Awendaw, SC climate
Awendaw has mild winters and warm summers, with plenty of rain. A typical July afternoon reaches 90°, a January night drops to 39°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Awendaw feels like
Winter
Spring
Summer
Fall
Awendaw weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 59° | 39° | 3.4" | 0.2" | 9 | 0 | 44° – 55° |
| February | 62° | 42° | 3.2" | 0.1" | 9 | 0 | 44° – 60° |
| March | 67° | 47° | 3.5" | 0 | 8 | 0 | 51° – 64° |
| April | 75° | 55° | 3.4" | 0 | 8 | 0 | 60° – 69° |
| May | 82° | 63° | 3.3" | 0 | 8 | 0 | 69° – 77° |
| June | 87° | 70° | 5.5" | 0 | 12 | 0 | 74° – 83° |
| July | 90° | 74° | 6.1" | 0 | 13 | 0 | 80° – 85° |
| August | 89° | 73° | 6.6" | 0 | 13 | 0 | 78° – 84° |
| September | 84° | 69° | 5.6" | 0 | 10 | 0 | 74° – 81° |
| October | 77° | 58° | 4.7" | 0 | 7 | 0 | 64° – 72° |
| November | 68° | 48° | 3.0" | 0 | 7 | 0 | 53° – 64° |
| December | 62° | 42° | 3.4" | 0 | 9 | 0 | 42° – 62° |
| Year | 75° | 57° | 51.6" | 0.3" | 114 | 0 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Awendaw
Awendaw gets 52 inches of rain and melted snow a year. August is the wettest month and November the driest. Rain or snow falls on about 114 days a year.
About 250 frost-free days a year
In half of years the last 32° night comes by March 17 and the first one by November 21. That leaves about 250 frost-free days for gardens, longer than 90% of U.S. towns.
Heating and cooling a home in Awendaw
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Awendaw, 48% of that work is heating and 52% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Awendaw and its neighbors
Awendaw borders 1 town with climate data. January nights across them vary by 1.7°. Mount Pleasant has both the coldest January nights (41°) and the hottest July afternoons (90°). Awendaw’s January low is 39° and its July high 90°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Awendaw compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Awendaw averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.5°). The shift is smaller than in 51% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Awendaw’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 42° to 62°. July is the most reliable, staying within 5°.
Common questions about Awendaw’s climate
What is the coldest month in Awendaw?
January, with a typical high of 59° and a low of 39°.
What is the hottest month in Awendaw?
July, with a typical high of 90° and a low of 74°. About 50 days a year reach 90°.
How much snow does Awendaw get?
Almost none. A normal year brings 0.3 inches.
When is the first frost in Awendaw?
In half of years the first 32° night comes by November 21, and the last spring frost by March 17.
What is the rainiest month in Awendaw?
August, with 6.6 inches of rain and melted snow. The year totals 52 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Awendaw itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Charleston Intl Airport, SC (23 mi, snow) and Mcclellanville, SC (13 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.