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June Weather in Washington, United States

Last updated: June 24, 2025

In Washington, United States, the average temperature in June hovers around 24°C (76°F), creating a pleasantly warm atmosphere. However, be prepared for a range of temperatures, with minimums dipping to 9°C (49°F) and maximums soaring to 35°C (95°F). Expect 118 mm (4.6 in) of precipitation spread over 11 days, contributing to an average humidity level of 82%. 🌧️☀️ Enjoy the vibrant climate of this unique locale!

June Temperature in Washington

In June in Washington, the average temperature is 24°C (76°F). Maximum temperatures can reach 35°C (95°F), while minimum temperatures can drop to as low as 9°C (49°F). This variability makes Washington an ideal destination for travelers seeking both warm and cool conditions during their visit.

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 24°C (76°F), with highs reaching up to 35°C (95°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec333746556776797672604439
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 118 mm (4.6 in) over the course of 11 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 118 mm (4.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9411413912313311889917197102104
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 82%. With an average temperature of 24°C (76°F), this humidity feels like wearing a warm, damp blanket, making travel uncomfortable and sticky as you explore.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098643
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 Weather1°C (33°F)93 mm (3.7 inches)87%moderate
February Weather3°C (37°F)114 mm (4.5 inches)85%moderate
March Weather8°C (47°F)139 mm (5.5 inches)86%high
April Weather13°C (55°F)123 mm (4.8 inches)84%very high
May Weather20°C (67°F)133 mm (5.2 inches)79%very high
June Weather24°C (76°F)118 mm (4.6 inches)82%extreme
July Weather26°C (79°F)89 mm (3.5 inches)79%very high
August Weather24°C (76°F)91 mm (3.6 inches)70%very high
September Weather22°C (72°F)71 mm (2.8 inches)69%very high
October Weather16°C (60°F)97 mm (3.8 inches)76%high
November Weather7°C (44°F)102 mm (4.0 inches)88%moderate
December Weather4°C (39°F)104 mm (4.1 inches)87%moderate

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