Climate of Caernarfon

Caernarfon has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Caernarfon is 12° degrees and there is about 629 mm of rain in a year. It is dry for 94 days a year with an average humidity of 84% and an UV-index of 3.

Climate averages for the whole year

Day: the average daily temperature during the day is between 7°C and 17°C
Night:the average nighttime temperature is between 4°C and 13°C
Rain: it rains 229 days and there is a total of approximately 630 mm rainfall
Snow: it snows an average of 8 days per year
Sun hours: throughout the year there are 2127 sun hours

Maximum temperature:	between 7°C and 17°C
Warmest month:	17°C in July
Coldest month:	7°C in January
Night temperature:	between 4°C and 13°C
Dry days:	128 days
Days with rain:	229 days
Days with snow:	8 days
Total rain sum:	630 mm
Hours of sunshine:	2127 hours

Climate of Caernarfon
Temperature graph
Precipitation graph
Climate chart of Caernarfon
The best travel time for Caernarfon
Climate of Caernarfon by month
Experiences with the weather of Caernarfon

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These are the travel companies where you can book a trip to Caernarfon:

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Caernarfon.

Precipitation graph

This graph shows the average amount of rainfall per month for Caernarfon.

Climate table of Caernarfon

In this climate table you can see at a glance what the average weather per month is for Caernarfon. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Caernarfon might be like in a given month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day temp. (°C)	7	7	8	10	13	15	17	16	15	13	10	8
Night temp. (°C)	5	4	5	6	9	11	13	13	12	10	8	6
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (mm)	60	46	56	28	36	34	45	49	48	68	81	79
Days with rain	21	17	17	16	16	15	20	23	19	20	22	23
Days with snow	2	3	1	-	-	-	-	-	-	-	-	2
Dry days	8	8	13	14	15	15	11	8	11	11	8	6
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sun hours per day	4	4	6	8	8	8	8	7	6	4	4	3
Wind force (Bft)	4	4	4	3	3	3	3	3	3	4	4	4
UV-index	2	2	2	3	4	4	4	4	4	3	2	2

Best time to visit Caernarfon

The best time to visit Caernarfon in Wales is from January through December. In this period you have a pleasant temperature and little precipitation. The highest average temperature in Caernarfon is 17°C in July and the lowest is 7°C in January.

Climate of Caernarfon by month

What is the average climate in a given month for Caernarfon? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

January