Riverside Weather in 1978

Historical record of Riverside, California weather for the year 1978 based on NOAA data.

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1978 Riverside Weather Extremes
Highest temperature	108 °F	July 15
Lowest temperature	27 °F	December 9
Highest daily low	70 °F	September 4
Lowest daily high	48 °F	December 7
Most daily precipitation	1.8 inches	March 1
Most daily snow	none	-
Total annual precipitation	21.5 inches	-
Total annual snow	none	-

What was the hottest temperature in Riverside in 1978?

The highest temperature recorded in Riverside, California in 1978 was 108 °F which happened on July 15.

Highest Temperatures: All-Time By Year

Highest Temperatures in Riverside in 1978

Rank	Temperature	Date
1	108 °F	Jul 15
2	106 °F	Jul 14
3	105 °F	Sep 25
3	105 °F	Sep 24
3	105 °F	Jul 13
6	104 °F	Sep 26
6	104 °F	May 29
8	103 °F	Sep 23
9	102 °F	Oct 13
9	102 °F	Sep 28
9	102 °F	Sep 27
9	102 °F	Aug 6
9	102 °F	Aug 5
9	102 °F	Jul 16
9	102 °F	Jun 23
9	102 °F	May 28

What was the coldest temperature in Riverside in 1978?

The lowest temperature recorded in Riverside, California in 1978 was 27 °F which happened on Dec 9.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Riverside in 1978

Rank	Temperature	Date
1	27 °F	December 9
2	28 °F	December 8
2	28 °F	December 7
4	31 °F	February 12
5	32 °F	December 20
6	33 °F	December 21
6	33 °F	December 3
6	33 °F	January 25
9	34 °F	December 31
9	34 °F	December 23
9	34 °F	December 4
9	34 °F	November 28

January 1978 Riverside Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	67	41	0.00
January 2	65	41	0.00
January 3	59	43	0.56
January 4	61	43	0.31
January 5	63	42	0.56
January 6	60	43	0.25
January 7	69	49	0.00
January 8	72	43	0.00
January 9	65	46	0.50
January 10	57	51	0.60
January 11	63	45	0.30
January 12	66	43	0.00
January 13	73	44	0.00
January 14	65	52	0.56
January 15	69	51	0.49
January 16	58	48	0.22
January 17	63	46	0.62
January 18	61	41	0.00
January 19	59	51	0.87
January 20	63	42	0.00
January 21	68	39	0.00
January 22	64	40	0.00
January 23	61	38	0.00
January 24	63	42	0.00
January 25	68	33	0.00
January 26	71	37	0.00
January 27	73	41	0.00
January 28	75	43	0.00
January 29	76	43	0.00
January 30	67	51	0.10
January 31	61	49	0.04

February 1978 Riverside Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	65	49	0.00
February 2	66	41	0.00
February 3	80	39	0.00
February 4	77	47	0.00
February 5	70	58	0.35
February 6	66	51	0.46
February 7	64	52	0.40
February 8	64	47	0.22
February 9	62	51	0.87
February 10	58	53	0.73
February 11	55	42	0.02
February 12	57	31	0.14
February 13	59	44	0.85
February 14	62	35	0.01
February 15	62	37	0.00
February 16	64	41	0.00
February 17	67	38	0.00
February 18	69	38	0.00
February 19	72	41	0.00
February 20	75	42	0.00
February 21	80	41	0.00
February 22	81	43	0.00
February 23	78	40	0.00
February 24	70	44	0.00
February 25	65	44	0.00
February 26	66	46	0.00
February 27	62	51	0.06
February 28	69	54	0.25

March 1978 Riverside Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	61	54	1.81
March 2	60	54	0.54
March 3	65	50	0.18
March 4	61	53	0.67
March 5	61	51	0.75
March 6	67	49	0.00
March 7	75	43	0.00
March 8	75	49	0.00
March 9	68	50	0.00
March 10	62	45	0.01
March 11	60	51	0.00
March 12	63	43	0.15
March 13	68	40	0.00
March 14	75	43	0.00
March 15	81	42	0.00
March 16	84	43	0.00
March 17	88	46	0.00
March 18	83	46	0.00
March 19	73	47	0.00
March 20	69	53	0.00
March 21	67	51	0.04
March 22	66	52	0.15
March 23	71	54	0.00
March 24	77	45	0.00
March 25	87	47	0.00
March 26	87	49	0.00
March 27	78	49	0.00
March 28	78	56	0.00
March 29	72	57	0.00
March 30	67	54	0.12
March 31	69	52	0.71

