Chengdu weather in December

In December, Chengdu sees average daytime highs of 11°C and overnight lows near 5°C, with 4 mm of rain across 1.3 wet days and about 10.1 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 12°C in the first days to 10°C by the end. The sky is clear or mostly clear about 29% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 12 min at the start of December to 10 hours by month's end. Set against the rest of the year, December is Chengdu's 1st-clearest and 9th-windiest month. For the whole year in context, see Chengdu's year-round climate.

Daytime high: 11°; 11th warmest
Overnight low: 5°; 2nd coldest
Rainfall: 4 mm; 1.3 wet days
Daylight: 10 hours; 7:59 AM – 6:01 PM
Cloud cover: 57%; 1st clearest
Wind: 6 km/h; 9th windiest
Solar energy: 1.98 kWh/m²
Travel score: 3.2; out of 10

Chengdu is capital of Sichuan Province, China.

Air quality: Very high; PM2.5 49.3 µg/m³ · 2018
Density: 944/km²; people per km²
Founded: ~310 BCE

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← November Chengdu year-round climate January →Best places to visit in December

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 12°C in the first days to 10°C by the end.

A typical December day in Chengdu reaches about 11°C in the afternoon and slips back to 5°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 14°C. Set against its neighbours, December runs about 5°C cooler than November and about 1°C warmer than January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	13	13	12	12	12	12	12	12	12	11	11	11	11	11	11	11	11	10	10	10	10	10	10	10	10	10	10	10	10	10	10
Avg low (°C)	7	7	7	7	6	6	6	6	6	6	5	5	5	5	5	5	5	5	4	4	4	4	4	4	4	4	4	4	4	4	4

	Avg high (°C)	Avg low (°C)
1	13	7
2	13	7
3	12	7
4	12	7
5	12	6
6	12	6
7	12	6
8	12	6
9	12	6
10	11	6
11	11	5
12	11	5
13	11	5
14	11	5
15	11	5
16	11	5
17	11	5
18	10	5
19	10	4
20	10	4
21	10	4
22	10	4
23	10	4
24	10	4
25	10	4
26	10	4
27	10	4
28	10	4
29	10	4
30	10	4
31	10	4

How December really feels in Chengdu

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Chengdu weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 11th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	10° / 4°	3	1	10.2	2.5
Feb	12° / 6°	7	2	10.9	3.8
Mar	17° / 10°	19	5.5	11.8	5.8
Apr	23° / 15°	43	7.9	12.7	6.7
May	27° / 18°	66	9.7	13.5	6.1
Jun	29° / 21°	128	11.7	13.9	5.0
Jul	30° / 23°	292	19.8	13.8	3.6
Aug	30° / 23°	290	19.8	13.1	3.9
Sep	26° / 19°	134	12.8	12.2	5.9
Oct	21° / 15°	40	8.5	11.2	6.3
Nov	16° / 10°	16	4.3	10.4	5.5
Dec	11° / 5°	4	1.3	10.1	3.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 50%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	45	46	46	47	47	47	47	47	49	49	50	50	50	50	51	51	51	51	52	52	52	52	52	52	52	51	51	50	50	49	49
Cloudier (%)	55	54	54	53	53	53	53	53	51	51	50	50	50	50	49	49	49	49	48	48	48	48	48	48	48	49	49	50	50	51	51

	Clearer (%)	Cloudier (%)
1	45	55
2	46	54
3	46	54
4	47	53
5	47	53
6	47	53
7	47	53
8	47	53
9	49	51
10	49	51
11	50	50
12	50	50
13	50	50
14	50	50
15	51	49
16	51	49
17	51	49
18	51	49
19	52	48
20	52	48
21	52	48
22	52	48
23	52	48
24	52	48
25	52	48
26	51	49
27	51	49
28	50	50
29	50	50
30	49	51
31	49	51

Chance of precipitation in December

Any precipitation

Chengdu gets around 4 mm of rain over 1.3 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 4% and peaks near 8% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	8	7	7	6	6	6	6	5	5	5	5	5	4	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3	3	3	3

	Rain chance (%)
1	8
2	7
3	7
4	6
5	6
6	6
7	6
8	5
9	5
10	5
11	5
12	5
13	4
14	4
15	4
16	4
17	4
18	4
19	4
20	4
21	4
22	4
23	4
24	3
25	3
26	3
27	3
28	3
29	3
30	3
31	3

