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Xiuying, Hainan Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Xiuying, Hainan?
Xiuying, Hainan gets 1733 mm of precipitation a year over about 130 rainy days. June is the warmest month (average high 33°C) and January the coldest (average low 16°C).
Tropical savanna climate
Xiuying, Hainan has hot summers and warm winters. Daytime highs range from about 21°C in January to 33°C in June. September is usually the wettest month. The most comfortable time to visit is typically January to March and November to December, when daytime highs sit near 24°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 17° | 22° |
| Spring | Mar–May | 23° | 29° |
| Summer | Jun–Aug | 26° | 33° |
| Autumn | Sep–Nov | 23° | 29° |
How much rain does Xiuying get?
Xiuying gets 1733 mm of precipitation in an average year, spread over about 130 days with measurable rain. That is more rainy days than 74% of China.
September is the wettest month, with 275 mm. January is the driest, with 24 mm. July has the most rainy days, about 16.
The longest dry spell in the last five years lasted 33 days, to January 21, 2024.
From October 2025 to September 2026 Xiuying got 677 mm of rain, against a normal of 1733 mm for those months. July 2026 had the most, with 486 mm.
Xiuying weather by month
Xiuying weather in January
In January, Xiuying averages a high of 21°C and a low of 16°C. It gets 24 mm of precipitation over about 7 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The January record high is 33°C (1980) and the record low is 5°C (1974). January is one of the most comfortable months to visit.
Xiuying weather in February
In February, Xiuying averages a high of 23°C and a low of 17°C. It gets 30 mm of precipitation over about 9 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The February record high is 37°C (1979) and the record low is 7°C (1984). February is one of the most comfortable months to visit.
Xiuying weather in March
In March, Xiuying averages a high of 27°C and a low of 20°C. It gets 45 mm of precipitation over about 9 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The March record high is 38°C (1999) and the record low is 7°C (1986). March is one of the most comfortable months to visit.
Xiuying weather in April
In April, Xiuying averages a high of 30°C and a low of 23°C. It gets 80 mm of precipitation over about 9 rainy days. Estimated sunshine is 51% of daylight hours, derived from ERA5 cloud cover. The April record high is 41°C (2024) and the record low is 14°C (1970).
Xiuying weather in May
In May, Xiuying averages a high of 32°C and a low of 25°C. It gets 191 mm of precipitation over about 14 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The May record high is 39°C (2023) and the record low is 16°C (1984).
Xiuying weather in June
In June, Xiuying averages a high of 33°C and a low of 26°C. It gets 216 mm of precipitation over about 15 rainy days. Estimated sunshine is 17% of daylight hours, derived from ERA5 cloud cover. The June record high is 38°C (1977) and the record low is 21°C (1983).
Xiuying weather in July
In July, Xiuying averages a high of 33°C and a low of 26°C. It gets 260 mm of precipitation over about 16 rainy days. Estimated sunshine is 35% of daylight hours, derived from ERA5 cloud cover. The July record high is 38°C (1996) and the record low is 21°C (1985).
Xiuying weather in August
In August, Xiuying averages a high of 32°C and a low of 26°C. It gets 260 mm of precipitation over about 14 rainy days. Estimated sunshine is 24% of daylight hours, derived from ERA5 cloud cover. The August record high is 37°C (1977) and the record low is 22°C (1972).
Xiuying weather in September
In September, Xiuying averages a high of 31°C and a low of 25°C. It gets 275 mm of precipitation over about 13 rainy days. Estimated sunshine is 30% of daylight hours, derived from ERA5 cloud cover. The September record high is 36°C (1988) and the record low is 19°C (1997).
Xiuying weather in October
In October, Xiuying averages a high of 29°C and a low of 23°C. It gets 253 mm of precipitation over about 9 rainy days. Estimated sunshine is 31% of daylight hours, derived from ERA5 cloud cover. The October record high is 34°C (1974) and the record low is 16°C (1978).
