| Weather Records for Utica, NY USA | December 1999 | ||||||
| Date | High | Low | Average | Liquid | Snowfall | Weather | Remarks |
| 1 | 31 | 11 | 21 | 0.00 | 0.0 | Mostly sunny | |
| 2 | 34 | 13 | 24 | 0.00 | 0.0 | Mostly cloudy | |
| 3 | 45 | 31 | 38 | Trace | 0.0 | Cloudy/Brief evening shr. | |
| 4 | 50 | 41 | 46 | 0.20 | 0.0 | Showers/Drizzle | Foggy in the afternoon & evening |
| 5 | 65 | 47 | 56 | 0.00 | 0.0 | AM Clouds/PM Sun | Record High! |
| 6 | 57 | 41 | 49 | 0.20 | 0.0 | Cloudy/Cooler/PM Rain | |
| 7 | 41 | 34 | 38 | 0.01 | Trace | Cloudy/Flurries | |
| 8 | 44 | 30 | 37 | 0.00 | 0.0 | AM Clouds/PM Sun | |
| 9 | 47 | 27 | 37 | 0.00 | 0.0 | Mostly sunny | Strong Inversion/Haze over the Mohawk Valley |
| 10 | 46 | 34 | 40 | 0.26 | Trace | PM Rain/Snow shrs. Late | Windy in the evening/20-40 MPH winds |
| 11 | 34 | 28 | 31 | Trace | Trace | Snow showers/Windy | Winds averaged 20-40 MPH |
| 12 | 36 | 25 | 31 | 0.00 | 0.0 | Clouds & Sun | |
| 13 | 35 | 32 | 34 | Trace | 0.0 | Cloudy/Drizzle | |
| 14 | 37 | 32 | 35 | 0.20 | 1.4 | Cloudy/Late snow & mix | Wet snow; 3"-5" North, 1"-3" South; Windy |
| 15 | 40 | 34 | 37 | 0.01 | 0.1 | Cloudy/Drizzle early | Windy |
| 16 | 45 | 36 | 41 | Trace | Trace | Cloudy/Rain & Snow shrs. | |
| 17 | 36 | 28 | 32 | 0.01 | 0.1 | Mostly cloudy/Flurries | |
| 18 | 29 | 11 | 20 | 0.05 | 1.0 | Early LE Snow then Sunny | |
| 19 | 30 | 11 | 21 | 0.00 | 0.0 | Mix of sun & clouds | |
| 20 | 44 | 24 | 34 | 0.49 | 0.0 | Cloudy/Rain | |
| 21 | 42 | 26 | 34 | 0.00 | 0.0 | Mostly cloudy | |
| 22 | 29 | 20 | 25 | Trace | Trace | Mostly cloudy/Flurries | |
| 23 | 28 | 20 | 24 | Trace | Trace | Mostly cloudy/Flurries | |
| 24 | 20 | 3 | 12 | 0.03 | 2.0 | Early LE Snow/Some sun | White Christmas! |
| 25 | 23 | -1 | 11 | 0.00 | 0.0 | Sunny | White Christmas! |
| 26 | 30 | 23 | 27 | 0.02 | 1.4 | Snow showers | Evening lake effect w/low visibility |
| 27 | 23 | 14 | 19 | 0.04 | 2.6 | LE Snow early & late | 1.8" of snow from Midnight to 7 AM |
| 28 | 22 | 2 | 12 | Trace | Trace | AM Flurries/Clouds & Sun | |
| 29 | 30 | 17 | 24 | Trace | Trace | AM Flurries/M.Sunny | |
| 30 | 40 | 25 | 33 | 0.01 | 0.0 | AM Showers/PM Clouds | Snow at higher elevations/Windy |
| 31 | 28 | 15 | 22 | 0.00 | 0.0 | Mix of sun & clouds | |
| TOT | 1141 | 734 | 1875 | ||||
| AVG | 36.81 | 23.68 | 30.24 | 1.53 | 8.6 | ||
| DPT | 2.91 | 3.58 | 3.24 | -2.44 | -13.6 | ||