Killarney Weather in March
In Killarney, March brings low daytime temperatures around 11°C (52°F), with nights cooling to 3°C (37°F). Expect quite a bit of rainfall this month.
Rainfall in Killarney in March
You can expect rain on around 20 days based on historical patterns, with 97 mm (3.8 in) average for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Killarney in March
Killarney in March gets highs of 11°C (52°F) during the day and drops to 3°C (37°F) at night. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Killarney in March
This month is characterized by fewer sunny days, with about 95 hours of sunshine. It's great for those who appreciate cooler, less sunny days.For Killarney itself, June generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Killarney's climate page.
Killarney Temperature in March
Min Temperature
3°C (37°F)
Max Temperature
11°C (52°F)
Chance of Rain
68%
Precipitation
97 mm (3.8 in)
Rainy days
20 days
Humidity
75% *
Sunshine
95 hours *
Percentage Sunshine
30% *
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Killarney typically stay consistent throughout March, with daily highs averaging around 11°C (52°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 6°C (43°F).
Average temperatures in March
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Killarney in March
Browse day-by-day weather records for Killarney spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Killarney historical weather extremes in March
Based on 32 years of weather observations (1994-2026), these are the most extreme conditions recorded in Killarney.
- On March 25, 2017, temperatures climbed to 19°C (66°F), marking the warmest March day on record.
- The lowest daytime temperature in March was -1°C (30°F), recorded on March 1, 2018.
- The coldest night in March in Killarney was on March 1, 2018, with a minimum of -6°C (21°F).
Best Places in Ireland in March
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in March →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Killarney in March
The weather can swing between comfortable and chilly in March, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Killarney in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Killarney's climate page.
Temperature Rainfall Sunshine Humidity
See the full Killarney climate overview or explore weather in Ireland.
