2026 Zhoushan Weather Guide: Monthly Temperatures and Clothing Tips

Zhoushan Annual Weather Overview

January: 5°C (41°F) – 9°C (48°F)
February: ~6°C (43°F) – ~10°C (50°F)
March: ~9°C (48°F) – ~15°C (59°F)
April: ~13°C (55°F) – ~20°C (68°F)
May: ~18°C (64°F) – ~25°C (77°F)
June: ~21°C (70°F) – ~28°C (82°F)
July: ~24°C (75°F) – ~32°C (90°F)
August: ~25°C (77°F) – ~30 – 32°C (86–90°F)
September: ~22°C (72°F) – ~28°C (82°F)
October: ~18°C (64°F) – ~24°C (75°F)
November: ~13°C (55°F) – ~19°C (66°F)
December: ~8°C (46°F) – ~14°C (57°F)

Season: Winter
Average Temperature: Low ~ 41°F, High ~ 48°F (5–9°C)
Clothing Suggestions: Warm coat, sweater or fleece, scarf — bring a windbreaker for coastal breeze.
Do You Need an Umbrella?: Light to moderate rainfall possible; advisable to carry rain protection

Season: Late Winter → Early Spring
Average Temperature: Low ~ 43°F, High ~ 50°F (~6–10°C)
Clothing Suggestions: Medium coat or jacket, layers such as long-sleeve shirts and sweater.
Do You Need an Umbrella?: Rain possible; a compact umbrella is useful.

Season: Spring
Average Temperature: Low ~ 48°F, High ~ 59°F (9–15°C)
Clothing Suggestions: Light jacket, sweater; layers recommended as temperatures vary.
Do You Need an Umbrella?: Occasional showers; good to have an umbrella on hand.

Season: Spring
Average Temperature: Low ~ 55°F, High ~ 68°F (13–20°C)
Clothing Suggestions: Light jacket, long-sleeve shirts or T-shirt depending on daytime.
Do You Need an Umbrella?: Rain increases; bring a light umbrella or raincoat.

Season: Late Spring → Early Summer
Average Temperature: Low ~ 64°F, High ~ 77°F (18–25°C)
Clothing Suggestions: Long-sleeve or short-sleeve shirts, light pants, possibly a windbreaker for breezy coast.
Do You Need an Umbrella?: Some rainfall; handy to carry rain protection.

Season: Summer
Average Temperature: Low ~ 70°F, High ~ 82°F (21–28°C)
Clothing Suggestions: Lightweight clothes, moisture-wicking fabrics; waterproof shoes advised if planning outdoor or coastal activities.
Do You Need an Umbrella?: Yes — June tends to be wet. Rain gear recommended.

Season: Summer
Average Temperature: Low ~ 75°F, High ~ 90°F (24–32°C)
Clothing Suggestions: Shorts, T-shirts, light breathable fabrics; sun hat and sunglasses for coastal sun.
Do You Need an Umbrella?: Yes — for rain or strong sun. Typhoon season begins, so check weather updates.

Season: Summer
Average Temperature: Low ~ 77°F, High ~ 86–90°F (25–30/32°C)
Clothing Suggestions: Breathable, lightweight clothes; be ready for sudden showers.
Do You Need an Umbrella?: Definitely — for rain and possibly typhoon-related showers.

Season: Early Autumn
Average Temperature: Low ~ 72°F, High ~ 82°F (22–28°C)
Clothing Suggestions: Light shirts or long-sleeve, shorts or light pants depending on time of day.
Do You Need an Umbrella?: Rain less frequent but possible; lightweight rain jacket or umbrella recommended.

Season: Autumn
Average Temperature: Low ~ 64°F, High ~ 75°F (18–24°C)
Clothing Suggestions: Long-sleeve shirts, light jacket — comfortable for daytime activities.
Do You Need an Umbrella?: Rain unlikely but carry a folded umbrella if you plan outdoor excursions.

Season: Autumn
Average Temperature: Low ~ 55°F, High ~ 66°F (13–19°C)
Clothing Suggestions: Light jacket, sweater or layers to adapt to changing day/night temps.
Do You Need an Umbrella?: Rain chances lower, but a small umbrella won’t hurt.

Season: Winter
Average Temperature: Low ~ 46°F, High ~ 57°F (8–14°C)
Clothing Suggestions: Warm coat, scarf, maybe gloves — especially for coastal wind.
Do You Need an Umbrella?: Occasionally useful; rain still possible.

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