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	99	99	99	99	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
Comfortable (%)	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	6	calm
18	6	calm
19	6	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	calm
31	6	calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 12 min at the start of December to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:49 AM to 8:06 AM, and sunset from 5:58 PM to 6:08 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	10.2	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0
Sunrise (AM)	7:49	7:49	7:50	7:51	7:52	7:53	7:53	7:54	7:55	7:55	7:56	7:57	7:57	7:58	7:59	7:59	8:00	8:00	8:01	8:01	8:02	8:02	8:03	8:03	8:04	8:04	8:04	8:05	8:05	8:05	8:06
Sunset (PM)	5:58	5:58	5:58	5:58	5:58	5:58	5:59	5:59	5:59	5:59	5:59	5:59	6:00	6:00	6:00	6:01	6:01	6:01	6:02	6:02	6:03	6:03	6:04	6:04	6:05	6:05	6:06	6:06	6:07	6:07	6:08

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.2	7:49	5:58
2	10.1	7:49	5:58
3	10.1	7:50	5:58
4	10.1	7:51	5:58
5	10.1	7:52	5:58
6	10.1	7:53	5:58
7	10.1	7:53	5:59
8	10.1	7:54	5:59
9	10.1	7:55	5:59
10	10.1	7:55	5:59
11	10.1	7:56	5:59
12	10.0	7:57	5:59
13	10.0	7:57	6:00
14	10.0	7:58	6:00
15	10.0	7:59	6:00
16	10.0	7:59	6:01
17	10.0	8:00	6:01
18	10.0	8:00	6:01
19	10.0	8:01	6:02
20	10.0	8:01	6:02
21	10.0	8:02	6:03
22	10.0	8:02	6:03
23	10.0	8:03	6:04
24	10.0	8:03	6:04
25	10.0	8:04	6:05
26	10.0	8:04	6:05
27	10.0	8:04	6:06
28	10.0	8:05	6:06
29	10.0	8:05	6:07
30	10.0	8:05	6:07
31	10.0	8:06	6:08

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.98 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.98 kWh/m² to a high of 4.59 kWh/m² in May across the year — December's 1.98 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.1	2.1
Level	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	1.9	Dim
2	1.9	Dim
3	1.9	Dim
4	1.9	Dim
5	1.9	Dim
6	1.9	Dim
7	1.9	Dim
8	1.9	Dim
9	1.9	Dim
10	1.9	Dim
11	1.9	Dim
12	1.9	Dim
13	1.9	Dim
14	2.0	Dim
15	2.0	Dim
16	2.0	Dim
17	2.0	Dim
18	2.0	Dim
19	2.0	Moderate
20	2.0	Moderate
21	2.0	Moderate
22	2.0	Moderate
23	2.0	Moderate
24	2.0	Moderate
25	2.0	Moderate
26	2.0	Moderate
27	2.0	Moderate
28	2.0	Moderate
29	2.0	Moderate
30	2.1	Moderate
31	2.1	Moderate

Planning a trip in December

Hazard calendar for Chengdu

In seasonPeak

None of Chengdu's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Chengdu's rainy season runs July–September, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is December a good time to visit Chengdu?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.2

Sightseeing

11th-best month of the year

0.0

Beach & pool

11th-best month of the year

December is a weaker month for outdoor sightseeing in Chengdu.

What to pack for Chengdu in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Chengdu sees daytime highs around 11°C and nights near 5°C. Pack a warm layer.

a warm layer

UV index in Chengdu in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chengdu peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	5	7	7	9	9	10	9	8	5	4	3
Level	Moderate	Moderate	High	High	Very high	Very high	Very high	Very high	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	2	Moderate
Feb	5	Moderate
Mar	7	High
Apr	7	High
May	9	Very high
Jun	9	Very high
Jul	10	Very high
Aug	9	Very high
Sep	8	Very high
Oct	5	High
Nov	4	Moderate
Dec	3	Moderate

Air quality in Chengdu in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Chengdu is worst in January — around 60 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Chengdu's WHO annual average of 49.3 µg/m³.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	60	58	57	50	47	39	38	38	44	49	54	57
Level	Unhealthy	Unhealthy	Unhealthy	Poor	Poor	Poor	Poor	Poor	Poor	Poor	Poor	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	60	Unhealthy
Feb	58	Unhealthy
Mar	57	Unhealthy
Apr	50	Poor
May	47	Poor
Jun	39	Poor
Jul	38	Poor
Aug	38	Poor
Sep	44	Poor
Oct	49	Poor
Nov	54	Poor
Dec	57	Unhealthy

Location & terrain

Where is Chengdu?

Chengdu sits at 30.7°N, 104.1°E, 499 m above sea level, in China. The nearest listed city is Leshan, 126 km away.

Topography around Chengdu

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chengdu.

Within 3 km, the terrain around Chengdu has only modest variations in elevation — a maximum elevation change of 42 m around an average of 501 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 124 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,717 m.

The land around Chengdu is covered by artificial surfaces (88%) within 3 km, artificial surfaces (55%) within 16 km, and trees (53%) and cropland (33%) within 80 km.

