Sun, sea & sand

Derry weather in March

Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.

6

Holiday weather in March

Poor

Best time to visit: April – June

What is the weather like in Derry in March?

In March, Derry is cold: daytime highs average 9 °C, and nights cool down to about 4 °C. The sea averages 8.4 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. It rains often – on about 15 days, adding up to 69 mm. It is often windy, with gusts of around 29 km/h. All in all, March is not an ideal month for a holiday in Derry.

March compared

How the weather changes from February to April. Tap a month to open it.

FebruaryFebMarchMarAprilApr
Score3612
Day8°9°11°
Night3°4°5°
Sea8°8°9°
Sun2 h3 h5 h
Rain days161515

More details for March

Daylight
11 h 44 min06:47 – 18:31
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
29 km/haverage daily peakAll months
Cloud cover
76 %on averageAll months
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+0Europe/London

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %5 %
  • Few rainy daysweight 20 %23 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in March

  • Warm jacket
  • Rain jacket or umbrella
  • Windproof jacket

Derry in March: quick answers

Is Derry hot in March?

No. In March, Derry is cold: daytime highs average 9 °C and nights drop to about 4 °C.

Can you swim in Derry in March?

Only if you don't mind cold water: in March the sea averages just 8.4 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Derry in March?

It rains often – on about 15 days, adding up to 69 mm.

Derry month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences