June Weather in London, United States

Last updated: June 24, 2025

In June, the average temperature in London, United States is a pleasant 26°C (78°F), making it a great time to explore. However, temperatures can vary, with a minimum of 13°C (56°F) and a sizzling maximum of 37°C (99°F). Be prepared for some rain, as 122 mm (4.8 in) of precipitation is expected over 11 days. Additionally, with an average humidity of 81%, don't forget to stay hydrated and enjoy your stay!

June Temperature in London

In June in London, the average temperature is 26°C (78°F). Maximums can reach 37°C (99°F), while minimums can dip as low as 13°C (56°F). This makes London a great destination for travelers seeking warm weather, but it's wise to prepare for both hot days and cooler evenings.

June Weather in London: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in London, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In London, June typically has an average temperature of 26°C (78°F), with highs reaching up to 37°C (99°F) and lows dropping to around 13°C (56°F).

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

June Precipitation in London

In London in June, the total precipitation amount is 122 mm (4.8 in) over a span of 11 days.

June Precipitation Trends in London

The chart displays monthly precipitation patterns in London, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In London, June typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

June Humidity in London

In London in June, humidity is 81%. With an average temperature of 26°C (78°F), this humidity feels like a thick, warm blanket enveloping you, making outdoor activities feel a bit more strenuous and the air heavy, which can be quite challenging for traveling.

June Average Humidity in London

This chart illustrates the average monthly humidity levels in London, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in London is approximately 81%, offering insight into how humid the weather typically is during this month.

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

June UV Index in London

In London in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in London.

Maximum UV Index Levels in London for June

The chart shows the monthly maximum UV Index (UVI) for London in June, 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 June, the maximum UV index in London typically reaches 11, which falls under the extreme exposure category.

Data source: London June 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 June Weather in London Compares to Other Months

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

This table compares monthly weather conditions in London, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	88 mm (3.4 inches)	82%	moderate
February Weather	7°C (44°F)	135 mm (5.3 inches)	79%	high
March Weather	12°C (54°F)	140 mm (5.5 inches)	77%	very high
April Weather	15°C (60°F)	150 mm (5.9 inches)	78%	very high
May Weather	21°C (70°F)	198 mm (7.8 inches)	82%	very high
June Weather	26°C (78°F)	122 mm (4.8 inches)	81%	extreme
July Weather	27°C (82°F)	86 mm (3.4 inches)	75%	extreme
August Weather	26°C (80°F)	127 mm (5.0 inches)	61%	very high
September Weather	24°C (76°F)	65 mm (2.6 inches)	59%	very high
October Weather	17°C (64°F)	103 mm (4.1 inches)	69%	high
November Weather	10°C (51°F)	88 mm (3.4 inches)	82%	moderate
December Weather	8°C (46°F)	100 mm (3.9 inches)	87%	moderate