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Mayo Weather in May
In Mayo, May brings moderate daytime temperatures around 14°C (57°F), with nights cooling to 2°C (36°F). Some rainfall is to be expected.
Rainfall in Mayo in May
Typically, about 9 days will experience rainfall, with an average of 43 mm (1.7 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Mayo in May
Expect highs of 14°C (57°F) in Mayo in May, with nights dropping to around 2°C (36°F). The difference between afternoon and evening temperatures is usually noticeable. With lows around 2°C (36°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Wind Speed in Mayo in May
Wind speeds average 2 m/s (4 knots) during May. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June and July typically offer the best weather for Mayo.
Mayo Temperature in May
Min Temperature
2°C (36°F)
Max Temperature
14°C (57°F)
Chance of Rain
30%
Precipitation
43 mm (1.7 in)
Rainy days
9 days
Humidity
37%
Windspeed
2 m/s (4 knots)
Mayo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mayo - and find the best time to visit.
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Mayo typically rise from around 12°C (54°F) at the start of May to approximately 18°C (64°F) by the end. Nights are cold, with lows typically ranging from 0°C (32°F) to 6°C (43°F).
Average temperatures in May
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Mayo in May
Browse day-by-day weather records for Mayo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mayo historical weather extremes in May
Based on 50 years of weather observations in Mayo between 1976 and 2026, these are the recorded extremes.
- Mayo recorded its highest May temperature of 33°C (91°F) on May 31, 1983.
- Nighttime temperatures dropped to -13°C (9°F) on May 3, 2002, marking the coldest May night on record.
Best Places in Canada in May
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in May →
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).
What to Wear in Mayo in May
The weather can be unpredictable in May, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket.
What To Do in Mayo in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping5/10 -
Outdoor sports10/10
Mayo 3-Day Forecast
More climate data for Mayo
Temperature Rainfall Humidity Wind Speed
See the full Mayo climate overview or explore weather in Canada.
Popular in May
Where to go in May - average daytime high across popular destinations.
Niagara Falls
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