Caernarfon weather in March 2026

Expect daytime maximum temperatures of 46°F in Caernarfon, Wales in March based on long-term weather averages. There are 3 hours of sunshine per day on average with 18 days with some rainfall and typically 5.0 inches of rainfall in the month.

  • 46°F maximum daytime temperature in March in Caernarfon46
    46°F max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in March in Caernarfon18
    18 days with some rainfall
  • 37°F minimum night-time temperature in March in Caernarfon37
    37°F 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
  • 5.0 inches monthly rainfall in March in Caernarfon5.0
    5.0 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in March in Caernarfon2
    2 (Low) UV index
  • 45°F sea temperature in March in Caernarfon45
    45°F sea temperature

More about Caernarfon

Caernarfon by month

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

Recommended for Wales

Warner Hotels: Last minute stayswith free upgrades

  • Enjoy FREE upgrades on last minte breaks in 2025
  • Book 2, 3 & 4 night breaks at selected hotels
  • Filter deals by hotel, length of stay & check in day
Go to Warner Hotels deal >>

View all Warner Hotels 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)  |  Imperial (°F)

Back to top

More about Wales

How warm is it in Caernarfon in March?

Daytime temperatures usually reach 46°F in Caernarfon in March, falling to 37°F 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.

How warm is the sea around Caernarfon in March?

The average sea temperature around Caernarfon in March is 45°F.

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 5.0 inches.

Caernarfon March sunrise & sunset times

Browse the sunrise and sunset times for Caernarfon in March 2026. Select a month to view Caernarfon sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st March 2026 07:04 17:55
Monday, 16th March 2026 06:29 18:23
Tuesday, 31st March 2026 05:53 18:50

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^