Compare Porto and Swansea Weather

Porto is 1217.0 kilometers (756.2 miles) away and has the same time zone with Swansea, United Kingdom. Porto's climate is classified as Mediterranean, warm summer (Köppen climate classification: Csb) while Swansea has a Marine west coast, warm summer climate (Cfb).

Porto generally has warmer weather than Swansea. The average mean temperature in Porto is 16.65°C (61.97°F) while Swansea’s temperature is 11.53°C (52.75°F) and the difference is 5.12°C (41.22°F). Porto is warmest on average in August, when the day time temperature may reach 22.67°C (72.81°F), while Swansea is warmest in July when the average high temperature is 16.85°C (62.33°F). Porto is coldest in February when the average low temperature is 8.02°C (46.44°F), while February is the coldest month in Swansea, when night time temperature often falls below 4.84°C (40.71°F).

Finally, Porto has about 1.34 times more rainfall than Swansea, (Porto’s 140.76mm vs Swansea’s average of 104.82mm).

Comparison summary

Weather	Porto	Swansea	Difference
Hottest month	August: 22.67°C (72.81°F)	July: 16.85°C (62.33°F)	5.82°C (42.48°F)
Coldest month	February: 8.02°C (46.44°F)	February: 4.84°C (40.71°F)	3.18°C (37.72°F)
Wettest month	January: 243.8mm (9.6in)	December: 147.95mm (5.82in)	95.85mm (3.77in)
Driest month	July: 16.08mm (0.63in)	April: 56.99mm (2.24in)	40.91mm (1.61in)

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
Porto	11.0	11.21	13.16	15.27	18.05	20.18	22.5	22.67	21.54	18.4	13.86	11.9	16.65
Swansea	6.83	6.73	7.86	10.12	12.48	15.13	16.85	16.57	15.16	12.76	9.73	8.11	11.53

City Porto

Jan11.0
Feb11.21
Mar13.16
Apr15.27
May18.05
Jun20.18
Jul22.5
Aug22.67
Sep21.54
Oct18.4
Nov13.86
Dec11.9
Yea16.65

City Swansea

Jan6.83
Feb6.73
Mar7.86
Apr10.12
May12.48
Jun15.13
Jul16.85
Aug16.57
Sep15.16
Oct12.76
Nov9.73
Dec8.11
Yea11.53

Average Temperature ( °F )

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Porto	51.8	52.18	55.69	59.49	64.49	68.32	72.5	72.81	70.77	65.12	56.95	53.42	61.97
Swansea	44.29	44.11	46.15	50.22	54.46	59.23	62.33	61.83	59.29	54.97	49.51	46.6	52.75

City Porto

Jan51.8
Feb52.18
Mar55.69
Apr59.49
May64.49
Jun68.32
Jul72.5
Aug72.81
Sep70.77
Oct65.12
Nov56.95
Dec53.42
Yea61.97

City Swansea

Jan44.29
Feb44.11
Mar46.15
Apr50.22
May54.46
Jun59.23
Jul62.33
Aug61.83
Sep59.29
Oct54.97
Nov49.51
Dec46.6
Yea52.75

Precipitation

Precipitation (mm)

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Porto	243.8	209.65	169.79	145.1	106.0	45.89	16.08	23.91	74.1	234.3	200.37	220.14	140.76
Swansea	140.51	103.35	81.2	56.99	70.78	89.05	80.4	125.54	90.26	136.08	135.73	147.95	104.82

City Porto

Jan243.8
Feb209.65
Mar169.79
Apr145.1
May106.0
Jun45.89
Jul16.08
Aug23.91
Sep74.1
Oct234.3
Nov200.37
Dec220.14
Yea140.76

City Swansea

Jan140.51
Feb103.35
Mar81.2
Apr56.99
May70.78
Jun89.05
Jul80.4
Aug125.54
Sep90.26
Oct136.08
Nov135.73
Dec147.95
Yea104.82

Precipitation (in)

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Porto	9.6	8.25	6.68	5.71	4.17	1.81	0.63	0.94	2.92	9.22	7.89	8.67	5.54
Swansea	5.53	4.07	3.2	2.24	2.79	3.51	3.17	4.94	3.55	5.36	5.34	5.82	4.13

