Caernarfon weather in March 2025

Expect 8°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Caernarfon in March. Check more long-term weather averages for Caernarfon in March before you book your next holiday to Wales in 2025/2026.

  • 8°C maximum daytime temperature in March in Caernarfon8
    8°C max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in March in Caernarfon18
    18 days with some rainfall
  • 3°C minimum night-time temperature in March in Caernarfon3
    3°C min night temperature
  • 12 hours of daylight per day in March in Caernarfon12
    12 hours of daylight per day
  • No heat & humidity in March in Caernarfon0
    No heat & humidity
  • 128 mm monthly rainfall in March in Caernarfon128
    128 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in March in Caernarfon2
    2 (Low) UV index
  • 7°C sea temperature in March in Caernarfon7
    7°C sea temperature

More about Caernarfon

Caernarfon by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Wales

Avalon Waterways: Top deals on 2025 river cruises

  • Book early & save on 2025 river cruises with Avalon Waterways
  • Filter deals by promotion, month, destination & more
  • Travel between 1st Jan & 31st Dec 2025 (inclusive)
Go to Avalon Waterways deal >>

Expires at 23:59 on Wednesday 31st Dec 2025 · View all Avalon Waterways offers

The March weather guide for Wales (Caernarfon) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Wales

How warm is it in Caernarfon in March?

Daytime temperatures usually reach 8°C in Caernarfon in March, falling to 3°C at night.

How sunny is it in Caernarfon in March?

There are normally 3 hours of bright sunshine each day in Caernarfon in March - that's 29% of daylight hours.

Is the sea cold around Caernarfon in March?

The average sea temperature around Caernarfon in March is 7°C.

Does it rain in Caernarfon in March?

There are usually 18 days with some rain in Caernarfon in March and the average monthly rainfall is 128mm.

Caernarfon March sunrise & sunset times

Browse the sunrise and sunset times for Caernarfon in March 2025. Select a month to view Caernarfon sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 07:04 17:56
Sunday, 16th March 2025 06:29 18:24
Monday, 31st March 2025 05:53 18:51

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^