Sun, sea & sand

Penzance weather in March

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

11

Holiday weather in March

Poor

Best time to visit: April – August

What is the weather like in Penzance in March?

In March, Penzance is cool: daytime highs average 10 °C, and nights cool down to about 7 °C. The sea averages 9.8 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 67 mm in total. It is often windy, with gusts of around 35 km/h. All in all, March is not an ideal month for a holiday in Penzance.

March compared

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

FebruaryFebMarchMarAprilApr
Score81121
Day9°10°12°
Night7°7°8°
Sea10°10°10°
Sun3 h4 h6 h
Rain days121311

More details for March

Daylight
11 h 47 min06:38 – 18:25
UV index
3 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
35 km/haverage daily peakAll months
Cloud cover
68 %on averageAll months
Hot days
0 days30 °C or more
Time zone
UTC+0Europe/London

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %17 %
  • Few rainy daysweight 20 %39 %

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

What to pack in March

  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella
  • Windproof jacket

Penzance in March: quick answers

Is Penzance hot in March?

No. In March, Penzance is cool: daytime highs average 10 °C and nights drop to about 7 °C.

Can you swim in Penzance in March?

Only if you don't mind cold water: in March the sea averages just 9.8 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Penzance in March?

Rain is frequent, with about 13 rainy days and 67 mm in total.

Penzance 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