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Yellowstone National Park Weather in 1991

Historical record of Yellowstone National Park, Wyoming weather for the year 1991 based on NOAA data.
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1991 Yellowstone National Park Weather Extremes
Highest temperature 85 °F August 10
Lowest temperature -34 °F January 29
Highest daily low 52 °F August 13
Lowest daily high 11 °F January 30
Most daily precipitation 1.0 inches October 27
Most daily snow 10.0 inches December 7
Total annual precipitation 22.7 inches -
Total annual snow 197.7 inches -
What was the hottest temperature in Yellowstone National Park in 1991?
The highest temperature recorded in Yellowstone National Park, Wyoming in 1991 was 85 °F which happened on August 10.
Highest Temperatures: All-Time By Year
Highest Temperatures in Yellowstone National Park in 1991
Rank Temperature Date
1 85 °F Aug 10
2 83 °F Jul 14
3 82 °F Sep 1
3 82 °F Aug 9
3 82 °F Aug 1
3 82 °F Jul 15
7 81 °F Jul 30
7 81 °F Jul 17
7 81 °F Jul 16
10 80 °F Aug 31
10 80 °F Aug 24
10 80 °F Aug 23
10 80 °F Aug 11
10 80 °F Aug 8
10 80 °F Jul 31
What was the coldest temperature in Yellowstone National Park in 1991?
The lowest temperature recorded in Yellowstone National Park, Wyoming in 1991 was -34 °F which happened on Jan 29.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Yellowstone National Park in 1991
Rank Temperature Date
1 -34 °F January 29
2 -32 °F January 25
3 -31 °F November 30
3 -31 °F January 30
5 -25 °F November 2
6 -24 °F December 2
7 -22 °F November 3
7 -22 °F January 22
7 -22 °F January 21
7 -22 °F January 20
January 1991 Yellowstone National Park Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
January 1
 20 10 0.00 0.0
January 2
 27 8 0.00 0.0
January 3
 30 -9 0.00 0.0
January 4
 26 -13 0.00 0.0
January 5
 31 -14 0.00 0.0
January 6
 25 -9 0.00 0.0
January 7
 33 0 0.00 0.0
January 8
 25 13 0.11 3.0
January 9
 25 -2 0.03 1.0
January 10
 31 -4 0.02 0.5
January 11
 30 17 0.00 0.0
January 12
 n/a 22 0.03 0.3
January 13
 34 22 0.03 1.0
January 14
 31 20 0.13 2.0
January 15
 29 20 0.08 1.5
January 16
 36 -5 0.08 1.0
January 17
 28 2 0.00 0.0
January 18
 27 18 0.00 0.0
January 19
 31 22 0.07 1.5
January 20
 24 -22 0.02 0.3
January 21
 22 -22 0.00 0.0
January 22
 25 -22 0.01 0.5
January 23
 23 -18 0.00 0.0
January 24
 26 -12 n/a 0.5
January 25
 22 -32 0.00 0.0
January 26
 18 n/a 0.00 0.0
January 27
 18 -19 0.01 0.3
January 28
 19 4 0.03 0.3
January 29
 16 -34 0.07 1.0
January 30
 11 -31 0.00 0.0
January 31
 19 -9 0.00 0.0
February 1991 Yellowstone National Park Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
February 1
 37 2 0.00 0.0
February 2
 45 -1 0.00 0.0
February 3
 46 -1 0.00 0.0
February 4
 34 13 0.00 0.0
February 5
 36 6 0.00 0.0
February 6
 49 6 0.00 0.0
February 7
 50 6 0.00 0.0
February 8
 52 1 0.00 0.0
February 9
 49 1 0.00 0.0
February 10
 52 4 0.00 0.0
February 11
 50 -2 0.00 0.0
February 12
 49 -1 0.00 0.0
February 13
 35 17 0.00 0.0
February 14
 36 12 0.00 0.0
February 15
 40 18 0.00 0.0
