National Weather Service United States Department of Commerce

Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

 

Rochester
December Normals

(1991-2020)

 

Day Temperature Degree Days Sunrise Sunset
Max Min Average Heating Cooling
1 34 19 26 39 0 725 433
2 33 19 26 39 0 726 433
3 33 18 26 40 0 727 432
4 32 18 25 40 0 728 432
5 32 17 25 40 0 729 432
               
6 32 17 24 41 0 730 432
7 31 17 24 41 0 731 432
8 31 16 23 42 0 732 432
9 30 16 23 42 0 733 432
10 30 15 23 42 0 734 432
               
11 29 15 22 43 0 735 432
12 29 15 22 43 0 736 432
13 29 14 22 44 0 737 432
14 28 14 21 44 0 737 432
15 28 14 21 44 0 738 432
               
16 28 13 21 44 0 739 433
17 27 13 20 45 0 740 433
18 27 13 20 45 0 740 434
19 27 12 20 46 0 741 434
20 26 12 19 46 0 741 434
               
21 26 12 19 46 0 742 435
22 26 12 19 46 0 742 435
23 26 11 18 47 0 743 436
24 25 11 18 47 0 743 437
25 25 11 18 47 0 743 437
               
26 25 10 18 47 0 744 438
27 25 10 17 48 0 744 439
28 24 10 17 48 0 744 439
29 24 10 17 48 0 744 440
30 24 9 17 48 0 745 441
               
31 24 9 17 48 0 745 442
Monthly 28.0 13.6 20.8 1406 0    

 

Normal Precipitation: 1.28"
Normal Snowfall: 12.4"

 

Previous Month previous month next month Next Month