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Hyannis Weather in 2021

Historical record of Hyannis, Massachusetts weather for the year 2021 based on NOAA data.
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Year:
2021 Hyannis Weather Extremes
Highest temperature 89 °F August 28
Lowest temperature 11 °F January 31
Highest daily low 74 °F August 13
Lowest daily high 21 °F January 30
Most daily precipitation 4.1 inches September 2
Most daily snow 5.2 inches February 8
Total annual precipitation 47.7 inches -
Total annual snow 14.5 inches -
What was the hottest temperature in Hyannis in 2021?
The highest temperature recorded in Hyannis, Massachusetts in 2021 was 89 °F which happened 3 different times.
Highest Temperatures: All-Time By Year
Highest Temperatures in Hyannis in 2021
Rank Temperature Date
1 89 °F Aug 28
1 89 °F Aug 26
1 89 °F Aug 15
4 88 °F Aug 27
4 88 °F Aug 14
6 87 °F Jul 28
6 87 °F Jun 7
8 86 °F Jul 1
9 85 °F Sep 1
9 85 °F Jul 18
9 85 °F Jul 2
9 85 °F Jun 30
What was the coldest temperature in Hyannis in 2021?
The lowest temperature recorded in Hyannis, Massachusetts in 2021 was 11 °F which happened 2 different times.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Hyannis in 2021
Rank Temperature Date
1 11 °F January 31
1 11 °F January 30
3 12 °F January 29
4 15 °F February 13
4 15 °F February 12
4 15 °F February 1
7 17 °F March 16
7 17 °F March 4
7 17 °F March 3
7 17 °F March 2
7 17 °F February 22
7 17 °F February 11
7 17 °F February 10
7 17 °F February 9
7 17 °F January 24
January 2021 Hyannis Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
January 1
 50 23 0.11 0.0
January 2
 50 23 0.40 0.0
January 3
 50 36 0.00 0.0
January 4
 40 37 0.23 0.0
January 5
 42 36 0.10 0.0
January 6
 42 34 0.10 0.0
January 7
 39 33 0.00 0.0
January 8
 41 26 0.00 0.0
January 9
 41 26 0.00 0.0
January 10
 36 32 0.00 0.0
January 11
 38 21 0.00 0.0
January 12
 41 21 0.00 0.0
January 13
 43 24 0.00 0.0
January 14
 44 30 0.00 0.0
January 15
 51 30 0.00 0.0
January 16
 49 33 0.31 0.0
January 17
 52 33 0.87 0.0
January 18
 43 36 0.00 0.0
January 19
 46 28 0.00 0.0
January 20
 42 28 0.00 0.0
January 21
 38 22 0.00 0.0
January 22
 37 21 0.00 0.0
January 23
 46 27 0.00 0.0
January 24
 34 17 0.00 0.0
January 25
 33 19 0.00 0.0
January 26
 37 20 0.00 0.0
January 27
 43 25 0.43 3.0
January 28
 40 33 0.00 0.0
January 29
 36 12 0.18 0.0
January 30
 21 11 0.00 0.0
January 31
 22 11 0.00 0.0
February 2021 Hyannis Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
February 1
 32 15 0.00 0.0
February 2
 41 32 1.04 0.0
February 3
 41 32 0.13 0.0
February 4
 36 30 0.00 0.0
February 5
 41 27 0.00 0.0
February 6
 43 27 0.00 0.0
February 7
 43 27 0.00 0.0
February 8
 39 21 1.30 5.2
February 9
 29 17 0.00 0.0
February 10
 33 17 0.18 0.5
February 11
 33 17 0.00 0.0
February 12
 33 15 0.00 0.0
February 13
 26 15 0.00 0.0
February 14
 34 25 0.00 0.0
February 15
 38 25 0.00 0.0
February 16
 40 35 0.12 0.0
February 17
 53 26 0.12 0.0