April 1978 Riverside Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	70	51	0.05
April 2	69	51	0.02
April 3	70	46	0.00
April 4	65	52	0.08
April 5	72	42	0.00
April 6	67	48	0.00
April 7	65	44	0.65
April 8	63	39	0.01
April 9	73	42	0.02
April 10	78	44	0.00
April 11	77	49	0.00
April 12	71	54	0.00
April 13	69	53	0.00
April 14	69	53	0.00
April 15	66	52	0.34
April 16	65	41	0.39
April 17	69	41	0.00
April 18	82	46	0.00
April 19	77	47	0.00
April 20	72	48	0.00
April 21	71	47	0.00
April 22	78	42	0.00
April 23	82	45	0.00
April 24	77	50	0.00
April 25	71	52	0.08
April 26	73	51	0.00
April 27	75	47	0.00
April 28	79	50	0.00
April 29	73	51	0.00
April 30	69	50	0.00

May 1978 Riverside Weather

Day	High (°F)	Low (°F)
May 1	71	52
May 2	77	46
May 3	78	49
May 4	73	56
May 5	73	53
May 6	81	46
May 7	85	45
May 8	90	49
May 9	89	53
May 10	80	53
May 11	81	55
May 12	100	54
May 13	100	60
May 14	90	57
May 15	83	58
May 16	84	52
May 17	89	55
May 18	95	50
May 19	97	54
May 20	91	56
May 21	83	56
May 22	78	55
May 23	76	57
May 24	76	48
May 25	76	47
May 26	75	50
May 27	86	50
May 28	102	55
May 29	104	59
May 30	97	56
May 31	87	57

June 1978 Riverside Weather

Day	High (°F)	Low (°F)
June 1	79	58
June 2	79	56
June 3	85	51
June 4	86	54
June 5	86	59
June 6	98	59
June 7	96	59
June 8	98	60
June 9	97	60
June 10	94	62
June 11	90	59
June 12	96	58
June 13	98	61
June 14	95	60
June 15	91	55
June 16	92	54
June 17	98	56
June 18	98	62
June 19	97	57
June 20	96	59
June 21	100	62
June 22	97	60
June 23	102	61
June 24	99	62
June 25	92	58
June 26	84	57
June 27	80	61
June 28	83	57
June 29	85	54
June 30	89	57

July 1978 Riverside Weather

Day	High (°F)	Low (°F)
July 1	88	57
July 2	89	54
July 3	88	54
July 4	88	56
July 5	88	57
July 6	93	58
July 7	92	59
July 8	99	59
July 9	95	64
July 10	92	57
July 11	92	57
July 12	97	58
July 13	105	58
July 14	106	65
July 15	108	68
July 16	102	67
July 17	98	63
July 18	97	62
July 19	94	61
July 20	97	62
July 21	99	60
July 22	95	61
July 23	101	63
July 24	98	66
July 25	99	66
July 26	98	67
July 27	98	67
July 28	98	66
July 29	96	66
July 30	99	63
July 31	94	62

August 1978 Riverside Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	95	62	0.00
August 2	92	62	0.00
August 3	92	64	0.00
August 4	101	67	0.00
August 5	102	69	0.00
August 6	102	68	0.00
August 7	100	68	0.00
August 8	n/a	68	0.00
August 9	95	69	0.01
August 10	96	65	0.00
August 11	92	66	0.00
August 12	90	62	0.00
August 13	88	62	0.00
August 14	90	62	0.00
August 15	94	60	0.00
August 16	91	56	0.00
August 17	88	55	0.00
August 18	92	55	0.00
August 19	91	57	0.00
August 20	95	56	0.00
August 21	91	59	0.00
August 22	88	53	0.00
August 23	89	55	0.00
August 24	88	50	0.00
August 25	87	52	0.00
August 26	88	55	0.00
August 27	91	58	0.00
August 28	95	60	0.00
August 29	93	61	0.00
August 30	93	64	0.00
August 31	95	60	0.00

