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 advent of August sees the average high-temperature at a still refreshing 18.3°C (64.9°F), subtly shifted from July's 18.8°C (65.8°F). During the month of August, Merthyr Mawr's nighttime temperature lowers to an average of 13.2°C (55.8°F).Humidity
The average relative humidity in August is 84%.Rainfall
In Merthyr Mawr, in August, during 18.8 rainfall days, 69mm (2.72") of precipitation is typically accumulated. Throughout the year, in Merthyr Mawr, there are 197.2 rainfall days, and 669mm (26.34") of precipitation is accumulated.Snowfall
In Merthyr Mawr, snow does not fall in April through November.Daylight
In August, the average length of the day is 14h and 33min.On the first day of the month, sunrise is at 5:39 am and sunset at 9:02 pm. On the last day of August, sunrise is at 6:26 am and sunset at 8:02 pm BST.
Sunshine
In August, the average sunshine is 7h.UV index
The months with the highest UV index in Merthyr Mawr are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In August, the UV index of 4 transforms into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What are the temperatures in Merthyr Mawr in August?
What is the average humidity in August in Merthyr Mawr?
How many days does it rain in August in Merthyr Mawr?
When it does not snow in Merthyr Mawr?
How many hours of daylight does Merthyr Mawr have in August?
When is the sunrise / sunset in August in Merthyr Mawr?
How long on average sun shines in August in Merthyr Mawr?
What is the month with the highest UV index in Merthyr Mawr?
How high is the UV index in August in Merthyr Mawr?
Average temperature in August
Merthyr Mawr, United Kingdom
- Average high temperature in August: 18.3°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in August: 13.2°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (4°C).
Average pressure in August
Merthyr Mawr, United Kingdom
- Average pressure in August: 1014.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in August
Merthyr Mawr, United Kingdom
- Average wind speed in August: 16.5km/h
The windiest month (with the highest average wind speed) is December (23.1km/h).
The calmest month (with the lowest average wind speed) is June (15.5km/h).
Average humidity in August
Merthyr Mawr, United Kingdom
- Average humidity in August: 84%
The month with the highest relative humidity is December (86%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in August
Merthyr Mawr, United Kingdom
- Average rainfall in August: 69mm
The wettest month (with the highest rainfall) is November (79mm).
The driest month (with the least rainfall) is April (32mm).
Average rainfall days in August
Merthyr Mawr, United Kingdom
- Average rainfall days in August: 18.8 days
The month with the highest number of rainy days is November (19.1 days).
The month with the least rainy days is February (13.9 days).
Average snowfall in August
Merthyr Mawr, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is December (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Merthyr Mawr, 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
Merthyr Mawr, United Kingdom
- Average daylight in August: 14h and 3min
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 0min
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
Merthyr Mawr, United Kingdom
- Average sunshine days in August: 9.4 days
The month with the most sunshine days is May (13.5 days).
The month with the least sunshine days is November (9 days).
Average UV index in August
Merthyr Mawr, 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
Merthyr Mawr, United Kingdom
- Average cloud cover in August: 55
The month with the most cloud cover is November (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 48).
Average visibility in August
Merthyr Mawr, 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).
Merthyr Mawr, United Kingdom
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