Climate Insights for Awendaw

Johnson County, South Carolina, United States

Hottest
Luglio
31°C peak
Coldest
Gennaio
6°C low
Wettest
Agosto
181mm rain
Best to Visit
Marzo, Aprile, Maggio
Mild temps & low rain

Climate Overview

The climate in Awendaw is warm and mild. The average annual temperature is 20°C and approximately 1346mm of precipitation falls per year. Awendaw receives a notable amount of rainfall throughout the year, including during its driest month. Awendaw is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Luglio, Agosto, Giugno. The coldest months are Gennaio, Dicembre, Febbraio, when temperatures can drop to 6°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 15° Average: 10° Min: 6° Feb Max: 18° Average: 13° Min: 9° Mar Max: 21° Average: 16° Min: 12° Apr Max: 24° Average: 19° Min: 15° May Max: 27° Average: 23° Min: 19° Jun Max: 30° Average: 26° Min: 23° Jul Max: 31° Average: 28° Min: 25° Aug Max: 31° Average: 27° Min: 24° Sep Max: 29° Average: 25° Min: 22° Oct Max: 25° Average: 21° Min: 17° Nov Max: 20° Average: 15° Min: 11° Dec Max: 17° Average: 12° Min: 9°
Max
Average
Min

Temperatures in Awendaw vary considerably across the year, with a 25°C difference between the coldest and warmest months. The warmest month is Luglio, when average highs reach 31°C and the mean temperature sits around 28°C. Gennaio is the coolest month, with minimum temperatures around 6°C and an average of 10°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 78mm Snow: 1mm Feb Precipitation: 84mm Snow: 0mm Mar Precipitation: 73mm Snow: 0mm Apr Precipitation: 95mm Snow: 0mm May Precipitation: 88mm Snow: 0mm Jun Precipitation: 133mm Snow: 0mm Jul Precipitation: 170mm Snow: 0mm Aug Precipitation: 181mm Snow: 0mm Sep Precipitation: 159mm Snow: 0mm Oct Precipitation: 97mm Snow: 0mm Nov Precipitation: 73mm Snow: 0mm Dec Precipitation: 115mm Snow: 0mm
Precipitation
Snow

Awendaw is a fairly wet location, receiving approximately 1346mm of precipitation annually, which averages out to around 112mm per month. The wettest month is August, averaging 181mm of rainfall. July and September also tend to see above-average precipitation. The driest month is November, with just 73mm. That's 108mm less than August, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 19km/h Feb Wind Speed: 19km/h Mar Wind Speed: 19km/h Apr Wind Speed: 19km/h May Wind Speed: 18km/h Jun Wind Speed: 16km/h Jul Wind Speed: 15km/h Aug Wind Speed: 15km/h Sep Wind Speed: 17km/h Oct Wind Speed: 17km/h Nov Wind Speed: 17km/h Dec Wind Speed: 18km/h
Wind Speed

Awendaw is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 19km/h in winter, 19km/h in spring, 16km/h in summer, 17km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

2 days until Spring

It is currently winter in Awendaw, which began on December 21, 2026. Awendaw is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in Luglio at around 31°C, while the coldest stretch bottoms out in Gennaio near 6°C. Spring is next, beginning on March 20, 2026 — 2 days from now.

Spring

Temperatures range from 12 to 27°C. Precipitation is moderate at around 256mm for the season, averaging 85mm per month. Winds are moderate at around 19km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 484mm across the season with a monthly average of 161mm. Winds are moderate at around 16km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 11 to 29°C. Rainfall is heavy, totalling around 329mm across the season with a monthly average of 110mm. Winds are moderate at around 17km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 6 to 18°C. Precipitation is moderate at around 277mm for the season, averaging 92mm per month. Winds are moderate at around 19km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 10°
Feb 13°
Mar 16°
Apr 19°
May 23°
Jun 26°
Jul 28°
Aug 27°
Sep 25°
Oct 21°
Nov 15°
Dec 12°

The best time to visit Awendaw is during Marzo, Aprile, Maggio, Ottobre and Novembre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 85mm per month. By contrast, Luglio can be uncomfortably hot with highs reaching 31°C, while Gennaio is the coldest period with lows dropping to 6°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Awendaw based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
6 °C
15 °C
19 km/h
78 mm
1 cm
Feb
9 °C
18 °C
19 km/h
84 mm
0 cm
Mar Current
12 °C
21 °C
19 km/h
73 mm
0 cm
Apr
15 °C
24 °C
19 km/h
95 mm
0 cm
May
19 °C
27 °C
18 km/h
88 mm
0 cm
Jun
23 °C
30 °C
16 km/h
133 mm
0 cm
Jul
25 °C
31 °C
15 km/h
170 mm
0 cm
Aug
24 °C
31 °C
15 km/h
181 mm
0 cm
Sep
22 °C
29 °C
17 km/h
159 mm
0 cm
Oct
17 °C
25 °C
17 km/h
97 mm
0 cm
Nov
11 °C
20 °C
17 km/h
73 mm
0 cm
Dec
9 °C
17 °C
18 km/h
115 mm
0 cm
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Metric (°C, km/h)