How many sunny days does Chengdu have per year?

Chengdu averages approximately 103 sunny days per year, based on historical climate data.

What is the air quality in Chengdu?

Chengdu has an annual PM2.5 concentration of 44.6 µg/m³, classified as "Unhealthy" by WHO standards. Far exceeds WHO targets. Respiratory and cardiovascular effects likely.

Sichuan

Chengdu · China

A city in China.

Large city

5.6M

867 km²

499m

08:54 UTC+8

CNY

Explore on map →Climate twin →

Chengdu sees only 103 sunny days a year — overcast skies are common, with hot summers that push life indoors midday. On the other hand, air quality is a concern.

Chengdu, China is a 5.6M-resident city with 103 sunny days and 6 frost days annually and an annual PM2.5 of 44.6 µg/m³. A city in China.

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Climate

Feels-like °C

Dinner outside

Climate Lab · Chengdu

Monthly climate metrics across temperature, precipitation, wind, and UV.

Metric	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Temperature
Daily high°C	12	16	23	27	29	32	33	33	29	22	19	12	24
Daily mean°C	8	10	15	19	24	27	29	28	24	18	15	7	19
Daily low°C	3	6	10	14	17	22	24	23	20	15	9	4	14
Thermal comfort
High feelsDaily high feels-like°C	17	21	26	30	32	36	37	37	32	26	22	18	28
Mean feelsDaily mean feels-like°C	7	10	15	20	25	29	32	31	26	18	15	6	20
Low feelsDaily low feels-like°C	-2	2	8	12	17	22	25	24	20	13	6	0	12
Humidity
HumidityRelative humidity%	76	68	62	65	60	62	70	73	77	79	75	74	70
Dewpoint°C	3.9	5.4	9.0	12.4	15.7	18.4	22.0	22.3	19.6	13.1	9.6	3.3	12.9
Precipitation
Rainfallmm	7	10	31	99	74	74	233	173	131	54	12	9	907
Rain days≥1mm	2	4	8	12	13	10	21	20	15	12	3	3	123
Snowfallmm	0	0	0	0	0	0	0	0	0	0	0	0	0
Wind
Wind avgm/s	1.7	1.6	1.8	1.8	1.7	1.7	1.7	1.7	1.6	1.6	1.7	1.7	1.7
Wind gustsm/s	3.1	3.7	4.1	4.1	4.4	3.8	3.6	3.6	3.7	2.9	3.1	3.3	3.6
Sun & UV
Sunshinehrs/day	4.7	6.4	7.0	8.0	7.8	8.5	9.0	9.0	5.8	3.7	4.3	5.7	6.7
Clear skyindex	28%	38%	32%	32%	29%	27%	26%	36%	28%	18%	32%	38%	30%
UV indexmax avg	2.0	2.7	3.5	4.8	6.0	6.1	6.1	6.2	4.7	3.0	2.0	1.9	4.1

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Lifestyle Calendar · Chengdu

Chengdu offers a solid outdoor season. 2 months of the year are perfect for all activities. Dinner outside is comfortable 7/12 months — impressive, while lunch outside is comfortable 9/12 months — impressive.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

7/12

Dinner Outside

5Jan: 5% viability

19Feb: 19% viability

59Mar: 59% viability

77Apr: 77% viability

91May: 91% viability

91Jun: 91% viability

74Jul: 74% viability

65Aug: 65% viability

82Sep: 82% viability

86Oct: 86% viability

47Nov: 47% viability

2Dec: 2% viability

7/12

Dinner Outside

5Jan: 5% viability

19Feb: 19% viability

59Mar: 59% viability

77Apr: 77% viability

91May: 91% viability

91Jun: 91% viability

74Jul: 74% viability

65Aug: 65% viability

82Sep: 82% viability

86Oct: 86% viability

47Nov: 47% viability

2Dec: 2% viability

58%

Cold

9/12

Lunch Outside

88Jan: 88% viability

89Feb: 89% viability

95Mar: 95% viability

90Apr: 90% viability

78May: 78% viability

59Jun: 59% viability

29Jul: 29% viability

27Aug: 27% viability

69Sep: 69% viability

92Oct: 92% viability

94Nov: 94% viability

83Dec: 83% viability

9/12

Lunch Outside

88Jan: 88% viability

89Feb: 89% viability

95Mar: 95% viability

90Apr: 90% viability

78May: 78% viability

59Jun: 59% viability

29Jul: 29% viability

27Aug: 27% viability

69Sep: 69% viability

92Oct: 92% viability

94Nov: 94% viability

83Dec: 83% viability

74%

Humid

9/12

Walking

99Jan: 99% viability

100Feb: 100% viability

100

100Mar: 100% viability

100

95Apr: 95% viability

80May: 80% viability

55Jun: 55% viability

34Jul: 34% viability

35Aug: 35% viability

76Sep: 76% viability

100Oct: 100% viability

100

100Nov: 100% viability

100

100Dec: 100% viability

100

9/12

Walking

99Jan: 99% viability

100Feb: 100% viability

100

100Mar: 100% viability

100

95Apr: 95% viability

80May: 80% viability

55Jun: 55% viability

34Jul: 34% viability

35Aug: 35% viability

76Sep: 76% viability

100Oct: 100% viability

100

100Nov: 100% viability

100

100Dec: 100% viability

100

81%

Humid

7/12

Running

99Jan: 99% viability

100Feb: 100% viability

100

94Mar: 94% viability

81Apr: 81% viability

52May: 52% viability

28Jun: 28% viability

15Jul: 15% viability

19Aug: 19% viability

49Sep: 49% viability

97Oct: 97% viability

100Nov: 100% viability

100

100Dec: 100% viability

100

7/12

Running

99Jan: 99% viability

100Feb: 100% viability

100

94Mar: 94% viability

81Apr: 81% viability

52May: 52% viability

28Jun: 28% viability

15Jul: 15% viability

19Aug: 19% viability

49Sep: 49% viability

97Oct: 97% viability

100Nov: 100% viability

100

100Dec: 100% viability

100

70%

Heat

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Climate

Feels-like °C

Dinner outside

Climate Lab · Chengdu

Monthly climate metrics across temperature, precipitation, wind, and UV.

