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Charleston Weather in 2021

Historical record of Charleston, Illinois weather for the year 2021 based on NOAA data.
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Year:
2021 Charleston Weather Extremes
Highest temperature 98 °F August 12
Lowest temperature -11 °F February 8
Highest daily low 76 °F August 7
Lowest daily high 10 °F February 15
Most daily precipitation 2.8 inches July 25
Most daily snow 6.0 inches February 15
Total annual snow 18.1 inches -
What was the hottest temperature in Charleston in 2021?
The highest temperature recorded in Charleston, Illinois in 2021 was 98 °F which happened on August 12.
Highest Temperatures: All-Time By Year
Highest Temperatures in Charleston in 2021
Rank Temperature Date
1 98 °F Aug 12
2 97 °F Jun 21
2 97 °F Jun 12
4 96 °F Aug 7
5 95 °F Aug 8
6 94 °F Aug 24
6 94 °F Jun 11
8 93 °F Sep 6
8 93 °F Aug 25
8 93 °F Aug 18
8 93 °F Aug 9
8 93 °F Aug 6
8 93 °F Jul 31
8 93 °F Jul 23
What was the coldest temperature in Charleston in 2021?
The lowest temperature recorded in Charleston, Illinois in 2021 was -11 °F which happened on Feb 8.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Charleston in 2021
Rank Temperature Date
1 -11 °F February 8
2 -10 °F February 7
3 -8 °F February 15
4 -5 °F February 19
5 -4 °F February 17
6 -1 °F February 14
7 1 °F February 9
8 2 °F February 16
8 2 °F January 28
10 3 °F February 12
January 2021 Charleston Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
January 1
 39 27 0.77 0.0
January 2
 36 33 0.00 0.0
January 3
 34 23 0.00 0.0
January 4
 48 21 0.90 0.0
January 5
 40 28 0.00 0.0
January 6
 40 28 0.00 0.0
January 7
 39 30 0.00 0.0
January 8
 37 32 0.00 0.0
January 9
 35 26 0.00 0.0
January 10
 37 28 0.00 0.0
January 11
 30 14 0.00 0.0
January 12
 45 22 0.00 0.0
January 13
 49 30 0.00 0.0
January 14
 46 32 0.10 0.0
January 15
 38 31 0.00 0.0
January 16
 45 27 0.04 0.0
January 17
 34 19 0.04 0.4
January 18
 43 19 0.00 0.0
January 19
 43 23 0.00 0.0
January 20
 37 17 0.00 0.0
January 21
 51 31 0.00 0.0
January 22
 51 18 0.00 0.0
January 23
 40 11 0.00 0.0
January 24
 n/a n/a 0.30 0.0
January 25
 37 18 0.35 0.0
January 26
 40 28 0.02 0.0
January 27
 32 24 0.14 3.6
January 28
 27 2 0.00 0.0
January 29
 37 9 0.00 0.0
January 30
 37 27 1.43 0.0
January 31
 39 21 0.50 1.5
February 2021 Charleston Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
February 1
 38 17 0.00 0.0
February 2
 38 23 0.00 0.0
February 3
 40 19 0.00 0.0
February 4
 39 29 0.27 0.0
February 5
 36 20 0.00 0.0
February 6
 29 12 0.00 0.0
February 7
 21 -10 0.00 0.0
February 8
 22 -11 0.00 0.0
February 9
 21 1 0.00 0.2
February 10
 23 14 0.00 0.1
February 11
 25 16 0.00 0.0
February 12
 22 3 0.00 0.0
February 13
 19 7 0.00 0.0
February 14
 13 -1 0.00 0.0
February 15
 10 -8 n/a 6.0
February 16
 17 2 n/a 4.0
February 17
 20 -4 0.00 0.0
February 18
 23 14 0.16 0.6
February 19
 28 -5 0.00 0.0
February 20
 30 5 0.00 0.0
