Indianapolis Weather in 2021

Historical record of Indianapolis, Indiana weather for the year 2021 based on NOAA data.

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2021 Indianapolis Weather Extremes
Highest temperature	94 °F	August 24
Lowest temperature	0 °F	February 7
Highest daily low	75 °F	August 11
Lowest daily high	16 °F	February 15
Most daily precipitation	2.8 inches	July 1
Most daily snow	6.8 inches	February 15
Total annual precipitation	49.8 inches	-
Total annual snow	22.2 inches	-

What was the hottest temperature in Indianapolis in 2021?

The highest temperature recorded in Indianapolis, Indiana in 2021 was 94 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Indianapolis in 2021

Rank	Temperature	Date
1	94 °F	Aug 24
1	94 °F	Aug 12
3	93 °F	Aug 27
3	93 °F	Aug 22
3	93 °F	Jun 18
3	93 °F	Jun 12
7	92 °F	Aug 26
7	92 °F	Aug 23
7	92 °F	Aug 10
7	92 °F	Jun 29

What was the coldest temperature in Indianapolis in 2021?

The lowest temperature recorded in Indianapolis, Indiana in 2021 was 0 °F which happened on Feb 7.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Indianapolis in 2021

Rank	Temperature	Date
1	0 °F	February 7
2	2 °F	February 17
3	3 °F	February 14
4	4 °F	February 16
5	7 °F	February 19
6	10 °F	February 15
6	10 °F	February 8
8	11 °F	February 6
9	12 °F	February 20
9	12 °F	January 23

January 2021 Indianapolis Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	43	27	0.77	0.0
January 2	36	32	0.03	0.2
January 3	35	31	0.00	0.0
January 4	44	26	0.00	0.0
January 5	37	30	0.00	0.0
January 6	39	31	0.00	0.0
January 7	38	33	0.00	0.0
January 8	33	28	0.00	0.0
January 9	31	21	0.00	0.0
January 10	31	20	0.00	0.0
January 11	27	22	0.00	0.0
January 12	42	22	0.00	0.0
January 13	48	26	0.00	0.0
January 14	46	30	0.01	0.0
January 15	42	29	0.03	0.4
January 16	33	21	0.09	1.8
January 17	33	29	0.05	0.5
January 18	34	27	0.00	0.0
January 19	40	21	0.00	0.0
January 20	35	21	0.00	0.0
January 21	49	29	0.00	0.0
January 22	35	17	0.00	0.0
January 23	33	12	0.00	0.0
January 24	33	27	0.04	0.3
January 25	33	30	0.30	0.0
January 26	38	31	0.03	0.0
January 27	31	21	0.06	0.5
January 28	32	16	0.00	0.0
January 29	35	18	0.00	0.0
January 30	36	26	0.48	3.6
January 31	35	29	0.50	0.6

February 2021 Indianapolis Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	32	23	0.02	0.3
February 2	33	20	0.00	0.0
February 3	36	19	0.00	0.0
February 4	38	27	0.23	0.0
February 5	34	20	0.00	0.0
February 6	28	11	0.04	0.8
February 7	17	0	0.00	0.2
February 8	25	10	0.00	0.2
February 9	26	19	0.03	0.2
February 10	23	19	0.04	0.3
February 11	25	18	0.03	0.2
February 12	27	19	0.00	0.0
February 13	26	13	0.00	0.0
February 14	20	3	0.00	0.0
February 15	16	10	0.56	6.8
February 16	19	4	0.01	1.3
February 17	22	2	0.00	0.0
February 18	25	13	0.14	1.5
February 19	22	7	0.00	0.0
February 20	33	12	0.00	0.0
February 21	44	19	0.00	0.0
February 22	40	33	0.04	0.0
February 23	52	35	0.00	0.0
February 24	58	33	0.00	0.0
February 25	47	25	0.00	0.0
February 26	47	28	0.03	0.0
February 27	56	39	0.11	0.0
February 28	61	39	0.56	0.0

March 2021 Indianapolis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	44	27	0.00
March 2	44	21	0.00
March 3	62	28	0.00
March 4	49	30	0.00
March 5	48	24	0.00
March 6	49	25	0.00
March 7	52	26	0.00
March 8	67	32	0.00
March 9	68	42	0.00
March 10	71	52	0.00
March 11	66	46	0.62
March 12	60	38	0.00
March 13	52	37	0.00
March 14	54	33	0.00
March 15	44	32	0.33
March 16	50	35	0.35
March 17	62	41	0.00
March 18	55	37	1.23
March 19	49	30	0.00
March 20	58	27	0.00
March 21	66	31	0.00
March 22	67	43	0.00
March 23	64	49	0.08
March 24	72	49	0.01
March 25	61	44	0.61
March 26	58	45	0.00
March 27	74	44	0.47
March 28	53	33	0.11
March 29	59	29	0.00
March 30	74	40	0.06
March 31	54	32	0.00

