Climate Yearbook

Historical weather in Washington, United States

Washington weather history for 2023-2025, with daily temperatures, precipitation, monthly summaries, and records from Open-Meteo archive data.

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Weather summary

Across 2023-2025, Washington averaged 19.4 C for daily highs and 9.6 C for daily lows across 1096 daily observations.

The warmest month was July 2023, with an average high of 31.6 C, while January 2025 had the lowest average low at -5.3 C.

The wettest month was May 2025, totaling 255.5 mm of precipitation.

The hottest day reached 39.7 C on June 24, 2025; the coldest night fell to -14.5 C on January 23, 2025.

Monthly summary table

YearMonthAvg low CAvg high CRain and snow mmDays
2023January2.010.165.631
2023February1.712.067.828
2023March2.413.067.731
2023April9.321.6112.830
2023May10.722.838.831
2023June15.827.9138.930
2023July20.931.6155.831
2023August19.730.363.231
2023September16.726.5106.730
2023October10.321.239.031
2023November2.913.567.730
2023December1.810.3193.431
2024January-1.57.2121.731
2024February-0.110.157.629
2024March3.914.7161.231
2024April8.819.891.130
2024May14.223.8137.431
2024June18.830.875.830
2024July21.331.3131.331
2024August19.129.0197.631
2024September16.425.1119.230
2024October9.620.59.431
2024November6.614.872.530
2024December0.17.783.131
2025January-5.31.956.931
2025February-1.16.781.128
2025March4.516.077.631
2025April9.520.3105.930
2025May14.222.7255.531
2025June19.930.0163.930
2025July22.631.5196.131
2025August18.627.458.031
2025September17.126.191.230
2025October9.919.483.831
2025November4.513.551.430
2025December-1.85.853.931

Daily weather records

RecordDateValue
Hottest dayJune 24, 202539.7 C
Coldest nightJanuary 23, 2025-14.5 C
Wettest dayOctober 30, 202556.0 mm

Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.