Nantong weather and climate in 2025
Day
31 °C
Night
25 °C
Sea
25 °C
Precipitation
189 mm
in month
Rainy days
14 days
in month
Daylight
14 hours
average
Sunshine
7 hours
average
Humidity
82 %
Day
31 °C
Night
25 °C
Sea
25 °C
Precipitation
189 mm
in month
Rainy days
14 days
in month
Daylight
14 hours
average
Sunshine
7 hours
average
Humidity
82 %
Overview: Nantong
Weather charts for Nantong
Find more destinations like this
Closest destinations for Nantong
Closest cities for Nantong
Weather overview for Nantong
Weather overview
Nantong offers a humid subtropical climate with four distinct seasons. In winter, the temperatures often dip to a chilly 1 °C (33 °F) while the peak of summer sees them soaring to a scorching 31 °C (88 °F). Summer in Nantong can also be quite wet, with July typically seeing 189 mm (7.42 in) of precipitation over 14 days. With transitional seasons of spring and autumn, visitors can experience a moderate climate with pleasant temperatures and moderate rainfall. When packing for Nantong, consider layers that can adapt to varying conditions throughout the year.
January weather
January in Nantong is cold with daytime temperatures reaching a mere 6 °C (42 °F). Nighttime brings an average minimal temperature of 1 °C (33 °F), making for chilly evenings. The rain is sparse this month, falling over an average of 7 days, and the windspeed tends to be brisk at 3 m/s.
February weather
February sees a slight increase in daytime temperatures to 7 °C (45 °F), while nights remain cold with an average low of 2 °C (35 °F). Rainfall increases slightly to 50 mm (1.95 in), and you can expect rain on approximately 8 days.
March weather
March marks the beginning of spring in Nantong with the average daytime temperatures climbing to 13 °C (56 °F). However, rainfall also increases with 65 mm (2.54 in) expected, and the number of wet days rises to 9 days.
April weather
April offers more comfortable conditions, with temperatures averaging 18 °C (64 °F) during the day. Night temperatures also become milder at 10 °C (51 °F). The rainfall remains at 76 mm (3.01 in) and wet days number around 9 days.
May weather
May sees a further increase in temperature, with highs around 24 °C (74 °F) and nights averaging 16 °C (60 °F). Rainfall also picks up, indicated by 89 mm (3.51 in) of precipitation, and wet days increase to 10 days.
June weather
June ushers in the start of summer with daytime temperatures reaching 27 °C (81 °F). Humidity begins to climb, averaging 80 %, while rainfall spikes dramatically to 153 mm (6.03 in) across 12 days.
July weather
July is the peak of summer with the highest temperatures averaging 31 °C (88 °F) and night lows at 25 °C (76 °F). Rainfall is at its peak as well, with 189 mm (7.42 in) falling over 14 days.
August weather
August remains hot and humid, with daily highs around 30 °C (87 °F). Nights offer little respite at 24 °C (76 °F). The precipitation begins to decrease to 130 mm (5.12 in), but wet days are still frequent at 13 days.
September weather
September sees a gradual retreat of the summer weather, with daytime temperatures averaging 26 °C (79 °F). Rainfall also lessens, with an average of 100 mm (3.93 in) and 10 days expected to be wet.
October weather
October in Nantong offers more temperate conditions, with an average high of 21 °C (70 °F) and nighttime lows of 15 °C (58 °F). Rainfall is moderate at 50 mm (1.98 in), and wet days decrease to 8 days.
November weather
November sees a drop in both temperature and precipitation. Daytime averages fall to 15 °C (59 °F) and evening temperatures can be cool at 9 °C (48 °F). The rainfall is lower at 55 mm (2.16 in), and wet days reduce to 8 days.
December weather
December welcomes winter with the average daytime temperatures dipping to 8 °C (46 °F). Evening chill is evident as temperatures average around 3 °C (37 °F). Light rainfall amounting to 33 mm (1.29 in) occurs over 6 days.
FAQs
How should I dress for a January day in Nantong?
Dress warmly for January in Nantong. Layering clothing with a coat, scarf, and gloves is advisable as daytime temperatures hover around 6 °C (42 °F), dropping further at night.
Will I need an umbrella in Nantong during February?
Yes, with rainfall through the month and 8 days expected to be wet, an umbrella will be a useful item for your February visits to Nantong.
Is it common to experience rain in March in Nantong?
Rain is fairly common in Nantong this month with an average of 9 days seeing precipitation, so keep your rain gear handy.
Does April have a lot of sunny days in Nantong?
April sees a fair number of sunny hours, with an average of 6 hours per day, making it a pleasant spring month in Nantong.
Is May in Nantong a good month for outdoor activities?
Definitely, with highs of 24 °C (74 °F) and plenty of sunshine averaging 6 hours per day, May is a great month for outdoor excursions in Nantong.
Can June in Nantong be considered the start of the rainy season?
Yes, June in Nantong marks the beginning of the wetter season with significant rainfall and a higher count of rainy days.
What type of clothing is most appropriate for the hot July weather in Nantong?
Lightweight, breathable clothing that offers protection from the sun is best for July's hot and humid weather, with daytime temperatures reaching 31 °C (88 °F).
What are the chances of getting caught in the rain in Nantong during August?
Chances are quite high, with rain anticipated on 13 days, ensuring August remains a wet month in Nantong.
As the weather transitions, what activities are recommended in Nantong during September?
With the weather becoming milder, September is ideal for outdoor sightseeing and enjoying the green spaces around Nantong.
What should I wear during the day in Nantong throughout October?
Daytime attire in October can be lighter, but have a sweater or jacket on hand for the cooler evenings and early mornings.
How does Nantong's weather change in November?
As winter approaches, you'll notice the cooler temperatures and a reduction in rainfall, with more crisp and clear days.
What are the chances of having a white Christmas in Nantong?
Snow is very rare in Nantong, so a white Christmas is highly unlikely, but it's still a festive time with cooler temperatures.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.