30YearWeather
Packing for San Jose
2026 Packing Guide

What to Wear in San Jose in October

Your complete weather-based packing list derived from 30 years of historical climate data.

October Weather in San Jose at a Glance

Avg High

24°C

Avg Low

17°C

Rain Risk

86%

💡 Quick Tip:

Light breathable clothing, t-shirts, light pants or shorts. Bring a light layer for evenings. High chance of rain! Definitely pack a durable raincoat and waterproof shoes.

Weekly Packing Breakdown for San Jose

Week 1Days 1-7
17° - 24°
90% Rain

Light breathable clothing, t-shirts, light pants or shorts.

Week 2Days 8-15
17° - 24°
89% Rain

Light breathable clothing, t-shirts, light pants or shorts.

Week 3Days 16-23
17° - 24°
91% Rain

Light breathable clothing, t-shirts, light pants or shorts.

Week 4Days 24+
17° - 24°
74% Rain

Light breathable clothing, t-shirts, light pants or shorts.

Essential Packing List for San Jose in October

Don't leave home without these essentials.

Top Layers

  • T-Shirts / Tank Tops
  • Light Cardigan / Hoodie
  • No coat needed

Bottoms & Shoes

  • Jeans / Heavy Trousers
  • Waterproof Boots / Shoes
  • Socks (Cotton/Athletic)

Accessories

  • Sunglasses & Hat
  • Compact Umbrella

Common Questions about San Jose Weather in October

What is the weather like in San Jose in October?

It is mild and pleasant with average highs of 24°C. Nights average around 17°C.

Do I need a heavy coat?

No, a light jacket or sweater is sufficient for cooler moments.

Does it rain often in San Jose in October?

Yes, it is quite rainy with a 86% chance of precipitation. Rain gear is a must.

What shoes should I take to San Jose?

Comfortable walking shoes are the most important item. Since there is a chance of rain, water-resistant shoes or boots are recommended.

Can I wear shorts / short sleeves?

Yes, daytimes are warm enough for shorts and short sleeves.