Sunnyside

What is the climate like in Sunnyside?

The best time to visit Sunnyside is typically April – October, with trip comfort peaking in July (9.1/10). Sunnyside is warmest in July, when daily highs average 96°F (36°C), and coolest in January, when lows fall to about 28°F (-2°C). The wettest month is typically January and the driest is July; the year sees roughly 11 in (288 mm) of precipitation.

• Best time to visitApril – October — comfort peaks in July (9.1/10)
• Warmest monthJuly — average high 96°F (36°C)
• Coolest monthJanuary — average low 28°F (-2°C)
• Wettest monthJanuary (2.0 in (50 mm))
• Driest monthJuly (0.1 in (2 mm))
• Annual precipitation11 in (288 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromSunnyside #2, 3 km away (2013-2026)