Hanford

What is the climate like in Hanford?

The best time to visit Hanford is typically April – November, with trip comfort peaking in September (9.3/10). Hanford is warmest in July, when daily highs average 103°F (39°C), and coolest in December, when lows fall to about 43°F (6°C). The wettest month is typically January and the driest is July; the year sees roughly 12 in (305 mm) of precipitation.

• Best time to visitApril – November — comfort peaks in September (9.3/10)
• Warmest monthJuly — average high 103°F (39°C)
• Coolest monthDecember — average low 43°F (6°C)
• Wettest monthJanuary (2.5 in (64 mm))
• Driest monthJuly (0.0 in (0 mm))
• Annual precipitation12 in (305 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromHanford 1 S, 2 km away (1899-2026)