City Porto

Jan9.6
Feb8.25
Mar6.68
Apr5.71
May4.17
Jun1.81
Jul0.63
Aug0.94
Sep2.92
Oct9.22
Nov7.89
Dec8.67
Yea5.54

City Swansea

Jan5.53
Feb4.07
Mar3.2
Apr2.24
May2.79
Jun3.51
Jul3.17
Aug4.94
Sep3.55
Oct5.36
Nov5.34
Dec5.82
Yea4.13

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
Porto	14.27	12.09	13.36	12.18	9.36	7.27	3.36	4.55	6.18	12.09	15.36	13.0	10.26
Swansea	17.73	14.91	12.36	10.45	11.55	13.82	13.64	17.73	14.18	16.55	17.64	19.09	14.97

City Porto

Jan14.27
Feb12.09
Mar13.36
Apr12.18
May9.36
Jun7.27
Jul3.36
Aug4.55
Sep6.18
Oct12.09
Nov15.36
Dec13.0
Yea10.26

City Swansea

Jan17.73
Feb14.91
Mar12.36
Apr10.45
May11.55
Jun13.82
Jul13.64
Aug17.73
Sep14.18
Oct16.55
Nov17.64
Dec19.09
Yea14.97

Wind Speed

Average Wind Speed ( km/h )

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Porto	12.23	12.99	12.5	11.39	11.49	10.94	10.63	10.28	9.58	11.07	12.31	12.21	11.47
Swansea	24.67	25.31	21.62	18.12	17.0	16.83	16.52	18.06	19.27	22.38	24.0	25.78	20.8

City Porto

Jan12.23
Feb12.99
Mar12.5
Apr11.39
May11.49
Jun10.94
Jul10.63
Aug10.28
Sep9.58
Oct11.07
Nov12.31
Dec12.21
Yea11.47

City Swansea

Jan24.67
Feb25.31
Mar21.62
Apr18.12
May17.0
Jun16.83
Jul16.52
Aug18.06
Sep19.27
Oct22.38
Nov24.0
Dec25.78
Yea20.8

Average Wind Speed ( mph )

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Porto	7.6	8.07	7.77	7.08	7.14	6.8	6.61	6.39	5.95	6.88	7.65	7.59	7.13
Swansea	15.33	15.73	13.43	11.26	10.56	10.46	10.27	11.22	11.97	13.91	14.91	16.02	12.92

City Porto

Jan7.6
Feb8.07
Mar7.77
Apr7.08
May7.14
Jun6.8
Jul6.61
Aug6.39
Sep5.95
Oct6.88
Nov7.65
Dec7.59
Yea7.13

City Swansea

Jan15.33
Feb15.73
Mar13.43
Apr11.26
May10.56
Jun10.46
Jul10.27
Aug11.22
Sep11.97
Oct13.91
Nov14.91
Dec16.02
Yea12.92

Average Length of Day ( Hours )

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Porto	6.81	8.81	9.95	11.58	13.37	13.6	13.97	13.34	11.01	8.59	7.17	6.95	10.43
Swansea	5.32	5.98	9.17	12.19	12.78	12.82	12.77	12.07	10.56	6.38	5.93	5.08	9.25

City Porto

Jan6.81
Feb8.81
Mar9.95
Apr11.58
May13.37
Jun13.6
Jul13.97
Aug13.34
Sep11.01
Oct8.59
Nov7.17
Dec6.95
Yea10.43

City Swansea

Jan5.32
Feb5.98
Mar9.17
Apr12.19
May12.78
Jun12.82
Jul12.77
Aug12.07
Sep10.56
Oct6.38
Nov5.93
Dec5.08
Yea9.25

Humidity (%)

City	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Porto	80.3	77.77	75.89	74.98	71.99	72.5	71.33	69.42	68.69	72.01	78.03	77.84	74.23
Swansea	83.57	81.66	81.17	80.1	80.79	82.92	82.67	83.07	82.11	82.48	82.6	83.14	82.19

City Porto

Jan80.3
Feb77.77
Mar75.89
Apr74.98
May71.99
Jun72.5
Jul71.33
Aug69.42
Sep68.69
Oct72.01
Nov78.03
Dec77.84
Yea74.23

City Swansea

Jan83.57
Feb81.66
Mar81.17
Apr80.1
May80.79
Jun82.92
Jul82.67
Aug83.07
Sep82.11
Oct82.48
Nov82.6
Dec83.14
Yea82.19

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