June Weather in London, United States

Last updated: June 24, 2025

In June, the average temperature in London, United States hovers around 23°C (73°F). However, be prepared for temperature fluctuations, with minimums of 9°C (48°F) and maximums reaching up to 34°C (94°F). Expect 141 mm (5.5 in) of precipitation spread over 14 days, and enjoy the lush atmosphere, as the average humidity is a humid 83%.

June Temperature in London

In June in London, the average temperature is 23°C (73°F). Maximums can reach 34°C (94°F), and minimums can be as low as 9°C (48°F). Travelers can expect warm days and cooler nights, making it a perfect time for outdoor adventures.

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 23°C (73°F), with highs reaching up to 34°C (94°F) and lows dropping to around 9°C (48°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 precipitation amount reaches 141 mm (5.5 in) over a span of 14 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 141 mm (5.5 inches) of precipitation spread over approximately 14 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 83%. With an average temperature of 23°C (73°F), this humidity feels like a heavy blanket wrapping around you, making travel slightly uncomfortable and causing you to break a sweat as you explore.

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 83%, 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	3°C (38°F)	98 mm (3.9 inches)	88%	moderate
February Weather	6°C (43°F)	179 mm (7.0 inches)	88%	high
March Weather	10°C (49°F)	134 mm (5.3 inches)	87%	high
April Weather	14°C (57°F)	134 mm (5.3 inches)	84%	very high
May Weather	20°C (67°F)	126 mm (5.0 inches)	84%	extreme
June Weather	23°C (73°F)	141 mm (5.5 inches)	83%	extreme
July Weather	25°C (78°F)	109 mm (4.3 inches)	79%	extreme
August Weather	24°C (76°F)	123 mm (4.8 inches)	66%	very high
September Weather	22°C (72°F)	107 mm (4.2 inches)	67%	very high
October Weather	16°C (61°F)	120 mm (4.7 inches)	76%	high
November Weather	8°C (46°F)	76 mm (3.0 inches)	89%	moderate
December Weather	6°C (43°F)	135 mm (5.3 inches)	88%	moderate