Monthly weather averages & travel planning

Asia › 🇨🇳 China › Shenzhen
Updated: March 2026
May is a fair time to visit Shenzhen (4/10). With 9 daily sunshine hours and only 20 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 4th sunniest of the year in Shenzhen. May suits travellers visiting for indoor culture, food, and architecture rather than outdoor activities. Pack accordingly for 20 potential rain days. June offers a similar profile at lower hotel rates if dates are flexible. Watch out for prolonged rain stretches: with 20 wet days, a fully outdoor itinerary is risky. Build in museum days and covered market visits as contingency. Planning tips: most accommodation categories have availability, and last-minute deals are common. The quieter streets and shorter queues can make this a genuinely enjoyable time to visit for the right type of traveller. Budget-conscious visitors will find the best value of the year in this period.
The single most important thing to know about visiting Shenzhen in May: rain is a genuine factor across 20 days of the month, meaning your plans need built-in indoor alternatives. Precipitation totals 233mm for the month, spread across roughly 20 days, and 9 sunshine hours per day give you a reliable window for outdoor plans.
29°C
84°F
Avg High
24°C
75°F
Avg Low
20 days
233 mm total
Rain Days
9h
per day avg
Sunshine
78%
Humid
Humidity
The narrow 5°C gap between daytime and overnight temperatures, characteristic of coastal cities with maritime moderation, means a single mid-layer works across the whole day. At 78% humidity, the 29°C daytime high feels 2-4°C warmer in practice: quick-dry fabrics and shade-seeking between noon and 3pm are the sensible response. UV index averages 9 this month, classed as high to very high. SPF 30+ sunscreen, a brim hat, and sunglasses are not optional between 10am and 4pm. Wind averages 16 km/h, light enough to be refreshing on warm days but noticeable in open coastal areas or elevated viewpoints. In Fahrenheit: 84°F average high, 75°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).
Packing for Shenzhen in May means dressing for 29°C days and 24°C evenings. A lightweight linen or cotton shirt with loose-fit trousers or a sundress handles the 29°C daytime heat. Evening temperatures settle at 24°C, a modest 5°C drop that a light cardigan or denim jacket covers. For footwear, breathable walking sandals work for casual exploration, but closed-toe trainers are better for uneven surfaces in the historic centre. With 20 rain days expected, a compact travel umbrella is worth the bag space. A waterproof jacket is better than an umbrella if you plan full-day outdoor routes. For temple and religious site visits, carry a lightweight scarf or sarong to cover shoulders and knees, required at most major sites across the region. At 78% average humidity, quick-dry synthetic or bamboo fabrics dry overnight and stay comfortable longer than cotton.
Local tip: Loose-weave linen and moisture-wicking fabrics are the practical choice in Shenzhen's heat and humidity. Many shopping centres run air conditioning at near-arctic levels, so a thin layer in your bag prevents discomfort indoors.
May has no major festivals or public holidays in Shenzhen, which is one of its practical advantages for independent travellers. Attractions run at lower capacity than during peak event periods, queues are shorter, and accommodation is easier to find without needing to book many months in advance. Local restaurants, markets, and transport operate at a relaxed pace, making this an ideal time for visitors who prefer a more authentic, unhurried experience of everyday city life rather than large crowds drawn in by a single major headline event.
Based on 29°C average highs and 20 rainy days
In May, Shenzhen sits in the dry season corridor, as the ITCZ shifts away from the region and trade winds bring drier, more stable air. This produces reliably sunny days reaching 29°C, with lower humidity than the wet months. Overnight lows of 24°C offer a pleasant reprieve from the midday heat. Climate data: Open-Meteo ERA5 (1991–2020).
Sunshine Hours
The average number of hours per day with direct sunlight. Calculated from satellite measurements. Days with more than 7 hours of sunshine are ideal for outdoor activities. Under 3 hours means overcast conditions dominate.
UV Index
A scale from 0-11+ measuring ultraviolet radiation intensity. UV 0-2: Minimal risk. UV 3-5: Moderate, wear sunscreen. UV 6-7: High, hat and SPF 30+ essential. UV 8-10: Very High, limit midday exposure. UV 11+: Extreme, seek shade between 10am-4pm.
Rain Days
A rain day is counted when precipitation exceeds 0.1mm. This threshold captures even light drizzle. Unlike total rainfall in mm, rain days tells you how often you might need an umbrella, which is useful for planning outdoor activities.
Humidity
Relative humidity as a percentage. Below 40%: Dry, skin and throat may feel parched. 40-60%: Comfortable, ideal for most people. 60-80%: Sticky, light breathable fabrics recommended. Above 80%: Muggy, heat feels more intense; quick-dry clothing is essential.
Shenzhen in May
May ranks 4th sunniest of the year in Shenzhen, with an average 9 daily sunshine hours. The driest months are December, January, and November. July is the hottest month (31°C avg high); January is the coolest (19°C). From here, temperatures rise 1°C into June. Compared to last month (April: 26°C high, 14 rain days), May is warmer and wetter. May sits in the middle of the annual sunshine ranking for Shenzhen, offering a reasonable balance of good weather and manageable crowds.
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 19°C | 12°C | 5 | 8h | View |
| February | 21°C | 14°C | 8 | 7h | View |
| March | 23°C | 17°C | 11 | 7h | View |
| April | 26°C | 21°C | 14 | 8h | View |
| May | 29°C | 24°C | 20 | 9h | View |
| June | 30°C | 26°C | 23 | 9h | View |
| July | 31°C | 26°C | 22 | 10h | View |
| August | 31°C | 26°C | 24 | 9h | View |
| September | 30°C | 25°C | 17 | 10h | View |
| October | 28°C | 22°C | 7 | 10h | View |
| November | 25°C | 18°C | 5 | 9h | View |
| December | 21°C | 13°C | 4 | 8h | View |
January
5 rain days, 8h sun
February
8 rain days, 7h sun
March
11 rain days, 7h sun
April
14 rain days, 8h sun
May
20 rain days, 9h sun
June
23 rain days, 9h sun
July
22 rain days, 10h sun
August
24 rain days, 9h sun
September
17 rain days, 10h sun
October
7 rain days, 10h sun
November
5 rain days, 9h sun
December
4 rain days, 8h sun
Cities within 500 km with comparable weather conditions
Data Sources for Shenzhen
Climate normals represent 30-year averages (1991-2020). Individual years may vary.