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Summerville, United States Snapshot 2026
Where is Summerville?
Summerville, United States
- Continent
- Americas
- Country
- United States
- City
- Summerville
- Population
- 48.8K
- Elevation
- 27 m
- Coordinates
- 33.02°, -80.18°
Summerville is a city in United States with a population of approximately 48.8K. Average temperatures range from 6°C (42°F) in January to 32°C (90°F) in July. The best time to visit is March, April, May, October.
Time in Summerville right now
Open full time & time zone page 20:37 37
Monday, June 15, 2026
IANA time zone
America/New_York
Daylight saving
DST in effect
EST / EDT
Next DST change
November 1
backward -1h
Live weather in Summerville
Daylight in Summerville today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 19m
Climate normals for Summerville
Long-term monthly averages based on historical data.
January
Fair 
February
Good March best
Good April best
Excellent May best
Excellent June
Fair July
Wet August
Wet September
Good October best
Excellent November
Good December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 15°C / 6°C | 13°C / 3°C | 9days (75 mm) Wet | 7.2h Good | 72% Muggy | 3.6 Moderate | Fair | View Details |
| February | 19°C / 9°C | 18°C / 7°C | 8days (78 mm) Wet | 7.5h Good | 74% Muggy | 4.4 Moderate | Good | View Details |
| March best | 21°C / 11°C | 21°C / 9°C | 9days (81 mm) Wet | 8.9h Good | 68% Muggy | 6.1 High | Good | View Details |
| April best | 24°C / 14°C | 25°C / 13°C | 8days (93 mm) Wet | 10.7h Excellent | 68% Muggy | 7.3 Very High | Excellent | View Details |
| May best | 28°C / 19°C | 30°C / 20°C | 12days (98 mm) Wet | 10.9h Excellent | 71% Muggy | 7.3 Very High | Excellent | View Details |
| June | 31°C / 22°C | 35°C / 25°C | 16days (139 mm) Wet | 11.3h Excellent | 77% Humid | 7.9 Very High | Fair | View Details |
| July | 32°C / 24°C | 38°C / 28°C | 20days (180 mm) Wet | 11.4h Excellent | 80% Humid | 8 Very High | Wet | View Details |
| August | 31°C / 24°C | 36°C / 28°C | 20days (177 mm) Wet | 10.5h Excellent | 82% Humid | 7 High | Wet | View Details |
| September | 29°C / 21°C | 32°C / 24°C | 12days (127 mm) Wet | 9.8h Good | 79% Humid | 6.5 High | Good | View Details |
| October best | 25°C / 16°C | 26°C / 16°C | 6days (79 mm) Good | 8.8h Good | 75% Muggy | 5.2 High | Excellent | View Details |
| November | 20°C / 11°C | 19°C / 9°C | 7days (52 mm) Good | 7.9h Good | 73% Muggy | 4 Moderate | Good | View Details |
| December | 16°C / 8°C | 15°C / 5°C | 9days (109 mm) Wet | 6.6h Fair | 76% Humid | 3.2 Moderate | Good | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 15°C / 6°C . Feb: 19°C / 9°C . Mar: 21°C / 11°C . Apr: 24°C / 14°C . May: 28°C / 19°C . Jun: 31°C / 22°C . Jul: 32°C / 24°C . Aug: 31°C / 24°C . Sep: 29°C / 21°C . Oct: 25°C / 16°C . Nov: 20°C / 11°C . Dec: 16°C / 8°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 75 mm. Feb: 78 mm. Mar: 81 mm. Apr: 93 mm. May: 98 mm. Jun: 139 mm. Jul: 180 mm. Aug: 177 mm. Sep: 127 mm. Oct: 79 mm. Nov: 52 mm. Dec: 109 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 72%. Feb: 74%. Mar: 68%. Apr: 68%. May: 71%. Jun: 77%. Jul: 80%. Aug: 82%. Sep: 79%. Oct: 75%. Nov: 73%. Dec: 76%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 16 km/h . Feb: 16 km/h . Mar: 17 km/h . Apr: 17 km/h . May: 15 km/h . Jun: 14 km/h . Jul: 13 km/h . Aug: 12 km/h . Sep: 14 km/h . Oct: 14 km/h . Nov: 14 km/h . Dec: 15 km/h .
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 7. Oct: UV 5. Nov: UV 4. Dec: UV 3.
Frequently Asked Questions
Summerville has a population of approximately 48.8K.
The best months to visit Summerville are March, April, May, October, when temperatures are pleasant and rainfall is lower.
Summerville receives approximately 1288mm of rainfall annually across 136 rainy days.
Summerville is located in United States, in the Americas region.
Summerville sits at an elevation of 27 m (89 ft) above sea level.