Our verdict
The best time to visit Sanya is September-October
The warmest month of the year in Sanya is June, where the average temperature gets to around 33℃ (92℉), but temperatures can reach as high as 36℃ (97℉) on the hottest days in summer. In the winter months, it can get down to as low as 12℃ (54℉) at night.
The days are longest in Sanya in May, so if you want to see the sights during the day when the sun is up for the longest time, it’s best to visit around that time of year. August sees the most amount of rain in a month if you’re ok with chancing getting drenched, so if you’re looking to stay dry, visit in February instead.
Learn everything you need to know (and none of the stuff you don’t) about when to go to Sanya below. Be sure to check out the handy tools we’ve included to help you search for flights and transport, accommodation, and everything else you need to plan and book your trip.
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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Sanya seasons
Before you continue, it’s important to know when the seasons are in Sanya as they might be different to yours depending on where in the world you’re travelling from. Sanya is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in Sanya
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Sanya for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Sanya climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Sanya for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Sanya in January
- Average temperature: 18℃ (65℉)
- Average high temperature: 22℃ (72℉)
- Average low temperature: 15℃ (59℉)
- Average humidity: 86%
- Average sunny days: 10 days
- Average rainfall: 22mm (1") over 17 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Sanya in January, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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Sanya in February
- Average temperature: 21℃ (69℉)
- Average high temperature: 26℃ (78℉)
- Average low temperature: 17℃ (62℉)
- Average humidity: 79%
- Average sunny days: 11 days
- Average rainfall: 15mm (1") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Sanya in February, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Sanya in March
- Average temperature: 24℃ (75℉)
- Average high temperature: 29℃ (85℉)
- Average low temperature: 19℃ (67℉)
- Average humidity: 77%
- Average sunny days: 11 days
- Average rainfall: 41mm (2") over 17 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Sanya in March, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Sanya in April
- Average temperature: 26℃ (79℉)
- Average high temperature: 31℃ (89℉)
- Average low temperature: 22℃ (71℉)
- Average humidity: 79%
- Average sunny days: 8 days
- Average rainfall: 86mm (3") over 21 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Sanya in April, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.
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Sanya in May
- Average temperature: 28℃ (83℉)
- Average high temperature: 33℃ (92℉)
- Average low temperature: 24℃ (74℉)
- Average humidity: 79%
- Average sunny days: 8 days
- Average rainfall: 137mm (5") over 22 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Sanya in May, make sure you pack t-shirts and shorts.. It stays warm all day and night.
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Sanya in June
- Average temperature: 28℃ (83℉)
- Average high temperature: 33℃ (92℉)
- Average low temperature: 24℃ (76℉)
- Average humidity: 80%
- Average sunny days: 11 days
- Average rainfall: 79mm (3") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Sanya in June, make sure you pack t-shirts and shorts.. It stays warm all day and night.
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Sanya in July
- Average temperature: 28℃ (82℉)
- Average high temperature: 33℃ (90℉)
- Average low temperature: 24℃ (75℉)
- Average humidity: 82%
- Average sunny days: 11 days
- Average rainfall: 94mm (4") over 19 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Sanya in July, make sure you pack t-shirts and shorts.. It stays warm all day and night.
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Sanya in August
- Average temperature: 27℃ (81℉)
- Average high temperature: 32℃ (90℉)
- Average low temperature: 24℃ (75℉)
- Average humidity: 84%
- Average sunny days: 9 days
- Average rainfall: 157mm (6") over 21 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Sanya in August, make sure you pack t-shirts and shorts.. It stays warm all day and night.
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Sanya in September
- Average temperature: 26℃ (80℉)
- Average high temperature: 31℃ (87℉)
- Average low temperature: 23℃ (73℉)
- Average humidity: 85%
- Average sunny days: 10 days
- Average rainfall: 102mm (4") over 19 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Sanya in September, make sure you pack t-shirts and shorts.. It stays warm all day and night.
Sanya in October
- Average temperature: 25℃ (76℉)
- Average high temperature: 29℃ (83℉)
- Average low temperature: 21℃ (70℉)
- Average humidity: 85%
- Average sunny days: 11 days
- Average rainfall: 94mm (4") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Sanya in October, make sure you pack t-shirts and light clothing.
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Sanya in November
- Average temperature: 22℃ (72℉)
- Average high temperature: 26℃ (79℉)
- Average low temperature: 19℃ (67℉)
- Average humidity: 87%
- Average sunny days: 8 days
- Average rainfall: 46mm (2") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Sanya in November, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Sanya in December
- Average temperature: 19℃ (66℉)
- Average high temperature: 23℃ (73℉)
- Average low temperature: 16℃ (61℉)
- Average humidity: 84%
- Average sunny days: 11 days
- Average rainfall: 28mm (1") over 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Sanya in December, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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