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Monthly climate in Saint Stephen, South Carolina, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Saint Stephen features a humid subtropical climate (Cfa).Temperatures typically range between 10 °C (50 °F) and 27 °C (82 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1305 mm (51.4 inches) and receives 130 rainy days on the 1 mm (0.04 inches) threshold annually.Saint Stephen enjoys an average of 3241 hours of sunshine throughout the year, and daylight varies from 9 hours 57 minutes to 14 hours 18 minutes per day.

Monthly average temperatures in Saint Stephen, South Carolina, United States §

The warmest months in Saint Stephen are June, July and August, with daily mean temperatures ranging from 26 to 27 °C (79 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 13 °C (50 - 55 °F) throughout the day. On average each year, Saint Stephen experiences 165 days above 25 °C (77.0 °F) and 12 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Saint Stephen, South Carolina, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 26°C
(79°F)		 29°C
(84°F)		 30°C
(86°F)		 32°C
(89°F)		 38°C
(100°F)		 38°C
(101°F)		 37°C
(99°F)		 36°C
(98°F)		 35°C
(96°F)		 36°C
(97°F)		 30°C
(86°F)		 25°C
(78°F)
Mean maximum 24°C
(75°F)		 27°C
(80°F)		 28°C
(83°F)		 30°C
(86°F)		 34°C
(93°F)		 34°C
(94°F)		 35°C
(95°F)		 35°C
(95°F)		 34°C
(94°F)		 32°C
(90°F)		 27°C
(82°F)		 24°C
(75°F)
Average high 15°C
(59°F)		 18°C
(65°F)		 20°C
(69°F)		 24°C
(76°F)		 28°C
(83°F)		 30°C
(87°F)		 32°C
(90°F)		 31°C
(89°F)		 30°C
(86°F)		 26°C
(79°F)		 19°C
(66°F)		 16°C
(61°F)
Daily mean 10°C
(50°F)		 13°C
(55°F)		 15°C
(59°F)		 19°C
(66°F)		 23°C
(74°F)		 26°C
(79°F)		 27°C
(82°F)		 27°C
(81°F)		 25°C
(77°F)		 21°C
(70°F)		 13°C
(56°F)		 11°C
(52°F)
Average low 5°C
(42°F)		 8°C
(46°F)		 10°C
(49°F)		 13°C
(57°F)		 19°C
(66°F)		 22°C
(72°F)		 24°C
(75°F)		 24°C
(75°F)		 21°C
(70°F)		 17°C
(62°F)		 8°C
(47°F)		 6°C
(44°F)
Mean minimum -5°C
(24°F)		 -2°C
(29°F)		 -1°C
(30°F)		 4°C
(40°F)		 10°C
(50°F)		 17°C
(63°F)		 20°C
(69°F)		 20°C
(68°F)		 15°C
(59°F)		 7°C
(45°F)		 -0°C
(32°F)		 -2°C
(28°F)
Minimum -10°C
(14°F)		 -4°C
(26°F)		 -3°C
(28°F)		 0°C
(33°F)		 7°C
(46°F)		 13°C
(56°F)		 19°C
(66°F)		 18°C
(65°F)		 12°C
(53°F)		 3°C
(38°F)		 -2°C
(28°F)		 -4°C
(25°F)

Compare climate in Saint Stephen with other places

Compare temperature, precipitation, sunshine, UV index in Saint Stephen, South Carolina, United States with other places around the world.

Monthly average precipitation in Saint Stephen, South Carolina, United States §

Saint Stephen usually has the most precipitation in July, August and December, with an average of 15 rainy days and 160 mm (6.3 inches) of precipitation per month.The driest months in Saint Stephen are January, October and November. On average, 67 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Saint Stephen, South Carolina, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 75 (2.9) 92 (3.6) 77 (3.0) 96 (3.8) 93 (3.6) 134 (5.3) 171 (6.7) 164 (6.5) 135 (5.3) 55 (2.1) 70 (2.8) 144 (5.7)
Average precipitation days (≥ 1 mm) 8 9 9 8 9 16 18 19 9 8 8 9

Monthly sunshine hours in Saint Stephen, South Carolina, United States §

The sunniest months in Saint Stephen are May, June and July, when the sun shines an average of 10 hours 31 minutes a day.Least sunny months in Saint Stephen: January, February and December receive an average of 6 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Saint Stephen, South Carolina, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 178 195 260 292 323 306 337 304 299 283 246 212
Mean daily daylight hours 10h 12m 10h 59m 11h 59m 13h 1m 13h 53m 14h 18m 14h 5m 13h 19m 12h 19m 11h 18m 10h 24m 9h 57m

Solar UV radiation in Saint Stephen, South Carolina, United States §

Saint Stephen experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Saint Stephen UV Index data.

Average daily maximum UV levels by month for Saint Stephen, South Carolina, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 4 7 8 10 11 11 11 10 9 8 6 4