Compare Buenos Aires and Región Metropolitana de Santiago Weather

Buenos Aires is 1139.8 kilometers (708.2 miles) away and has the same time zone with Región Metropolitana de Santiago, Chile. Buenos Aires's climate is classified as Humid subtropical, no dry season (Köppen climate classification: Cfa) while Región Metropolitana de Santiago has a Mediterranean, warm summer climate (Csb).

Buenos Aires generally has warmer weather than Región Metropolitana de Santiago. The average mean temperature in Buenos Aires is 18.46°C (65.23°F) while Región Metropolitana de Santiago’s temperature is 16.0°C (60.8°F) and the difference is 2.46°C (36.43°F). Buenos Aires is hottest on average in January, when the day time temperature may reach 25.85°C (78.53°F), while Región Metropolitana de Santiago is warmest in January when the average high temperature is 21.82°C (71.28°F). Buenos Aires is coldest in July when the average low temperature is 8.86°C (47.95°F), while July is the coldest month in Región Metropolitana de Santiago, when night time temperature often falls below 2.09°C (35.76°F).

Finally, Buenos Aires has about 1.59 times more rainfall than Región Metropolitana de Santiago, (Buenos Aires’s 51.82mm vs Región Metropolitana de Santiago’s average of 32.56mm).

Comparison summary

Weather	Buenos Aires	Región Metropolitana de Santiago	Difference
Hottest month	January: 25.85°C (78.53°F)	January: 21.82°C (71.28°F)	4.03°C (39.25°F)
Coldest month	July: 8.86°C (47.95°F)	July: 2.09°C (35.76°F)	6.77°C (44.19°F)
Wettest month	February: 66.15mm (2.6in)	June: 123.3mm (4.85in)	57.15mm (2.25in)
Driest month	September: 38.4mm (1.51in)	February: 1.55mm (0.06in)	36.85mm (1.45in)

Contents [show]

Temperature
Precipitation
Number of days with rainfall
Wind Speed
Average Length of Day
Humidity
Comments

Temperature

Average Temperature ( °C )

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Buenos Aires	25.85	24.89	22.15	19.02	15.65	12.5	11.37	12.96	14.76	17.32	20.88	24.22	18.46
Región Metropolitana de Santiago	21.82	21.29	19.94	16.51	13.25	10.04	9.13	11.72	13.95	15.66	18.41	20.29	16.0

City Buenos Aires

Jan25.85
Feb24.89
Mar22.15
Apr19.02
May15.65
Jun12.5
Jul11.37
Aug12.96
Sep14.76
Oct17.32
Nov20.88
Dec24.22
Yea18.46

City Región Metropolitana de Santiago

Jan21.82
Feb21.29
Mar19.94
Apr16.51
May13.25
Jun10.04
Jul9.13
Aug11.72
Sep13.95
Oct15.66
Nov18.41
Dec20.29
Yea16.0

Average Temperature ( °F )

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Buenos Aires	78.53	76.8	71.87	66.24	60.17	54.5	52.47	55.33	58.57	63.18	69.58	75.6	65.23
Región Metropolitana de Santiago	71.28	70.32	67.89	61.72	55.85	50.07	48.43	53.1	57.11	60.19	65.14	68.52	60.8

City Buenos Aires

Jan78.53
Feb76.8
Mar71.87
Apr66.24
May60.17
Jun54.5
Jul52.47
Aug55.33
Sep58.57
Oct63.18
Nov69.58
Dec75.6
Yea65.23

City Región Metropolitana de Santiago

Jan71.28
Feb70.32
Mar67.89
Apr61.72
May55.85
Jun50.07
Jul48.43
Aug53.1
Sep57.11
Oct60.19
Nov65.14
Dec68.52
Yea60.8

Precipitation

Precipitation (mm)

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Buenos Aires	49.66	66.15	57.11	52.84	43.17	46.85	50.65	45.96	38.4	60.39	53.33	57.29	51.82
Región Metropolitana de Santiago	1.58	1.55	1.6	8.26	61.95	123.3	70.92	53.88	25.55	24.5	11.13	6.52	32.56

City Buenos Aires

Jan49.66
Feb66.15
Mar57.11
Apr52.84
May43.17
Jun46.85
Jul50.65
Aug45.96
Sep38.4
Oct60.39
Nov53.33
Dec57.29
Yea51.82

City Región Metropolitana de Santiago

Jan1.58
Feb1.55
Mar1.6
Apr8.26
May61.95
Jun123.3
Jul70.92
Aug53.88
Sep25.55
Oct24.5
Nov11.13
Dec6.52
Yea32.56

Precipitation (in)

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Buenos Aires	1.96	2.6	2.25	2.08	1.7	1.84	1.99	1.81	1.51	2.38	2.1	2.26	2.04
Región Metropolitana de Santiago	0.06	0.06	0.06	0.33	2.44	4.85	2.79	2.12	1.01	0.96	0.44	0.26	1.28

