Portland, Maine2017 Climate Data
North America Region, US
Detailed temperature analysis for 2017 with 363 daily measurements across 12 months.
Avg: 48.1°F
12 Months
363 Records
Year Average
48.1°F
2017
Highest
81.5°F
Lowest
-1.7°F
Range
83.2°F
Monthly Temperature Progression - 2017
32°F
30°F
Jan
29°F
Feb
30°F
Mar
46°F
Apr
53°F
May
65°F
Jun
69°F
Jul
68°F
Aug
64°F
Sep
57°F
Oct
39°F
Nov
25°F
Dec
Below Freezing
|32°F (0°C)|Above Freezing
Monthly Details - 2017
January 2017
Average:30.4°F
Range:10.8°F - 45.5°F
Days:31 days
Records:31
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February 2017
Average:29.4°F
Range:9.9°F - 48.0°F
Days:28 days
Records:28
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March 2017
Average:29.9°F
Range:12.2°F - 43.0°F
Days:30 days
Records:30
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April 2017
Average:46.3°F
Range:32.5°F - 66.8°F
Days:30 days
Records:30
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May 2017
Average:52.7°F
Range:43.2°F - 75.5°F
Days:31 days
Records:31
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June 2017
Average:64.8°F
Range:50.4°F - 81.5°F
Days:30 days
Records:30
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July 2017
Average:69.1°F
Range:61.1°F - 76.8°F
Days:31 days
Records:31
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August 2017
Average:67.8°F
Range:59.0°F - 73.4°F
Days:31 days
Records:31
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September 2017
Average:64.3°F
Range:51.4°F - 71.8°F
Days:30 days
Records:30
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October 2017
Average:56.5°F
Range:45.2°F - 68.5°F
Days:31 days
Records:31
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November 2017
Average:39.0°F
Range:24.9°F - 60.5°F
Days:30 days
Records:30
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December 2017
Average:24.8°F
Range:-1.7°F - 47.4°F
Days:30 days
Records:30
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2017 Climate Summary
The year 2017 in Portland, Maine, US was characterized by an average temperature of 48.1°F, with temperatures ranging from a low of -1.7°F to a high of 81.5°F.
Temperature Analysis
- Annual Average: 48.1°F
- Temperature Extremes: 83.2°F range
- Data Coverage: 12 months with available observations
- Total Measurements: 363 daily records
Seasonal Patterns
January30.4°F
February29.4°F
March29.9°F
April46.3°F
... and 8 more months