February 18
 35 24 0.00 0.0
February 19
 32 29 0.20 2.3
February 20
 34 28 0.22 3.5
February 21
 32 21 0.00 0.0
February 22
 32 17 0.00 0.0
February 23
 42 20 0.53 0.0
February 24
 44 33 0.00 0.0
February 25
 50 39 0.00 0.0
February 26
 49 28 0.00 0.0
February 27
 42 29 0.00 0.0
February 28
 47 32 0.33 0.0
March 2021 Hyannis Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
March 1
 44 37 0.33 0.0
March 2
 50 17 0.13 0.0
March 3
 32 17 0.00 0.0
March 4
 45 17 0.00 0.0
March 5
 43 23 0.00 0.0
March 6
 38 23 0.00 0.0
March 7
 37 21 0.00 0.0
March 8
 37 21 0.00 0.0
March 9
 41 24 0.00 0.0
March 10
 58 28 0.00 0.0
March 11
 46 30 0.00 0.0
March 12
 57 39 0.00 0.0
March 13
 64 32 0.00 0.0
March 14
 47 33 0.00 0.0
March 15
 49 18 0.00 0.0
March 16
 28 17 0.00 0.0
March 17
 35 18 0.00 0.0
March 18
 43 18 0.00 0.0
March 19
 48 32 1.30 0.0
March 20
 37 28 0.03 0.0
March 21
 47 30 0.00 0.0
March 22
 56 29 0.00 0.0
March 23
 53 36 0.00 0.0
March 24
 63 34 0.00 0.0
March 25
 56 38 0.04 0.0
March 26
 65 46 0.00 0.0
March 27
 57 46 0.00 0.0
March 28
 57 40 0.00 0.0
March 29
 54 42 0.79 0.0
March 30
 53 31 0.00 0.0
March 31
 49 33 0.00 0.0
April 2021 Hyannis Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
April 1
 57 47 0.86 0.0
April 2
 52 32 0.04 0.0
April 3
 42 29 0.00 0.0
April 4
 45 30 0.00 0.0
April 5
 56 40 0.00 0.0
April 6
 51 41 0.00 0.0
April 7
 55 41 0.00 0.0
April 8
 55 42 0.00 0.0
April 9
 54 39 0.00 0.0
April 10
 63 40 0.00 0.0
April 11
 69 37 0.00 0.0
April 12
 50 39 0.00 0.0
April 13
 50 40 0.00 0.0
April 14
 54 38 0.00 0.0
April 15
 56 42 0.00 0.0
April 16
 48 42 0.96 0.0
April 17
 47 34 1.02 0.0
April 18
 47 34 0.02 0.0
April 19
 56 43 0.00 0.0
April 20
 63 43 0.00 0.0
April 21
 64 47 0.00 0.0
April 22
 59 34 0.03 0.0
April 23
 47 35 0.00 0.0
April 24
 57 35 0.00 0.0
April 25
 68 48 0.12 0.0
April 26
 67 43 0.51 0.0
April 27
 57 42 0.00 0.0
April 28
 61 43 0.13 0.0
April 29
 61 49 0.03 0.0
April 30
 58 49 0.14 0.0
May 2021 Hyannis Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
May 1
 66 41 0.16 0.0
May 2
 62 44 0.00 0.0
May 3
 64 52 0.00 0.0
May 4
 66 49 0.27 0.0
May 5
 66 46 0.69 0.0
May 6
 51 46 0.19 0.0
May 7
 63 45 0.00 0.0
May 8
 59 45 0.00 0.0
May 9
 52 46 0.00 0.0
May 10
 60 45 0.97 0.0
May 11
 59 45 0.06 0.0
May 12
 62 46 0.00 0.0
May 13
 64 43 0.06 0.0
May 14
 66 48 0.00 0.0
May 15
 71 51 0.00 0.0
May 16
 76 53 0.00 0.0
May 17
 75 51 0.00 0.0
May 18
 72 54 0.00 0.0
May 19
 75 57 0.00 0.0
May 20
 71 50 0.00 0.0
May 21
 66 48 0.00 0.0
May 22
 63 51 0.00 0.0
May 23
 74 56 0.04 0.0
May 24
 82 48 0.05 0.0
May 25
 60 51 0.00 0.0
May 26
 63 55 0.00 0.0
May 27
 70 60 0.00 0.0
May 28
 79 54 0.01 0.0
May 29
 61 43 1.53 0.0
May 30
 48 44 0.32 0.0
May 31
 51 44 0.60 0.0
June 2021 Hyannis Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
June 1
 60 51 0.05 0.0
June 2
 72 57 0.00 0.0
June 3
 71 58 0.00 0.0
June 4
 65 58 0.54 0.0
June 5
 68 58 0.00 0.0
June 6
 76 67 0.00 0.0
June 7
 87 64 0.00 0.0
June 8
