- WinterDec–Feb11°19°
- December11°20°
- January9°18°
- February12°20°
- SpringMar–May18°26°
- March14°22°
- April19°26°
- May22°30°
- SummerJun–Aug25°33°
- June24°32°
- July26°33°
- August25°33°
- AutumnSep–Nov20°29°
- September24°32°
- October20°29°
- November16°25°
Heyuan, Guangdong Weather by Month and Climate Averages
Heyuan, Guangdong gets 1953 mm of precipitation a year over about 140 rainy days. July is the warmest month (average high 33°C) and January the coldest (average low 9°C).
Heyuan climate at a glance
Heyuan, Guangdong has hot summers and mild winters. Daytime highs range from about 18°C in January to 34°C in July. June is usually the wettest month. The most comfortable time to visit is typically January to April and November to December, when daytime highs sit near 22°C.
How much rain does Heyuan get?
Heyuan gets 1953 mm of precipitation in an average year, spread over about 140 days with measurable rain. That is more rainy days than 80% of China.
June is the wettest month, with 403 mm. November is the driest, with 43 mm. June has the most rainy days, about 19.
The longest dry spell in the last five years lasted 38 days, to March 23, 2023.
Heyuan weather by month
Heyuan weather in January
In January, Heyuan averages a high of 18°C and a low of 9°C. It gets 63 mm of precipitation over about 7 rainy days. The sun is out about 48% of daylight hours. The January record high is 29°C (2020) and the record low is -1°C (2024). January is one of the most comfortable months to visit.
Heyuan weather in February
In February, Heyuan averages a high of 20°C and a low of 12°C. It gets 71 mm of precipitation over about 10 rainy days. The sun is out about 41% of daylight hours. The February record high is 31°C (2024) and the record low is 1°C (1972). February is one of the most comfortable months to visit.
Heyuan weather in March
In March, Heyuan averages a high of 22°C and a low of 14°C. It gets 158 mm of precipitation over about 14 rainy days. The sun is out about 32% of daylight hours. The March record high is 33°C (1999) and the record low is 2°C (1986). March is one of the most comfortable months to visit.
Heyuan weather in April
In April, Heyuan averages a high of 26°C and a low of 19°C. It gets 224 mm of precipitation over about 15 rainy days. The sun is out about 30% of daylight hours. The April record high is 36°C (2021) and the record low is 8°C (1996). April is one of the most comfortable months to visit.
Heyuan weather in May
In May, Heyuan averages a high of 30°C and a low of 22°C. It gets 293 mm of precipitation over about 17 rainy days. The sun is out about 21% of daylight hours. The May record high is 39°C (2023) and the record low is 13°C (1981).
Heyuan weather in June
In June, Heyuan averages a high of 32°C and a low of 24°C. It gets 403 mm of precipitation over about 19 rainy days. The sun is out about 11% of daylight hours. The June record high is 38°C (2004) and the record low is 18°C (2010).
Heyuan weather in July
In July, Heyuan averages a high of 33°C and a low of 26°C. It gets 215 mm of precipitation over about 16 rainy days. The sun is out about 29% of daylight hours. The July record high is 39°C (2004) and the record low is 18°C (1992).
Heyuan weather in August
In August, Heyuan averages a high of 33°C and a low of 25°C. It gets 247 mm of precipitation over about 17 rainy days. The sun is out about 24% of daylight hours. The August record high is 39°C (1990) and the record low is 21°C (1974).
Heyuan weather in September
In September, Heyuan averages a high of 32°C and a low of 24°C. It gets 143 mm of precipitation over about 11 rainy days. The sun is out about 39% of daylight hours. The September record high is 38°C (1990) and the record low is 16°C (1970).
Heyuan weather in October
In October, Heyuan averages a high of 29°C and a low of 20°C. It gets 44 mm of precipitation over about 4 rainy days. The sun is out about 47% of daylight hours. The October record high is 37°C (2005) and the record low is 8°C (1978).
