San Rafael Weather in 2021

Historical record of San Rafael, California weather for the year 2021 based on NOAA data.

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2021 San Rafael Weather Extremes
Highest temperature	103 °F	June 17
Lowest temperature	37 °F	March 17
Highest daily low	62 °F	June 18
Lowest daily high	53 °F	March 18
Most daily precipitation	2.7 inches	October 24
Total annual precipitation	19.2 inches	-

What was the hottest temperature in San Rafael in 2021?

The highest temperature recorded in San Rafael, California in 2021 was 103 °F which happened on June 17.

Highest Temperatures: All-Time By Year

Highest Temperatures in San Rafael in 2021

Rank	Temperature	Date
1	103 °F	Jun 17
2	101 °F	Aug 28
3	97 °F	Aug 27
4	95 °F	Oct 2
4	95 °F	Oct 1
4	95 °F	Sep 20
4	95 °F	Sep 7
4	95 °F	Jun 18
9	94 °F	Oct 3
9	94 °F	Sep 6
9	94 °F	Aug 16
9	94 °F	May 8

What was the coldest temperature in San Rafael in 2021?

The lowest temperature recorded in San Rafael, California in 2021 was 37 °F which happened on Mar 17.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in San Rafael in 2021

Rank	Temperature	Date
1	37 °F	March 17
2	39 °F	March 16
2	39 °F	February 8
2	39 °F	February 5
5	40 °F	March 11
5	40 °F	March 5
5	40 °F	March 2
5	40 °F	February 17
9	41 °F	March 15
9	41 °F	March 10
9	41 °F	March 7
9	41 °F	March 4
9	41 °F	March 1
9	41 °F	February 27
9	41 °F	February 18

January 2021 San Rafael Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	n/a	n/a	n/a
January 2	n/a	n/a	n/a
January 3	n/a	n/a	n/a
January 4	n/a	n/a	n/a
January 5	n/a	n/a	n/a
January 6	n/a	n/a	n/a
January 7	n/a	n/a	n/a
January 8	n/a	n/a	n/a
January 9	n/a	n/a	n/a
January 10	n/a	n/a	n/a
January 11	n/a	n/a	0.00
January 12	n/a	n/a	0.00
January 13	n/a	n/a	0.00
January 14	n/a	n/a	0.00
January 15	n/a	n/a	0.00
January 16	n/a	n/a	0.00
January 17	n/a	n/a	0.00
January 18	n/a	n/a	0.00
January 19	n/a	n/a	0.00
January 20	n/a	n/a	0.00
January 21	n/a	n/a	0.00
January 22	n/a	n/a	0.23
January 23	n/a	n/a	0.00
January 24	n/a	n/a	0.29
January 25	n/a	n/a	0.00
January 26	n/a	n/a	1.52
January 27	n/a	n/a	0.67
January 28	n/a	n/a	0.42
January 29	n/a	n/a	0.15
January 30	n/a	n/a	0.00
January 31	n/a	n/a	0.00

February 2021 San Rafael Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	n/a	n/a	0.25
February 2	n/a	n/a	0.09
February 3	n/a	n/a	n/a
February 4	n/a	n/a	n/a
February 5	68	39	0.00
February 6	71	42	0.00
February 7	70	42	0.00
February 8	63	39	0.00
February 9	66	49	0.00
February 10	67	46	0.00
February 11	58	45	0.06
February 12	65	46	0.00
February 13	63	47	0.04
February 14	58	46	0.01
February 15	60	48	0.02
February 16	58	45	0.00
February 17	67	40	0.00
February 18	64	41	0.00
February 19	62	48	0.00
February 20	64	46	0.02
February 21	68	43	0.00
February 22	75	45	0.00
February 23	83	50	0.00
February 24	72	48	0.00
February 25	69	44	0.00
February 26	67	44	0.00
February 27	66	41	0.00
February 28	70	44	0.00

March 2021 San Rafael Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	66	41	0.00
March 2	71	40	0.00
March 3	67	43	0.00
March 4	62	41	0.00
March 5	67	40	0.21
March 6	64	42	0.01
March 7	66	41	0.00
March 8	60	45	0.03
March 9	54	42	0.28
March 10	59	41	0.13
March 11	64	40	0.03
March 12	72	43	0.00
March 13	63	45	0.00
March 14	55	43	0.17
March 15	56	41	0.01
March 16	57	39	0.00
March 17	55	37	0.00
March 18	53	48	0.37
March 19	66	47	0.01
March 20	66	45	0.00
March 21	70	43	0.00
March 22	67	44	0.00
March 23	69	44	0.00
March 24	74	48	0.00
March 25	68	47	0.00
March 26	75	45	0.00
March 27	78	43	0.00
March 28	79	45	0.00
March 29	70	43	0.00
March 30	81	46	0.00
March 31	81	44	0.00