April 2021 Indianapolis Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	40	26	0.00	0.0
April 2	49	22	0.00	0.0
April 3	66	32	0.00	0.0
April 4	74	43	0.00	0.0
April 5	77	50	0.00	0.0
April 6	78	54	0.00	0.0
April 7	79	57	0.23	0.0
April 8	67	55	0.27	0.0
April 9	78	49	0.00	0.0
April 10	64	49	1.55	0.0
April 11	52	47	0.17	0.0
April 12	67	48	0.02	0.0
April 13	67	45	0.00	0.0
April 14	61	42	0.00	0.0
April 15	56	36	0.00	0.0
April 16	61	36	0.00	0.0
April 17	62	43	0.00	0.0
April 18	63	36	0.00	0.0
April 19	67	40	0.00	0.0
April 20	44	30	0.35	2.0
April 21	49	26	0.01	0.0
April 22	54	31	0.00	0.0
April 23	60	36	0.00	0.0
April 24	54	43	0.03	0.0
April 25	60	41	0.00	0.0
April 26	76	41	0.00	0.0
April 27	82	61	0.00	0.0
April 28	72	66	0.31	0.0
April 29	67	51	0.86	0.0
April 30	68	43	0.00	0.0

May 2021 Indianapolis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	75	38	0.00
May 2	77	57	0.03
May 3	69	56	0.36
May 4	67	50	0.14
May 5	61	47	0.00
May 6	59	41	0.25
May 7	64	38	0.09
May 8	58	36	0.08
May 9	48	37	0.93
May 10	62	34	0.00
May 11	58	44	0.00
May 12	62	37	0.00
May 13	67	41	0.00
May 14	70	44	0.00
May 15	72	47	0.00
May 16	70	54	0.03
May 17	66	57	0.98
May 18	74	59	0.00
May 19	79	61	0.00
May 20	83	64	0.00
May 21	82	64	0.00
May 22	84	62	0.00
May 23	86	61	0.00
May 24	87	65	0.00
May 25	85	65	0.00
May 26	79	65	0.12
May 27	82	60	0.00
May 28	70	47	0.55
May 29	63	46	0.01
May 30	71	42	0.00
May 31	73	51	0.00

June 2021 Indianapolis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	75	58	0.00
June 2	70	59	0.55
June 3	75	63	0.64
June 4	86	60	0.00
June 5	85	62	0.00
June 6	83	65	0.03
June 7	82	69	0.01
June 8	81	70	0.32
June 9	82	70	0.29
June 10	83	71	0.06
June 11	91	68	0.00
June 12	93	68	0.03
June 13	88	68	0.00
June 14	87	59	0.00
June 15	81	57	0.00
June 16	82	57	0.00
June 17	85	57	0.00
June 18	93	68	0.67
June 19	83	67	2.16
June 20	87	72	0.03
June 21	79	62	0.05
June 22	72	53	0.00
June 23	77	58	0.00
June 24	80	61	0.29
June 25	80	70	0.24
June 26	85	74	0.00
June 27	88	72	0.64
June 28	90	71	0.07
June 29	92	73	0.00
June 30	79	70	1.43

July 2021 Indianapolis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	84	63	2.78
July 2	77	57	0.00
July 3	79	56	0.00
July 4	86	64	0.00
July 5	89	68	0.00
July 6	88	70	0.00
July 7	88	70	0.21
July 8	81	65	0.79
July 9	74	59	0.00
July 10	74	64	0.28
July 11	77	66	0.34
July 12	83	69	0.00
July 13	82	70	0.03
July 14	85	66	0.00
July 15	89	71	1.08
July 16	78	69	0.78
July 17	80	68	0.04
July 18	83	68	0.00
July 19	85	66	0.00
July 20	84	65	0.00
July 21	82	65	0.00
July 22	83	66	0.00
July 23	86	68	0.00
July 24	88	69	0.00
July 25	88	71	0.00
July 26	91	71	0.00
July 27	89	68	0.00
July 28	88	69	0.00
July 29	89	73	0.00
July 30	82	67	0.00
July 31	72	61	0.01

