Portland, Maine1998 Climate Data
North America Region, US
Detailed temperature analysis for 1998 with 360 daily measurements across 12 months.
Avg: 49.2°F
12 Months
360 Records
Year Average
49.2°F
1998
Highest
78.8°F
Lowest
8.4°F
Range
70.4°F
Monthly Temperature Progression - 1998
32°F
28°F
Jan
31°F
Feb
38°F
Mar
46°F
Apr
57°F
May
60°F
Jun
70°F
Jul
69°F
Aug
62°F
Sep
50°F
Oct
40°F
Nov
35°F
Dec
Below Freezing
|32°F (0°C)|Above Freezing
Monthly Details - 1998
January 1998
Average:27.7°F
Range:8.4°F - 44.9°F
Days:31 days
Records:31
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February 1998
Average:31.4°F
Range:13.9°F - 42.3°F
Days:28 days
Records:28
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March 1998
Average:37.8°F
Range:17.4°F - 62.6°F
Days:30 days
Records:30
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April 1998
Average:46.4°F
Range:37.9°F - 59.3°F
Days:30 days
Records:30
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May 1998
Average:56.7°F
Range:45.5°F - 73.2°F
Days:31 days
Records:31
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June 1998
Average:60.3°F
Range:52.3°F - 68.4°F
Days:30 days
Records:30
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July 1998
Average:69.7°F
Range:61.6°F - 78.2°F
Days:31 days
Records:31
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August 1998
Average:69.2°F
Range:61.2°F - 78.8°F
Days:31 days
Records:31
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September 1998
Average:62.0°F
Range:48.7°F - 69.9°F
Days:30 days
Records:30
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October 1998
Average:50.0°F
Range:38.7°F - 63.8°F
Days:31 days
Records:31
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November 1998
Average:40.1°F
Range:33.5°F - 50.1°F
Days:30 days
Records:30
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December 1998
Average:35.1°F
Range:16.9°F - 51.1°F
Days:27 days
Records:27
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1998 Climate Summary
The year 1998 in Portland, Maine, US was characterized by an average temperature of 49.2°F, with temperatures ranging from a low of 8.4°F to a high of 78.8°F.
Temperature Analysis
- Annual Average: 49.2°F
- Temperature Extremes: 70.4°F range
- Data Coverage: 12 months with available observations
- Total Measurements: 360 daily records
Seasonal Patterns
January27.7°F
February31.4°F
March37.8°F
April46.4°F
... and 8 more months