UTC Offset
UTC-04:00
Sumter, United States Snapshot 2026
Where is Sumter?
Sumter, United States
- Continent
- Americas
- Country
- United States
- City
- Sumter
- Population
- 40.8K
- Elevation
- 52 m
- Coordinates
- 33.92°, -80.34°
Sumter is a city in United States with a population of approximately 40.8K. Average temperatures range from 4°C (40°F) in January to 32°C (90°F) in July. The best time to visit is April, May, September, October.
Time in Sumter right now
Open full time & time zone page 13:44 44
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 Sumter
Daylight in Sumter today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 24m
Climate normals for Sumter
Long-term monthly averages based on historical data.
January
Fair 
February
Fair March
Good April best
Excellent May best
Excellent June
Fair July
Poor August
Fair September best
Excellent October best
Excellent November
Good December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 14°C / 4°C | 11°C / 1°C | 10days (89 mm) Wet | 6.8h Fair | 69% Muggy | 3.6 Moderate | Fair | View Details |
| February | 17°C / 7°C | 15°C / 4°C | 8days (79 mm) Wet | 7h Good | 70% Muggy | 4.3 Moderate | Fair | View Details |
| March | 20°C / 10°C | 19°C / 7°C | 9days (82 mm) Wet | 8.4h Good | 64% Muggy | 5.8 High | Good | View Details |
| April best | 24°C / 13°C | 24°C / 12°C | 8days (88 mm) Wet | 10.3h Excellent | 63% Muggy | 7.2 Very High | Excellent | View Details |
| May best | 28°C / 18°C | 29°C / 18°C | 10days (100 mm) Wet | 10.4h Excellent | 67% Muggy | 7.2 Very High | Excellent | View Details |
| June | 31°C / 22°C | 34°C / 24°C | 13days (100 mm) Wet | 11.5h Excellent | 71% Muggy | 8 Very High | Fair | View Details |
| July | 32°C / 24°C | 37°C / 28°C | 17days (131 mm) Wet | 11.5h Excellent | 75% Muggy | 8 Very High | Poor | View Details |
| August | 31°C / 23°C | 35°C / 27°C | 16days (133 mm) Wet | 10.3h Excellent | 77% Humid | 7.3 Very High | Fair | View Details |
| September best | 29°C / 21°C | 32°C / 22°C | 9days (118 mm) Wet | 9.8h Good | 72% Muggy | 6.5 High | Excellent | View Details |
| October best | 25°C / 15°C | 25°C / 15°C | 6days (69 mm) Good | 8.6h Good | 70% Muggy | 5.1 High | Excellent | View Details |
| November | 19°C / 10°C | 18°C / 7°C | 7days (59 mm) Good | 7.6h Good | 67% Muggy | 3.9 Moderate | Good | View Details |
| December | 15°C / 6°C | 13°C / 3°C | 10days (110 mm) Wet | 6.3h Fair | 72% Muggy | 3.1 Moderate | Fair | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 14°C / 4°C . Feb: 17°C / 7°C . Mar: 20°C / 10°C . Apr: 24°C / 13°C . May: 28°C / 18°C . Jun: 31°C / 22°C . Jul: 32°C / 24°C . Aug: 31°C / 23°C . Sep: 29°C / 21°C . Oct: 25°C / 15°C . Nov: 19°C / 10°C . Dec: 15°C / 6°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 89 mm. Feb: 79 mm. Mar: 82 mm. Apr: 88 mm. May: 100 mm. Jun: 100 mm. Jul: 131 mm. Aug: 133 mm. Sep: 118 mm. Oct: 69 mm. Nov: 59 mm. Dec: 110 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 69%. Feb: 70%. Mar: 64%. Apr: 63%. May: 67%. Jun: 71%. Jul: 75%. Aug: 77%. Sep: 72%. Oct: 70%. Nov: 67%. Dec: 72%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 19 km/h . Feb: 20 km/h . Mar: 21 km/h . Apr: 20 km/h . May: 18 km/h . Jun: 16 km/h . Jul: 15 km/h . Aug: 15 km/h . Sep: 16 km/h . Oct: 16 km/h . Nov: 17 km/h . Dec: 18 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
Sumter has a population of approximately 40.8K.
The best months to visit Sumter are April, May, September, October, when temperatures are pleasant and rainfall is lower.
Sumter receives approximately 1158mm of rainfall annually across 123 rainy days.
Sumter is located in United States, in the Americas region.
Sumter sits at an elevation of 52 m (171 ft) above sea level.