 79 63 0.00 0.0
June 9
 77 64 0.00 0.0
June 10
 84 64 0.00 0.0
June 11
 72 52 0.00 0.0
June 12
 65 56 0.20 0.0
June 13
 65 57 0.08 0.0
June 14
 75 61 0.00 0.0
June 15
 69 62 0.00 0.0
June 16
 71 61 0.38 0.0
June 17
 72 52 0.00 0.0
June 18
 72 56 0.00 0.0
June 19
 74 65 0.00 0.0
June 20
 75 66 0.00 0.0
June 21
 79 67 0.00 0.0
June 22
 79 67 0.00 0.0
June 23
 80 57 0.41 0.0
June 24
 67 55 0.00 0.0
June 25
 71 61 0.06 0.0
June 26
 73 66 0.00 0.0
June 27
 78 69 0.00 0.0
June 28
 79 70 0.00 0.0
June 29
 82 70 0.00 0.0
June 30
 85 71 0.00 0.0
July 2021 Hyannis Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
July 1
 86 71 0.00 0.0
July 2
 85 67 0.33 0.0
July 3
 68 59 0.15 0.0
July 4
 68 56 0.35 0.0
July 5
 69 57 0.08 0.0
July 6
 72 61 0.00 0.0
July 7
 79 68 0.00 0.0
July 8
 84 66 0.00 0.0
July 9
 74 63 0.00 0.0
July 10
 74 69 0.52 0.0
July 11
 71 59 0.01 0.0
July 12
 74 66 0.00 0.0
July 13
 72 62 0.13 0.0
July 14
 70 62 0.03 0.0
July 15
 76 65 0.00 0.0
July 16
 79 70 0.00 0.0
July 17
 83 72 0.00 0.0
July 18
 85 72 0.00 0.0
July 19
 80 71 0.00 0.0
July 20
 78 66 0.00 0.0
July 21
 83 67 0.00 0.0
July 22
 83 64 0.00 0.0
July 23
 75 66 0.00 0.0
July 24
 79 62 0.00 0.0
July 25
 79 62 0.00 0.0
July 26
 73 68 0.04 0.0
July 27
 82 69 0.00 0.0
July 28
 87 66 0.00 0.0
July 29
 71 57 0.01 0.0
July 30
 77 66 0.08 0.0
July 31
 81 56 0.00 0.0
August 2021 Hyannis Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
August 1
 72 57 0.00 0.0
August 2
 76 63 0.11 0.0
August 3
 79 60 0.00 0.0
August 4
 74 64 0.00 0.0
August 5
 72 62 0.37 0.0
August 6
 73 63 0.60 0.0
August 7
 78 67 0.00 0.0
August 8
 83 71 0.00 0.0
August 9
 80 67 0.00 0.0
August 10
 76 67 0.13 0.0
August 11
 76 67 0.00 0.0
August 12
 80 73 0.00 0.0
August 13
 83 74 0.00 0.0
August 14
 88 73 0.00 0.0
August 15
 89 71 0.00 0.0
August 16
 78 61 0.00 0.0
August 17
 77 62 0.00 0.0
August 18
 80 67 0.00 0.0
August 19
 81 70 0.00 0.0
August 20
 81 70 0.03 0.0
August 21
 83 69 0.00 0.0
August 22
 84 72 0.20 0.0
August 23
 76 69 0.00 0.0
August 24
 80 71 0.19 0.0
August 25
 83 68 0.00 0.0
August 26
 89 71 0.00 0.0
August 27
 88 73 0.00 0.0
August 28
 89 67 0.00 0.0
August 29
 76 61 0.07 0.0
August 30
 73 63 0.00 0.0
August 31
 82 71 0.00 0.0
September 2021 Hyannis Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
September 1
 85 68 0.00 0.0
September 2
 74 60 4.10 0.0
September 3
 74 56 0.00 0.0
September 4
 73 56 0.00 0.0
September 5
 76 60 0.00 0.0
September 6
 75 65 0.53 0.0
September 7
 76 58 0.00 0.0
September 8
 76 60 0.00 0.0
September 9
 79 70 0.00 0.0
September 10
 72 64 1.35 0.0
September 11
 76 56 0.00 0.0
September 12
 74 61 0.00 0.0
September 13
 75 68 0.00 0.0
September 14
 77 60 0.00 0.0
September 15
 77 64 0.00 0.0
September 16
 78 67 0.04 0.0
September 17
 73 64 0.70 0.0
September 18
 79 66 0.01 0.0
September 19
 72 63 0.05 0.0
September 20
 72 52 0.00 0.0
September 21
 72 53 0.00 0.0
September 22
 73 61 0.06 0.0
September 23
 76 67 0.00 0.0
September 24
 78 69 0.00 0.0
