Westport

Mayo Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Mayo, Ireland in May.

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Westport Cong Castlebar Ballina

Are you planning a trip a to Mayo, Ireland in May and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Mayo in May

Mayo, Ireland is a region in Ireland. May in Mayo generally has mild temperatures, with precipitation levels ranging from moderate to high.

Temperatures

The average maximum temperatures are mild and range 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.

To explore the conditions in Mayo, Ireland in more detail, check the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Belmullet with an average of 84 mm (3.3 in) to high rainfall in Louisburgh with 104 mm (4.1 in).

Average sunshine

Sunshine is fairly consistent across many areas. Westport receives about 157 hours of sunlight in May, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore Mayo by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Mayo in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Mayo.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Mayo

What is the weather like in May for some of the most popular destinations in Mayo, Ireland?

Temperature range in Mayo (May)

Precipitation variation in Mayo (May)

Westport

In May Westport generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
13°C (55°F)
16°C (61°F)
17°C (63°F)
Min temperature
5°C (41°F)
8°C (46°F)
10°C (50°F)
Monthly sun hours
132 hours
157 hours
139 hours
Monthly rainfall
93 mm (3.7 in)
98 mm (3.9 in)
98 mm (3.9 in)
Monthly rainy days
18 days
19 days
17 days
Weather conditions
unpleasant
tolerable
tolerable
Climate in Westport →

Cong

In May Cong generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
13°C (55°F)
16°C (61°F)
18°C (64°F)
Min temperature
5°C (41°F)
8°C (46°F)
10°C (50°F)
Monthly sun hours
132 hours
157 hours
139 hours
Monthly rainfall
95 mm (3.7 in)
99 mm (3.9 in)
100 mm (3.9 in)
Monthly rainy days
17 days
18 days
17 days
Weather conditions
unpleasant
tolerable
tolerable
Climate in Cong →

Castlebar

In May Castlebar generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
13°C (55°F)
16°C (61°F)
18°C (64°F)
Min temperature
5°C (41°F)
8°C (46°F)
10°C (50°F)
Monthly sun hours
132 hours
157 hours
139 hours
Monthly rainfall
90 mm (3.5 in)
94 mm (3.7 in)
96 mm (3.8 in)
Monthly rainy days
17 days
19 days
17 days
Weather conditions
unpleasant
tolerable
pleasant
Climate in Castlebar →

Ballina

In May Ballina generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
13°C (55°F)
15°C (59°F)
17°C (63°F)
Min temperature
6°C (43°F)
8°C (46°F)
10°C (50°F)
Monthly sun hours
132 hours
157 hours
139 hours
Monthly rainfall
93 mm (3.7 in)
97 mm (3.8 in)
103 mm (4.1 in)
Monthly rainy days
17 days
19 days
17 days
Weather conditions
unpleasant
tolerable
unpleasant
Climate in Ballina →

Belmullet

In May Belmullet generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
12°C (54°F)
14°C (57°F)
16°C (61°F)
Min temperature
7°C (45°F)
9°C (48°F)
11°C (52°F)
Monthly sun hours
158 hours
193 hours
161 hours
Monthly rainfall
90 mm (3.5 in)
84 mm (3.3 in)
88 mm (3.5 in)
Monthly rainy days
18 days
19 days
18 days
Weather conditions
unpleasant
tolerable
tolerable
Climate in Belmullet →

Is your destination not in the list? Have a look at all destinations in Mayo, in Ireland.

Popular cities in May

Day & night temperatures, rainfall and average weather in Mayo in May.

City Weather Day temp Night temp Rainfall
Westport 16°C (61°F) 8°C (46°F) 98 mm (3.9 in)
Cong 16°C (61°F) 8°C (46°F) 99 mm (3.9 in)
Castlebar 16°C (61°F) 8°C (46°F) 94 mm (3.7 in)
Ballina 15°C (59°F) 8°C (46°F) 97 mm (3.8 in)
Belmullet 14°C (57°F) 9°C (48°F) 84 mm (3.3 in)
Keel 14°C (57°F) 9°C (48°F) 88 mm (3.5 in)

Mayo weather in May: frequently asked questions

What is the weather like in Mayo, Ireland in May?

Expect tolerable weather across Mayo, Ireland in May. The popular destination of Westport averages 16°C (61°F) by day and 8°C (46°F) at night during this month.

What is the average temperature in Mayo, Ireland in May?

Average temperatures in Mayo, Ireland during May range from a nighttime low near 8°C (46°F) to a daytime high around 16°C (61°F) in Westport.

Does Mayo, Ireland get a lot of rain in May?

Not particularly. Westport averages just 98 mm (3.9 in) of rain in May, making it a mostly dry month for Mayo, Ireland.

Is May a Good Time to Visit Mayo, Ireland?

We believe that May is one of the best times to visit Mayo, Ireland with overall tolerable weather in Westport.

On average, the best time to visit Mayo, Ireland is in May, June, July and August with generally tolerable weather in Westport. The weather in January, February, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Mayo.

Weather and climate has detailed information for every country in the world. Are you going to Ireland? Get detailed historical weather averages for many cities in Ireland.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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