Best Time to Visit County Mayo
Best time to visit County Mayo: July. Month-by-month temperature, rainfall and crowd guidance.
Best time to visit County Mayo
Go in July. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
Climate in County Mayo month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 45° | 37° | 4,8 in | ★★☆☆☆ |
| February | 48° | 40° | 4,8 in | ★★★☆☆ |
| March | 51° | 40° | 3,9 in | ★★★☆☆ |
| April | 55° | 43° | 4,7 in | ★★★☆☆ |
| May | 61° | 48° | 3,0 in | ★★★★☆ |
| June | 62° | 51° | 5,2 in | ★★★★☆ |
| July | 65° | 54° | 2,8 in | ★★★★☆ |
| August | 65° | 55° | 4,4 in | ★★★★☆ |
| September | 61° | 51° | 4,3 in | ★★★★☆ |
| October | 56° | 48° | 6,3 in | ★★★☆☆ |
| November | 51° | 43° | 5,4 in | ★★★☆☆ |
| December | 48° | 41° | 6,1 in | ★★☆☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
How County Mayo compares with nearby places
Annual averages, and the difference against County Mayo.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Galway | 38 mi | 52°F | +33°F warmer | 55 in |
| County Galway | 38 mi | 52°F | +33°F warmer | 55 in |
| County Roscommon | 42 mi | 50°F | about the same | 47 in |
| Sligo | 47 mi | 50°F | 33°F cooler | 66 in |
| County Sligo | 47 mi | 50°F | 33°F cooler | 66 in |
Best time to visit each city in County Mayo
1 cities mapped in this atlas
What to pack, what to skip
- Layers - the daily swing is 57°F, so mornings feel nothing like afternoons
- A packable rain shell - 5 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
County Mayo is a county in Ireland. County Mayo is a county in Ireland. It has a population of about 138.000.
Right now it is 55°F (13°C) in County Mayo with overcast. It feels like 54°F. Today runs from 49°F to 64°F. Chance of precipitation is 0%. Sightseeing conditions score 9.4/10 - excellent - go now.
The best time to visit County Mayo is July. The climate is temperate. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 65°F, while January is the coldest with lows near 37°F.
The closest major airport is Dublin Airport (DUB), about 127 mi away. Nearby highlights include Snowdonia National Park.
In plain terms. Today is about average for August. The forecast high of 64°F is in line with the 65°F typical for this month. The best window to be outside is roughly 5 PM to 8 PM, when temperature, rain chance and wind line up best. hiking is the strongest bet in County Mayo today at 9.8/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in County Mayo right now
Source: Open-Meteo. Updated 1:58 AM, Aug 23 local time.
Weekend outlook
☁️ 64° / 49°
Overcast · 0% rain · wind 6 mph
🌦️ 65° / 58°
Light drizzle · 54% rain · wind 12 mph
Things to do in County Mayo
Attractions, parks and landmarks in and around County Mayo.
Quick facts about County Mayo
Explore County Mayo
Every topic we hold for this place, and the same topic for the places around it.
Best Time to Visit for related places
Frequently asked questions
Where is County Mayo?
County Mayo is a county in Ireland. Its coordinates are 53.8008, -9.3. It lies in Europe.
What is the weather like in County Mayo right now?
It is currently 55°F (13°C) with overcast. Humidity is 90% and wind is 3 mph.
When is the best time to visit County Mayo?
July offer the most comfortable conditions in County Mayo, which has a temperate climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is County Mayo in?
County Mayo observes Europe/Dublin (UTC+01:00). The local time is 1:58 AM.
How many people live in County Mayo?
County Mayo has a population of approximately 138.000.
What is the nearest airport to County Mayo?
The closest airports are Dublin Airport (DUB), 127 mi away.
What are the top things to do in County Mayo?
Popular options include Snowdonia National Park.
What places are in County Mayo?
County Mayo covers 1 places in this atlas, including Westport.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (ie-counties) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 23, 2026 at 1:58 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
