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Sea Temperature in Llanelli in July
Complete information on the sea temperature range in the Celtic Sea in Llanelli in July. Historical daily data. Climate details for July. Tips on swimming conditions and beach relaxation in Llanelli. 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 Llanelli in July
13°C
MINIMUN
16°C
AVERAGE
19°C
MAXIMUM
Historical Data of Water Temperature in July in Llanelli
Water Temperature Chart for Celtic Sea in Llanelli in July
Sea Temperature Table in Llanelli in July Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Jul 1 | 15°C | 15°C | 14°C | 14.8°C |
| Jul 2 | 15°C | 15°C | 14°C | 15.0°C |
| Jul 3 | 16°C | 15°C | 14°C | 15.3°C |
| Jul 4 | 15°C | 15°C | 15°C | 15.3°C |
| Jul 5 | 16°C | 15°C | 15°C | 15.5°C |
| Jul 6 | 16°C | 15°C | 16°C | 15.8°C |
| Jul 7 | 16°C | 15°C | 16°C | 15.8°C |
| Jul 8 | 16°C | 15°C | 17°C | 16.0°C |
| Jul 9 | 16°C | 15°C | 17°C | 16.0°C |
| Jul 10 | 16°C | 15°C | 17°C | 16.0°C |
| Jul 11 | 17°C | 15°C | 17°C | 16.3°C |
| Jul 12 | 17°C | 15°C | 17°C | 16.3°C |
| Jul 13 | 17°C | 15°C | 16°C | 16.0°C |
| Jul 14 | 16°C | 16°C | 16°C | 16.0°C |
| Jul 15 | 16°C | 16°C | 16°C | 16.0°C |
| Jul 16 | 16°C | 16°C | 16°C | 16.0°C |
| Jul 17 | 17°C | 16°C | 16°C | 16.3°C |
| Jul 18 | 17°C | 16°C | 16°C | 16.3°C |
| Jul 19 | 18°C | 16°C | 16°C | 16.5°C |
| Jul 20 | 17°C | 16°C | 16°C | 16.3°C |
| Jul 21 | 17°C | 17°C | 16°C | 16.5°C |
| Jul 22 | 17°C | 17°C | 16°C | 16.5°C |
| Jul 23 | 18°C | 16°C | 16°C | 16.8°C |
| Jul 24 | 18°C | 16°C | 16°C | 16.8°C |
| Jul 25 | 17°C | 17°C | 17°C | 17.0°C |
| Jul 26 | 18°C | 16°C | 17°C | 17.0°C |
| Jul 27 | 17°C | 16°C | 17°C | 16.5°C |
| Jul 28 | 17°C | 16°C | 17°C | 16.8°C |
| Jul 29 | 18°C | 16°C | 16°C | 16.8°C |
| Jul 30 | 17°C | 17°C | 16°C | 16.8°C |
Llanelli Climate and Swimming Opportunities in July
20°C
Average Day Air Temperature
13°C
Average Night Air Temperature
73 mm
Precipitation Amount per Month
12 days
Number of Rainy Days
16 hrs
Daylight
per Day
6 hrs
Sunshine
per Day
14 km/h
Average Wind Speed
83%
Average
humidity
Llanelli lies within the Wales in United Kingdom. The average daytime temperature in Llanelli 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 73 mm (2.9 inches). The daylight duration in July in Llanelli is 16 hours, with an average of 6 hours of sunshine per day. The average wind speed in July is 14 km/h (9 mph), and the humidity level is around 83%.
The water temperature in Llanelli in July ranges from 14°C to 17°C (57°F to 63°F). At the beginning of the month, the average temperature is around 15°C (59°F), shifting to 16°C (61°F) by mid-July and reaching 17°C (63°F) in the last ten days. Overall, the average sea temperature in Llanelli for July is 16°C (61°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 Llanelli
What is the sea temperature in Llanelli in July?
The water temperature in the Celtic Sea in Llanelli in July ranges from 14°C to 17°C (57°F to 63°F).
Is it possible to swim in the Celtic Sea in Llanelli in July?
The average sea temperature in Llanelli in July is 16°C (61°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.