Weather in Rancho Cucamonga in October
Rancho Cucamonga, United States averages a high of 26.6°C (79.9°F) and low of 13.5°C (56.3°F) in October, with 3 rain days and 10.5 hours of daily sunshine. Travel score: 96.6/100 (Excellent). The best time to visit Rancho Cucamonga is August.
High
27°C80°F
Low
14°C56°F
🌧️
3
rain days
☀️
10.5
hrs/day sunshine
💧
52%
humidity
97— Excellent
October in Rancho Cucamonga is warm and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Rancho Cucamonga?
How much does it rain in Rancho Cucamonga in October?
Rancho Cucamonga receives an average of 20.4mm of rainfall across 3 rainy days in October. The annual total is 427.9mm.
What should I pack for Rancho Cucamonga in October?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 27°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 13°C from day to night
Traveling to United States in October?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31