June Weather in Washington, United States

Last updated: June 24, 2025

In June, the average temperature in Washington, United States hovers around 22°C (72°F), offering a pleasant climate. However, temperatures can fluctuate significantly, with minimums dipping to 8°C (46°F) and maximums soaring up to 34°C (94°F). Expect around 153 mm (6.0 in) of precipitation spread over 14 days, creating a humid ambiance with an average humidity level of 84%. Enjoy the unique weather this month brings!

June Temperature in Washington

In June in Washington, the average temperature is 22°C (72°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 8°C (46°F). This variety in temperatures makes it essential to pack layers to ensure comfort during your travels.

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 22°C (72°F), with highs reaching up to 34°C (94°F) and lows dropping to around 8°C (46°F).

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

June Precipitation in Washington

In Washington in June, the total precipitation amount is 153 mm (6.0 in) spread over 14 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 153 mm (6.0 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 Washington

In Washington in June humidity is 84%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, making travel feel slightly stifling but also lending a vibrant energy to the atmosphere, which can be both invigorating and tiring 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 84%, 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 Washington

In Washington in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, 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 10, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	91 mm (3.6 inches)	88%	moderate
February Weather	4°C (39°F)	125 mm (4.9 inches)	88%	moderate
March Weather	7°C (46°F)	115 mm (4.5 inches)	88%	high
April Weather	12°C (55°F)	143 mm (5.6 inches)	86%	very high
May Weather	18°C (65°F)	147 mm (5.8 inches)	82%	very high
June Weather	22°C (72°F)	153 mm (6.0 inches)	84%	very high
July Weather	25°C (77°F)	112 mm (4.4 inches)	82%	very high
August Weather	24°C (75°F)	123 mm (4.8 inches)	73%	very high
September Weather	21°C (70°F)	104 mm (4.1 inches)	73%	very high
October Weather	15°C (60°F)	113 mm (4.4 inches)	81%	high
November Weather	7°C (45°F)	82 mm (3.2 inches)	89%	moderate
December Weather	4°C (39°F)	117 mm (4.6 inches)	86%	moderate