July Weather in Llanwern, United Kingdom

Last updated: August 27, 2025

In July, the average temperature in Llanwern, United Kingdom is a pleasant 18°C (64°F). Expect a minimum of 9°C (49°F) and a comfortable maximum reaching 29°C (85°F). With 69 mm (2.7 in) of precipitation over 11 days, you might want to pack an umbrella. Additionally, the average humidity hovers around 70%, making it feel quite refreshing!

July Temperature in Llanwern

In July in Llanwern, the average temperature is 18°C (64°F), with maximums reaching 29°C (85°F) and minimums dropping as low as 9°C (49°F). This pleasant weather makes it an ideal time for exploration and outdoor activities.

July Weather in Llanwern: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Llanwern, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Llanwern, July typically has an average temperature of 18°C (64°F), with highs reaching up to 29°C (85°F) and lows dropping to around 9°C (49°F).

Data source: Temperature data for Llanwern generated using information from the Copernicus Climate Change Service.

July Precipitation in Llanwern

In Llanwern in July, the total precipitation amount is 69 mm (2.7 in) spread across 11 days.

July Precipitation Trends in Llanwern

The chart displays monthly precipitation patterns in Llanwern, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Llanwern, July typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Llanwern

In Llanwern in July humidity is 70%. With an average temperature of 18°C (64°F), this humidity feels like a sticky embrace, making outdoor excursions a bit more cumbersome and requiring frequent breaks to stay refreshed and hydrated.

July Average Humidity in Llanwern

This chart illustrates the average monthly humidity levels in Llanwern, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Llanwern is approximately 70%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Llanwern

In Llanwern in July, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Llanwern.

Maximum UV Index Levels in Llanwern for July

The chart shows the monthly maximum UV Index (UVI) for Llanwern in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Llanwern typically reaches 8, which falls under the very high exposure category.

Data source: Llanwern July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How July Weather in Llanwern Compares to Other Months

Weather in Llanwern varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Llanwern, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Llanwern, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (42°F)	64 mm (2.5 inches)	88%	low
February Weather	6°C (44°F)	79 mm (3.1 inches)	88%	low
March Weather	7°C (46°F)	83 mm (3.3 inches)	86%	moderate
April Weather	10°C (49°F)	55 mm (2.2 inches)	84%	high
May Weather	12°C (55°F)	71 mm (2.8 inches)	80%	high
June Weather	16°C (61°F)	79 mm (3.1 inches)	80%	very high
July Weather	18°C (64°F)	69 mm (2.7 inches)	70%	very high
August Weather	17°C (63°F)	85 mm (3.3 inches)	73%	high
September Weather	15°C (59°F)	65 mm (2.5 inches)	79%	high
October Weather	12°C (54°F)	115 mm (4.5 inches)	89%	moderate
November Weather	9°C (48°F)	80 mm (3.1 inches)	90%	low
December Weather	7°C (45°F)	106 mm (4.2 inches)	89%	low