Temperature Data | Precipitation Data | Detailed Data

Annual Climatology: Portland, ME (PWM)

Elev: 13.7 m    Lat: 43o 39'N    Long: 70o 18'W

Portland Metric Units

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

 

 


Temperature Data (oC) :

Month

Daily Max

Daily Min

Mean

Maximum Daily Temperature

Minimum Daily Temperature

January

-0.6

-10.8

-5.7

17.8

-32.2

February

1.2

-9.1

-4.0

17.8

-31.7

March

5.7

-3.8

0.9

31.1

-29.4

April

11.6

1.5

6.5

31.7

-13.3

May

17.4

6.8

12.1

35.6

-5.0

June

22.7

11.6

17.2

36.7

0.6

July

26.0

14.8

20.4

37.8

4.4

August

25.2

14.0

19.6

39.4

0.6

September

20.5

9.2

14.8

35.6

-5.0

October

14.4

3.0

8.7

31.1

-9.4

November

8.4

-1.4

3.5

23.3

-16.1

December

2.4

-7.4

-2.4

21.7

-29.4

Annual

12.9

2.4

7.6

39.4

-32.2

 

Precipitation Data (mm):

Month

Mean

Median

Extreme

Year

Snow*

January

103.9

112.3

302.8

1979

530.9

February

79.8

72.6

180.3

1981

325.1

March

105.2

104.4

247.7

1983

340.4

April

108.2

95.8

251.5

1973

83.8

May

97.0

95.3

244.9

1984

             Tr

June

83.3

79.2

228.9

1998

0.0

July

84.3

77.0

190.0

1976

0.0

August

77.5

64.3

386.6

1991

0.0

September

85.6

77.7

223.3

1999

             Tr

October

111.8

91.7

427.5

1996

2.5

November

119.9

105.7

342.9

1983

81.3

December

107.7

95.3

243.1

1973

345.4

Annual

1164.1

1107.2

 

 

1709.4

* Snowfall totals represent mean snowfall 1971-2000


 
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