Daytime highs, nighttime lows and the warmest cities in Mayo, Ireland this May.
Mayo, Ireland, a region in Ireland, experiences moderate average maximum daytime temperatures in May, ranging from 14°C (57°F) in Belmullet to 16°C (61°F) in Cong. Nighttime temperatures generally drop to 8°C (46°F) in Cong and 9°C (48°F) in Belmullet.
Explore the map below to discover average May temperatures at the top destinations in Mayo. For a deeper dive, simply click on any destination dot.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Mayo.
Marker color shows the average daytime high temperature in May: blue is cold, red is hot.
Westport averages a daytime high of 16°C (61°F) in May, which is moderate for Mayo, Ireland.
Westport sees nighttime lows close to 8°C (46°F) in May.
According to our recent database analysis, Cong is the warmest city. It experiences an average maximum daytime temperature of approximately 16°C (61°F) and rarely drops below 8°C (46°F) during the night.
When looking through our records, we find that Belmullet stands out as the coolest city in Mayo, Ireland for the month of May. Daytime highs average 14°C (57°F) and it cools down to about 9°C (48°F) at night.
Across Mayo, Ireland, sunshine in May ranges from moderately sunny in Claremorris (157 hours) to sunny in Belmullet (193 hours).
The water temperature averages approximately 11°C (52°F) in Belmullet this month, generally too cold for comfortable swimming.
We have much more information about the climate in Mayo.
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