Union Gap, in Washington, United States, is home to roughly 6,000 people in the Pacific Time Zone at 46.6°N latitude.
In 2025, Union Gap recorded an average annual temperature of 55°F. The hottest temperatures reached 104°F in July; the coolest were 13°F in February. Total precipitation for the year was 15 inches, with the wettest month being December. Snowfall for the year totaled approximately 4 inches.
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