Casper Weather in 2009

Historical record of Casper, Wyoming weather for the year 2009 based on NOAA data.

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2009 Casper Weather Extremes
Highest temperature	97 °F	August 22
Lowest temperature	-29 °F	December 8
Highest daily low	58 °F	September 6
Lowest daily high	1 °F	December 8
Most daily precipitation	1.6 inches	July 3
Most daily snow	10.6 inches	March 23
Total annual precipitation	15.8 inches	-
Total annual snow	89.7 inches	-

What was the hottest temperature in Casper in 2009?

The highest temperature recorded in Casper, Wyoming in 2009 was 97 °F which happened on August 22.

Highest Temperatures: All-Time By Year

Highest Temperatures in Casper in 2009

Rank	Temperature	Date
1	97 °F	Aug 22
2	95 °F	Aug 3
2	95 °F	Jul 23
4	94 °F	Aug 13
4	94 °F	Aug 4
4	94 °F	Jun 30
7	93 °F	Jul 13
7	93 °F	Jun 25
9	92 °F	Aug 23
9	92 °F	Aug 12
9	92 °F	Aug 5

What was the coldest temperature in Casper in 2009?

The lowest temperature recorded in Casper, Wyoming in 2009 was -29 °F which happened on Dec 8.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Casper in 2009

Rank	Temperature	Date
1	-29 °F	December 8
2	-21 °F	January 26
3	-19 °F	December 9
4	-16 °F	December 7
4	-16 °F	January 27
6	-15 °F	December 25
6	-15 °F	December 24
8	-10 °F	January 4
9	-9 °F	March 10
9	-9 °F	January 3

January 2009 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	42	22	0.00	0.0
January 2	53	26	0.00	0.0
January 3	26	-9	0.31	4.4
January 4	12	-10	0.00	0.0
January 5	25	9	0.00	0.0
January 6	34	18	0.00	0.0
January 7	48	26	0.00	0.0
January 8	51	36	0.00	0.0
January 9	40	16	0.00	0.0
January 10	37	19	0.00	0.0
January 11	44	25	0.01	0.1
January 12	28	15	0.14	2.3
January 13	39	23	0.00	0.0
January 14	36	21	0.00	0.0
January 15	42	21	0.00	0.0
January 16	46	30	0.00	0.0
January 17	50	25	0.00	0.0
January 18	51	25	0.00	0.0
January 19	57	28	0.00	0.0
January 20	51	26	0.00	0.0
January 21	54	35	0.00	0.0
January 22	50	25	0.00	0.0
January 23	25	10	0.09	1.2
January 24	13	2	0.31	3.7
January 25	3	-3	0.17	3.4
January 26	1	-21	0.05	1.3
January 27	18	-16	0.00	0.0
January 28	30	12	0.00	0.0
January 29	30	8	0.00	0.0
January 30	36	24	0.00	0.0
January 31	40	17	0.00	0.0

February 2009 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	31	2	0.00	0.0
February 2	38	14	0.00	0.0
February 3	42	30	0.00	0.0
February 4	47	32	0.00	0.0
February 5	51	35	0.00	0.0
February 6	50	32	0.00	0.0
February 7	44	21	0.00	0.0
February 8	42	19	0.00	0.0
February 9	41	31	0.23	3.2
February 10	35	15	0.02	0.1
February 11	32	16	0.00	0.0
February 12	36	15	0.00	0.0
February 13	34	17	0.00	0.0
February 14	27	16	0.00	0.0
February 15	37	18	0.00	0.0
February 16	46	28	0.00	0.0
February 17	46	24	0.02	0.2
February 18	38	18	0.00	0.2
February 19	44	21	0.00	0.0
February 20	39	1	0.01	0.4
February 21	41	7	0.00	0.0
February 22	50	31	0.00	0.0
February 23	53	34	0.00	0.0
February 24	58	31	0.00	0.0
February 25	54	30	0.00	0.0
February 26	50	22	0.00	0.0
February 27	31	11	0.00	0.0
February 28	44	13	0.00	0.0

March 2009 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	57	19	0.00	0.0
March 2	64	41	0.00	0.0
March 3	63	38	0.00	0.0
March 4	64	36	0.00	0.0
March 5	44	25	0.00	0.0
March 6	45	17	0.00	0.0
March 7	47	17	0.00	0.0
March 8	50	25	0.00	0.0
March 9	25	2	0.11	2.7
March 10	28	-9	0.00	0.2
March 11	23	-8	0.00	0.0
March 12	39	7	0.00	0.0
March 13	50	10	0.00	0.0
March 14	58	31	0.00	0.0
March 15	55	27	0.00	0.0
March 16	65	39	0.00	0.0
March 17	52	22	0.00	0.0
March 18	52	16	0.00	0.0
March 19	63	17	0.00	0.0
March 20	64	32	0.00	0.0
March 21	72	25	0.00	0.0
March 22	65	40	0.00	0.0
March 23	44	20	0.88	10.6
March 24	35	19	0.00	0.0
March 25	37	13	0.00	0.0
March 26	24	-1	0.01	3.7
March 27	32	-6	0.00	0.0
March 28	42	21	0.00	0.0
March 29	55	26	0.00	0.0
March 30	26	9	0.00	0.3
March 31	39	8	0.00	0.0