February 21
 38 17 0.03 0.4
February 22
 45 22 0.00 0.0
February 23
 56 33 0.00 0.0
February 24
 56 36 0.00 0.0
February 25
 48 25 0.00 0.0
February 26
 50 20 0.00 0.0
February 27
 57 28 0.06 0.0
February 28
 61 37 1.55 0.0
March 2021 Charleston Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
March 1
 56 18 0.00 0.0
March 2
 47 19 0.00 0.0
March 3
 63 34 0.00 0.0
March 4
 53 29 0.00 0.0
March 5
 50 14 0.00 0.0
March 6
 54 23 0.00 0.0
March 7
 61 30 0.00 0.0
March 8
 61 32 0.00 0.0
March 9
 70 42 0.00 0.0
March 10
 66 57 0.00 0.0
March 11
 65 56 0.58 0.0
March 12
 60 26 0.00 0.0
March 13
 59 36 0.00 0.0
March 14
 53 38 0.02 0.0
March 15
 n/a n/a n/a 0.0
March 16
 50 37 0.22 0.0
March 17
 57 43 0.12 0.0
March 18
 56 43 0.89 0.0
March 19
 54 25 0.00 0.0
March 20
 59 23 0.00 0.0
March 21
 57 20 0.00 0.0
March 22
 63 41 0.00 0.0
March 23
 67 53 0.03 0.0
March 24
 67 51 0.09 0.0
March 25
 61 44 0.20 0.0
March 26
 55 34 0.30 0.0
March 27
 76 43 0.68 0.0
March 28
 54 37 0.00 0.0
March 29
 63 30 0.00 0.0
March 30
 72 47 0.13 0.0
March 31
 56 38 0.00 0.0
April 2021 Charleston Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
April 1
 43 27 0.00 0.0
April 2
 60 32 0.00 0.0
April 3
 66 42 0.00 0.0
April 4
 69 40 0.00 0.0
April 5
 73 51 0.00 0.0
April 6
 80 52 0.00 0.0
April 7
 81 62 0.00 0.0
April 8
 72 54 0.35 0.0
April 9
 75 42 0.00 0.0
April 10
 77 44 0.22 0.0
April 11
 n/a n/a n/a 0.0
April 12
 65 42 0.00 0.0
April 13
 63 43 0.00 0.0
April 14
 60 44 0.00 0.0
April 15
 61 36 0.00 0.0
April 16
 60 24 0.00 0.0
April 17
 60 32 0.00 0.0
April 18
 62 34 0.04 0.0
April 19
 70 48 0.00 0.0
April 20
 56 32 0.40 1.3
April 21
 51 31 0.00 0.0
April 22
 56 35 0.00 0.0
April 23
 62 36 0.00 0.0
April 24
 62 47 0.05 0.0
April 25
 64 42 0.00 0.0
April 26
 68 42 0.00 0.0
April 27
 83 59 0.00 0.0
April 28
 75 61 0.22 0.0
April 29
 67 53 0.32 0.0
April 30
 67 44 0.00 0.0
May 2021 Charleston Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
May 1
 77 44 0.10 0.0
May 2
 76 43 0.08 0.0
May 3
 n/a n/a n/a 0.0
May 4
 75 54 n/a 0.0
May 5
 64 44 0.00 0.0
May 6
 63 44 0.02 0.0
May 7
 71 39 0.00 0.0
May 8
 71 35 0.05 0.0
May 9
 53 47 0.60 0.0
May 10
 65 43 0.00 0.0
May 11
 61 43 0.00 0.0
May 12
 64 45 0.00 0.0
May 13
 69 40 0.00 0.0
May 14
 70 41 0.00 0.0
May 15
 70 45 0.00 0.0
May 16
 71 57 2.32 0.0
May 17
 75 54 0.25 0.0
May 18
 69 54 0.04 0.0
May 19
 73 57 0.00 0.0
May 20
 83 71 0.25 0.0
May 21
 84 56 0.00 0.0
May 22
 86 49 0.00 0.0
May 23
 88 51 0.00 0.0
May 24
 86 68 0.00 0.0
May 25
 87 62 0.04 0.0
May 26
 84 63 0.27 0.0
May 27
 83 59 0.30 0.0
May 28
 86 60 0.00 0.0
May 29
 65 45 0.06 0.0
May 30
 72 39 0.00 0.0
May 31
 74 51 0.00 0.0
June 2021 Charleston Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
June 1
 73 52 0.00 0.0
June 2
 75 56 0.00 0.0
June 3
 77 54 0.00 0.0
June 4
 76 53 0.00 0.0
June 5
 87 50 0.00 0.0
June 6
 86 50 0.00 0.0
June 7
 88 60 0.00 0.0
June 8
 83 66 0.15 0.0
June 9
 81 59 0.15 0.0
June 10
 89 59 0.00 0.0
June 11
