July Weather in Chelmsford, United Kingdom

Last updated: August 27, 2025

In July, the average temperature in Chelmsford, United Kingdom hovers around 18°C (65°F), with a minimum of 10°C (50°F) and a peak reaching 34°C (93°F). Expect 61 mm (2.4 in) of precipitation spread over 12 days, complemented by an average humidity level of 76%. Whether you're wandering through local sights or enjoying the outdoors, be prepared for the varied weather!

July Temperature in Chelmsford

In July in Chelmsford, the average temperature is 18°C (65°F). The maximum can reach 34°C (93°F) and the minimum can be as low as 10°C (50°F). This wide range makes it an ideal time for travelers to experience comfortable weather while exploring the area.

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

The chart illustrates July temperature patterns in Chelmsford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chelmsford, July typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (93°F) and lows dropping to around 10°C (50°F).

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

July Precipitation in Chelmsford

In Chelmsford in July, the total precipitation amount is 61 mm (2.4 in), which occurs over a span of 12 days.

July Precipitation Trends in Chelmsford

The chart displays monthly precipitation patterns in Chelmsford, 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 Chelmsford, July typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 12 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 Chelmsford

In Chelmsford in July, humidity is 76%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making travel a little sticky but enjoyable, as long as you stay hydrated and take breaks in the shade.

July Average Humidity in Chelmsford

This chart illustrates the average monthly humidity levels in Chelmsford, 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 Chelmsford is approximately 76%, 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 Chelmsford

In Chelmsford 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 Chelmsford.

Maximum UV Index Levels in Chelmsford for July

The chart shows the monthly maximum UV Index (UVI) for Chelmsford 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 Chelmsford typically reaches 8, which falls under the very high exposure category.

Data source: Chelmsford 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 Chelmsford Compares to Other Months

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

This table compares monthly weather conditions in Chelmsford, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	51 mm (2.0 inches)	91%	low
February Weather	6°C (43°F)	51 mm (2.0 inches)	89%	low
March Weather	7°C (46°F)	52 mm (2.0 inches)	86%	moderate
April Weather	9°C (49°F)	29 mm (1.1 inches)	85%	moderate
May Weather	13°C (55°F)	64 mm (2.5 inches)	82%	high
June Weather	16°C (62°F)	68 mm (2.7 inches)	81%	very high
July Weather	18°C (65°F)	61 mm (2.4 inches)	76%	very high
August Weather	18°C (65°F)	70 mm (2.8 inches)	73%	high
September Weather	15°C (60°F)	49 mm (1.9 inches)	80%	moderate
October Weather	12°C (54°F)	80 mm (3.1 inches)	89%	moderate
November Weather	8°C (47°F)	45 mm (1.8 inches)	92%	low
December Weather	6°C (44°F)	83 mm (3.3 inches)	92%	low