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Wenchang, 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 Wenchang, Hainan?
Wenchang, Hainan gets 2156 mm of precipitation a year over about 150 rainy days. June is the warmest month (average high 33°C) and January the coldest (average low 17°C).
Tropical monsoon climate
Wenchang, Hainan has hot summers and warm winters. Daytime highs range from about 23°C in January to 34°C in June. October is usually the wettest month. The most comfortable time to visit is typically January to February and December, when daytime highs sit near 24°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 17° | 24° |
| Spring | Mar–May | 23° | 30° |
| Summer | Jun–Aug | 26° | 33° |
| Autumn | Sep–Nov | 23° | 29° |
How much rain does Wenchang get?
Wenchang gets 2156 mm of precipitation in an average year, spread over about 150 days with measurable rain. That is more rainy days than 90% of China.
October is the wettest month, with 424 mm. January is the driest, with 41 mm. August has the most rainy days, about 17.
The longest dry spell in the last five years lasted 34 days, to March 25, 2023.
Wenchang weather by month
Wenchang weather in January
In January, Wenchang averages a high of 23°C and a low of 17°C. It gets 41 mm of precipitation over about 10 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The January record high is 33°C (1980) and the record low is 6°C (1974). January is one of the most comfortable months to visit.
Wenchang weather in February
In February, Wenchang averages a high of 24°C and a low of 18°C. It gets 51 mm of precipitation over about 10 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The February record high is 35°C (1979) and the record low is 7°C (1972). February is one of the most comfortable months to visit.
Wenchang weather in March
In March, Wenchang averages a high of 27°C and a low of 21°C. It gets 64 mm of precipitation over about 9 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The March record high is 34°C (2022) and the record low is 6°C (1986).
Wenchang weather in April
In April, Wenchang averages a high of 30°C and a low of 23°C. It gets 122 mm of precipitation over about 10 rainy days. Estimated sunshine is 47% of daylight hours, derived from ERA5 cloud cover. The April record high is 38°C (2024) and the record low is 14°C (1991).
Wenchang weather in May
In May, Wenchang averages a high of 33°C and a low of 25°C. It gets 216 mm of precipitation over about 13 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The May record high is 39°C (2010) and the record low is 16°C (1984).
Wenchang weather in June
In June, Wenchang averages a high of 33°C and a low of 26°C. It gets 174 mm of precipitation over about 13 rainy days. Estimated sunshine is 18% of daylight hours, derived from ERA5 cloud cover. The June record high is 39°C (2006) and the record low is 21°C (1988).
Wenchang weather in July
In July, Wenchang averages a high of 33°C and a low of 26°C. It gets 191 mm of precipitation over about 13 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The July record high is 39°C (2005) and the record low is 21°C (1975).
Wenchang weather in August
In August, Wenchang averages a high of 33°C and a low of 25°C. It gets 283 mm of precipitation over about 17 rainy days. Estimated sunshine is 23% of daylight hours, derived from ERA5 cloud cover. The August record high is 38°C (2017) and the record low is 21°C (1972).
Wenchang weather in September
In September, Wenchang averages a high of 32°C and a low of 24°C. It gets 377 mm of precipitation over about 17 rainy days. Estimated sunshine is 26% of daylight hours, derived from ERA5 cloud cover. The September record high is 37°C (2011) and the record low is 19°C (1986).
Wenchang weather in October
In October, Wenchang averages a high of 29°C and a low of 23°C. It gets 424 mm of precipitation over about 15 rainy days. Estimated sunshine is 25% of daylight hours, derived from ERA5 cloud cover. The October record high is 36°C (2024) and the record low is 14°C (1991).
Wenchang weather in November
In November, Wenchang averages a high of 27°C and a low of 21°C. It gets 124 mm of precipitation over about 12 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The November record high is 34°C (2012) and the record low is 9°C (1975).
Wenchang weather in December
In December, Wenchang averages a high of 24°C and a low of 18°C. It gets 88 mm of precipitation over about 11 rainy days. Estimated sunshine is 27% of daylight hours, derived from ERA5 cloud cover. The December record high is 31°C (1974) and the record low is 6°C (1975). December is one of the most comfortable months to visit.
Sunshine, humidity and wind in Wenchang
April is the sunniest month in Wenchang, with estimated sunshine of 47% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 18%. The annual cloud-cover estimate is 33% of daylight hours; it is not a measurement of sunshine duration. Wenchang is cloudier than 84% of China.
Humidity peaks in March at 83% and is lowest in December at 76%.
Wenchang has about 110 days a year above 32°C. Wenchang is hotter than 99% of China.
Wenchang weather records
These records cover QIONGHAI during 1970–2025. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Wenchang station is 39°C, on July 20, 2005. The coldest is 6°C, on December 15, 1975.
The wettest day in the available station history brought 615 mm of precipitation, on October 5, 2010.
35 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.3°C per decade since 1970.
The best time to visit Wenchang
The most comfortable time to visit is typically January to February and December, when daytime highs sit near 24°C.
Winter (December–February) is warm, with average highs around 24°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 | 17° | 23° | 41 mm | 10 | 80% | 37% | 33° | 6° |
| February | 18° | 24° | 51 mm | 10 | 82% | 40% | 35° | 7° |
| March | 21° | 27° | 64 mm | 9 | 83% | 43% | 34° | 6° |
| April | 23° | 30° | 122 mm | 10 | 82% | 47% | 38° | 14° |
| May | 25° | 33° | 216 mm | 13 | 82% | 34% | 39° | 16° |
| June | 26° | 33° | 174 mm | 13 | 82% | 18% | 39° | 21° |
| July | 26° | 33° | 191 mm | 13 | 80% | 34% | 39° | 21° |
| August | 25° | 33° | 283 mm | 17 | 82% | 23% | 38° | 21° |
| September | 24° | 32° | 377 mm | 17 | 83% | 26% | 37° | 19° |
| October | 23° | 29° | 424 mm | 15 | 81% | 25% | 36° | 14° |
| November | 21° | 27° | 124 mm | 12 | 80% | 39% | 34° | 9° |
| December | 18° | 24° | 88 mm | 11 | 76% | 27% | 31° | 6° |
Station: QIONGHAI, 50 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2025; 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.
Wenchang climate questions
How much rain does Wenchang get?
Wenchang gets 2156 mm of precipitation in an average year, over about 150 rainy days.
What is the wettest month in Wenchang?
October is the wettest month in Wenchang, with 424 mm. January is the driest, with 41 mm.
How many rainy days does Wenchang have a year?
Wenchang has about 150 days with measurable rain in an average year. August has the most, about 17.
What is the hottest month in Wenchang?
June is the warmest month in Wenchang, with an average high of 33°C.
What is the coldest month in Wenchang?
January is the coldest month in Wenchang, with an average low of 17°C.
What is the record high temperature in Wenchang?
Within the available 1970–2025 station history, the record high at the Wenchang station is 39°C, set on July 20, 2005. The record low is 6°C, on December 15, 1975.
What is the sunniest month in Wenchang?
April is the sunniest month in Wenchang, with estimated sunshine of 47% of daylight hours from ERA5 cloud cover. June is the cloudiest.
What is the best time to visit Wenchang?
The most comfortable time to visit is typically January to February and December, when daytime highs sit near 24°C.