Climate and monthly weather forecastHeyuan, China
Climate and monthly weather forecast
The climate of Heyuan
Heyuan, located in the People's Republic of China, is characterized by a Cwa Köppen climate classification. This denotes a humid subtropical climate, accompanying a dry winter period. The geographical position of Heyuan contributes significantly to this climate type.A review of the yearly climatic patterns shows distinct weather trends throughout the year. Temperatures climb steadily from a minimal average of 8.6°C (47.5°F) in January to a peak of 31.8°C (89.2°F) in July and August; followed by a decrease into the closing months of the year. Humidity also sees a similar trend, starting at 72% in January and peaking at 86% in June before dipping.
Rainfall in Heyuan exhibits an interesting pattern. The city endures less rainfall at the start and end of the year, with January seeing 38mm (1.5") of rainfall and December 29mm (1.14"). However, the peak rainy period is in the middle of the year from May to August, with recorded rainfall measurements hitting 201mm (7.91") and 188mm (7.4") in May and June respectively.
Regarding unique weather phenomenon happening in Heyuan, the city experiences virtually no snowfall throughout the year, along with a consistent 9 km visibility range.
The best time to visit Heyuan
Considering factors such as temperature, rainfall, and daylight hours, the best time to travel to Heyuan would be from September to November. During this period, temperatures moderately range from 30.5°C (86.9°F) to 23.8°C (74.8°F) with decreasing rates of rainfall hitting 117mm (4.61") in September and considerably dropping down to 37mm (1.46") in November. These months also correspond to increased durations of daily sunshine, peaking at 7.9 hours in September.The worst time to visit Heyuan
Visiting Heyuan between May to August would be less advisable due to the heavy rainfall experienced during this period. Rainfall ranges from 172mm (6.77") to 201mm (7.91") and the relative humidity stands at a peak of 86% in June. Although these months come with high temperatures, the intensity of the rain combined with the humidity might create discomfort for visitors.Spring weather in Heyuan
Spring in Heyuan extends from March to May. Temperatures during these months are relatively warm with highs ranging from 21.9°C (71.4°F) to 29°C (84.2°F). Rainfall during this season is relatively high, peaking at 201mm (7.91") in May. Moreover, average daylight stands approximately from 12 hours to 13.3 hours, providing ample time for outdoor activities.Summer weather in Heyuan
June to August marks summer in Heyuan. This period is characterized by high temperatures of up to 31.8°C (89.2°F), and high rainfall levels up to 188mm (7.4") in June. Average sunshine hours are at their peak from 7.5 hours to 9.1 hours, with humidity levels also at their highest from 86% to 83%.Autumn weather in Heyuan
The autumn months, September to November, come with a drop in temperatures from 30.5°C (86.9°F) to 23.8°C (74.8°F). These months experience less rainfall from 117mm (4.61") to 37mm (1.46"). It's noteworthy that the sunshine duration remains relatively consistent at around 6 to 6.9 hours per day.Winter weather in Heyuan
Winter in Heyuan, ranging from December to February, is quite mild with temperatures fluctuating from 18.1°C (64.6°F) to 8.6°C (47.5°F). Rainfall during this period is at its lowest, falling to 29mm (1.14") in December and rising slightly to 56mm (2.2") in February. Sunshine hours are shortest during winter, ranging from around 5.9 hours to 5.8 hours per day.Weather in January
The year springs into action with Heyuan’s winter season, January features cool temperatures and a dusty shade of vegetation. Notably, it’s very windy this month, with maximum windy gusts reaching 12.2km/h (7.6mph). The city has the longest daylight hours in January, giving spectators ample time to appreciate the January frost. Weather in January »Weather in February
February brings with it a breath of fresh air in Heyuan. Following January, February sees temperatures rise slightly, making the climate a bit more comfortable. The weather during this period steadily transitions from winter towards the refreshing vibes of spring. Weather in February »Weather in March
As March sets in, Heyuan witnesses a full swing into the spring season. Transitioning from February, March ensures longer daylight hours facilitating more outdoor activities. March also ushers in higher rainfall with 86mm (3.39") precipitation recorded, necessitating the carrying of an umbrella. Weather in March »Weather in April