February 16
 43 32 0.03 0.3
February 17
 39 5 0.26 2.0
February 18
 31 -9 0.00 0.0
February 19
 36 -8 0.01 0.5
February 20
 30 19 0.05 0.5
February 21
 36 25 0.00 0.0
February 22
 42 15 0.00 0.0
February 23
 47 9 0.00 0.0
February 24
 42 4 0.01 0.3
February 25
 36 -1 0.00 0.0
February 26
 36 -4 0.00 0.0
February 27
 43 0 0.00 0.0
February 28
 35 1 0.00 0.0
March 1991 Yellowstone National Park Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
March 1
 46 3 0.10 2.0
March 2
 41 24 0.23 3.0
March 3
 39 21 0.06 3.5
March 4
 35 25 0.54 6.0
March 5
 39 26 0.07 9.0
March 6
 35 -16 0.47 6.0
March 7
 22 -15 0.02 0.5
March 8
 26 -6 0.13 3.0
March 9
 35 -6 0.00 0.0
March 10
 43 1 0.00 0.0
March 11
 42 24 0.07 1.5
March 12
 34 17 0.09 2.0
March 13
 30 9 0.01 0.5
March 14
 39 -4 0.00 0.0
March 15
 45 -1 0.03 0.5
March 16
 41 9 0.01 0.3
March 17
 37 4 0.07 2.5
March 18
 33 0 0.20 3.5
March 19
 49 4 0.00 0.0
March 20
 51 6 0.00 0.0
March 21
 35 5 0.00 0.0
March 22
 47 8 0.00 0.0
March 23
 42 19 0.02 0.5
March 24
 43 21 0.07 7.0
March 25
 39 9 0.20 2.5
March 26
 46 17 0.04 2.0
March 27
 40 15 0.80 1.5
March 28
 36 8 0.00 0.0
March 29
 39 1 0.09 0.5
March 30
 42 5 0.00 0.0
March 31
 47 9 0.00 0.0
April 1991 Yellowstone National Park Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
April 1
 55 11 0.00 0.0
April 2
 58 9 0.00 0.0
April 3
 54 20 0.00 0.0
April 4
 46 27 0.00 0.0
April 5
 53 35 0.00 0.0
April 6
 56 34 0.16 0.0
April 7
 43 25 0.03 0.3
April 8
 35 3 0.13 1.5
April 9
 38 4 0.09 0.2
April 10
 37 17 0.52 7.5
April 11
 35 5 0.00 0.0
April 12
 34 16 0.00 0.0
April 13
 39 4 0.00 0.0
April 14
 32 10 0.06 1.0
April 15
 45 21 0.03 0.5
April 16
 45 26 0.36 7.5
April 17
 45 20 0.11 0.5
April 18
 51 21 0.07 2.0
April 19
 38 23 0.21 1.5
April 20
 50 11 0.00 0.0
April 21
 57 17 0.00 0.0
April 22
 57 13 0.00 0.0
April 23
 54 21 0.00 0.0
April 24
 51 23 0.09 0.5
April 25
 47 31 0.45 2.5
April 26
 38 23 0.04 2.0
April 27
 37 6 0.03 0.0
April 28
 37 22 0.00 0.0
April 29
 41 14 0.00 0.0
April 30
 41 11 0.00 0.0
May 1991 Yellowstone National Park Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
May 1
 48 9 0.00 0.0
May 2
 49 9 0.05 1.3
May 3
 48 24 0.03 2.0
May 4
 36 11 0.00 0.0
May 5
 41 13 0.00 0.0
May 6
 47 23 0.00 0.0
May 7
 49 32 0.19 0.0
May 8
 49 33 0.00 0.0
May 9
 57 32 0.64 2.0
May 10
 46 30 0.73 2.0
May 11
 48 32 0.57 0.0
May 12
 53 27 0.00 0.0
May 13
 40 30 0.81 3.0
May 14
 51 33 0.00 0.0
May 15
 59 36 0.61 0.0
May 16
 61 24 0.00 0.0
May 17
 61 33 0.10 0.0
May 18
 60 26 0.11 0.0
May 19
 n/a n/a 0.00 0.0
May 20
 62 25 0.00 0.0
May 21
 60 27 0.00 0.0
May 22
 66 28 0.00 0.0
May 23
 68 30 0.00 0.0
May 24
 63 33 0.00 0.0
May 25
 63 36 0.00 0.0
May 26
 59 31 0.07 0.5
May 27
 49 26 0.00 0.0
May 28
 48 24 0.00 0.0
May 29
 52 25 0.00 0.0
May 30
 55 33 0.20 0.0
May 31
 50 35 0.10 0.0
June 1991 Yellowstone National Park Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
June 1
 59 28 0.00 0.0
June 2
 67 26 0.00 0.0
June 3
 66 41 0.60 0.0
June 4
 62 35 0.02 0.0
June 5
 66 38 0.11 0.0
June 6
 66 35 0.10 0.0