Xiuying weather in November
In November, Xiuying averages a high of 26°C and a low of 21°C. It gets 56 mm of precipitation over about 8 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The November record high is 34°C (1997) and the record low is 10°C (1987). November is one of the most comfortable months to visit.
Xiuying weather in December
In December, Xiuying averages a high of 23°C and a low of 18°C. It gets 41 mm of precipitation over about 8 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The December record high is 31°C (2012) and the record low is 6°C (1975). December is one of the most comfortable months to visit.
Sunshine, humidity and wind in Xiuying
April is the sunniest month in Xiuying, with estimated sunshine of 51% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 17%. The annual cloud-cover estimate is 36% of daylight hours; it is not a measurement of sunshine duration. Xiuying is cloudier than 74% of China.
Humidity peaks in February at 84% and is lowest in December at 76%.
Xiuying has about 92 days a year above 32°C. Xiuying is hotter than 97% of China.
Xiuying weather records
These records cover HAIKOU during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Xiuying station is 41°C, on April 30, 2024. The coldest is 5°C, on January 2, 1974.
The wettest day in the available station history brought 391 mm of precipitation, on July 18, 2014.
39 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.2°C per decade since 1970.
The best time to visit Xiuying
The most comfortable time to visit is typically January to March and November to December, when daytime highs sit near 24°C.
Winter (December–February) is warm, with average highs around 22°C and lows near 17°C.
Spring (March–May) is hot, with average highs around 30°C and lows near 23°C.
Summer (June–August) is hot, with average highs around 33°C and lows near 26°C. It can feel humid.
Autumn (September–November) is hot, with average highs around 29°C and lows near 23°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 16° | 21° | 24 mm | 7 | 82% | 40% | 33° | 5° |
| February | 17° | 23° | 30 mm | 9 | 84% | 40% | 37° | 7° |
| March | 20° | 27° | 45 mm | 9 | 84% | 44% | 38° | 7° |
| April | 23° | 30° | 80 mm | 9 | 82% | 51% | 41° | 14° |
| May | 25° | 32° | 191 mm | 14 | 83% | 36% | 39° | 16° |
| June | 26° | 33° | 216 mm | 15 | 81% | 17% | 38° | 21° |
| July | 26° | 33° | 260 mm | 16 | 79% | 35% | 38° | 21° |
| August | 26° | 32° | 260 mm | 14 | 81% | 24% | 37° | 22° |
| September | 25° | 31° | 275 mm | 13 | 83% | 30% | 36° | 19° |
| October | 23° | 29° | 253 mm | 9 | 80% | 31% | 34° | 16° |
| November | 21° | 26° | 56 mm | 8 | 79% | 46% | 34° | 10° |
| December | 18° | 23° | 41 mm | 8 | 76% | 36% | 31° | 6° |
Station: HAIKOU, 5 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Xiuying climate questions
How much rain does Xiuying get?
Xiuying gets 1733 mm of precipitation in an average year, over about 130 rainy days.
What is the wettest month in Xiuying?
September is the wettest month in Xiuying, with 275 mm. January is the driest, with 24 mm.
How many rainy days does Xiuying have a year?
Xiuying has about 130 days with measurable rain in an average year. July has the most, about 16.
What is the hottest month in Xiuying?
June is the warmest month in Xiuying, with an average high of 33°C.
What is the coldest month in Xiuying?
January is the coldest month in Xiuying, with an average low of 16°C.
What is the record high temperature in Xiuying?
Within the available 1970–2026 station history, the record high at the Xiuying station is 41°C, set on April 30, 2024. The record low is 5°C, on January 2, 1974.
What is the sunniest month in Xiuying?
April is the sunniest month in Xiuying, with estimated sunshine of 51% of daylight hours from ERA5 cloud cover. June is the cloudiest.
What is the best time to visit Xiuying?
The most comfortable time to visit is typically January to March and November to December, when daytime highs sit near 24°C.