Killala Weather & Climate: Best Time to Visit

The climate in Killala, Mayo, Ireland, sees a moderate range of temperatures across the year, from 18°C (64°F) in August down to 9°C (48°F) in February.

The city has a wet climate, receiving around 1429 mm (56 in) of rainfall per year. November is the wettest month. Sunshine peaks in May, when the city sees around 6.4 hours of sunshine per day.

Monthly Temperature in Killala

In Killala, seasonal changes bring about a moderate variation in temperatures. On average, daytime temperatures range from a moderate 18°C (64°F) in August to a chilly 9°C (48°F) in February.

Nighttime temperatures range from 13°C (55°F) in August to 5°C (41°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Killala

Killala experiences significant rainfall throughout the year, averaging 1429 mm (56 in) of precipitation annually. The wettest period in Killala occurs in November, which receives around 147 mm (5.8 in) of precipitation. During the driest month, April, Killala experiences moderate rainfall, totaling 96 mm (3.8 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Killala 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 Killala

In Killala, summer days are longer and more sunny, with daily sunshine hours peaking at 6.4 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.3 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Belmullet, Ireland (50 KM, 31 Miles).

Daily hours of sunshine

Data from: Belmullet, Ireland (50 KM, 31 Miles).

Daily percentage of sunshine

Data from: Belmullet, Ireland (50 KM, 31 Miles).

Humidity in Killala by Month

The relative humidity is high throughout the year in Killala.

The city experiences its highest humidity in December, reaching 83%. In April, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

Data from: Belmullet, Ireland (50 KM, 31 Miles).

Killala 3-Day Forecast

10-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Killala

The best time to visit Killala is during June, July, August and September, when the weather provides comfortable temperatures between 16°C (61°F) and 18°C (64°F). With rainfall of 104 mm (4.1 in) to 118 mm (4.6 in), you can expect pleasant weather during your visit in these months.

Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.