Portland, Maine1997 Climate Data
North America Region, US
Detailed temperature analysis for 1997 with 365 daily measurements across 12 months.
Avg: 45.9°F
12 Months
365 Records
Year Average
45.9°F
1997
Highest
79.3°F
Lowest
2.6°F
Range
76.7°F
Monthly Temperature Progression - 1997
32°F
24°F
Jan
29°F
Feb
31°F
Mar
42°F
Apr
51°F
May
64°F
Jun
69°F
Jul
67°F
Aug
59°F
Sep
48°F
Oct
37°F
Nov
30°F
Dec
Below Freezing
|32°F (0°C)|Above Freezing
Monthly Details - 1997
January 1997
Average:23.5°F
Range:2.6°F - 42.9°F
Days:31 days
Records:31
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February 1997
Average:29.0°F
Range:14.7°F - 46.9°F
Days:28 days
Records:28
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March 1997
Average:31.1°F
Range:19.5°F - 47.2°F
Days:31 days
Records:31
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April 1997
Average:41.9°F
Range:28.3°F - 50.1°F
Days:30 days
Records:30
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May 1997
Average:51.2°F
Range:41.4°F - 60.6°F
Days:31 days
Records:31
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June 1997
Average:63.8°F
Range:50.3°F - 77.9°F
Days:30 days
Records:30
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July 1997
Average:68.9°F
Range:60.6°F - 76.6°F
Days:31 days
Records:31
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August 1997
Average:66.8°F
Range:59.7°F - 79.3°F
Days:31 days
Records:31
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September 1997
Average:59.2°F
Range:48.2°F - 65.8°F
Days:30 days
Records:30
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October 1997
Average:47.6°F
Range:35.2°F - 62.8°F
Days:31 days
Records:31
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November 1997
Average:36.8°F
Range:24.5°F - 56.5°F
Days:30 days
Records:30
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December 1997
Average:29.8°F
Range:15.3°F - 38.4°F
Days:31 days
Records:31
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1997 Climate Summary
The year 1997 in Portland, Maine, US was characterized by an average temperature of 45.9°F, with temperatures ranging from a low of 2.6°F to a high of 79.3°F.
Temperature Analysis
- Annual Average: 45.9°F
- Temperature Extremes: 76.7°F range
- Data Coverage: 12 months with available observations
- Total Measurements: 365 daily records
Seasonal Patterns
January23.5°F
February29.0°F
March31.1°F
April41.9°F
... and 8 more months