June 7
 66 36 0.16 0.0
June 8
 59 30 0.00 0.0
June 9
 61 37 0.01 0.0
June 10
 65 32 0.00 0.0
June 11
 71 38 0.00 0.0
June 12
 75 38 0.00 0.0
June 13
 68 41 0.20 0.0
June 14
 61 37 0.00 0.0
June 15
 53 37 0.00 0.0
June 16
 60 31 0.00 0.0
June 17
 67 45 0.00 0.0
June 18
 60 29 0.00 0.0
June 19
 70 39 0.00 0.0
June 20
 75 37 0.00 0.0
June 21
 69 34 0.00 0.0
June 22
 71 46 0.00 0.0
June 23
 69 35 0.00 0.0
June 24
 73 34 0.00 0.0
June 25
 73 32 0.00 0.0
June 26
 73 32 0.06 0.0
June 27
 59 29 0.00 0.0
June 28
 68 40 0.17 0.0
June 29
 60 38 0.00 0.0
June 30
 69 39 0.13 0.0
July 1991 Yellowstone National Park Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
July 1
 55 31 0.33 0.0
July 2
 66 32 0.00 0.0
July 3
 73 31 0.00 0.0
July 4
 79 39 0.00 0.0
July 5
 78 40 0.00 0.0
July 6
 78 41 0.00 0.0
July 7
 77 38 0.00 0.0
July 8
 75 37 0.00 0.0
July 9
 77 41 0.00 0.0
July 10
 77 37 0.13 0.0
July 11
 68 35 0.09 0.0
July 12
 72 34 0.00 0.0
July 13
 78 37 0.00 0.0
July 14
 83 48 0.00 0.0
July 15
 82 43 0.00 0.0
July 16
 81 44 0.05 0.0
July 17
 81 40 0.00 0.0
July 18
 79 37 0.00 0.0
July 19
 72 35 0.00 0.0
July 20
 74 39 0.00 0.0
July 21
 71 37 0.00 0.0
July 22
 78 40 0.00 0.0
July 23
 78 37 0.05 0.0
July 24
 70 39 0.16 0.0
July 25
 69 44 0.24 0.0
July 26
 73 45 0.06 0.0
July 27
 70 39 0.00 0.0
July 28
 74 38 0.00 0.0
July 29
 79 38 0.00 0.0
July 30
 81 39 0.00 0.0
July 31
 80 38 0.00 0.0
August 1991 Yellowstone National Park Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
August 1
 82 48 0.18 0.0
August 2
 73 33 0.00 0.0
August 3
 74 33 0.00 0.0
August 4
 79 45 0.00 0.0
August 5
 74 40 0.37 0.0
August 6
 72 37 0.02 0.0
August 7
 72 35 0.00 0.0
August 8
 80 37 0.00 0.0
August 9
 82 39 0.00 0.0
August 10
 85 41 0.00 0.0
August 11
 80 40 0.00 0.0
August 12
 78 43 0.00 0.0
August 13
 79 52 0.00 0.0
August 14
 77 48 0.00 0.0
August 15
 n/a n/a n/a 0.0
August 16
 68 36 n/a 0.0
August 17
 72 46 0.03 0.0
August 18
 73 33 0.02 0.0
August 19
 78 41 0.00 0.0
August 20
 76 38 0.30 0.0
August 21
 75 40 0.00 0.0
August 22
 79 36 0.00 0.0
August 23
 80 46 0.00 0.0
August 24
 80 44 0.00 0.0
August 25
 79 43 0.08 0.0
August 26
 79 44 0.00 0.0
August 27
 74 41 0.00 0.0
August 28
 75 48 0.14 0.0
August 29
 74 31 0.00 0.0
August 30
 73 31 0.00 0.0
August 31
 80 33 0.00 0.0
September 1991 Yellowstone National Park Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
September 1
 82 n/a 0.00 0.0
September 2
 74 40 0.00 0.0
September 3
 72 32 0.00 0.0
September 4
 75 30 0.00 0.0
September 5
 77 32 0.00 0.0
September 6
 78 31 0.00 0.0
September 7
 79 n/a 0.00 0.0
September 8
 64 44 0.44 0.0
September 9
 55 39 0.10 0.0
September 10
 59 36 0.12 0.0
September 11
 65 30 0.55 0.0
September 12
 55 31 0.00 0.0
September 13
 62 30 0.00 0.0
September 14
 60 31 0.44 1.5
September 15
 44 30 0.03 0.0
September 16
 52 27 0.00 0.0
September 17
 59 28 0.00 0.0
September 18
 53 17 0.00 0.0
September 19
 59 n/a 0.00 0.0
September 20
 68 27 0.00 0.0
September 21
 70 n/a 0.00 0.0
September 22
 52 19 0.00 0.0
September 23
 51 n/a 0.00 0.0
September 24