April 2021 San Rafael Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	86	50	0.00
April 2	73	45	0.00
April 3	65	47	0.00
April 4	67	48	0.00
April 5	66	47	0.00
April 6	69	45	0.00
April 7	67	46	0.00
April 8	75	45	0.00
April 9	71	46	0.00
April 10	77	43	0.00
April 11	77	44	0.00
April 12	79	44	0.00
April 13	71	46	0.00
April 14	69	45	0.00
April 15	73	42	0.00
April 16	76	43	0.00
April 17	80	45	0.00
April 18	89	44	0.00
April 19	80	46	0.00
April 20	70	49	0.00
April 21	66	47	0.00
April 22	64	44	0.00
April 23	70	45	0.00
April 24	67	47	0.00
April 25	63	47	0.03
April 26	68	45	0.00
April 27	78	44	0.00
April 28	89	48	0.00
April 29	81	48	0.00
April 30	76	46	0.00

May 2021 San Rafael Weather

Day	High (°F)	Low (°F)
May 1	n/a	50
May 2	n/a	50
May 3	n/a	52
May 4	n/a	54
May 5	n/a	49
May 6	n/a	45
May 7	81	48
May 8	94	44
May 9	90	54
May 10	n/a	52
May 11	81	51
May 12	n/a	46
May 13	67	48
May 14	n/a	48
May 15	60	50
May 16	69	50
May 17	n/a	50
May 18	80	49
May 19	n/a	49
May 20	72	45
May 21	n/a	48
May 22	n/a	47
May 23	n/a	48
May 24	85	47
May 25	n/a	53
May 26	n/a	49
May 27	82	49
May 28	n/a	51
May 29	n/a	48
May 30	n/a	49
May 31	n/a	53

June 2021 San Rafael Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	79	52	0.00
June 2	75	49	0.00
June 3	n/a	50	0.00
June 4	n/a	54	0.00
June 5	n/a	51	0.00
June 6	n/a	52	0.00
June 7	n/a	51	0.00
June 8	n/a	50	0.00
June 9	72	49	0.00
June 10	n/a	49	0.00
June 11	n/a	52	0.00
June 12	n/a	61	0.00
June 13	n/a	62	0.00
June 14	n/a	57	0.00
June 15	n/a	53	0.00
June 16	n/a	56	0.00
June 17	103	60	0.00
June 18	95	62	0.00
June 19	80	56	0.00
June 20	81	52	0.00
June 21	n/a	n/a	n/a
June 22	n/a	n/a	n/a
June 23	n/a	n/a	n/a
June 24	n/a	n/a	n/a
June 25	n/a	n/a	n/a
June 26	n/a	n/a	n/a
June 27	n/a	n/a	n/a
June 28	n/a	n/a	n/a
June 29	n/a	n/a	n/a
June 30	n/a	n/a	n/a

July 2021 San Rafael Weather

Day	High (°F)	Low (°F)
July 1	72	57
July 2	77	55
July 3	79	55
July 4	n/a	55
July 5	n/a	53
July 6	n/a	55
July 7	n/a	54
July 8	86	52
July 9	93	60
July 10	n/a	57
July 11	n/a	53
July 12	n/a	51
July 13	n/a	51
July 14	75	53
July 15	74	52
July 16	75	52
July 17	83	53
July 18	82	54
July 19	80	56
July 20	n/a	53
July 21	n/a	n/a
July 22	80	n/a
July 23	80	51
July 24	80	52
July 25	82	53
July 26	74	54
July 27	93	57
July 28	85	56
July 29	85	56
July 30	84	55
July 31	n/a	55

August 2021 San Rafael Weather

Day	High (°F)	Low (°F)
August 1	85	56
August 2	86	55
August 3	83	51
August 4	n/a	52
August 5	n/a	56
August 6	n/a	56
August 7	77	55
August 8	76	55
August 9	80	53
August 10	90	54
August 11	90	56
August 12	n/a	58
August 13	88	57
August 14	87	57
August 15	n/a	57
August 16	94	56
August 17	85	58
August 18	77	55
August 19	79	55
August 20	80	57
August 21	73	57
August 22	73	56
August 23	76	53
August 24	73	52
August 25	78	51
August 26	91	51
August 27	97	57
August 28	101	61
August 29	87	58
August 30	80	54
August 31	76	56

