Temperature Data | Precipitation Data | Detailed Data

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Annual Climatology: Portland, ME (PWM)

Elev: 45 ft    Lat: 43^o 39'N    Long: 70^o 18'W

Figure 1: Average Temperatures and Precipitation 1971-2000. (NCDC Data)

Temperature Data (^oF) :

Month	Daily Max	Daily Min	Mean	Maximum Daily Temperature	Minimum Daily Temperature
January	30.9	12.5	21.7	64	-26
February	34.1	15.6	24.8	64	-25
March	42.2	25.2	33.7	88	-21
April	52.8	34.7	43.7	89	8
May	63.3	44.2	53.8	96	23
June	72.8	52.9	62.9	98	33
July	78.8	58.6	68.7	100	40
August	77.3	57.2	67.2	103	33
September	68.9	48.5	58.7	96	23
October	57.9	37.4	47.7	88	15
November	47.1	29.5	38.3	74	3
December	36.4	18.7	27.6	71	-21
Annual	55.2	36.3	45.7	103	-26

Precipitation Data (in):

Month	Mean	Median	Extreme	Year	Snow*
January	4.09	4.42	11.92	1979	20.9
February	3.14	2.86	7.10	1981	12.8
March	4.14	4.11	9.75	1983	13.4
April	4.26	3.77	9.90	1973	3.3
May	3.82	3.75	9.64	1984	Tr
June	3.28	3.12	9.01	1998	0.0
July	3.32	3.03	7.48	1976	0.0
August	3.05	2.53	15.22	1991	0.0
September	3.37	3.06	8.79	1999	Tr
October	4.40	3.61	16.83	1996	0.1
November	4.72	4.16	13.50	1983	3.2
December	4.24	3.75	9.57	1973	13.6
Annual	45.83	43.59			67.3

* Snowfall totals represent mean snowfall 1971-2000

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