Keel Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Keel.
Climate overview of Keel
Keel, Mayo, Ireland, has a moderate seasonal temperature range, with August reaching 18°C (64°F) and February cooling to 10°C (50°F).
Rainfall is high, totalling around 1431 mm (56 in) per year. November is the wettest month and May the driest. The most sunshine falls in May, with an average of 6.4 hours of daily sunshine.
Keel Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Keel - and find the best time to visit.
Monthly Temperature in Keel
In Keel, seasonal changes bring about a moderate variation in temperatures. Average maximum daytime temperatures range from a moderate 18°C (64°F) in August, the warmest time of the year, to a chilly 10°C (50°F) during cooler months like February.
At night, you can expect temperatures ranging from 13°C (55°F) in August to around 6°C (43°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Keel
Keel is known for its substantial rainfall, with annual precipitation reaching 1431 mm (56 in). While rainfall varies throughout the year, each season offers its own charm. November brings wetter days averaging 154 mm (6.1 in) of precipitation, spread over 24 rainy days.
In contrast, the driest month May experiences a drier climate, with about 88 mm (3.5 in) of rainfall spread across 19 rainy days. For more details, please visit our Keel 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 Keel
Seasonal changes in sunshine hours are quite dramatic in Keel. While May receives considerable daily sunshine with up to 6.4 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Keel by Month
The relative humidity is high throughout the year in Keel.
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
Best Time to Visit Keel
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June and August
- Warmest weather: July, August and September
- Most sunshine: May
Frequently asked questions about the climate in Keel
What is the best time to visit Keel?
May, June and August typically offer the most optimal weather in Keel. In contrast, January, February, March, November and December tend to have less optimal conditions.
What temperatures can I expect in Keel?
Daytime highs range from 10°C (50°F) in February to 18°C (64°F) in August. Nighttime lows range from 6°C (43°F) to 13°C (55°F).
How much rain does Keel get?
Annual rainfall is around 1431 mm (56 in). November is the wettest month with 154 mm (6.1 in), while May is the driest with 88 mm (3.5 in).
How sunny is Keel?
Keel receives around 1,309 hours of sunshine per year. May is the sunniest month with 193 hours, while December is the cloudiest with just 40 hours.
Keel 3-Day Forecast
Keel on the map
Keel is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
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