Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
Merthyr Mawr's temperature records reveal July as the warmest month, marked by average highs of 18.8°C (65.8°F) and lows of 12.7°C (54.9°F).Humidity
The average relative humidity in July is 83%.Rainfall
In Merthyr Mawr, United Kingdom, in July, during 18.1 rainfall days, 48mm (1.89") of precipitation is typically accumulated. In Merthyr Mawr, during the entire year, the rain falls for 197.2 days and collects up to 669mm (26.34") of precipitation.Snowfall
April through November are months without snowfall in Merthyr Mawr.Daylight
The average length of the day in July is 16h and 5min.On the first day of the month, sunrise is at 5:02 am and sunset at 9:34 pm. On the last day of July, in Merthyr Mawr, sunrise is at 5:37 am and sunset at 9:03 pm BST.
Sunshine
In July, the average sunshine is 7.7h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Merthyr Mawr, United Kingdom. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 during July translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What are the warmest months in Merthyr Mawr?
What is the usual temperature for Merthyr Mawr in July?
What is the average humidity in July in Merthyr Mawr?
How much does it rain in Merthyr Mawr in July?
When it does not snow in Merthyr Mawr?
What is the average length of the day in July in Merthyr Mawr?
When is the sunrise / sunset in July in Merthyr Mawr?
How long on average sun shines in July in Merthyr Mawr?
What is the month with the highest UV index in Merthyr Mawr?
How high is the UV index in July in Merthyr Mawr?
Average temperature in July
Merthyr Mawr, United Kingdom
- Average high temperature in July: 18.8°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 July: 12.7°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 July
Merthyr Mawr, United Kingdom
- Average pressure in July: 1015.2mbar
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 July
Merthyr Mawr, United Kingdom
- Average wind speed in July: 15.7km/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 July
Merthyr Mawr, United Kingdom
- Average humidity in July: 83%
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 July
Merthyr Mawr, United Kingdom
- Average rainfall in July: 48mm
The wettest month (with the highest rainfall) is November (79mm).
The driest month (with the least rainfall) is April (32mm).
Average rainfall days in July
Merthyr Mawr, United Kingdom
- Average rainfall days in July: 18.1 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 July
Merthyr Mawr, United Kingdom
- Average snowfall in July: 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 July
Merthyr Mawr, United Kingdom
- Average snowfall days in July: 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 July /
Average sunshine in July
Merthyr Mawr, United Kingdom
- Average daylight in July: 16h and 1min
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 July: 7h and 4min
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 July
Merthyr Mawr, United Kingdom
- Average sunshine days in July: 10.3 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 July
Merthyr Mawr, United Kingdom
- Average UV index in July: 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 July
Merthyr Mawr, United Kingdom
- Average cloud cover in July: 52
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 July
Merthyr Mawr, United Kingdom
- Average visibility in July: 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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