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CXUS51 KGYX 021023
CLMPWM
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TTAA00 GYX 020916
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
416 AM EST FRI JAN 02 2026
...............................
..THE PORTLAND ME CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1941 TO 2025 (FOR TEMPERATURE)
CLIMATE RECORD PERIOD: 1871 TO 2025 (FOR PRECIPITATION)
CLIMATE RECORD PERIOD: 1882 TO 2025 (FOR SNOWFALL)
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 71 12/06/2001
12/07/1998
LOW -21 12/31/1963
HIGHEST 53 12/19 56 -3 56 12/11
12/17
LOWEST -3 12/09 2 -5 5 12/23
AVG. MAXIMUM 33.1 38.3 -5.2 37.4
AVG. MINIMUM 16.0 22.4 -6.4 21.5
MEAN 24.5 30.3 -5.8 29.5
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 13 8.4 4.6 10
DAYS MIN <= 32 30 26.7 3.3 29
DAYS MIN <= 0 1 0.4 0.6 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.69 1969
MINIMUM 0.93 1874
TOTALS 3.97 4.50 -0.53 5.18
DAILY AVG. 0.13 0.15 -0.02 0.17
DAYS >= .01 10 12.3 -2.3 13
DAYS >= .10 7 7.9 -0.9 9
DAYS >= .50 3 2.9 0.1 3
DAYS >= 1.00 1 1.3 -0.3 1
GREATEST
24 HR. TOTAL 1.80 12/29 TO 12/29
SNOWFALL (INCHES)
RECORDS
TOTAL 54.8 1970
TOTALS 12.6 14.6 -2.0 6.0
SINCE 7/1 12.6 17.1 -4.5 6.0
SNOWDEPTH AVG. 2
DAYS >= TRACE 11 6.0 5.0
DAYS >= 1.0 4 3.3 0.7
GREATEST
SNOW DEPTH 5 12/24
12/25
24 HR TOTAL 5.3 12/23 TO 12/24
DEGREE DAYS
HEATING TOTAL 1247 1074 173 1093
SINCE 7/1 2553 2451 102 2288
COOLING TOTAL 0 0 0 0
SINCE 1/1 440 446 -6 446
............................................................
WIND (MPH)
AVERAGE WIND SPEED 8.1
HIGHEST WIND SPEED/DIRECTION 33/170 DATE 12/19
HIGHEST GUST SPEED/DIRECTION 56/170 DATE 12/19
SKY COVER
AVERAGE SKY COVER 0.53
AVERAGE RH (PERCENT) 68
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 HEAVY RAIN 2
RAIN 2 LIGHT RAIN 3
FREEZING RAIN 1 LT FREEZING RAIN 1
HEAVY SNOW 0 SNOW 4
LIGHT SNOW 11 FOG 11
FOG W/VIS <= 1/4 MILE 3 HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
..THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN DECEMBER 2025
DATE RECORD PREVIOUS
DEC 2 4.4 - GREATEST SNOWFALL - 3.2 IN 1989
DEC 5 2 - COLDEST LOW TEMPERATURE - 7 IN 1945 AND 1989
DEC 5 12 - COLDEST AVERAGE TEMPERATURE - 15 IN 1940
DEC 19 44 - WARMEST AVERAGE TEMPERATURE - 44 IN 1949
DEC 29 1.80 - GREATEST PRECIPITATION - 1.78 IN 1966
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