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 7.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.8 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Arklow.
The city experiences its highest humidity in December, reaching 82%. In April, the humidity drops to its lowest level at 76%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Arklow
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Arklow in Ireland
Other facts from our historical weather data:July has an average maximum temperature of 19°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 9°C.
November tops the wettest month list with 108 mm of rainfall.
March is the driest month with 68 mm of precipitation.
May is the sunniest month with an average of 213 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.