Irwin, South Carolina Climate
United States
Pop. 1,405 Elev. 152 m / 499 ft
TZ: America/New_York (UTC-4) ·
Irwin sees warm summers peaking at 91°F (33°C) in July, and cold winters that bottom out around 30°F (-1°C) in January. Humidity pushes the summer feels-like temperature to around 111°F (44°C). Precipitation occurs on roughly 62 days per year (36.9 in / 937 mm total), with 3 in (89 mm) of annual snowfall. The city averages 140 sunny days per year and around 41 thunderstorm days. Nearby lake water reaches 84°F (29°C) in summer.
| Temperature | 91°F (33°C) high | 30°F (-1°C) low |
| Feels like | 111°F (44°C) high | 30°F (-1°C) low |
| Rain | 62 days | 36.9 in (937 mm) /yr |
| Snow | 0 days | 3.5 in (89 mm) /yr |
| Sky | 140 sunny | 41 stormy |
| Wind | 2.3 mph (1.0 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Feb, Mar, Apr, Sep, Oct, Nov
Sky & Air by Month
Cloud cover (%)
39
Jan 47
Feb 43
Mar 57
Apr 70
May 57
Jun 65
Jul 70
Aug 48
Sep 48
Oct 31
Nov 48
Dec Humidity (%)
55
Jan 62
Feb 48
Mar 60
Apr 68
May 70
Jun 72
Jul 75
Aug 64
Sep 65
Oct 55
Nov 63
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 37 mi Charlotte Douglas International Airport (CLT)
Ski resort 113 mi Appalachian Mountain Ski Area
National park 106 mi Redcliffe Plantation State Historic Site
Mountain peak
(5,735 ft) 112 mi MacRae Peak
Hospital 3 mi Springs Memorial Hospital
Hiking trail 23 mi Blue Star
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 49°F 10°C | 30°F -1°C | 1.3 in 32 mm | 2.9 in74 mm | 16 |
| February | 61°F 16°C | 40°F 4°C | 2.5 in 64 mm | 0.5 in13 mm | 13 |
| March | 70°F 21°C | 47°F 9°C | 2.5 in 64 mm | — | 18 |
| April | 77°F 25°C | 57°F 14°C | 2.9 in 73 mm | — | 8 |
| May | 79°F 26°C | 62°F 17°C | 5.8 in 146 mm | — | 5 |
| June | 89°F 31°C | 71°F 22°C | 4.4 in 111 mm | — | 9 |
| July | 91°F 33°C | 75°F 24°C | 5.3 in 136 mm | — | 4 |
| August | 83°F 28°C | 69°F 21°C | 5.3 in 134 mm | — | 5 |
| September | 84°F 29°C | 64°F 18°C | 1.1 in 27 mm | — | 15 |
| October | 72°F 22°C | 54°F 12°C | 3.1 in 80 mm | — | 15 |
| November | 67°F 20°C | 45°F 7°C | 0.7 in 17 mm | 0.1 in1 mm | 19 |
| December | 56°F 13°C | 37°F 3°C | 2.1 in 54 mm | — | 13 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 16 | 1 |
| February | 13 | 1 |
| March | 18 | 3 |
| April | 8 | 3 |
| May | 5 | 5 |
| June | 9 | 6 |
| July | 4 | 9 |
| August | 5 | 7 |
| September | 15 | 1 |
| October | 15 | 3 |
| November | 19 | 1 |
| December | 13 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 44°F 7°C |
| February | 45°F 7°C |
| March | 50°F 10°C |
| April | 64°F 18°C |
| May | 71°F 22°C |
| June | 81°F 27°C |
| July | 84°F 29°C |
| August | 80°F 27°C |
| September | 74°F 23°C |
| October | 65°F 18°C |
| November | 55°F 13°C |
| December | 48°F 9°C |