Charleston, South Carolina1999 Climate Data
North America Region, US
Detailed temperature analysis for 1999 with 364 daily measurements across 12 months.
Avg: 65.7°F
12 Months
364 Records
Year Average
65.7°F
1999
Highest
91.6°F
Lowest
29.6°F
Range
62.0°F
Monthly Temperature Progression - 1999
32°F
54°F
Jan
53°F
Feb
55°F
Mar
67°F
Apr
70°F
May
75°F
Jun
82°F
Jul
83°F
Aug
74°F
Sep
66°F
Oct
60°F
Nov
51°F
Dec
Below Freezing
|32°F (0°C)|Above Freezing
Monthly Details - 1999
January 1999
Average:53.5°F
Range:29.6°F - 70.0°F
Days:30 days
Records:30
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February 1999
Average:53.2°F
Range:35.8°F - 68.9°F
Days:28 days
Records:28
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March 1999
Average:54.6°F
Range:43.2°F - 66.7°F
Days:31 days
Records:31
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April 1999
Average:67.1°F
Range:49.8°F - 76.3°F
Days:30 days
Records:30
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May 1999
Average:69.7°F
Range:50.1°F - 76.5°F
Days:31 days
Records:31
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June 1999
Average:75.3°F
Range:67.4°F - 80.0°F
Days:30 days
Records:30
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July 1999
Average:81.5°F
Range:74.8°F - 88.8°F
Days:31 days
Records:31
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August 1999
Average:82.5°F
Range:70.6°F - 91.6°F
Days:31 days
Records:31
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September 1999
Average:74.1°F
Range:61.6°F - 83.0°F
Days:30 days
Records:30
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October 1999
Average:65.8°F
Range:50.8°F - 75.4°F
Days:31 days
Records:31
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November 1999
Average:59.7°F
Range:46.4°F - 70.2°F
Days:30 days
Records:30
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December 1999
Average:50.6°F
Range:35.6°F - 66.1°F
Days:31 days
Records:31
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1999 Climate Summary
The year 1999 in Charleston, South Carolina, US was characterized by an average temperature of 65.7°F, with temperatures ranging from a low of 29.6°F to a high of 91.6°F.
Temperature Analysis
- Annual Average: 65.7°F
- Temperature Extremes: 62.0°F range
- Data Coverage: 12 months with available observations
- Total Measurements: 364 daily records
Seasonal Patterns
January53.5°F
February53.2°F
March54.6°F
April67.1°F
... and 8 more months