Weather Averages for Viana Do Castelo, Portugal

7-day Forecast / 10-day Forecast

Latitude: 41°42'N, Longitude: 8°48'W, Elevation: 59.0 ft, Distance: 0.00 mi Viana Do Castelo, Portugal Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 20 years	°F	59	48	51	53	55	60	64	69	68	66	60	55	51
Average high temperature over 20 years	°F	66	55	57	60	62	66	73	77	77	75	66	60	57
Average low temperature over 20 years	°F	51	42	44	46	48	51	57	60	59	57	53	48	44
Highest recorded temperature over 20 years	°F	100	77	75	82	86	93	100	100	100	100	91	75	75
Lowest recorded temperature over 20 years	°F	26	26	28	32	32	35	41	48	46	39	34	30	26
Average number of days above 90°F over 20 years	days	8	-	-	-	-	-	1	3	2	2	-	-	-
Average precipitation over 30 years	in	54.0	7.6	6.9	4.2	4.5	3.2	2.0	0.6	0.7	3.4	6.0	6.8	7.9
Average dew point over 17 years	°F	51	43	44	46	46	51	55	59	59	57	53	48	46
Most recorded rainfall over 30 years	in	71.4	17.0	14.1	13.6	11.3	8.7	3.9	2.5	2.1	13.1	19.0	15.5	20.7
Least recorded rainfall over 30 years	in	33.7	0.9	1.3	0.1	0.8	0.4	-	-	-	-	0.3	-	0.4
Average number of days with thunderstorms over 18 years	days	11	1	1	1	1	1	1	1	-	1	1	1	1
Average number of days with fog over 18 years	days	281	24	20	22	20	24	24	26	26	24	24	23	24
Average morning relative humidity over 19 years	%	90	91	89	88	86	88	89	90	91	91	91	92	89
Average evening relative humidity over 15 years	%	64	69	69	64	62	62	62	60	59	60	66	70	71
Average wind speed over 17 years	mph	5.0	3.0	4.0	6.0	4.0	6.0	6.0	5.0	6.0	5.0	4.0	3.0	3.0
Average number of days below 32°F over 20 years	days	9	4	1	-	-	-	-	-	-	-	-	-	3
Average number of days above 65°F over 20 years	days	179	1	2	7	11	16	25	30	31	28	18	8	2

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