April 2009 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	36	24	0.07	2.4
April 2	45	23	0.00	0.0
April 3	37	24	0.22	1.8
April 4	25	16	0.07	4.9
April 5	30	14	0.00	0.0
April 6	46	15	0.00	0.0
April 7	61	27	0.00	0.0
April 8	65	24	0.02	0.0
April 9	49	30	0.17	0.0
April 10	58	24	0.00	0.0
April 11	55	28	0.00	0.0
April 12	58	30	0.04	0.0
April 13	61	28	0.00	0.0
April 14	63	27	0.00	0.0
April 15	47	30	0.01	0.0
April 16	34	28	0.24	0.9
April 17	38	31	0.11	1.5
April 18	53	27	0.02	0.0
April 19	63	29	0.00	0.0
April 20	69	37	0.00	0.0
April 21	72	38	0.00	0.0
April 22	76	39	0.00	0.0
April 23	77	38	0.00	0.0
April 24	38	30	0.27	0.8
April 25	41	28	0.50	1.3
April 26	41	31	0.31	2.9
April 27	49	28	0.00	0.0
April 28	68	26	0.00	0.0
April 29	59	30	0.00	0.0
April 30	49	29	0.00	0.0

May 2009 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	49	31	0.00
May 2	55	33	0.00
May 3	61	35	0.03
May 4	61	36	0.00
May 5	67	33	0.06
May 6	69	30	0.00
May 7	67	36	0.00
May 8	54	28	0.00
May 9	55	27	0.00
May 10	59	26	0.01
May 11	71	27	0.00
May 12	73	36	0.00
May 13	57	24	0.00
May 14	70	32	0.00
May 15	61	35	0.02
May 16	70	25	0.00
May 17	82	36	0.00
May 18	88	37	0.00
May 19	89	49	0.01
May 20	78	48	0.00
May 21	71	43	0.00
May 22	72	39	0.00
May 23	70	49	0.03
May 24	73	50	0.01
May 25	56	45	0.22
May 26	66	37	0.00
May 27	74	37	0.00
May 28	80	40	0.00
May 29	83	45	0.00
May 30	83	41	0.00
May 31	79	48	0.04

June 2009 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	77	48	0.00
June 2	54	44	0.08
June 3	66	42	0.00
June 4	75	47	0.07
June 5	74	43	0.01
June 6	70	44	0.03
June 7	49	37	0.17
June 8	63	36	0.17
June 9	70	45	0.39
June 10	50	43	0.06
June 11	57	45	0.17
June 12	66	47	0.07
June 13	75	42	0.57
June 14	74	43	0.00
June 15	72	49	0.00
June 16	75	46	0.01
June 17	74	50	0.02
June 18	69	50	0.40
June 19	74	47	0.00
June 20	82	43	0.01
June 21	77	53	0.00
June 22	79	48	0.00
June 23	80	43	0.00
June 24	90	49	0.00
June 25	93	45	0.00
June 26	74	52	0.00
June 27	79	49	0.00
June 28	86	41	0.00
June 29	90	49	0.00
June 30	94	42	0.00

July 2009 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	87	56	0.65
July 2	83	52	0.13
July 3	75	51	1.61
July 4	76	50	0.02
July 5	81	49	0.00
July 6	87	50	0.34
July 7	80	49	0.05
July 8	88	52	0.00
July 9	81	49	0.00
July 10	86	47	0.00
July 11	91	51	0.00
July 12	87	55	0.10
July 13	93	55	0.00
July 14	80	45	0.00
July 15	85	42	0.00
July 16	89	47	0.00
July 17	89	47	0.00
July 18	88	49	0.00
July 19	89	51	0.09
July 20	83	51	0.00
July 21	83	43	0.00
July 22	90	50	0.00
July 23	95	48	0.00
July 24	90	50	0.00
July 25	91	53	0.00
July 26	86	57	0.00
July 27	82	52	0.11
July 28	73	53	0.00
July 29	60	46	0.30
July 30	74	40	0.00
July 31	80	44	0.05

August 2009 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	83	47	0.00
August 2	91	47	0.00
August 3	95	55	0.00
August 4	94	49	0.00
August 5	92	45	0.00
August 6	89	57	0.03
August 7	85	54	0.07
August 8	75	51	0.15
August 9	75	50	0.22
August 10	82	42	0.00
August 11	87	42	0.00
August 12	92	48	0.00
August 13	94	48	0.00
August 14	86	55	0.15
August 15	63	42	0.46
August 16	69	38	0.00
August 17	72	36	0.00
August 18	81	37	0.00
August 19	76	49	0.00
August 20	81	45	0.00
August 21	90	42	0.00
August 22	97	45	0.00
August 23	92	50	0.00
August 24	81	51	0.20
August 25	78	50	0.03
August 26	84	48	0.00
August 27	90	46	0.00
August 28	85	42	0.00
August 29	82	42	0.00
August 30	82	42	0.00
August 31	87	49	0.03