Heyuan weather in November
In November, Heyuan averages a high of 25°C and a low of 16°C. It gets 43 mm of precipitation over about 6 rainy days. The sun is out about 51% of daylight hours. The November record high is 34°C (1996) and the record low is 3°C (1975). November is one of the most comfortable months to visit.
Heyuan weather in December
In December, Heyuan averages a high of 20°C and a low of 11°C. It gets 51 mm of precipitation over about 6 rainy days. The sun is out about 55% of daylight hours. The December record high is 31°C (2023) and the record low is -2°C (2010). December is one of the most comfortable months to visit.
Sunshine, humidity and wind in Heyuan
December is the sunniest month in Heyuan, with sunshine about 55% of daylight hours. June is the cloudiest, at 11%. Over the year the sun shines about 36% of daylight hours. Heyuan is cloudier than 75% of China.
Humidity peaks in June at 84% and is lowest in January at 65%.
Heyuan has about 86 days a year above 32°C. Heyuan is hotter than 93% of China.
Heyuan weather records
The hottest temperature on record at the Heyuan station is 39°C, on May 30, 2023. The coldest is -2°C, on December 17, 2010.
The wettest day on record brought 263 mm of rain, on July 30, 2008.
40 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 Heyuan
The most comfortable time to visit is typically January to April and November to December, when daytime highs sit near 22°C.
Winter (December–February) is mild, with average highs around 19°C and lows near 10°C.
Spring (March–May) is warm, with average highs around 26°C and lows near 19°C.
Summer (June–August) is hot, with average highs around 33°C and lows near 25°C. It can feel humid.
Autumn (September–November) is hot, with average highs around 29°C and lows near 20°C.
Monthly climate
| Month | Precip | Rain days | Humidity | Sunshine | Record high | Record low |
|---|---|---|---|---|---|---|
| January | 63 mm | 7 | 65% | 48% | 29° | -1° |
| February | 71 mm | 10 | 72% | 41% | 31° | 1° |
| March | 158 mm | 14 | 75% | 32% | 33° | 2° |
| April | 224 mm | 15 | 77% | 30% | 36° | 8° |
| May | 293 mm | 17 | 80% | 21% | 39° | 13° |
| June | 403 mm | 19 | 84% | 11% | 38° | 18° |
| July | 215 mm | 16 | 78% | 29% | 39° | 18° |
| August | 247 mm | 17 | 83% | 24% | 39° | 21° |
| September | 143 mm | 11 | 79% | 39% | 38° | 16° |
| October | 44 mm | 4 | 68% | 47% | 37° | 8° |
| November | 43 mm | 6 | 70% | 51% | 34° | 3° |
| December | 51 mm | 6 | 65% | 55% | 31° | -2° |
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Heyuan climate questions
How much rain does Heyuan get?
Heyuan gets 1953 mm of precipitation in an average year, over about 140 rainy days.
What is the wettest month in Heyuan?
June is the wettest month in Heyuan, with 403 mm. November is the driest, with 43 mm.
How many rainy days does Heyuan have a year?
Heyuan has about 140 days with measurable rain in an average year. June has the most, about 19.
What is the hottest month in Heyuan?
July is the warmest month in Heyuan, with an average high of 33°C.
What is the coldest month in Heyuan?
January is the coldest month in Heyuan, with an average low of 9°C.
What is the record high temperature in Heyuan?
The record high at the Heyuan station is 39°C, set on May 30, 2023. The record low is -2°C, on December 17, 2010.
What is the sunniest month in Heyuan?
December is the sunniest month in Heyuan, with sunshine about 55% of daylight hours. June is the cloudiest.
What is the best time to visit Heyuan?
The most comfortable time to visit is typically January to April and November to December, when daytime highs sit near 22°C.
Source: NOAA GHCN-Daily station HEYUAN (9 km away).
Climate for places near Heyuan, Guangdong
Normals from NOAA GHCN-Daily station HEYUAN.