Winchester

What is the climate like in Winchester?

The best time to visit Winchester is typically February – June, with trip comfort peaking in October (9.1/10). Winchester is warmest in July, when daily highs average 106°F (41°C), and coolest in January, when lows fall to about 40°F (5°C). The wettest month is typically January and the driest is June; the year sees roughly 5.1 in (131 mm) of precipitation.

• Best time to visitFebruary – June — comfort peaks in October (9.1/10)
• Warmest monthJuly — average high 106°F (41°C)
• Coolest monthJanuary — average low 40°F (5°C)
• Wettest monthJanuary (1.0 in (25 mm))
• Driest monthJune (0.1 in (1 mm))
• Annual precipitation5.1 in (131 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromMccarran Intl AP, 8 km away (1948-2026)