Climate Insights for Huilong

Nantong Shi, Jiangsu Sheng, China

Hottest
August
30°C peak
Coldest
January
4°C low
Wettest
June
243mm rain
Best to Visit
October
Mild temps & low rain

Climate Overview

The climate in Huilong is temperate. The average annual temperature is 17°C and approximately 1374mm of precipitation falls per year. Huilong receives a notable amount of rainfall throughout the year, including during its driest month. Huilong is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to 4°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 7° Average: 6° Min: 4° Feb Max: 8° Average: 6° Min: 5° Mar Max: 12° Average: 10° Min: 9° Apr Max: 17° Average: 15° Min: 14° May Max: 21° Average: 20° Min: 18° Jun Max: 25° Average: 24° Min: 23° Jul Max: 29° Average: 28° Min: 27° Aug Max: 30° Average: 28° Min: 27° Sep Max: 26° Average: 25° Min: 24° Oct Max: 21° Average: 20° Min: 19° Nov Max: 16° Average: 15° Min: 13° Dec Max: 10° Average: 8° Min: 6°
Max
Average
Min

Temperatures in Huilong vary considerably across the year, with a 26°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 30°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 4°C and an average of 6°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between November and December, with a 7°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 62mm Snow: 1mm Feb Precipitation: 67mm Snow: 1mm Mar Precipitation: 76mm Snow: 0mm Apr Precipitation: 104mm Snow: 0mm May Precipitation: 117mm Snow: 0mm Jun Precipitation: 243mm Snow: 0mm Jul Precipitation: 198mm Snow: 0mm Aug Precipitation: 122mm Snow: 0mm Sep Precipitation: 181mm Snow: 0mm Oct Precipitation: 85mm Snow: 0mm Nov Precipitation: 76mm Snow: 0mm Dec Precipitation: 43mm Snow: 0mm
Precipitation
Snow

Huilong is a fairly wet location, receiving approximately 1374mm of precipitation annually, which averages out to around 114mm per month. The wettest month is June, averaging 243mm of rainfall. July and September also tend to see above-average precipitation. The driest month is December, with just 43mm. That's 200mm less than June, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 23km/h Feb Wind Speed: 24km/h Mar Wind Speed: 24km/h Apr Wind Speed: 24km/h May Wind Speed: 23km/h Jun Wind Speed: 21km/h Jul Wind Speed: 23km/h Aug Wind Speed: 22km/h Sep Wind Speed: 22km/h Oct Wind Speed: 23km/h Nov Wind Speed: 23km/h Dec Wind Speed: 23km/h
Wind Speed

Huilong is moderately windy, with an average annual wind speed of 23km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 21km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

88 days until Summer

It is currently spring in Huilong, which began on March 20, 2026. Huilong is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 30°C, while the coldest stretch bottoms out in January near 4°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

Spring

Temperatures range from 9 to 21°C. Precipitation is moderate at around 298mm for the season, averaging 99mm per month. Winds are moderate at around 24km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 23 to 30°C. Rainfall is heavy, totalling around 562mm across the season with a monthly average of 187mm. Winds are moderate at around 22km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 13 to 26°C. Rainfall is heavy, totalling around 342mm across the season with a monthly average of 114mm. Winds are moderate at around 23km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 4 to 10°C. Precipitation is moderate at around 172mm for the season, averaging 57mm per month. Winds are moderate at around 23km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan
Feb
Mar 10°
Apr 15°
May 20°
Jun 24°
Jul 28°
Aug 28°
Sep 25°
Oct 20°
Nov 15°
Dec

The best time to visit Huilong is during October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 85mm per month. By contrast, August can be uncomfortably hot with highs reaching 30°C, while January is the coldest period with lows dropping to 4°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Huilong based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
4 °C
7 °C
23 km/h
62 mm
1 cm
Feb
5 °C
8 °C
24 km/h
67 mm
1 cm
Mar Current
9 °C
12 °C
24 km/h
76 mm
0 cm
Apr
14 °C
17 °C
24 km/h
104 mm
0 cm
May
18 °C
21 °C
23 km/h
117 mm
0 cm
Jun
23 °C
25 °C
21 km/h
243 mm
0 cm
Jul
27 °C
29 °C
23 km/h
198 mm
0 cm
Aug
27 °C
30 °C
22 km/h
122 mm
0 cm
Sep
24 °C
26 °C
22 km/h
181 mm
0 cm
Oct
19 °C
21 °C
23 km/h
85 mm
0 cm
Nov
13 °C
16 °C
23 km/h
76 mm
0 cm
Dec
6 °C
10 °C
23 km/h
43 mm
0 cm
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Metric (°C, km/h)