Weather Averages Atherton, CA

Weather Averages for
Atherton, CA

Latitude: 37°25'N, Longitude: 122°3'W, Elevation: 11.9 m, Distance: 5.46 km

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 49 years	°C	15	10	11	12	14	16	18	18	19	18	17	13	10
Average high temperature over 49 years	°C	20	14	16	17	19	21	23	23	23	24	22	18	14
Average low temperature over 49 years	°C	10	5	6	7	8	10	12	13	14	13	11	8	5
Highest recorded temperature over 49 years	°C	40	24	27	28	35	39	40	40	38	40	37	30	24
Lowest recorded temperature over 49 years	°C	-6	-6	-3	-1	0	3	6	7	8	5	0	-1	-5
Average number of days above 27°C over 49 years	days	5	-	-	-	-	1	1	1	1	2	1	-	-
Average precipitation over 49 years	cm	34.3	6.9	5.8	5.3	2.3	1.0	0.3	-	-	0.5	1.8	4.3	5.8
Average dew point over 49 years	°C	8	4	6	6	7	8	11	12	12	12	10	7	5
Average number of days above 17°C over 49 years	days	155	-	2	5	9	14	22	26	27	25	19	6	1
Most recorded rainfall over 49 years	cm	79.8	17.3	18.5	16.3	10.2	4.3	1.3	1.3	1.5	5.1	8.9	14.2	24.1
Least recorded rainfall over 49 years	cm	15.2	0.5	0.3	0.3	-	-	-	-	-	-	-	-	-
Average number of days with thunderstorms over 40 years	days	6	-	-	-	-	-	-	-	-	-	-	-	-
Average number of days with fog over 40 years	days	94	13	9	5	4	3	3	6	7	8	10	11	15
Average morning relative humidity over 49 years	%	79	82	81	79	76	73	73	77	79	79	79	81	82
Average evening relative humidity over 49 years	%	57	61	59	56	52	53	54	58	58	55	54	59	63
Average wind speed over 12 years	km/h	-	14.5	12.9	14.5	16.1	17.7	17.7	-	-	-	-	-	-
Average number of days below -1.5°C over 49 years	days	5	2	1	-	-	-	-	-	-	-	-	-	1

Check weather averages for nearby locations (some locations might offer more data):

Latitude: 37°18'N, Longitude: 122°20'W, Elevation: 109.7 m, Distance: 7.95 km

Latitude: 37°37'N, Longitude: 122°22'W, Elevation: 4.9 m, Distance: 8.93 km

Latitude: 37°37'N, Longitude: 122°23'W, Elevation: 2.4 m, Distance: 9.30 km

Latitude: 37°24'N, Longitude: 121°54'W, Elevation: 20.1 m, Distance: 10.60 km

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