30YearWeather
Packing for Siena
2026 Packing Guide

What to Wear in Siena in March

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

March Weather in Siena at a Glance

Avg High

14°C

Avg Low

4°C

Rain Risk

22%

💡 Quick Tip:

Light jacket, hoodies, jeans. T-shirts for warmer afternoons. Rain is unlikely, but a small umbrella never hurts.

Weekly Packing Breakdown for Siena

Week 1Days 1-7
3° - 12°
31% Rain

Light jacket, hoodies, jeans.

Week 2Days 8-15
3° - 13°
22% Rain

Light jacket, hoodies, jeans.

Week 3Days 16-23
4° - 14°
16% Rain

Light jacket, hoodies, jeans.

Week 4Days 24+
5° - 15°
21% Rain

Light jacket, hoodies, jeans.

Essential Packing List for Siena in March

Don't leave home without these essentials.

Top Layers

  • Long-sleeve shirts / Base layers
  • Warm Sweater / Fleece
  • Light Jacket / Windbreaker

Bottoms & Shoes

  • Jeans / Heavy Trousers
  • Comfortable Walking Shoes
  • Socks (Cotton/Athletic)

Accessories

  • Scarf & Gloves
  • Compact Umbrella

Common Questions about Siena Weather in March

What is the weather like in Siena in March?

It is mild and pleasant with average highs of 14°C. Nights average around 4°C.

Do I need a heavy coat?

Yes, definitely. Temperatures often drop near freezing, so a warm winter coat is essential.

Does it rain often in Siena in March?

Rain is relatively rare (22% chance), but a small umbrella is always good to have.

What shoes should I take to Siena?

Comfortable walking shoes are the most important item. Sneakers or loafers are perfect.

Can I wear shorts / short sleeves?

No, it's generally too cool. Stick to long pants and layers.