Westport

Mayo Weather in July

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

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Westport Cong Castlebar Ballina

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

What to Expect in Mayo in July

Mayo, Ireland is a region in Ireland. July in Mayo generally has temperatures that range from mild to pleasant, with precipitation levels ranging from moderate to high. July is a summer month.

Temperatures

The average highest temperatures fluctuate between mild in Belmullet at 17°C (63°F) to pleasant in Claremorris at 19°C (66°F). Nighttime temperatures generally drop to 12°C (54°F) in Claremorris and 13°C (55°F) in Belmullet. On average, July is the month with the highest temperature of the year in Mayo, Ireland.

To learn more about the conditions in specific areas of Mayo, Ireland, check out the map below.

Precipitation

In July, precipitation varies across different areas. From moderate rainfall in Belmullet with an average of 97 mm (3.8 in) to high rainfall in Louisburgh with 118 mm (4.6 in).

Average sunshine

Most areas see decent amounts of sunshine this month. Westport gets around 118 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

Explore Mayo by month

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

Best Places to Visit in Mayo in July

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 July for some of the most popular destinations in Mayo, Ireland?

Temperature range in Mayo (July)

Precipitation variation in Mayo (July)

Westport

In July Westport generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« June
July
August »
June
July
August
Max temperature
17°C (63°F)
19°C (66°F)
19°C (66°F)
Min temperature
10°C (50°F)
12°C (54°F)
12°C (54°F)
Monthly sun hours
139 hours
118 hours
118 hours
Monthly rainfall
98 mm (3.9 in)
109 mm (4.3 in)
112 mm (4.4 in)
Monthly rainy days
17 days
17 days
21 days
Weather conditions
tolerable
tolerable
tolerable
Climate in Westport →

Cong

In July Cong generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« June
July
August »
June
July
August
Max temperature
18°C (64°F)
19°C (66°F)
19°C (66°F)
Min temperature
10°C (50°F)
12°C (54°F)
11°C (52°F)
Monthly sun hours
139 hours
118 hours
118 hours
Monthly rainfall
100 mm (3.9 in)
108 mm (4.3 in)
110 mm (4.3 in)
Monthly rainy days
17 days
17 days
20 days
Weather conditions
tolerable
tolerable
tolerable
Climate in Cong →

Castlebar

In July Castlebar generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« June
July
August »
June
July
August
Max temperature
18°C (64°F)
19°C (66°F)
19°C (66°F)
Min temperature
10°C (50°F)
12°C (54°F)
12°C (54°F)
Monthly sun hours
139 hours
118 hours
118 hours
Monthly rainfall
96 mm (3.8 in)
105 mm (4.1 in)
107 mm (4.2 in)
Monthly rainy days
17 days
17 days
20 days
Weather conditions
pleasant
tolerable
tolerable
Climate in Castlebar →

Ballina

In July Ballina generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« June
July
August »
June
July
August
Max temperature
17°C (63°F)
18°C (64°F)
18°C (64°F)
Min temperature
10°C (50°F)
12°C (54°F)
12°C (54°F)
Monthly sun hours
139 hours
118 hours
118 hours
Monthly rainfall
103 mm (4.1 in)
113 mm (4.4 in)
115 mm (4.5 in)
Monthly rainy days
17 days
18 days
20 days
Weather conditions
unpleasant
tolerable
tolerable
Climate in Ballina →

Belmullet

In July Belmullet generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

« June
July
August »
June
July
August
Max temperature
16°C (61°F)
17°C (63°F)
18°C (64°F)
Min temperature
11°C (52°F)
13°C (55°F)
13°C (55°F)
Monthly sun hours
161 hours
140 hours
142 hours
Monthly rainfall
88 mm (3.5 in)
97 mm (3.8 in)
109 mm (4.3 in)
Monthly rainy days
18 days
18 days
21 days
Weather conditions
tolerable
tolerable
tolerable
Climate in Belmullet →

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

In our records: Ireland July extremes

Notable July records observed across cities in Ireland in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest July day in Ireland brought 366 mm (14 in) in Lahinch on July 11, 2001.

Popular cities in July

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

City Weather Day temp Night temp Rainfall
Westport 19°C (66°F) 12°C (54°F) 109 mm (4.3 in)
Cong 19°C (66°F) 12°C (54°F) 108 mm (4.3 in)
Castlebar 19°C (66°F) 12°C (54°F) 105 mm (4.1 in)
Ballina 18°C (64°F) 12°C (54°F) 113 mm (4.4 in)
Belmullet 17°C (63°F) 13°C (55°F) 97 mm (3.8 in)
Keel 17°C (63°F) 13°C (55°F) 102 mm (4 in)

Mayo weather in July: frequently asked questions

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

Expect tolerable weather across Mayo, Ireland in July. The popular destination of Westport averages 19°C (66°F) by day and 12°C (54°F) at night during this summer month.

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

In Westport, the average daytime high in July is 19°C (66°F), while nighttime temperatures drop to around 12°C (54°F).

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

Mayo, Ireland sees substantial rainfall in July. Westport typically averages about 109 mm (4.3 in), a mix of wet and dry days, but bring an umbrella.

Is July a Good Time to Visit Mayo, Ireland?

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

Generally speaking, the best visiting conditions can be found in May, June, July and August offering mostly 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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