Howth Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Howth.
Climate overview of Howth
Temperatures in Howth, Ireland, shift moderately through the seasons. The warmest month is August at 19°C (66°F), and the coolest is February at 10°C (50°F).
With around 967 mm (38 in) of annual rainfall, the city has moderate precipitation levels. November is the wettest month and May the driest. May is the sunniest month, averaging 6.3 hours of sunshine per day.
Howth Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Howth — and find the best time to visit.
Monthly Temperature in Howth
In Howth, seasonal changes bring about a moderate variation in temperatures. Typically, average maximum daytime temperatures range from a pleasant 19°C (66°F) in August to a chilly 10°C (50°F) in the coolest month, February.
Nights vary from 13°C (55°F) in August to around 5°C (41°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Howth
Generally, Howth receives mid-range precipitation levels, with 967 mm (38 in) annually. Precipitation levels in Howth remain relatively steady throughout the year. November has the most rain, with 105 mm (4.1 in) over 16 days. In the driest month May, this drops slightly to 65 mm (2.6 in), making the city's climate fairly predictable. For more details, please visit our Howth Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Howth
For those who appreciate different seasons, Howth serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.3 hours of sunshine daily, and embrace the darker days in December, offering only 1.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Howth
The mean water temperature over the year ranges from 8°C (46°F) in March to 15°C (59°F) in August.
Water temperature over the year
Humidity in Howth by Month
The relative humidity is high throughout the year in Howth.
The city experiences its highest humidity in December, reaching 83%. In April, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Howth
The average wind speed over the year ranges from 4 m/s (8 knots) to 6 m/s (12 knots). It is lower in May, June, July, August and September and higher in January, February, March and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Howth
Frequently asked questions about the climate in Howth
What is the best time to visit Howth?
July and August typically offer the most optimal weather in Howth. In contrast, January, February, November and December tend to have less optimal conditions.
What temperatures can I expect in Howth?
Daytime highs range from 10°C (50°F) in February to 19°C (66°F) in August. Nighttime lows range from 5°C (41°F) to 13°C (55°F).
How much rain does Howth get?
Annual rainfall is around 967 mm (38 in). November is the wettest month with 105 mm (4.1 in), while May is the driest with 65 mm (2.6 in).
How sunny is Howth?
Howth receives around 1,432 hours of sunshine per year. May is the sunniest month with 188 hours, while December is the cloudiest with just 51 hours.
Howth 3-Day Forecast
Howth 3-Day Forecast
Howth on the map
Howth is highlighted — select any city to see its climate.
Popular this month
Where to go in June — average daytime high across popular destinations.
Dublin
18°C (64°F) Galway
18°C (64°F) Kilkenny
18°C (64°F) Westport17°C (63°F) Kenmare18°C (64°F) Cork17°C (63°F) Killarney18°C (64°F) Doolin17°C (63°F) 
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