April sees a further shift in the season with temperatures gradually warming up. Following March, the discernible increase in temperature signals the onset of summer. The city’s scenery transforms beautifully with greener landscapes and clearer skies. Weather in April »Weather in May
Heyuan experiences increased heat in May, symbolizing the transition from spring to summer. Temperatures rise notably compared to the barely warm April, and residents commence their summer routines. An interesting fact is that this month records the year's highest relative humidity of 85%. Weather in May »Weather in June
June in Heyuan brings the first true taste of summer. The preceding month of May is relatively cooler compared to the hot and humid conditions now. However, the city continues to enjoy an increased amount of daylight. Rainfall becomes more frequent, painting the city with shades of green and blue. Weather in June »Weather in July
July heats up as the peak of summer arrives in Heyuan. Following June, temperatures continue to rise, reaching their yearly highs. July experiences interesting patterns, with high temperatures, high humidity, and frequent rain showers. Weather in July »Weather in August
August in Heyuan experiences minor changes in temperature while upholding the summer weather. Heyuan residents experience similar weather conditions in July and August, including considerably high temperatures. The city embraces the substantive amount of rainfall, making for some beautiful sceneries. Weather in August »Weather in September
September brings the beginning of fall to Heyuan, lending the city a crisp yet mild touch. This month is characteristically cooler, with a noticeable decline in temperature from the heavy August heat. The duration of daylight shortens in September, introducing longer evenings. Weather in September »Weather in October
October in Heyuan signifies the beauty of the autumn season in full swing. Post-September, October brings in cooler temperatures, making Heyuan a pleasant place to live. The city scenery hosts shades of orange, brown, and red, making for some stunning photographs. Weather in October »Weather in November
November in Heyuan witnesses a shift towards the winter season as the temperature drops. November heralds the onslaught of winter post the pleasant fall months of September and October. The month is characterized by early sunsets and longer, colder nights. Weather in November »Weather in December
December marks the arrival of winter in full force in Heyuan. Following November, December experiences even colder temperatures, inducing the spirit of winter festivities. The sky welcomes more sunshine hours, creating a beautiful contrast with the cold environment. Weather in December »Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Heyuan's coldest temperatures are experienced in January, with average high temperatures of 17.5°C (63.5°F) and lows of 8.6°C (47.5°F).
Throughout the year, there are 221.7 rainfall days, and 1180mm (46.46") of precipitation is accumulated.
January is the only month when snow falls in Heyuan.
The month with the most snowfall days is January, when snow falls for 0.1 days.
Throughout the year, in Heyuan, China, there are 0.1 snowfall days.
In Heyuan, China, snow does not fall in February through December.
The month with the least sunshine in Heyuan, China, is March, with an average of 5h of sunshine.
May is the month with the most rainfall. Rain falls for 24.9 days and accumulates 201mm (7.91") of precipitation.
With an average relative humidity of 86%, June is the most humid month.
With an average of 13h and 36min of daylight, June has the longest days of the year in Heyuan.
The months with the highest UV index are June and July, with an average maximum UV index of 7.
In Heyuan, the months of July and August are known for the peak temperatures, reaching an average high of 31.8°C (89.2°F).
July and August, with an average of 9.1h of sunshine, are months with the most sunshine in Heyuan, China.
With an average relative humidity of 71%, December is the least humid month in Heyuan, China.
The month with the least rainfall is December, when the rain falls for 9.5 days and typically collects 29mm (1.14") of precipitation.
The month with the shortest days in Heyuan is December, with an average of 10h and 42min of daylight.
Heyuan does not observe Daylight Saving Time (DST). CST timezone is used over the entire year.
December is the month with the lowest UV index, with an average maximum UV index of 3.
Average temperature
Heyuan, China
The warmest months (with the highest average high temperature) are July and August (31.8°C).
The month with the lowest average high temperature is January (17.5°C).
The months with the highest average low temperature are July and August (23.8°C).
The coldest month (with the lowest average low temperature) is January (8.6°C).
