Socastee, United States experiences average highs of 23°C (73°F) and lows of 16°C (61°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Socastee, United States Weather & Climate 2026
Monthly climate averages for Socastee, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Sep At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.7/10
Best: April, May, October
UV Index
6
High
Temperature 23°C / 16°C
Feels Like 24°C / 16°C
Rainy Days 11
Rainfall 113 mm
Sunshine 9 h
Humidity 76%
Wind Speed 18 km/h
Dew Point 15°C
Snow Days 1 days
Frost Days 2 days
Hottest Month
31°C
July
Avg Low25°C
Rain20days
Coldest Month
6°C
January
Avg High14°C
Rain9days
Driest Month
6days
October
Avg High24°C
Avg Low17°C
Windiest Month
20 km/h
April (Gusts 40)
Sea Temperature
10°C – 30°C
Warmest water: July (
30.2°C
)
Worst Time to Visit
Consider avoiding July due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 06:06
Daylight 14.4h
Sunset 20:29
Live conditions—
Socastee on the map · live conditions
Socastee, United States
- Continent
- Americas
- Country
- United States
- City
- Socastee
- Population
- 20K
- Elevation
- 5 m
- Coordinates
- 33.68°, -79.00°
Seasonal Breakdown
Spring
Mar–May
Avg High 23°C
Avg Low 15°C
Rain 9 days/mo
2/3 best months
Summer
Jun–Aug
Avg High 30°C
Avg Low 24°C
Rain 18 days/mo
Autumn
Sep–Nov
Avg High 24°C
Avg Low 17°C
Rain 9 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 15°C
Avg Low 8°C
Rain 9 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 14°C / 6°C . Feb: 17°C / 9°C . Mar: 19°C / 11°C . Apr: 23°C / 15°C . May: 26°C / 19°C . Jun: 29°C / 23°C . Jul: 31°C / 25°C . Aug: 30°C / 24°C . Sep: 28°C / 22°C . Oct: 24°C / 17°C . Nov: 19°C / 12°C . Dec: 15°C / 8°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 82 mm. Feb: 80 mm. Mar: 90 mm. Apr: 79 mm. May: 116 mm. Jun: 128 mm. Jul: 184 mm. Aug: 191 mm. Sep: 165 mm. Oct: 66 mm. Nov: 63 mm. Dec: 108 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 72%. Feb: 75%. Mar: 70%. Apr: 70%. May: 75%. Jun: 79%. Jul: 82%. Aug: 83%. Sep: 80%. Oct: 75%. Nov: 73%. Dec: 76%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 19 km/h . Feb: 19 km/h . Mar: 20 km/h . Apr: 20 km/h . May: 18 km/h . Jun: 17 km/h . Jul: 16 km/h . Aug: 15 km/h . Sep: 17 km/h . Oct: 17 km/h . Nov: 17 km/h . Dec: 18 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 8h. Mar: 9h. Apr: 11h. May: 11h. Jun: 12h. Jul: 11h. Aug: 10h. Sep: 10h. Oct: 9h. Nov: 8h. Dec: 7h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 10°C . Feb: 12°C . Mar: 15°C . Apr: 20°C . May: 24°C . Jun: 27°C . Jul: 30°C . Aug: 29°C . Sep: 27°C . Oct: 22°C . Nov: 18°C . Dec: 13°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 4. Mar: UV 6. Apr: UV 7. May: UV 7. Jun: UV 8. Jul: UV 8. Aug: UV 7. Sep: UV 6. Oct: UV 5. Nov: UV 4. Dec: UV 3.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 1 days. Feb: 0 days. Mar: 0 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 0 days. Dec: 0 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 12 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 31°C | Jul · 31°C |
| Coldest month | Jan 2025 · 2°C | Jan · 6°C |
| Wettest month | Aug 2025 · 221 mm | Aug · 191 mm |
| Windiest month | Mar 2025 · 22 km/h | Apr · 20 km/h |
Month-by-Month Weather Table
January
Fair 
February
Good March
Good April best
Excellent May best
Excellent June
Fair July
Wet August
Wet September
Good October best
Excellent November
Good December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 14°C / 6°C | 11°C / 3°C | 9days (82 mm) Wet | 7.2h Good | 72% Muggy | 3.6 Moderate | Fair | View Details |
| February | 17°C / 9°C | 16°C / 6°C | 8days (80 mm) Wet | 7.5h Good | 75% Muggy | 4.4 Moderate | Good | View Details |
| March | 19°C / 11°C | 18°C / 9°C | 8days (90 mm) Wet | 8.9h Good | 70% Muggy | 6 High | Good | View Details |
| April best | 23°C / 15°C | 23°C / 13°C | 7days (79 mm) Good | 10.7h Excellent | 70% Muggy | 7.2 Very High | Excellent | View Details |
| May best | 26°C / 19°C | 29°C / 20°C | 11days (116 mm) Wet | 10.8h Excellent | 75% Muggy | 7.2 Very High | Excellent | View Details |
| June | 29°C / 23°C | 33°C / 26°C | 14days (128 mm) Wet | 11.6h Excellent | 79% Humid | 8 Very High | Fair | View Details |
| July | 31°C / 25°C | 36°C / 29°C | 20days (184 mm) Wet | 11.3h Excellent | 82% Humid | 7.8 Very High | Wet | View Details |
| August | 30°C / 24°C | 35°C / 28°C | 20days (191 mm) Wet | 10.4h Excellent | 83% Humid | 7.3 Very High | Wet | View Details |
| September | 28°C / 22°C | 31°C / 24°C | 12days (165 mm) Wet | 9.8h Good | 80% Humid | 6.3 High | Good | View Details |
| October best | 24°C / 17°C | 25°C / 17°C | 6days (66 mm) Good | 8.9h Good | 75% Muggy | 5.2 High | Excellent | View Details |
| November | 19°C / 12°C | 18°C / 9°C | 8days (63 mm) Wet | 8h Good | 73% Muggy | 4 Moderate | Good | View Details |
| December | 15°C / 8°C | 14°C / 5°C | 9days (108 mm) Wet | 6.6h Fair | 76% Humid | 3.2 Moderate | Fair | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Socastee are April, May, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Socastee, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Socastee is July, with average daytime highs of 31°C (87°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Socastee is January, with average overnight lows of 6°C (43°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Socastee is August, averaging 191mm of precipitation across 20 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Socastee runs through July, August, June, September, with the heaviest rainfall in July. Based on 10-year averages for Socastee.
Socastee receives approximately 112 sunshine hours per year. The sunniest month is June with around 12 hours. Based on climate data for Socastee.
The least favorable months to visit Socastee are July, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider April, May, October instead.
The annual average UV index in Socastee is 6, classified as high. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Socastee is 76%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in May, June, July, August, September, October average 27°C (81°F), which is warm and comfortable for swimming and water activities.
Yes, Socastee receives snow. Months with snowfall average 1 snow days and 3 cm (1 in) of accumulation, with about 2 frost days during winter.
Average wind speeds in Socastee are 18 km/h (11 mph). The windiest month is April with peak winds reaching 20 km/h (13 mph) (gusts up to 40 km/h / 25 mph).
Socastee averages 6 clear-sky days per month with overall cloud cover around 54%. The clearest skies occur in October.
The annual average dew point in Socastee is 15°C (59°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Socastee has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Socastee ranges from 16°C (61°F) to 24°C (75°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
June is not the best time to visit Socastee, with a climate score of 6/10. Consider visiting during April, May, October instead for better conditions.
For June in Socastee, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 29°C (84°F) and 14 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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