 94 68 0.00 0.0
June 12
 97 70 0.57 0.0
June 13
 88 64 0.00 0.0
June 14
 89 67 0.00 0.0
June 15
 88 51 0.00 0.0
June 16
 90 59 0.00 0.0
June 17
 89 60 0.00 0.0
June 18
 88 55 0.00 0.0
June 19
 86 69 0.70 0.0
June 20
 88 72 0.00 0.0
June 21
 97 66 1.21 0.0
June 22
 77 50 0.00 0.0
June 23
 78 59 0.00 0.0
June 24
 80 54 0.34 0.0
June 25
 82 64 0.75 0.0
June 26
 75 48 0.80 0.0
June 27
 90 49 1.05 0.0
June 28
 88 67 0.24 0.0
June 29
 91 72 0.00 0.0
June 30
 88 70 1.00 0.0
July 2021 Charleston Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
July 1
 88 72 0.04 0.0
July 2
 89 70 0.00 0.0
July 3
 86 69 0.00 0.0
July 4
 88 52 0.05 0.0
July 5
 89 66 0.00 0.0
July 6
 90 68 0.00 0.0
July 7
 89 72 0.11 0.0
July 8
 88 73 0.06 0.0
July 9
 84 70 0.00 0.0
July 10
 81 69 0.00 0.0
July 11
 84 70 0.00 0.0
July 12
 82 71 0.00 0.0
July 13
 83 60 1.43 0.0
July 14
 86 66 0.00 0.0
July 15
 83 61 1.10 0.0
July 16
 87 58 2.30 0.0
July 17
 88 63 0.00 0.0
July 18
 84 66 0.00 0.0
July 19
 85 64 0.00 0.0
July 20
 83 68 0.00 0.0
July 21
 87 69 0.00 0.0
July 22
 90 73 0.00 0.0
July 23
 93 75 0.00 0.0
July 24
 88 68 0.00 0.0
July 25
 89 62 2.81 0.0
July 26
 89 64 0.00 0.0
July 27
 89 66 0.00 0.0
July 28
 88 68 0.00 0.0
July 29
 89 74 0.00 0.0
July 30
 84 72 0.00 0.0
July 31
 93 74 0.00 0.0
August 2021 Charleston Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
August 1
 83 65 0.00 0.0
August 2
 85 67 0.00 0.0
August 3
 88 69 0.00 0.0
August 4
 89 50 0.00 0.0
August 5
 85 58 0.00 0.0
August 6
 93 74 0.00 0.0
August 7
 96 76 0.00 0.0
August 8
 95 68 0.00 0.0
August 9
 93 74 0.00 0.0
August 10
 92 71 0.43 0.0
August 11
 91 73 0.00 0.0
August 12
 98 73 1.20 0.0
August 13
 88 67 0.00 0.0
August 14
 86 68 0.00 0.0
August 15
 89 73 0.00 0.0
August 16
 90 72 0.00 0.0
August 17
 91 71 0.00 0.0
August 18
 93 58 0.05 0.0
August 19
 90 67 0.01 0.0
August 20
 89 69 0.00 0.0
August 21
 90 69 0.00 0.0
August 22
 89 68 0.00 0.0
August 23
 92 71 0.00 0.0
August 24
 94 73 0.00 0.0
August 25
 93 70 0.00 0.0
August 26
 90 69 1.13 0.0
August 27
 92 69 0.00 0.0
August 28
 90 68 0.00 0.0
August 29
 88 65 0.00 0.0
August 30
 86 62 0.00 0.0
August 31
 84 60 0.00 0.0
September 2021 Charleston Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
September 1
 80 58 0.00 0.0
September 2
 77 65 0.00 0.0
September 3
 78 63 0.00 0.0
September 4
 84 55 0.00 0.0
September 5
 88 64 0.00 0.0
September 6
 93 57 0.53 0.0
September 7
 80 63 1.59 0.0
September 8
 76 58 0.00 0.0
September 9
 78 59 0.00 0.0
September 10
 79 60 0.00 0.0
September 11
 79 59 0.00 0.0
September 12
 80 59 0.00 0.0
September 13
 78 62 0.00 0.0
September 14
 81 62 0.11 0.0
September 15
 80 58 0.00 0.0
September 16
 84 63 0.00 0.0
September 17
 85 63 0.00 0.0
September 18
 84 62 0.00 0.0
September 19
 83 63 0.00 0.0
September 20
 84 61 0.00 0.0
September 21
 86 64 0.00 0.0
September 22
 88 67 0.00 0.0
September 23
 86 68 0.00 0.0
September 24
 85 66 0.00 0.0
September 25
 86 68 0.00 0.0
September 26
