Delta

What is the climate like in Delta?

The best time to visit Delta is typically May – September, with trip comfort peaking in July (9.3/10). Delta is warmest in September, when daily highs average 91°F (33°C), and coolest in July, when lows fall to about 58°F (14°C). The wettest month is typically January and the driest is July; the year sees roughly 44 in (1105 mm) of precipitation.

• Best time to visitMay – September — comfort peaks in July (9.3/10)
• Warmest monthSeptember — average high 91°F (33°C)
• Coolest monthJuly — average low 58°F (14°C)
• Wettest monthJanuary (8.4 in (213 mm))
• Driest monthJuly (0.1 in (2 mm))
• Annual precipitation44 in (1105 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromAraxa, 99 km away (1989-2026)