Moses Lake

What is the climate like in Moses Lake?

The best time to visit Moses Lake is typically April – September, with trip comfort peaking in July (9.1/10). Moses Lake is warmest in July, when daily highs average 94°F (34°C), and coolest in January, when lows fall to about 28°F (-2°C). The wettest month is typically December and the driest is July; the year sees roughly 11 in (288 mm) of precipitation.

• Best time to visitApril – September — comfort peaks in July (9.1/10)
• Warmest monthJuly — average high 94°F (34°C)
• Coolest monthJanuary — average low 28°F (-2°C)
• Wettest monthDecember (1.9 in (48 mm))
• Driest monthJuly (0.1 in (2 mm))
• Annual precipitation11 in (288 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromMoses Lake Grant Co AP, 8 km away (1949-2026)