Blarney Weather in March

March in Blarney brings low temperatures around 11°C (52°F) during the day, dropping to 4°C (39°F) at night, with the driest conditions of the year.

Rainfall in Blarney in March

The risk of rain is at its lowest this month, making it a reliable choice for outdoor plans, even if temperatures are on the cooler side. You can expect rain on roughly 18 days based on historical data, averaging 71 mm (2.8 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Blarney in March

Temperatures in Blarney in March top out at 11°C (52°F) and drop to 4°C (39°F) overnight. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights drop to 4°C (39°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Blarney in March

The city usually sees around 105 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Blarney in March

Wind speeds average 6 m/s (12 knots) during March. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in March

The water temperature is only 8°C (46°F) this month — cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.

If you prefer enjoying temperate temperatures and rain-free days, June, July, August and September typically offer 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.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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For a detailed overview over the year and the best time to visit Ireland, check out our Blarney's climate page.

Blarney Temperature in March

Min Temperature 4°C (39°F)  

Max Temperature 11°C (52°F)  

Water Temperature 8°C (46°F) *  

Chance of Rain 60%  

Precipitation 71 mm (2.8 in)  

Rainy days 18 days  

Humidity 75% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 105 hours *  

Percentage Sunshine 28% *  

* Data from: Cork, Ireland (10 KM, 6 Miles).

Daily Historical Temperatures

49-year average (1976-2025)

Based on our historical records, temperatures in Blarney typically stay consistent throughout March, with daily highs averaging around 11°C (52°F). Nights are cold, with lows typically ranging from 3°C (37°F) to 5°C (41°F).

Average temperatures in March

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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

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Historical weather for Blarney in March

Browse day-by-day weather records for Blarney spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Blarney historical weather extremes in March

According to our 32 years of weather records for Blarney, the following extremes were recorded between 1994 and 2026.

• On March 29, 2012, temperatures climbed to 18°C (64°F), marking the warmest March day on record.
• The lowest daytime temperature in March was -2°C (28°F), recorded on March 1, 2018.
• The lowest overnight temperature recorded in March was -7°C (19°F) (March 1, 2018).

What to Wear in Blarney in March

Pack for changing conditions in Blarney in March. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. With water temperatures around 8°C (46°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Blarney in March

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Blarney's climate page.

More climate data for Blarney

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Blarney climate overview or explore weather in Ireland.