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Average weather in Mount Pleasant

| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average temp. (°F) | 47.8 | 49.6 | 56.3 | 63.8 | 72.0 | 78.2 | 81.5 | 80.4 | 76.2 | 67.2 | 58.8 | 50.7 |
| High temperature (°F) | 56.9 | 59.3 | 65.5 | 72.6 | 79.9 | 85.3 | 88.6 | 87.4 | 83.2 | 75.8 | 68.0 | 59.9 |
| Low temperature (°F) | 38.7 | 39.9 | 46.9 | 54.8 | 64.1 | 71.0 | 74.4 | 73.3 | 69.2 | 58.7 | 49.6 | 41.4 |
| Precipitation (in) | 4.2 | 3.1 | 4.1 | 2.8 | 2.9 | 5.0 | 5.0 | 6.4 | 5.6 | 3.6 | 2.9 | 3.4 |
Mount Pleasant, SC (29464) Weather Facts
July is the average warmest month.
The highest recorded temperature was 105°F in 1952.
The average coolest month is January.
The lowest recorded temperature was 9°F in 1985.
The maximum average precipitation occurs in August.
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