Metric	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Temperature
Daily high°C	12	16	23	27	29	32	33	33	29	22	19	12	24
Daily mean°C	8	10	15	19	24	27	29	28	24	18	15	7	19
Daily low°C	3	6	10	14	17	22	24	23	20	15	9	4	14
Thermal comfort
High feelsDaily high feels-like°C	17	21	26	30	32	36	37	37	32	26	22	18	28
Mean feelsDaily mean feels-like°C	7	10	15	20	25	29	32	31	26	18	15	6	20
Low feelsDaily low feels-like°C	-2	2	8	12	17	22	25	24	20	13	6	0	12
Humidity
HumidityRelative humidity%	76	68	62	65	60	62	70	73	77	79	75	74	70
Dewpoint°C	3.9	5.4	9.0	12.4	15.7	18.4	22.0	22.3	19.6	13.1	9.6	3.3	12.9
Precipitation
Rainfallmm	7	10	31	99	74	74	233	173	131	54	12	9	907
Rain days≥1mm	2	4	8	12	13	10	21	20	15	12	3	3	123
Snowfallmm	0	0	0	0	0	0	0	0	0	0	0	0	0
Wind
Wind avgm/s	1.7	1.6	1.8	1.8	1.7	1.7	1.7	1.7	1.6	1.6	1.7	1.7	1.7
Wind gustsm/s	3.1	3.7	4.1	4.1	4.4	3.8	3.6	3.6	3.7	2.9	3.1	3.3	3.6
Sun & UV
Sunshinehrs/day	4.7	6.4	7.0	8.0	7.8	8.5	9.0	9.0	5.8	3.7	4.3	5.7	6.7
Clear skyindex	28%	38%	32%	32%	29%	27%	26%	36%	28%	18%	32%	38%	30%
UV indexmax avg	2.0	2.7	3.5	4.8	6.0	6.1	6.1	6.2	4.7	3.0	2.0	1.9	4.1

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Lifestyle Calendar · Chengdu

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

7/12

Dinner Outside

5Jan: 5% viability

19Feb: 19% viability

59Mar: 59% viability

77Apr: 77% viability

91May: 91% viability

91Jun: 91% viability

74Jul: 74% viability

65Aug: 65% viability

82Sep: 82% viability

86Oct: 86% viability

47Nov: 47% viability

2Dec: 2% viability

7/12

Dinner Outside

5Jan: 5% viability

19Feb: 19% viability

59Mar: 59% viability

77Apr: 77% viability

91May: 91% viability

91Jun: 91% viability

74Jul: 74% viability

65Aug: 65% viability

82Sep: 82% viability

86Oct: 86% viability

47Nov: 47% viability

2Dec: 2% viability

58%

Cold

9/12

Lunch Outside

88Jan: 88% viability

89Feb: 89% viability

95Mar: 95% viability

90Apr: 90% viability

78May: 78% viability

59Jun: 59% viability

29Jul: 29% viability

27Aug: 27% viability

69Sep: 69% viability

92Oct: 92% viability

94Nov: 94% viability

83Dec: 83% viability

9/12

Lunch Outside

88Jan: 88% viability

89Feb: 89% viability

95Mar: 95% viability

90Apr: 90% viability

78May: 78% viability

59Jun: 59% viability

29Jul: 29% viability

27Aug: 27% viability

69Sep: 69% viability

92Oct: 92% viability

94Nov: 94% viability

83Dec: 83% viability

74%

Humid

9/12

Walking

99Jan: 99% viability

100Feb: 100% viability

100

100Mar: 100% viability

100

95Apr: 95% viability

80May: 80% viability

55Jun: 55% viability

34Jul: 34% viability

35Aug: 35% viability

76Sep: 76% viability

100Oct: 100% viability

100

100Nov: 100% viability

100

100Dec: 100% viability

100

9/12

Walking

99Jan: 99% viability

100Feb: 100% viability

100

100Mar: 100% viability

100

95Apr: 95% viability

80May: 80% viability

55Jun: 55% viability

34Jul: 34% viability

35Aug: 35% viability

76Sep: 76% viability

100Oct: 100% viability

100

100Nov: 100% viability

100

100Dec: 100% viability

100

81%

Humid

7/12

Running

99Jan: 99% viability

100Feb: 100% viability

100

94Mar: 94% viability

81Apr: 81% viability

52May: 52% viability

28Jun: 28% viability

15Jul: 15% viability

19Aug: 19% viability

49Sep: 49% viability

97Oct: 97% viability

100Nov: 100% viability

100

100Dec: 100% viability

100

7/12

Running

99Jan: 99% viability

100Feb: 100% viability

100

94Mar: 94% viability

81Apr: 81% viability

52May: 52% viability

28Jun: 28% viability

15Jul: 15% viability

19Aug: 19% viability

49Sep: 49% viability

97Oct: 97% viability

100Nov: 100% viability

100

100Dec: 100% viability

100

70%

Heat

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Chengdu · China

Climate

Climate Lab · Chengdu

Lifestyle Calendar · Chengdu

Climate

Climate Lab · Chengdu

Lifestyle Calendar · Chengdu

Air Quality Profile

Air Quality Profile

Who thrives in Chengdu

Things to consider in Chengdu

Why not Chengdu?

Frequently asked about Chengdu

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