September 2009 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
September 1	90	46	0.00	0.0
September 2	87	46	0.00	0.0
September 3	87	43	0.00	0.0
September 4	91	43	0.00	0.0
September 5	90	46	0.00	0.0
September 6	86	58	0.00	0.0
September 7	84	56	0.00	0.0
September 8	70	48	0.00	0.0
September 9	87	39	0.00	0.0
September 10	88	36	0.00	0.0
September 11	73	42	0.00	0.0
September 12	64	34	0.03	0.0
September 13	74	30	0.00	0.0
September 14	87	54	0.00	0.0
September 15	83	54	0.08	0.0
September 16	82	45	0.00	0.0
September 17	83	38	0.00	0.0
September 18	84	38	0.00	0.0
September 19	85	32	0.00	0.0
September 20	68	40	0.90	0.0
September 21	55	38	0.22	0.0
September 22	62	33	0.00	0.0
September 23	69	33	0.00	0.0
September 24	71	34	0.00	0.0
September 25	75	34	0.00	0.0
September 26	85	45	0.00	0.0
September 27	62	32	0.00	0.0
September 28	70	26	0.00	0.0
September 29	86	33	0.00	0.0
September 30	70	32	0.39	1.3

October 2009 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	48	32	0.08	0.4
October 2	53	28	0.00	0.0
October 3	56	22	0.00	0.0
October 4	39	32	0.41	0.5
October 5	43	28	0.06	0.1
October 6	50	26	0.00	0.0
October 7	55	29	0.00	0.0
October 8	37	24	0.00	0.0
October 9	30	12	0.21	5.2
October 10	22	11	0.03	0.8
October 11	23	16	0.10	2.4
October 12	28	18	0.00	0.0
October 13	60	25	0.02	0.0
October 14	63	31	0.00	0.0
October 15	60	31	0.00	0.0
October 16	59	27	0.00	0.0
October 17	69	24	0.00	0.0
October 18	75	46	0.00	0.0
October 19	72	34	0.01	0.0
October 20	42	32	0.12	0.2
October 21	46	23	0.00	0.0
October 22	52	19	0.00	0.0
October 23	58	27	0.00	0.0
October 24	55	34	0.00	0.0
October 25	39	23	0.07	0.9
October 26	54	24	0.00	0.0
October 27	46	29	0.05	0.5
October 28	29	24	0.11	2.5
October 29	29	13	0.00	0.3
October 30	44	19	0.00	0.0
October 31	57	37	0.00	0.0

November 2009 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	59	32	0.00	0.0
November 2	48	27	0.00	0.0
November 3	57	21	0.00	0.0
November 4	62	15	0.00	0.0
November 5	71	45	0.00	0.0
November 6	66	37	0.00	0.0
November 7	58	31	0.00	0.0
November 8	53	22	0.00	0.0
November 9	54	12	0.00	0.0
November 10	59	18	0.00	0.0
November 11	65	31	0.00	0.0
November 12	63	30	0.01	0.1
November 13	39	20	0.00	0.0
November 14	39	18	0.00	0.0
November 15	40	8	0.00	0.0
November 16	44	24	0.00	0.0
November 17	54	34	0.00	0.0
November 18	57	28	0.00	0.0
November 19	49	15	0.00	0.0
November 20	55	31	0.00	0.0
November 21	51	27	0.00	0.0
November 22	45	17	0.00	0.0
November 23	39	17	0.04	0.5
November 24	42	20	0.00	0.0
November 25	50	24	0.00	0.0
November 26	54	35	0.00	0.0
November 27	57	38	0.00	0.0
November 28	42	15	0.00	0.0
November 29	43	17	0.00	0.0
November 30	51	30	0.00	0.0

December 2009 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	40	14	0.06	1.4
December 2	21	-6	0.03	0.3
December 3	14	-5	0.03	0.6
December 4	24	4	0.00	0.0
December 5	22	5	0.03	1.2
December 6	8	-5	0.12	1.8
December 7	1	-16	0.01	0.1
December 8	1	-29	0.02	1.4
December 9	10	-19	0.00	0.0
December 10	18	-7	0.00	0.0
December 11	28	12	0.00	0.0
December 12	36	24	0.00	0.0
December 13	35	1	0.00	0.0
December 14	36	-1	0.00	0.0
December 15	35	19	0.00	0.0
December 16	40	29	0.00	0.0
December 17	44	27	0.00	0.0
December 18	37	12	0.00	0.0
December 19	36	22	0.00	0.0
December 20	43	29	0.00	0.0
December 21	46	30	0.00	0.0
December 22	46	25	0.00	0.0
December 23	25	-7	0.24	4.2
December 24	17	-15	0.00	0.0
December 25	13	-15	0.22	2.2
December 26	20	3	0.21	6.3
December 27	18	0	0.00	0.0
December 28	24	4	0.00	0.0
December 29	28	15	0.00	0.0
December 30	27	4	0.00	0.0
December 31	25	-3	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1949–2024	Casper-Natrona County International Airport	location
1900–1948	Casper 2 E	location