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June Weather in Washington, United Kingdom

Last updated: August 27, 2025

In Washington, United Kingdom, the average temperature in June hovers around 15°C (59°F). Expect minimums dropping to 6°C (43°F) and maximums reaching up to 27°C (81°F). During this month, the area sees about 75 mm (2.9 in) of precipitation over 10 days, with an average humidity of around 85%.

June Temperature in Washington

In June in Washington, the average temperature is 15°C (59°F). Maximum temperatures can reach 27°C (81°F), while minimums can be as low as 6°C (43°F). This climate makes Washington an ideal destination for travelers seeking mild weather and pleasant outdoor activities during this time of year.

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

The chart illustrates June temperature patterns in Washington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Washington, June typically has an average temperature of 15°C (59°F), with highs reaching up to 27°C (81°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec414244475358626157524642
Data source: Temperature data for Washington generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Washington

In Washington in June, the precipitation amount is 75 mm (2.9 in) spread over a period of 10 days.

June Precipitation Trends in Washington

The chart displays monthly precipitation patterns in Washington, 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 Washington, June typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec497462334975738261826369
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Washington

In Washington in June, humidity is 85%. With an average temperature of 15°C (59°F), this humidity feels like a warm, damp blanket wrapping around you, making traveling quite uncomfortable and sticky. Be prepared to take frequent breaks and stay hydrated as you navigate the lush, but humid environment.

June Average Humidity in Washington

This chart illustrates the average monthly humidity levels in Washington, 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 Washington is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%86%84%83%85%83%82%87%89%90%88%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Washington

In Washington in June, 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 Washington.

Maximum UV Index Levels in Washington for June

The chart shows the monthly maximum UV Index (UVI) for Washington 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 Washington typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865321
Data source: Washington 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 Washington Compares to Other Months

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

This table compares monthly weather conditions in Washington, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)49 mm (1.9 inches)89%low
February Weather6°C (42°F)74 mm (2.9 inches)87%low
March Weather7°C (45°F)62 mm (2.4 inches)85%moderate
April Weather8°C (47°F)33 mm (1.3 inches)84%moderate
May Weather12°C (53°F)49 mm (1.9 inches)83%high
June Weather15°C (59°F)75 mm (2.9 inches)85%very high
July Weather17°C (62°F)73 mm (2.9 inches)83%very high
August Weather16°C (61°F)82 mm (3.2 inches)82%high
September Weather14°C (57°F)61 mm (2.4 inches)87%moderate
October Weather11°C (52°F)82 mm (3.2 inches)89%moderate
November Weather8°C (46°F)63 mm (2.5 inches)90%low
December Weather6°C (42°F)69 mm (2.7 inches)88%low

Compare Washington's Climate with Cities Worldwide