Dalkey Weather in March
March in Dalkey brings low temperatures, with highs of 10°C (50°F) and nights dropping to 5°C (41°F). It's also the driest month of the year, ideal for those who want to avoid rain.
Rainfall in Dalkey in March
March is the month with the least rainfall. Whether you're keen on hiking, city exploring, or just enjoying a walk, this month provides a reliably dry backdrop for all your plans, even if it's not the warmest time of year. Typically, about 16 days will experience rainfall, with an average of 67 mm (2.6 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Dalkey in March
March in Dalkey brings low temperatures, with highs of 10°C (50°F) and nights around 5°C (41°F). Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights drop to 5°C (41°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Dalkey in March
You can expect a moderate amount of sunlight, with approximately 110 hours. This means a pleasant mix of sun and overcast.
Wind Speed in Dalkey in March
March sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.
Average water temperature in March
At 8°C (46°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.March in Dalkey has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Dalkey's climate page.
Dalkey Temperature in March
Min Temperature
5°C (41°F)
Max Temperature
10°C (50°F)
Water Temperature
8°C (46°F) *
Chance of Rain
53%
Precipitation
67 mm (2.6 in)
Rainy days
16 days
Humidity
71% *
Windspeed
6 m/s (12 knots) *
Sunshine
110 hours *
Percentage Sunshine
30% *
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Dalkey typically stay consistent throughout March, with daily highs averaging around 10°C (50°F). Nights are cold, with lows typically ranging from 2°C (36°F) to 5°C (41°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 Dalkey in March
Browse day-by-day weather records for Dalkey spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Dalkey historical weather extremes in March
Based on 32 years of weather observations (1994-2026), these are the most extreme conditions recorded in Dalkey.
- Dalkey recorded its highest March temperature of 19°C (66°F) on March 28, 2012.
- Dalkey experienced its chilliest March day on March 1, 2018, reaching only -1°C (30°F).
- The coldest night in March in Dalkey was on March 1, 2001, with a minimum of -7°C (19°F).
- The wettest day in March Dalkey was on March 9, 2025 with 42 mm (1.7 in) of precipitation.
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 Dalkey 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. Wet weather is likely, so pack waterproof gear for multiple rainy days. The water temperature sits at about 8°C (46°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Dalkey 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 Dalkey's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Dalkey climate overview or explore weather in Ireland.