City Buenos Aires

Jan1.96
Feb2.6
Mar2.25
Apr2.08
May1.7
Jun1.84
Jul1.99
Aug1.81
Sep1.51
Oct2.38
Nov2.1
Dec2.26
Yea2.04

City Región Metropolitana de Santiago

Jan0.06
Feb0.06
Mar0.06
Apr0.33
May2.44
Jun4.85
Jul2.79
Aug2.12
Sep1.01
Oct0.96
Nov0.44
Dec0.26
Yea1.28

Number of days with rainfall

Average Number of Rainy Days ( Days )

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Buenos Aires	5.64	7.09	6.36	6.82	5.64	5.45	6.55	4.73	5.45	6.64	5.73	6.64	6.06
Región Metropolitana de Santiago	0.55	0.45	0.36	0.73	4.45	6.09	5.0	4.82	3.91	2.82	1.55	0.82	2.63

City Buenos Aires

Jan5.64
Feb7.09
Mar6.36
Apr6.82
May5.64
Jun5.45
Jul6.55
Aug4.73
Sep5.45
Oct6.64
Nov5.73
Dec6.64
Yea6.06

City Región Metropolitana de Santiago

Jan0.55
Feb0.45
Mar0.36
Apr0.73
May4.45
Jun6.09
Jul5.0
Aug4.82
Sep3.91
Oct2.82
Nov1.55
Dec0.82
Yea2.63

Wind Speed

Average Wind Speed ( km/h )

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Buenos Aires	16.38	16.07	15.78	16.01	15.93	17.15	17.15	16.82	17.85	17.46	16.83	15.7	16.59
Región Metropolitana de Santiago	7.92	7.4	6.8	6.77	7.0	8.69	8.43	8.07	7.7	7.25	7.47	7.63	7.59

City Buenos Aires

Jan16.38
Feb16.07
Mar15.78
Apr16.01
May15.93
Jun17.15
Jul17.15
Aug16.82
Sep17.85
Oct17.46
Nov16.83
Dec15.7
Yea16.59

City Región Metropolitana de Santiago

Jan7.92
Feb7.4
Mar6.8
Apr6.77
May7.0
Jun8.69
Jul8.43
Aug8.07
Sep7.7
Oct7.25
Nov7.47
Dec7.63
Yea7.59

Average Wind Speed ( mph )

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Buenos Aires	10.18	9.99	9.81	9.95	9.9	10.66	10.66	10.45	11.09	10.85	10.46	9.76	10.31
Región Metropolitana de Santiago	4.92	4.6	4.23	4.21	4.35	5.4	5.24	5.01	4.78	4.5	4.64	4.74	4.72

City Buenos Aires

Jan10.18
Feb9.99
Mar9.81
Apr9.95
May9.9
Jun10.66
Jul10.66
Aug10.45
Sep11.09
Oct10.85
Nov10.46
Dec9.76
Yea10.31

City Región Metropolitana de Santiago

Jan4.92
Feb4.6
Mar4.23
Apr4.21
May4.35
Jun5.4
Jul5.24
Aug5.01
Sep4.78
Oct4.5
Nov4.64
Dec4.74
Yea4.72

Average Length of Day ( Hours )

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Buenos Aires	12.93	11.05	10.91	10.09	8.33	7.33	8.38	9.57	10.18	10.87	13.29	13.92	10.57
Región Metropolitana de Santiago	11.53	11.59	11.5	10.88	9.75	9.36	9.54	10.33	11.01	11.11	11.43	11.52	10.8

City Buenos Aires

Jan12.93
Feb11.05
Mar10.91
Apr10.09
May8.33
Jun7.33
Jul8.38
Aug9.57
Sep10.18
Oct10.87
Nov13.29
Dec13.92
Yea10.57

City Región Metropolitana de Santiago

Jan11.53
Feb11.59
Mar11.5
Apr10.88
May9.75
Jun9.36
Jul9.54
Aug10.33
Sep11.01
Oct11.11
Nov11.43
Dec11.52
Yea10.8

Humidity (%)

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Buenos Aires	60.56	64.98	66.39	69.95	75.44	73.74	74.9	73.65	73.18	72.63	67.28	59.95	69.39
Región Metropolitana de Santiago	41.27	40.06	35.09	34.9	40.93	45.92	51.02	49.05	48.45	44.94	39.28	39.1	42.5

City Buenos Aires

Jan60.56
Feb64.98
Mar66.39
Apr69.95
May75.44
Jun73.74
Jul74.9
Aug73.65
Sep73.18
Oct72.63
Nov67.28
Dec59.95
Yea69.39

City Región Metropolitana de Santiago

Jan41.27
Feb40.06
Mar35.09
Apr34.9
May40.93
Jun45.92
Jul51.02
Aug49.05
Sep48.45
Oct44.94
Nov39.28
Dec39.1
Yea42.5

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