SeasonMapKillarney weather in March
Ireland
March in Killarney: cold, rainy, with clean air — a great time to visit.
#8 of 12 months in Killarney · #789 of 1383 destinations to visit in March · comfort 73/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Killarney in March
Other months in Killarney
Killarney's forum is candid that July weather is genuinely a grab bag — cold, rainy, calm, warm and windy have all been reported in the same month, with wetter conditions than spring and true heatwaves rare. Regulars' consistent advice is layers plus a proper rain jacket, noting July is also the single busiest month locally so accommodation books up fast regardless of forecast.
Add your own note from Killarney's card on the map.
Killarney climate normals — March
| Daytime high | 10°C / 51°F | 🧥 cold |
|---|---|---|
| Nighttime low | 4°C / 40°F | |
| Feels like (high) | 7°C / 45°F | |
| Sea temperature | 8°C / 47°F | 🥶 cold sea |
| Rainfall | 116 mm / 4.6 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | 5°C / 40°F | |
| Sunshine | 7 h/day | |
| Daylight | 11.9 h | |
| Wind | 20 km/h / 13 mph | |
| Snowfall | 3.6 cm / 1.4 in | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Killarney in March
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyEaster break in Ireland, school holidays in 4 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Killarney's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherKillarney's weather peaks May–July.
Best weatherFair weatherToughest weather
Nearby, and something's on
Within 300 km of Killarney — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Killarney?
Killarney in March — FAQ
- Is March a good time to visit Killarney?
- March in Killarney: cold, rainy, with clean air — a great time to visit. It ranks #8 of 12 months for Killarney on SeasonMap's comfort score (73/100).
- What is the weather like in Killarney in March?
- In March, Killarney averages a daily high of 10.4°C and a low of 4.3°C, with about 115.6 mm of rain over roughly 16.6 rainy days.
- What is the air quality in Killarney in March?
- Killarney has a mean US Air Quality Index of about 38 in March.
- Does it snow in Killarney in March?
- Killarney sees roughly 3.6 cm of snowfall in March.
Other months in Killarney
Compare Killarney in March
Warmer or cooler than Killarney in March
Similar destinations in Northern Europe — March
Within 300 km: Dublin's St Patrick's Festival on 14–17 Mar.