Sea Temperature in Caernarfon in July

Complete information on the sea temperature range in the Celtic Sea in Caernarfon in July. Historical daily data. Climate details for July. Tips on swimming conditions and beach relaxation in Caernarfon. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Caernarfon in July

55°F

MINIMUN

59°F

AVERAGE

63°F

MAXIMUM

Historical Data of Water Temperature in July in Caernarfon

Water Temperature Chart for Celtic Sea in Caernarfon in July

Sea Temperature Table in Caernarfon in July Over the Past Years

Day	2024	2023	2022	Average
Jul 1	57°C	63°C	57°C	59°C
Jul 2	57°C	57°C	55°C	57°C
Jul 3	57°C	59°C	55°C	57°C
Jul 4	59°C	63°C	57°C	59°C
Jul 5	57°C	57°C	57°C	58°C
Jul 6	57°C	57°C	57°C	58°C
Jul 7	59°C	55°C	57°C	57°C
Jul 8	57°C	63°C	57°C	59°C
Jul 9	59°C	61°C	57°C	59°C
Jul 10	57°C	59°C	57°C	58°C
Jul 11	59°C	63°C	57°C	59°C
Jul 12	61°C	61°C	57°C	60°C
Jul 13	59°C	57°C	59°C	58°C
Jul 14	59°C	55°C	59°C	58°C
Jul 15	61°C	63°C	57°C	60°C
Jul 16	59°C	57°C	59°C	59°C
Jul 17	61°C	57°C	59°C	59°C
Jul 18	61°C	57°C	59°C	59°C
Jul 19	61°C	59°C	59°C	60°C
Jul 20	61°C	61°C	59°C	60°C
Jul 21	63°C	61°C	59°C	60°C
Jul 22	63°C	57°C	57°C	59°C
Jul 23	63°C	63°C	59°C	61°C
Jul 24	61°C	55°C	59°C	59°C
Jul 25	63°C	59°C	59°C	60°C
Jul 26	61°C	55°C	59°C	58°C
Jul 27	61°C	59°C	61°C	60°C
Jul 28	61°C	55°C	61°C	59°C
Jul 29	61°C	57°C	59°C	59°C
Jul 30	61°C	63°C	57°C	60°C

Caernarfon Climate and Swimming Opportunities in July

68°F

Average Day Air Temperature

55°F

Average Night Air Temperature

3 in

Precipitation Amount per Month

12 days

Number of Rainy Days

16 hrs

Daylight
per Day

5 hrs

Sunshine
per Day

9 mph

Average Wind Speed

84%

Average
humidity

Caernarfon lies within the Wales in United Kingdom. The average daytime temperature in Caernarfon in July is 20°C (67°F), while the nighttime average is 13°C (55°F). There are typically 12 rainy days during the month, with a total precipitation of 70 mm (2.8 inches). The daylight duration in July in Caernarfon is 16 hours, with an average of 5 hours of sunshine per day. The average wind speed in July is 15 km/h (9 mph), and the humidity level is around 84%.

The water temperature in Caernarfon in July ranges from 13°C to 16°C (55°F to 61°F). At the beginning of the month, the average temperature is around 14°C (57°F), shifting to 15°C (59°F) by mid-July and reaching 15°C (59°F) in the last ten days. Overall, the average sea temperature in Caernarfon for July is 15°C (59°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Sea Temperature in July in Nearby Cities

Frequently Asked Questions About Water Temperatures in July in Caernarfon

What is the sea temperature in Caernarfon in July?

The water temperature in the Celtic Sea in Caernarfon in July ranges from 13°C to 16°C (55°F to 61°F).

Is it possible to swim in the Celtic Sea in Caernarfon in July?

The average sea temperature in Caernarfon in July is 15°C (59°F), and the air temperature is 20°C (67°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.