No. It is warm: most people are comfortable in short sleeves. Short sleeves by day, one light layer in reserve for the evening.

Outfit guide · 23°C · 73°F

What to wear in 23°C (73°F) weather

Short sleeves by day, one light layer in reserve for the evening.

The formula

Outer layer: Unlined cotton overshirt or a light linen jacket, for the evening
Top: Short-sleeve knit polo, cotton tee, fluid blouse
Bottom: Cotton chinos, light straight-leg denim, linen-blend trousers
Shoes: Clean leather sneakers, loafers without socks
Extras: A light scarf for air conditioning

Fabrics. Cotton, linen blends, fine-gauge knit

Palette. Ecru, light grey and sand, with a navy accent.

You are at the cold end of this range. If it is windy or you will be out after dark, borrow the outer layer from the mild guide.

If the morning sits around 18°C, start with the outer layer from the fresh guide; by an afternoon near 26°C you will want it off.

If it rains at 23°C: swap the outer layer for a water-resistant one and choose leather or rubber-soled shoes.

Air-conditioned offices run cold. A thin layer saves the afternoon.

No. It is warm: most people are comfortable in short sleeves.

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Every range, from the outer layer down to the shoes.

Temperature	Feels	Outer layer
28°C and above	Hot	None. Carry a thin overshirt only for air-conditioned rooms
23–27°C	Warm	Unlined cotton overshirt or a light linen jacket, for the evening
20–22°C	Mild	Optional: a cotton cardigan or an unstructured blazer
17–19°C	Fresh	Light jacket, overshirt or a cotton trench worn open
12–16°C	Cool	Trench coat, wool-blend jacket or a light suede jacket
9–11°C	Chilly	Light wool coat or a lined trench
5–8°C	Cold	Wool or cashmere-blend overcoat
0–4°C	Very cold	Down coat, padded parka or a heavy double-faced wool coat
Below 0°C	Freezing	Long down coat with a hood