 55 21 0.00 0.0
September 25
 70 21 0.00 0.0
September 26
 73 24 0.00 0.0
September 27
 74 27 0.00 0.0
September 28
 74 26 0.00 0.0
September 29
 58 38 0.04 0.0
September 30
 60 24 0.06 0.0
October 1991 Yellowstone National Park Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
October 1
 62 n/a 0.00 0.0
October 2
 64 27 0.00 0.0
October 3
 62 22 0.00 0.0
October 4
 51 10 0.00 0.0
October 5
 n/a n/a 0.00 0.0
October 6
 n/a n/a 0.00 0.0
October 7
 65 12 0.00 0.0
October 8
 68 12 0.00 0.0
October 9
 62 23 0.00 0.0
October 10
 65 22 0.00 0.0
October 11
 72 24 0.00 0.0
October 12
 74 24 0.00 0.0
October 13
 66 20 0.00 0.0
October 14
 58 24 0.00 0.0
October 15
 64 21 0.00 0.0
October 16
 64 26 0.00 0.0
October 17
 65 26 0.00 0.0
October 18
 50 10 0.00 0.0
October 19
 44 15 0.00 0.0
October 20
 44 14 0.00 0.0
October 21
 54 16 0.00 0.0
October 22
 50 32 0.08 0.0
October 23
 39 30 0.30 2.0
October 24
 33 5 0.82 7.5
October 25
 27 20 0.05 1.5
October 26
 31 23 0.35 5.0
October 27
 36 27 1.02 4.5
October 28
 32 8 0.27 3.5
October 29
 24 -10 0.00 0.0
October 30
 23 n/a 0.00 0.0
October 31
 28 0 0.01 0.3
November 1991 Yellowstone National Park Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
November 1
 26 8 0.10 2.0
November 2
 20 -25 0.00 0.0
November 3
 22 -22 0.00 0.0
November 4
 29 n/a 0.00 0.0
November 5
 29 12 0.06 1.0
November 6
 35 26 0.14 2.0
November 7
 39 3 0.00 0.0
November 8
 44 8 0.00 0.0
November 9
 44 35 0.29 0.0
November 10
 47 15 0.00 0.0
November 11
 39 12 0.00 0.0
November 12
 46 18 0.00 0.0
November 13
 46 24 0.25 3.5
November 14
 36 16 0.20 4.0
November 15
 29 -4 0.00 0.0
November 16
 36 -6 0.00 0.0
November 17
 40 n/a 0.00 0.0
November 18
 33 22 0.20 5.0
November 19
 35 2 0.00 0.0
November 20
 26 8 0.00 0.0
November 21
 32 13 0.15 2.5
November 22
 29 -9 0.00 0.0
November 23
 23 -19 0.00 0.0
November 24
 25 n/a 0.00 0.0
November 25
 26 17 0.00 0.0
November 26
 31 14 0.18 2.5
November 27
 32 14 0.09 8.0
November 28
 34 -8 0.04 1.0
November 29
 27 -9 0.00 0.0
November 30
 31 -31 0.00 0.0
December 1991 Yellowstone National Park Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
December 1
 15 n/a 0.00 0.0
December 2
 15 -24 0.13 2.0
December 3
 25 6 0.00 0.0
December 4
 25 12 0.00 0.0
December 5
 30 12 0.00 0.0
December 6
 39 10 0.13 1.5
December 7
 35 28 0.63 10.0
December 8
 32 -9 0.13 5.0
December 9
 24 16 0.05 0.0
December 10
 26 18 0.00 0.0
December 11
 28 -18 0.00 0.0
December 12
 24 -14 0.00 0.0
December 13
 23 3 0.33 5.0
December 14
 20 5 0.00 0.0
December 15
 26 -12 0.00 0.0
December 16
 32 -9 0.00 0.0
December 17
 37 -9 0.00 0.0
December 18
 31 -7 0.00 0.0
December 19
 31 7 0.13 1.5
December 20
 32 -18 0.00 0.0
December 21
 22 -19 0.00 0.0
December 22
 25 -10 0.00 0.0
December 23
 27 -11 0.00 0.0
December 24
 28 -10 0.00 0.0
December 25
 33 -7 0.00 0.0
December 26
 33 -7 0.00 0.0
December 27
 29 -8 0.00 0.0
December 28
 30 -10 0.00 0.0
December 29
 33 -10 0.02 1.0
December 30
 33 2 0.00 0.0
December 31
 27 4 0.00 0.0
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