Mount Pleasant in Winter
In winter (December, January and February), Mount Pleasant sees average daytime highs around 59°F and overnight lows near 50°F, with 11.5 in of rain over about 28 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.
Across winter, daytime highs hold fairly steady around 59°F. The sky is clear or mostly clear about 38% of the time across winter, and the air most often feels dry.
Winter is Mount Pleasant's weakest season of the year to visit on our travel score. For the whole year in context, see Mount Pleasant's year-round climate.
- Avg daytime high
- 59°F
- coldest season of the year
- Avg overnight low
- 50°F
- Rainfall
- 11.5 in
- 28 wet days
- Avg wind
- 12 mph
- Travel score
- 4.8
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Mount Pleasant in Winter
Across winter, daytime highs hold fairly steady around 59°F.
A typical winter day in Mount Pleasant reaches about 59°F and drops to 50°F overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Mount Pleasant
Once humidity and wind are folded in, winter brings about 0 days that feel above 90°F and 0 that feel at or below 32°F.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Mount Pleasant weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 58° / 49° | 3.7 | 9.6 | 10.1 | 4.5 |
| Feb | 59° / 50° | 3.8 | 9 | 10.8 | 4.7 |
| Mar | 63° / 55° | 3.5 | 8.3 | 11.8 | 6.0 |
| Apr | 69° / 62° | 3.0 | 7 | 12.8 | 7.0 |
| May | 75° / 69° | 2.5 | 8.2 | 13.7 | 7.3 |
| Jun | 81° / 76° | 4.6 | 13.9 | 14.1 | 5.9 |
| Jul | 84° / 78° | 4.9 | 15 | 13.9 | 5.0 |
| Aug | 83° / 78° | 6.5 | 18.2 | 13.2 | 4.8 |
| Sep | 80° / 74° | 6.1 | 14.2 | 12.2 | 6.0 |
| Oct | 74° / 66° | 4.5 | 8.6 | 11.2 | 7.3 |
| Nov | 66° / 57° | 3.0 | 7.5 | 10.3 | 6.6 |
| Dec | 61° / 52° | 4.0 | 9.6 | 9.9 | 5.2 |
Cloud cover in Winter
The sky is clear or mostly clear about 38% of the time across winter.
Chance of precipitation in Winter
Mount Pleasant gets around 11.5 in of rain over 28 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 12 mph across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 hours in early December to 11 h 12 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 3.0 kWh/m².
Hazard calendar for Mount Pleasant
None of Mount Pleasant's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Mount Pleasant sits in the Atlantic hurricane belt; the season peaks August–October.
Is winter a good time to visit Mount Pleasant?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Mount Pleasant for sightseeing.
What to pack for Mount Pleasant in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Mount Pleasant sees daytime highs around 59°F and nights near 50°F. Worth packing: a warm layer and rain gear. About 28 days see rain.
Sea temperature near Mount Pleasant in Winter
The nearest coast averages about 62°F across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 12 mi away) is warmest in August at about 83°F and coldest in February near 60°F.
It's comfortable for a long swim from Apr 25 to Nov 19 — about 6.9 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 61 | 60 | 61 | 66 | 73 | 80 | 83 | 83 | 81 | 75 | 68 | 64 |
| Comfort | Cool | Cool | Cool | Cool | Refreshing | Warm | Tropical | Tropical | Warm | Warm | Refreshing | Cool |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 61 | Cool |
| Feb | 60 | Cool |
| Mar | 61 | Cool |
| Apr | 66 | Cool |
| May | 73 | Refreshing |
| Jun | 80 | Warm |
| Jul | 83 | Tropical |
| Aug | 83 | Tropical |
| Sep | 81 | Warm |
| Oct | 75 | Warm |
| Nov | 68 | Refreshing |
| Dec | 64 | Cool |
UV index in Mount Pleasant in Winter
Clear-sky midday UV across winter averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mount Pleasant peaks around July 13 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 4 | 5 | 7 | 7 | 8 | 9 | 10 | 9 | 8 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 5 | Moderate |
| Mar | 7 | High |
| Apr | 7 | Very high |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Mount Pleasant in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Mount Pleasant is worst in March — around 21 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (December, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 12 | 21 | 12 | 11 | 14 | 16 | 14 | 9 | 6 | 7 | 6 |
| Level | Good | Moderate | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 12 | Moderate |
| Mar | 21 | Moderate |
| Apr | 12 | Moderate |
| May | 11 | Good |
| Jun | 14 | Moderate |
| Jul | 16 | Moderate |
| Aug | 14 | Moderate |
| Sep | 9 | Good |
| Oct | 6 | Good |
| Nov | 7 | Good |
| Dec | 6 | Good |
Where is Mount Pleasant?
Mount Pleasant sits at 32.8°N, 79.9°W, 10 ft above sea level, in United States. The nearest listed city is Charleston, 4.3 mi away.
Topography around Mount Pleasant
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Mount Pleasant.
Within 2 miles, the terrain around Mount Pleasant has only modest variations in elevation — a maximum elevation change of 66 ft around an average of 16 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 131 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 226 ft.
The land around Mount Pleasant is covered by trees (42%), water (20%) and wetland (20%) within 2 miles, water (44%) and trees (27%) within 10 miles, and trees (50%) and water (38%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mount Pleasant (32.7941°, -79.8626°, elevation 10 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.