August weather forecastLlanelli, United Kingdom
August
Weather in August
The last month of the summer, August, is also an enjoyable month in Llanelli, United Kingdom, with an average temperature ranging between max 17.5°C (63.5°F) and min 13.6°C (56.5°F).Temperature
Llanelli's August showcases an average high-temperature of a still comfortable 17.5°C (63.5°F), hardly distinct from July's 17.8°C (64°F). Night temperatures in August in Llanelli exhibit a subtle decrease, settling at an average of 13.6°C (56.5°F).Humidity
The months with the highest humidity are January, August, October through December, with an average relative humidity of 85%.Rainfall
In Llanelli, in August, it is raining for 21.2 days, with typically 73mm (2.87") of accumulated precipitation. In Llanelli, during the entire year, the rain falls for 219.6 days and collects up to 745mm (29.33") of precipitation.Snowfall
April through November are months without snowfall in Llanelli.Sea temperature
With an average sea temperature of 16.8°C (62.2°F), August is the month with the warmest seawater.Note: For most people, swimming in water at 16.8°C (62.2°F) is not a pleasurable experience. Breathing control gets harder as the water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Llanelli, the average length of the day in August is 14h and 34min.On the first day of August, sunrise is at 5:40 am and sunset at 9:05 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 8:05 pm BST.
Sunshine
The average sunshine in August is 7.5h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Llanelli. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In August, the maximum UV index of 4 suggests these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Llanelli, United Kingdom
- Average high temperature in August: 17.5°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is February (7.7°C).
- Average low temperature in August: 13.6°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is February (4.5°C).
Average pressure in August
Llanelli, United Kingdom
- Average pressure in August: 1014.5mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in August
Llanelli, United Kingdom
- Average wind speed in August: 17.2km/h
The windiest month (with the highest average wind speed) is December (23.9km/h).
The calmest month (with the lowest average wind speed) is June (15.4km/h).
Average humidity in August
Llanelli, United Kingdom
- Average humidity in August: 85%
The months with the highest relative humidity are January, August, October, November and December (85%).
The month with the lowest relative humidity is April (81%).
Average rainfall in August
Llanelli, United Kingdom
- Average rainfall in August: 73mm
The wettest month (with the highest rainfall) is December (84mm).
The driest month (with the least rainfall) is May (37mm).
Average rainfall days in August
Llanelli, United Kingdom
- Average rainfall days in August: 21.2 days
The month with the highest number of rainy days is December (21.5 days).
The month with the least rainy days is April (15.1 days).
Average snowfall in August
Llanelli, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Llanelli, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Llanelli, United Kingdom
- Average sea temperature in August: 16.8°C
The best month for swimming (with the highest average sea temperature) is August (16.8°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight in August /
Average sunshine in August
Llanelli, United Kingdom
- Average daylight in August: 14h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in August: 7h and 30min
The months with the most sunshine are April and May (Average sunshine: 8h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Llanelli, United Kingdom
- Average sunshine days in August: 6.5 days
The month with the most sunshine days is May (12.8 days).
The month with the least sunshine days is August (6.5 days).
Average UV index in August
Llanelli, United Kingdom
- Average UV index in August: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Llanelli, United Kingdom
- Average cloud cover in August: 54
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 46).
Average visibility in August
Llanelli, United Kingdom
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