September 1978 Riverside Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	95	61	0.00
September 2	97	61	0.00
September 3	97	64	0.00
September 4	97	70	0.00
September 5	88	67	0.57
September 6	79	67	0.58
September 7	81	59	0.00
September 8	85	54	0.00
September 9	83	55	0.00
September 10	82	60	0.00
September 11	85	63	0.00
September 12	79	58	0.00
September 13	78	63	0.00
September 14	76	63	0.00
September 15	82	56	0.00
September 16	82	58	0.00
September 17	79	63	0.00
September 18	78	55	0.00
September 19	82	55	0.00
September 20	84	58	0.00
September 21	92	47	0.00
September 22	97	49	0.00
September 23	103	56	0.00
September 24	105	61	0.00
September 25	105	62	0.00
September 26	104	63	0.00
September 27	102	64	0.00
September 28	102	64	0.00
September 29	101	65	0.00
September 30	93	61	0.00

October 1978 Riverside Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	88	62	0.00
October 2	87	61	0.00
October 3	90	60	0.00
October 4	89	62	0.00
October 5	85	61	0.00
October 6	90	59	0.00
October 7	88	59	0.00
October 8	90	58	0.00
October 9	91	59	0.00
October 10	93	57	0.00
October 11	95	57	0.00
October 12	96	54	0.00
October 13	102	50	0.00
October 14	96	55	0.00
October 15	93	56	0.00
October 16	87	53	0.00
October 17	78	53	0.00
October 18	84	51	0.00
October 19	88	53	0.00
October 20	77	60	0.00
October 21	78	45	0.10
October 22	87	55	0.00
October 23	85	54	0.00
October 24	82	62	0.00
October 25	75	56	0.00
October 26	82	51	0.00
October 27	87	49	0.00
October 28	83	48	0.00
October 29	78	54	0.00
October 30	68	51	0.00
October 31	72	49	0.00

November 1978 Riverside Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	69	47	0.00
November 2	70	43	0.00
November 3	83	43	0.00
November 4	87	47	0.00
November 5	74	47	0.00
November 6	88	45	0.00
November 7	87	47	0.00
November 8	90	46	0.00
November 9	75	45	0.00
November 10	64	55	0.01
November 11	58	48	0.70
November 12	58	36	0.26
November 13	54	38	0.09
November 14	61	45	0.12
November 15	65	35	0.00
November 16	68	35	0.00
November 17	70	37	0.00
November 18	73	38	0.00
November 19	70	38	0.00
November 20	62	45	0.00
November 21	59	48	0.38
November 22	62	40	0.05
November 23	66	45	0.00
November 24	62	49	0.00
November 25	61	43	0.00
November 26	62	39	0.00
November 27	63	39	0.00
November 28	67	34	0.00
November 29	68	37	0.00
November 30	71	38	0.00

December 1978 Riverside Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	63	41	0.07
December 2	63	39	0.00
December 3	62	33	0.00
December 4	62	34	0.00
December 5	59	35	0.00
December 6	53	37	0.00
December 7	48	28	0.00
December 8	52	28	0.00
December 9	61	27	0.00
December 10	72	43	0.00
December 11	74	42	0.00
December 12	74	37	0.00
December 13	73	46	0.00
December 14	74	36	0.00
December 15	68	35	0.00
December 16	69	35	0.00
December 17	60	47	0.55
December 18	54	42	0.62
December 19	53	40	0.32
December 20	59	32	0.00
December 21	66	33	0.00
December 22	69	35	0.00
December 23	69	34	0.00
December 24	71	35	0.00
December 25	69	35	0.00
December 26	68	35	0.00
December 27	60	35	0.00
December 28	60	40	0.00
December 29	64	41	0.00
December 30	64	35	0.00
December 31	63	34	0.00

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Weather Station Details

Years	Station	Coordinates
1999–2024	Riverside Municipal Airport	location
1893–1998	Riverside Fire Station	location