Portland, Maine2015 Climate Data
North America Region, US
Detailed temperature analysis for 2015 with 363 daily measurements across 12 months.
Avg: 47.7°F
12 Months
363 Records
Year Average
47.7°F
2015
Highest
79.8°F
Lowest
2.2°F
Range
77.6°F
Monthly Temperature Progression - 2015
32°F
22°F
Jan
16°F
Feb
31°F
Mar
45°F
Apr
60°F
May
61°F
Jun
68°F
Jul
70°F
Aug
65°F
Sep
49°F
Oct
43°F
Nov
38°F
Dec
Below Freezing
|32°F (0°C)|Above Freezing
Monthly Details - 2015
January 2015
Average:22.0°F
Range:2.5°F - 43.7°F
Days:31 days
Records:31
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February 2015
Average:15.7°F
Range:2.2°F - 31.1°F
Days:26 days
Records:26
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March 2015
Average:30.8°F
Range:15.3°F - 45.6°F
Days:31 days
Records:31
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April 2015
Average:45.3°F
Range:32.5°F - 57.0°F
Days:30 days
Records:30
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May 2015
Average:59.5°F
Range:45.2°F - 72.5°F
Days:31 days
Records:31
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June 2015
Average:61.3°F
Range:47.0°F - 71.8°F
Days:30 days
Records:30
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July 2015
Average:68.4°F
Range:60.5°F - 77.1°F
Days:31 days
Records:31
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August 2015
Average:70.0°F
Range:65.8°F - 76.2°F
Days:31 days
Records:31
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September 2015
Average:65.1°F
Range:50.9°F - 79.8°F
Days:30 days
Records:30
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October 2015
Average:49.3°F
Range:34.6°F - 61.1°F
Days:31 days
Records:31
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November 2015
Average:43.0°F
Range:27.4°F - 60.1°F
Days:30 days
Records:30
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December 2015
Average:37.7°F
Range:20.0°F - 48.8°F
Days:31 days
Records:31
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2015 Climate Summary
The year 2015 in Portland, Maine, US was characterized by an average temperature of 47.7°F, with temperatures ranging from a low of 2.2°F to a high of 79.8°F.
Temperature Analysis
- Annual Average: 47.7°F
- Temperature Extremes: 77.6°F range
- Data Coverage: 12 months with available observations
- Total Measurements: 363 daily records
Seasonal Patterns
January22.0°F
February15.7°F
March30.8°F
April45.3°F
... and 8 more months