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, noted for its average high-temperature of 18.9°C (66°F) and an average low-temperature of 13°C (55.4°F), is considered the warmest month.Humidity
In July, the average relative humidity is 83%.Rainfall
In Llanwern, in July, during 17.2 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Llanwern, United Kingdom, during the entire year, the rain falls for 184.4 days and collects up to 507mm (19.96") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Llanwern, the average length of the day in July is 16h and 7min.On the first day of the month, sunrise is at 4:58 am and sunset at 9:32 pm. On the last day of July, in Llanwern, sunrise is at 5:34 am and sunset at 9:01 pm BST.
Sunshine
The month with the most sunshine is July, with an average of 8.2h of sunshine.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 4 in July transforms into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month in Llanwern?
What are July temperatures in Llanwern?
What is the average humidity in July in Llanwern?
How much does it rain in Llanwern in July?
When it does not snow in Llanwern?
What is the average length of the day in July in Llanwern?
When are sunrise and sunset in July in Llanwern?
What month has the most sunshine in Llanwern?
How long on average sun shines in July in Llanwern?
When is the highest UV index in Llanwern?
What is the UV index reading in July in Llanwern?
Average temperature in July
Llanwern, United Kingdom
- Average high temperature in July: 18.9°C
The warmest month (with the highest average high temperature) is July (18.9°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in July: 13°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 (3.6°C).
Average pressure in July
Llanwern, 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 (1009.9mbar).
Average wind speed in July
Llanwern, United Kingdom
- Average wind speed in July: 14.9km/h
The windiest month (with the highest average wind speed) is February (22km/h).
The calmest months (with the lowest average wind speed) are June and July (14.9km/h).
Average humidity in July
Llanwern, United Kingdom
- Average humidity in July: 83%
The months with the highest relative humidity are January, November and December (86%).
The months with the lowest relative humidity are March, April and May (82%).
Average rainfall in July
Llanwern, United Kingdom
- Average rainfall in July: 34mm
The wettest month (with the highest rainfall) is November (64mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in July
Llanwern, United Kingdom
- Average rainfall days in July: 17.2 days
The month with the highest number of rainy days is November (18.8 days).
The month with the least rainy days is April (12.7 days).
Average snowfall in July
Llanwern, United Kingdom
- Average snowfall in July: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in July
Llanwern, United Kingdom
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (1.6 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
Llanwern, 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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 4h and 0min).
Average sunshine days in July
Llanwern, United Kingdom
- Average sunshine days in July: 11.2 days
The month with the most sunshine days is April (14.7 days).
The month with the least sunshine days is November (8 days).
Average UV index in July
Llanwern, 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
Llanwern, United Kingdom
- Average cloud cover in July: 48
The month with the most cloud cover is November (Cloud cover 60).
The months with the least cloud cover are April and May (Cloud cover 47).
Average visibility in July
Llanwern, 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).