3 km

42 m

artificial surfaces 88%

16 km

124 m

artificial surfaces 55%

80 km

3,717 m

trees 53%

treesgrasslandcroplandartificial surfacesbare terrainwater

← November Chengdu year-round climate January →Best places to visit in December

December weather nearby: Leshan 126 km · Chongqing 269 km · Guiyang 523 km · Shangri-La 528 km · Lijiang 565 km · Xi'an 606 km · Fenghuang 616 km · Kunming 640 km

China travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type A / I; 220 V · 50 Hz
Prices: ≈ 47% of US; price level, 2025
GDP per capita: $13,862; 2025
Happiness: 6.1 / 10; World Happiness, 2025
Homicide rate: 0.5; per 100k, 2020
Road deaths: 17.4; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Low; EF EPI 464
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Chengdu (30.6667°, 104.0667°, elevation 499 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	13	7
2	13	7
3	12	7
4	12	7
5	12	6
6	12	6
7	12	6
8	12	6
9	12	6
10	11	6
11	11	5
12	11	5
13	11	5
14	11	5
15	11	5
16	11	5
17	11	5
18	10	5
19	10	4
20	10	4
21	10	4
22	10	4
23	10	4
24	10	4
25	10	4
26	10	4
27	10	4
28	10	4
29	10	4
30	10	4
31	10	4

	Clearer (%)	Cloudier (%)
1	45	55
2	46	54
3	46	54
4	47	53
5	47	53
6	47	53
7	47	53
8	47	53
9	49	51
10	49	51
11	50	50
12	50	50
13	50	50
14	50	50
15	51	49
16	51	49
17	51	49
18	51	49
19	52	48
20	52	48
21	52	48
22	52	48
23	52	48
24	52	48
25	52	48
26	51	49
27	51	49
28	50	50
29	50	50
30	49	51
31	49	51

	Rain chance (%)
1	8
2	7
3	7
4	6
5	6
6	6
7	6
8	5
9	5
10	5
11	5
12	5
13	4
14	4
15	4
16	4
17	4
18	4
19	4
20	4
21	4
22	4
23	4
24	3
25	3
26	3
27	3
28	3
29	3
30	3
31	3

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

	Avg high (°C)	Avg low (°C)
1	13	7
2	13	7
3	12	7
4	12	7
5	12	6
6	12	6
7	12	6
8	12	6
9	12	6
10	11	6
11	11	5
12	11	5
13	11	5
14	11	5
15	11	5
16	11	5
17	11	5
18	10	5
19	10	4
20	10	4
21	10	4
22	10	4
23	10	4
24	10	4
25	10	4
26	10	4
27	10	4
28	10	4
29	10	4
30	10	4
31	10	4

	Clearer (%)	Cloudier (%)
1	45	55
2	46	54
3	46	54
4	47	53
5	47	53
6	47	53
7	47	53
8	47	53
9	49	51
10	49	51
11	50	50
12	50	50
13	50	50
14	50	50
15	51	49
16	51	49
17	51	49
18	51	49
19	52	48
20	52	48
21	52	48
22	52	48
23	52	48
24	52	48
25	52	48
26	51	49
27	51	49
28	50	50
29	50	50
30	49	51
31	49	51

	Rain chance (%)
1	8
2	7
3	7
4	6
5	6
6	6
7	6
8	5
9	5
10	5
11	5
12	5
13	4
14	4
15	4
16	4
17	4
18	4
19	4
20	4
21	4
22	4
23	4
24	3
25	3
26	3
27	3
28	3
29	3
30	3
31	3

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

	Avg high (°C)	Avg low (°C)
1	13	7
2	13	7
3	12	7
4	12	7
5	12	6
6	12	6
7	12	6
8	12	6
9	12	6
10	11	6
11	11	5
12	11	5
13	11	5
14	11	5
15	11	5
16	11	5
17	11	5
18	10	5
19	10	4
20	10	4
21	10	4
22	10	4
23	10	4
24	10	4
25	10	4
26	10	4
27	10	4
28	10	4
29	10	4
30	10	4
31	10	4

	Clearer (%)	Cloudier (%)
1	45	55
2	46	54
3	46	54
4	47	53
5	47	53
6	47	53
7	47	53
8	47	53
9	49	51
10	49	51
11	50	50
12	50	50
13	50	50
14	50	50
15	51	49
16	51	49
17	51	49
18	51	49
19	52	48
20	52	48
21	52	48
22	52	48
23	52	48
24	52	48
25	52	48
26	51	49
27	51	49
28	50	50
29	50	50
30	49	51
31	49	51

	Rain chance (%)
1	8
2	7
3	7
4	6
5	6
6	6
7	6
8	5
9	5
10	5
11	5
12	5
13	4
14	4
15	4
16	4
17	4
18	4
19	4
20	4
21	4
22	4
23	4
24	3
25	3
26	3
27	3
28	3
29	3
30	3
31	3

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0