Average pressure
Heyuan, China
- Average pressure in January:
1021.9mbar - Average pressure in February:
1019.5mbar - Average pressure in March:
1017.2mbar - Average pressure in April:
1013.6mbar - Average pressure in May:
1009.5mbar - Average pressure in June:
1005.9mbar
- Average pressure in July:
1005.7mbar - Average pressure in August:
1005.3mbar - Average pressure in September:
1009.3mbar - Average pressure in October:
1014.8mbar - Average pressure in November:
1018.2mbar - Average pressure in December:
1021.4mbar
The month with the highest atmospheric pressure is January (1021.9mbar).
The month with the lowest atmospheric pressure is August (1005.3mbar).
Average wind speed
Heyuan, China
- Average wind speed in January:
7.3km/h - Average wind speed in February:
6.8km/h - Average wind speed in March:
6.7km/h - Average wind speed in April:
6.2km/h - Average wind speed in May:
6km/h - Average wind speed in June:
6.6km/h
- Average wind speed in July:
6.3km/h - Average wind speed in August:
5.4km/h - Average wind speed in September:
5.7km/h - Average wind speed in October:
6.8km/h - Average wind speed in November:
6.9km/h - Average wind speed in December:
7.8km/h
The windiest month (with the highest average wind speed) is December (7.8km/h).
The calmest month (with the lowest average wind speed) is August (5.4km/h).
Average humidity
Heyuan, China
The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is December (71%).
Average rainfall
Heyuan, China
- Average rainfall in January:
38mm - Average rainfall in February:
56mm - Average rainfall in March:
86mm - Average rainfall in April:
100mm - Average rainfall in May:
201mm - Average rainfall in June:
188mm
The wettest month (with the highest rainfall) is May (201mm).
The driest month (with the least rainfall) is December (29mm).
Average rainfall days
Heyuan, China
- Average rainfall days in January:
11.3 days - Average rainfall days in February:
14.3 days - Average rainfall days in March:
20.7 days - Average rainfall days in April:
20.9 days - Average rainfall days in May:
24.9 days - Average rainfall days in June:
25.8 days
- Average rainfall days in July:
25.1 days - Average rainfall days in August:
26.3 days - Average rainfall days in September:
22 days - Average rainfall days in October:
9.7 days - Average rainfall days in November:
11.2 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is August (26.3 days).
The month with the least rainy days is December (9.5 days).
Average snowfall days
Heyuan, China
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Heyuan, China
- Average daylight in January:
10h and 54min - Average daylight in February:
11h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 42min - Average daylight in May:
13h and 18min - Average daylight in June:
13h and 36min
- Average daylight in July:
13h and 24min - Average daylight in August:
12h and 54min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 36min - Average daylight in November:
11h and 0min - Average daylight in December:
10h and 42min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in January:
5h and 54min - Average sunshine in February:
5h and 48min - Average sunshine in March:
5h and 0min - Average sunshine in April:
6h and 6min - Average sunshine in May:
7h and 0min - Average sunshine in June:
7h and 30min
- Average sunshine in July:
9h and 6min - Average sunshine in August:
9h and 6min - Average sunshine in September:
7h and 54min - Average sunshine in October:
6h and 54min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is March (Average sunshine: 5h and 0min).
Average sunshine days
Heyuan, China
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
11.5 days - Average sunshine days in March:
8.9 days - Average sunshine days in April:
7.4 days - Average sunshine days in May:
4.7 days - Average sunshine days in June:
3.6 days
- Average sunshine days in July:
4.7 days - Average sunshine days in August:
2.9 days - Average sunshine days in September:
6.5 days - Average sunshine days in October:
19.4 days - Average sunshine days in November:
18.1 days - Average sunshine days in December:
20.1 days
The month with the most sunshine days is December (20.1 days).
The month with the least sunshine days is August (2.9 days).
Average UV index
Heyuan, China
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Heyuan, China
The month with the most cloud cover is March (Cloud cover 62).
The month with the least cloud cover is October (Cloud cover 33).
Average visibility
Heyuan, China
The months with the highest visibility are January, February, March, October, November and December (9km).
The months with the lowest visibility are May and June (7km).
