Bel Air, Maryland - USA


Monthly Summary


                  MONTHLY CLIMATOLOGICAL SUMMARY FOR 12/2025
                                        HEAT  COOL        
     MEAN                               DEG   DEG       WIND SPEED       DOM MEAN  MEAN
DAY  TEMP  HIGH   TIME     LOW   TIME   DAYS  DAYS RAIN AVG  HI  TIME    DIR BAROM HUM
---------------------------------------------------------------------------------------
1    35.9  43.4   2:30pm  29.3   6:30am   24    0  0.00   2  15   9:27am NNW 30.26   66
2    33.5  36.5  10:44pm  30.4   3:20am   26    0  0.74   2  14   3:36pm NNW 29.84   89
3    35.0  43.2   2:55pm  29.0  10:17pm   25    0  0.00   2  13   1:30am   N 30.00   73
4    33.2  41.5   2:31pm  27.7   3:40am   27    0  0.00   2  15   1:57pm NNW 30.09   72
5    25.6  28.9  12:00am  23.0   9:34am   34    0  0.00   2  11   1:28am NNE 30.13   79
6    32.6  42.2  12:44pm  26.2  12:00am   27    0  0.05   0   7   1:47pm NNE 29.91   84
7    34.7  40.9  11:11am  29.7   4:43am   25    0  0.00   1  11  11:12am   S 30.04   81
8    28.8  34.9   4:03am  22.0  11:58pm   31    0  0.00   3  23  11:14am NNE 30.18   59
9    24.3  30.9   7:38pm  13.4   7:36am   36    0  0.00   2  18   8:40pm   S 30.11   61
10   35.1  40.2   3:23pm  27.6  12:00am   25    0  0.01   3  23   9:25am SSW 29.57   85
11   32.9  39.9   1:55am  26.9   8:36pm   27    0  0.01   3  17   3:24am NNW 29.73   62
12   28.1  35.5   2:45pm  21.7   6:48am   32    0  0.00   1  10  12:16am  NW 30.05   64
13   32.1  40.6   1:02pm  22.6   1:57am   28    0  0.00   1  10  12:46pm   S 30.03   79
14   24.6  32.6  12:03am  15.9   9:35pm   35    0  0.02   2  17   2:22pm NNW 30.04   80
15   20.0  26.4   2:02pm  15.0   3:13am   40    0  0.00   2  16  12:01am NNW 30.28   70
16   23.9  35.6   2:44pm  15.0   7:41am   36    0  0.03   1  13   3:02pm   S 30.16   69
17   35.8  44.6   8:36pm  23.5   1:52am   24    0  0.16   1   9  10:28am   S 30.00   74
18   42.6  50.5   2:56pm  30.7   5:02am   17    0  0.07   1  10  11:38am SSE 30.10   80
19   45.9  58.6   5:19am  28.3  11:59pm   14    0  0.39   5  35   5:12am WNW 29.58   81
20   30.9  39.4   1:19pm  22.0   6:33am   29    0  0.00   3  15  10:07pm   S 30.10   70
21   37.8  46.3   2:46pm  31.5   4:37am   18    0  0.00   2  17  12:11pm SSW 30.07   66
---------------------------------------------------------------------------------------
TOT  32.0  58.6 12/19/25  13.4  12/9/25  582    0  1.48   2  35 12/19/25 NNW 30.01   74

HEAT BASE: 60.0
COOL BASE: 60.0


Year-to-Date


                  YEARLY CLIMATOLOGICAL SUMMARY FOR 2025
                                        HEAT  COOL        
     MEAN                               DEG   DEG       WIND SPEED       DOM MEAN  MEAN
MON  TEMP  HIGH   DATE     LOW   DATE   DAYS  DAYS RAIN AVG  HI  DATE    DIR BAROM HUM
---------------------------------------------------------------------------------------
1    28.6  52.9  1/29/25   5.8  1/22/25  973    0  0.62   2  24   1/4/25  NW 29.99   69
2    34.7  61.9  2/26/25  14.4  2/19/25  709    0  1.40   3  26  2/16/25 NNW 30.06   69
3    47.1  79.3  3/29/25  18.0   3/2/25  542   28  2.37   3  33   3/5/25   S 29.85   63
4    55.6  80.2  4/30/25  26.3   4/9/25  220   88  1.68   3  27  4/29/25   S 30.00   69
5    62.7  84.9   5/2/25  46.3  5/20/25   63  147  6.71   2  19  5/13/25   E 29.90   81
6    73.2  98.5  6/24/25  46.1   6/1/25   10  405  3.51   1  28  6/30/25   E 29.95   83
7    78.1  94.5  7/29/25  61.7   7/5/25    0  559  5.61   1  19   7/8/25   E 29.95   86
8    70.7  90.4  8/17/25  51.1  8/30/25    8  338  1.60   1  18  8/21/25   E 30.05   83
9    68.0  87.4  9/19/25  51.5   9/9/25    8  249  2.11   1  20   9/4/25   E 30.02   85
10   56.1  79.7  10/6/25  37.1 10/24/25  176   57  2.23   2  29 10/19/25   E 30.05   79
11   45.9  69.7  11/8/25  27.4 11/29/25  428    5  1.73   2  24  11/7/25 WNW 29.95   72
12   32.0  58.6 12/19/25  13.4  12/9/25  582    0  1.48   2  35 12/19/25 NNW 30.01   74
---------------------------------------------------------------------------------------
TOT  54.9  98.5  6/24/25   5.8  1/22/25 3721 1876 31.05   2  35 12/19/25   E 29.98   76

HEAT BASE: 60.0
COOL BASE: 60.0


Data provided from:  Mark Hofmann's Bel Air, MD Weather Station