August 2021 Indianapolis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	82	59	0.02
August 2	80	57	0.00
August 3	81	60	0.00
August 4	83	60	0.00
August 5	85	62	0.00
August 6	84	64	0.00
August 7	87	68	0.00
August 8	88	67	0.00
August 9	81	70	0.08
August 10	92	75	0.03
August 11	91	75	0.00
August 12	94	71	0.02
August 13	87	70	0.00
August 14	84	68	0.00
August 15	81	62	0.00
August 16	83	67	0.00
August 17	86	69	0.00
August 18	88	71	0.00
August 19	88	70	0.11
August 20	89	70	0.10
August 21	90	70	0.00
August 22	93	70	0.00
August 23	92	73	0.00
August 24	94	72	0.00
August 25	83	70	1.32
August 26	92	72	0.07
August 27	93	71	0.00
August 28	91	71	0.00
August 29	90	73	0.00
August 30	81	69	0.13
August 31	80	68	0.11

September 2021 Indianapolis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	81	65	0.00
September 2	80	59	0.00
September 3	78	61	0.00
September 4	70	63	0.91
September 5	81	62	0.01
September 6	86	57	0.00
September 7	86	64	0.01
September 8	81	62	0.00
September 9	78	57	0.00
September 10	78	56	0.00
September 11	83	61	0.00
September 12	88	69	0.00
September 13	87	66	0.00
September 14	89	68	1.04
September 15	77	65	0.00
September 16	80	58	0.00
September 17	88	65	0.00
September 18	89	67	0.00
September 19	89	67	0.00
September 20	75	69	0.48
September 21	78	60	0.55
September 22	61	53	2.07
September 23	67	48	0.00
September 24	73	46	0.00
September 25	70	51	0.18
September 26	76	46	0.00
September 27	84	59	0.00
September 28	85	62	0.00
September 29	85	61	0.00
September 30	80	60	0.00

October 2021 Indianapolis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	80	58	0.00
October 2	72	61	0.37
October 3	77	63	0.54
October 4	71	60	0.21
October 5	78	61	0.00
October 6	73	64	1.21
October 7	74	63	0.25
October 8	76	62	0.26
October 9	81	60	0.00
October 10	82	67	0.00
October 11	81	66	0.22
October 12	68	56	0.00
October 13	77	53	0.00
October 14	81	66	0.46
October 15	73	53	1.09
October 16	61	43	0.06
October 17	66	40	0.00
October 18	71	41	0.00
October 19	69	46	0.00
October 20	72	47	0.00
October 21	64	51	0.00
October 22	54	48	0.12
October 23	55	44	0.00
October 24	67	51	1.41
October 25	67	48	0.73
October 26	57	40	0.00
October 27	58	38	0.00
October 28	54	47	0.35
October 29	62	53	0.38
October 30	56	47	0.08
October 31	62	42	0.00

November 2021 Indianapolis Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	50	34	0.00	0.0
November 2	47	33	0.00	0.0
November 3	49	28	0.00	0.0
November 4	50	29	0.00	0.0
November 5	51	31	0.00	0.0
November 6	57	30	0.00	0.0
November 7	63	33	0.00	0.0
November 8	69	38	0.00	0.0
November 9	61	44	0.00	0.0
November 10	64	44	0.00	0.0
November 11	59	39	0.19	0.0
November 12	51	33	0.00	0.0
November 13	38	34	0.00	0.0
November 14	37	32	0.16	0.5
November 15	39	26	0.01	0.0
November 16	55	32	0.00	0.0
November 17	63	44	0.24	0.0
November 18	44	30	0.03	0.0
November 19	40	26	0.00	0.0
November 20	51	30	0.00	0.0
November 21	48	36	0.31	0.0
November 22	37	23	0.00	0.0
November 23	42	20	0.00	0.0
November 24	55	30	0.00	0.0
November 25	54	30	0.28	0.0
November 26	32	21	0.00	0.0
November 27	45	30	0.00	0.0
November 28	43	25	0.00	0.0
November 29	44	21	0.00	0.0
November 30	52	31	0.00	0.0

December 2021 Indianapolis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	50	32	0.19
December 2	60	42	0.00
December 3	57	39	0.00
December 4	49	33	0.00
December 5	61	33	0.25
December 6	61	23	0.24
December 7	26	17	0.00
December 8	40	24	0.00
December 9	53	26	0.00
December 10	62	42	0.47
December 11	66	31	0.29
December 12	48	26	0.00
December 13	53	31	0.00
December 14	59	34	0.00
December 15	63	48	0.08
December 16	63	33	0.45
December 17	40	29	0.17
December 18	44	32	0.54
December 19	38	27	0.00
December 20	42	23	0.00
December 21	46	25	0.00
December 22	34	22	0.00
December 23	50	23	0.00
December 24	62	48	0.00
December 25	63	42	0.25
December 26	49	32	0.04
December 27	64	41	0.20
December 28	43	38	0.89
December 29	44	38	0.01
December 30	48	37	0.02
December 31	61	38	0.14

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Weather Station Details

Years	Station	Coordinates
1948–2024	Indianapolis International Airport	location
1901–1947	Whitestown	location