Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The transition from July to August sees average high-temperatures adjusting to a still comfortable 17.5°C (63.5°F), from a not significantly different 17.9°C (64.2°F). In Carmarthen, the month of August brings a consistent average low-temperature of 12.8°C (55°F), slightly cooler than its daytime highs.Humidity
In Carmarthen, the average relative humidity in August is 86%.Rainfall
In Carmarthen, in August, it is raining for 20.4 days, with typically 46mm (1.81") of accumulated precipitation. In Carmarthen, during the entire year, the rain falls for 210.2 days and collects up to 515mm (20.28") of precipitation.Snowfall
March through October are months without snowfall.Daylight
The average length of the day in August is 14h and 35min.On the first day of the month, sunrise is at 5:40 am and sunset at 9:06 pm. On the last day of August, sunrise is at 6:28 am and sunset at 8:06 pm BST.
Sunshine
The average sunshine in August in Carmarthen is 7.1h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 4 during August morphs into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the average August temperature in Carmarthen?
What is the average humidity in August in Carmarthen?
How much does it rain in Carmarthen in August?
When it does not snow in Carmarthen?
What is the average length of the day in August in Carmarthen?
When is the sunrise / sunset in August in Carmarthen?
How many hours of sunshine does Carmarthen have in August?
What are the months with the highest UV index in Carmarthen?
What is the UV index intensity in August in Carmarthen?
Average temperature in August
Carmarthen, United Kingdom
- Average high temperature in August: 17.5°C
The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is February (7.6°C).
- Average low temperature in August: 12.8°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in August
Carmarthen, United Kingdom
- Average pressure in August: 1014.4mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in August
Carmarthen, United Kingdom
- Average wind speed in August: 16.2km/h
The windiest month (with the highest average wind speed) is December (22.3km/h).
The calmest month (with the lowest average wind speed) is June (14.5km/h).
Average humidity in August
Carmarthen, United Kingdom
- Average humidity in August: 86%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in August
Carmarthen, United Kingdom
- Average rainfall in August: 46mm
The wettest month (with the highest rainfall) is November (60mm).
The driest month (with the least rainfall) is May (24mm).
Average rainfall days in August
Carmarthen, United Kingdom
- Average rainfall days in August: 20.4 days
The month with the highest number of rainy days is December (20.6 days).
The month with the least rainy days is April (13.5 days).
Average snowfall in August
Carmarthen, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Carmarthen, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Carmarthen, United Kingdom
- Average daylight in August: 14h and 4min
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 1min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Carmarthen, United Kingdom
- Average sunshine days in August: 6.3 days
The month with the most sunshine days is March (13.2 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in August
Carmarthen, 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, March, November and December (UV index 2).
Average cloud cover in August
Carmarthen, United Kingdom
- Average cloud cover in August: 56
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 48).
Average visibility in August
Carmarthen, 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).
Carmarthen, United Kingdom
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