 83 63 0.00 0.0
September 27
 80 60 0.00 0.0
September 28
 78 60 0.00 0.0
September 29
 79 61 0.00 0.0
September 30
 82 65 0.00 0.0
October 2021 Charleston Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
October 1
 83 63 0.00 0.0
October 2
 81 64 0.00 0.0
October 3
 78 60 0.00 0.0
October 4
 76 58 0.00 0.0
October 5
 74 60 0.20 0.0
October 6
 74 58 0.50 0.0
October 7
 78 62 0.00 0.0
October 8
 80 64 0.00 0.0
October 9
 81 64 0.00 0.0
October 10
 79 62 0.00 0.0
October 11
 77 64 0.00 0.0
October 12
 76 58 0.00 0.0
October 13
 75 n/a 0.30 0.0
October 14
 72 54 0.50 0.0
October 15
 76 60 0.00 0.0
October 16
 82 64 2.30 0.0
October 17
 79 63 0.00 0.0
October 18
 75 52 0.00 0.0
October 19
 71 45 0.00 0.0
October 20
 68 42 0.00 0.0
October 21
 70 54 0.00 0.0
October 22
 69 49 0.00 0.0
October 23
 69 52 0.00 0.0
October 24
 70 56 0.00 0.0
October 25
 71 57 1.30 0.0
October 26
 68 40 0.00 0.0
October 27
 61 45 0.00 0.0
October 28
 58 43 0.50 0.0
October 29
 72 48 0.00 0.0
October 30
 70 46 0.00 0.0
October 31
 71 46 0.00 0.0
November 2021 Charleston Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
November 1
 66 45 0.00 0.0
November 2
 n/a 37 0.00 0.0
November 3
 47 28 0.00 0.0
November 4
 46 30 0.00 0.0
November 5
 49 38 0.00 0.0
November 6
 52 37 0.00 0.0
November 7
 59 47 0.00 0.0
November 8
 60 43 0.00 0.0
November 9
 58 41 0.00 0.0
November 10
 58 42 0.00 0.0
November 11
 60 45 0.00 0.0
November 12
 59 43 0.29 0.0
November 13
 58 45 0.00 0.0
November 14
 57 43 0.69 0.0
November 15
 59 48 0.00 0.0
November 16
 62 51 0.00 0.0
November 17
 64 38 0.30 0.0
November 18
 55 22 0.00 0.0
November 19
 52 25 0.00 0.0
November 20
 49 28 0.00 0.0
November 21
 48 29 0.00 0.0
November 22
 40 26 0.00 0.0
November 23
 37 28 0.00 0.0
November 24
 44 33 0.20 0.0
November 25
 41 32 0.00 0.0
November 26
 43 34 0.00 0.0
November 27
 43 32 0.00 0.0
November 28
 45 33 0.00 0.0
November 29
 46 37 0.70 0.0
November 30
 49 34 0.00 0.0
December 2021 Charleston Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
December 1
 n/a n/a n/a n/a
December 2
 n/a n/a n/a n/a
December 3
 n/a n/a n/a n/a
December 4
 n/a n/a n/a n/a
December 5
 n/a n/a n/a n/a
December 6
 n/a n/a n/a n/a
December 7
 n/a n/a n/a n/a
December 8
 n/a n/a n/a n/a
December 9
 n/a n/a n/a n/a
December 10
 n/a n/a n/a n/a
December 11
 n/a n/a n/a n/a
December 12
 n/a n/a n/a n/a
December 13
 n/a n/a n/a n/a
December 14
 n/a n/a n/a n/a
December 15
 n/a n/a n/a n/a
December 16
 n/a n/a n/a n/a
December 17
 n/a n/a n/a n/a
December 18
 n/a n/a n/a n/a
December 19
 n/a n/a n/a n/a
December 20
 n/a n/a n/a n/a
December 21
 n/a n/a n/a n/a
December 22
 n/a n/a n/a n/a
December 23
 n/a n/a n/a n/a
December 24
 n/a n/a n/a n/a
December 25
 n/a n/a n/a n/a
December 26
 n/a n/a n/a n/a
December 27
 n/a n/a n/a n/a
December 28
 n/a n/a n/a n/a
December 29
 n/a n/a n/a n/a
December 30
 n/a n/a n/a n/a
December 31
 n/a n/a n/a n/a
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