September 2021 San Rafael Weather

Day	High (°F)	Low (°F)
September 1	72	54
September 2	72	56
September 3	77	54
September 4	84	49
September 5	92	49
September 6	94	54
September 7	95	57
September 8	91	61
September 9	88	58
September 10	n/a	58
September 11	79	56
September 12	91	54
September 13	82	55
September 14	86	53
September 15	76	54
September 16	68	54
September 17	69	54
September 18	73	54
September 19	81	61
September 20	95	56
September 21	n/a	59
September 22	87	55
September 23	91	50
September 24	82	55
September 25	77	53
September 26	76	57
September 27	77	57
September 28	79	54
September 29	83	50
September 30	90	53

October 2021 San Rafael Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	95	56	0.00
October 2	95	56	0.00
October 3	94	57	0.00
October 4	87	58	0.00
October 5	74	50	0.00
October 6	74	52	0.00
October 7	69	50	0.00
October 8	67	52	0.00
October 9	n/a	48	0.00
October 10	79	50	0.00
October 11	71	52	0.00
October 12	75	51	0.00
October 13	72	50	0.00
October 14	80	46	0.00
October 15	86	49	0.00
October 16	n/a	n/a	0.00
October 17	n/a	n/a	0.04
October 18	n/a	n/a	0.00
October 19	n/a	n/a	0.13
October 20	n/a	n/a	1.16
October 21	n/a	n/a	1.21
October 22	n/a	n/a	0.31
October 23	n/a	n/a	0.55
October 24	n/a	n/a	2.66
October 25	n/a	n/a	0.00
October 26	n/a	n/a	0.00
October 27	n/a	n/a	0.00
October 28	n/a	n/a	0.00
October 29	n/a	n/a	0.00
October 30	n/a	n/a	0.00
October 31	n/a	n/a	0.00

November 2021 San Rafael Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	n/a	n/a	n/a
November 2	n/a	n/a	n/a
November 3	n/a	n/a	n/a
November 4	n/a	n/a	n/a
November 5	n/a	n/a	n/a
November 6	n/a	n/a	n/a
November 7	n/a	n/a	n/a
November 8	n/a	n/a	0.09
November 9	n/a	n/a	0.06
November 10	n/a	n/a	0.00
November 11	n/a	n/a	0.00
November 12	n/a	n/a	0.00
November 13	n/a	n/a	0.00
November 14	n/a	n/a	0.00
November 15	n/a	n/a	0.00
November 16	n/a	n/a	0.00
November 17	n/a	n/a	0.00
November 18	n/a	n/a	0.00
November 19	n/a	n/a	0.01
November 20	n/a	n/a	0.00
November 21	n/a	n/a	0.00
November 22	n/a	n/a	0.00
November 23	n/a	n/a	0.00
November 24	n/a	n/a	0.00
November 25	n/a	n/a	0.00
November 26	n/a	n/a	0.00
November 27	n/a	n/a	0.00
November 28	n/a	n/a	0.00
November 29	n/a	n/a	0.00
November 30	n/a	n/a	0.00

December 2021 San Rafael Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	n/a	n/a	0.00
December 2	n/a	n/a	0.00
December 3	n/a	n/a	0.00
December 4	n/a	n/a	0.00
December 5	n/a	n/a	0.00
December 6	n/a	n/a	0.00
December 7	n/a	n/a	0.00
December 8	n/a	n/a	0.00
December 9	n/a	n/a	0.00
December 10	n/a	n/a	0.00
December 11	n/a	n/a	0.00
December 12	n/a	n/a	1.91
December 13	n/a	n/a	n/a
December 14	n/a	n/a	0.09
December 15	n/a	n/a	0.73
December 16	n/a	n/a	0.85
December 17	n/a	n/a	0.00
December 18	n/a	n/a	0.00
December 19	n/a	n/a	0.00
December 20	n/a	n/a	0.00
December 21	n/a	n/a	0.33
December 22	n/a	n/a	0.87
December 23	n/a	n/a	1.02
December 24	n/a	n/a	0.16
December 25	n/a	n/a	0.75
December 26	n/a	n/a	0.16
December 27	n/a	n/a	0.24
December 28	n/a	n/a	0.19
December 29	n/a	n/a	0.62
December 30	n/a	n/a	0.00
December 31	n/a	n/a	0.00

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Weather Station Details

Years	Station	Coordinates
1894–2024	San Rafael Civic Center	location