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
July
Weather in July
Temperature
July brings the highest temperatures, with an average high of 18.2°C (64.8°F) and an average low of 12.7°C (54.9°F).Humidity
In July, the average relative humidity in Ystradgynlais, United Kingdom, is 84%.Rainfall
In Ystradgynlais, in July, during 16.8 rainfall days, 38mm (1.5") of precipitation is typically accumulated. In Ystradgynlais, during the entire year, the rain falls for 181.3 days and collects up to 568mm (22.36") of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in July in Ystradgynlais is 16h and 8min.On the first day of July, sunrise is at 5:01 am and sunset at 9:36 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 9:05 pm BST.
Sunshine
The average sunshine in July is 7.8h.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 health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 4 during July leads to these advisories:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. 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
What is the warmest month in Ystradgynlais?
What are the temperatures in Ystradgynlais in July?
What is the average humidity in July in Ystradgynlais?
How many days does it rain in July in Ystradgynlais?
When it does not snow in Ystradgynlais?
What is the average length of the day in July in Ystradgynlais?
When are sunrise and sunset in July in Ystradgynlais?
How many hours of sunshine does Ystradgynlais have in July?
What is the month with the highest UV index in Ystradgynlais?
What is the UV index intensity in July in Ystradgynlais?
Average temperature in July
Ystradgynlais, United Kingdom
- Average high temperature in July: 18.2°C
The warmest month (with the highest average high temperature) is July (18.2°C).
The months with the lowest average high temperature are January and February (7.3°C).
- Average low temperature in July: 12.7°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).
Average pressure in July
Ystradgynlais, United Kingdom
- Average pressure in July: 1015.1mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in July
Ystradgynlais, United Kingdom
- Average wind speed in July: 15.1km/h
The windiest month (with the highest average wind speed) is December (22.4km/h).
The calmest month (with the lowest average wind speed) is June (14.9km/h).
Average humidity in July
Ystradgynlais, United Kingdom
- Average humidity in July: 84%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is April (81%).
Average rainfall in July
Ystradgynlais, United Kingdom
- Average rainfall in July: 38mm
The wettest months (with the highest rainfall) are November and December (66mm).
The driest month (with the least rainfall) is May (31mm).
Average rainfall days in July
Ystradgynlais, United Kingdom
- Average rainfall days in July: 16.8 days
The month with the highest number of rainy days is November (17 days).
The month with the least rainy days is September (12.6 days).
Average snowfall in July
Ystradgynlais, United Kingdom
- Average snowfall in July: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in July
Ystradgynlais, United Kingdom
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Ystradgynlais, 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 5min
The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in July
Ystradgynlais, United Kingdom
- Average sunshine days in July: 10.3 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in July
Ystradgynlais, 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
Ystradgynlais, United Kingdom
- Average cloud cover in July: 51
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 47).
Average visibility in July
Ystradgynlais, 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).
