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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 max day temperature
46
- 3 hours of sunshine per day
- 18 days with some rainfall
18
- 37°F min night temperature
37
- 12 hours of daylight per day
12
- No heat & humidity
0
- 5.0 inches of monthly rainfall
5.0
- 2 (Low) UV index
2
- 45°F sea temperature
45
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Recommended for Wales
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)
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 |
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