September 25
 76 63 2.20 0.0
September 26
 71 62 1.27 0.0
September 27
 73 55 0.04 0.0
September 28
 71 57 0.00 0.0
September 29
 75 57 0.64 0.0
September 30
 63 52 0.00 0.0
October 2021 Hyannis Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
October 1
 61 49 0.00 0.0
October 2
 64 50 0.00 0.0
October 3
 69 56 0.00 0.0
October 4
 75 60 1.25 0.0
October 5
 60 56 1.65 0.0
October 6
 60 56 0.04 0.0
October 7
 66 50 0.00 0.0
October 8
 72 50 0.00 0.0
October 9
 67 55 0.00 0.0
October 10
 66 55 0.00 0.0
October 11
 63 60 0.05 0.0
October 12
 72 56 0.00 0.0
October 13
 71 54 0.00 0.0
October 14
 72 54 0.00 0.0
October 15
 67 57 0.00 0.0
October 16
 71 59 0.00 0.0
October 17
 71 56 0.08 0.0
October 18
 64 49 0.00 0.0
October 19
 60 44 0.00 0.0
October 20
 60 45 0.00 0.0
October 21
 61 56 0.00 0.0
October 22
 73 57 0.00 0.0
October 23
 70 53 0.00 0.0
October 24
 59 43 0.00 0.0
October 25
 56 46 0.14 0.0
October 26
 68 53 1.55 0.0
October 27
 63 54 2.41 0.0
October 28
 55 48 0.54 0.0
October 29
 51 48 0.07 0.0
October 30
 55 48 0.14 0.0
October 31
 61 48 0.64 0.0
November 2021 Hyannis Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
November 1
 63 50 0.00 0.0
November 2
 63 39 0.00 0.0
November 3
 58 40 0.53 0.0
November 4
 58 38 0.00 0.0
November 5
 55 38 0.00 0.0
November 6
 53 31 0.00 0.0
November 7
 55 31 0.00 0.0
November 8
 57 45 0.00 0.0
November 9
 60 37 0.00 0.0
November 10
 65 39 0.00 0.0
November 11
 60 37 0.00 0.0
November 12
 60 50 0.00 0.0
November 13
 61 40 0.58 0.0
November 14
 62 38 0.25 0.0
November 15
 52 42 0.15 0.0
November 16
 52 36 0.00 0.0
November 17
 48 36 0.00 0.0
November 18
 57 39 0.00 0.0
November 19
 64 42 0.12 0.0
November 20
 52 33 0.00 0.0
November 21
 52 37 0.00 0.0
November 22
 55 50 0.71 0.0
November 23
 56 37 0.10 0.0
November 24
 41 26 0.00 0.0
November 25
 44 26 0.00 0.0
November 26
 58 33 0.00 0.0
November 27
 46 34 0.16 0.0
November 28
 42 29 0.00 0.0
November 29
 41 33 0.09 0.0
November 30
 44 26 0.00 0.0
December 2021 Hyannis Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
December 1
 39 26 0.00 0.0
December 2
 49 32 0.00 0.0
December 3
 56 41 0.00 0.0
December 4
 46 30 0.00 0.0
December 5
 46 30 0.00 0.0
December 6
 49 34 0.12 0.0
December 7
 60 37 0.00 0.0
December 8
 45 36 0.00 0.0
December 9
 42 29 0.35 0.0
December 10
 39 28 0.00 0.0
December 11
 52 28 0.08 0.0
December 12
 60 42 0.10 0.0
December 13
 48 33 0.00 0.0
December 14
 49 41 0.00 0.0
December 15
 50 28 0.00 0.0
December 16
 54 28 0.24 0.0
December 17
 55 51 0.00 0.0
December 18
 61 41 0.00 0.0
December 19
 47 36 0.28 0.0
December 20
 37 28 0.00 0.0
December 21
 41 28 0.00 0.0
December 22
 50 34 0.00 0.0
December 23
 54 28 0.00 0.0
December 24
 34 25 0.00 0.0
December 25
 37 26 0.00 0.0
December 26
 45 36 0.54 0.0
December 27
 40 33 0.00 0.0
December 28
 39 32 0.06 0.0
December 29
 46 37 0.05 0.0
December 30
 44 37 0.05 0.0
December 31
 47 43 0.08 0.0
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