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Monthly climate in Timmonsville, South Carolina, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Timmonsville features a humid subtropical climate (Cfa).Temperatures typically range between 9 °C (48 °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 1255 mm (49.4 inches) and receives 132 rainy days on the 1 mm (0.04 inches) threshold annually.Timmonsville enjoys an average of 3141 hours of sunshine throughout the year, and daylight varies from 9 hours 53 minutes to 14 hours 24 minutes per day.

Monthly average temperatures in Timmonsville, South Carolina, United States §

The warmest months in Timmonsville are June, July and August, with daily mean temperatures ranging from 26 to 27 °C (78 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 12 °C (48 - 53 °F) throughout the day. On average each year, Timmonsville experiences 167 days above 25 °C (77.0 °F) and 23 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Timmonsville, 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 27°C
(80°F)		 28°C
(82°F)		 30°C
(87°F)		 32°C
(89°F)		 37°C
(98°F)		 38°C
(100°F)		 38°C
(101°F)		 38°C
(101°F)		 37°C
(98°F)		 37°C
(100°F)		 30°C
(87°F)		 26°C
(79°F)
Mean maximum 24°C
(75°F)		 26°C
(80°F)		 29°C
(84°F)		 31°C
(87°F)		 34°C
(94°F)		 34°C
(94°F)		 36°C
(97°F)		 36°C
(97°F)		 35°C
(96°F)		 33°C
(91°F)		 28°C
(82°F)		 24°C
(75°F)
Average high 14°C
(58°F)		 18°C
(64°F)		 20°C
(68°F)		 24°C
(76°F)		 28°C
(84°F)		 31°C
(87°F)		 32°C
(91°F)		 32°C
(90°F)		 30°C
(87°F)		 26°C
(79°F)		 19°C
(66°F)		 16°C
(61°F)
Daily mean 9°C
(48°F)		 12°C
(53°F)		 14°C
(57°F)		 18°C
(65°F)		 23°C
(73°F)		 26°C
(78°F)		 27°C
(82°F)		 27°C
(81°F)		 25°C
(77°F)		 20°C
(69°F)		 12°C
(55°F)		 10°C
(50°F)
Average low 4°C
(39°F)		 6°C
(43°F)		 8°C
(47°F)		 12°C
(54°F)		 18°C
(64°F)		 21°C
(70°F)		 23°C
(74°F)		 23°C
(74°F)		 20°C
(69°F)		 15°C
(59°F)		 7°C
(45°F)		 5°C
(41°F)
Mean minimum -6°C
(21°F)		 -4°C
(25°F)		 -3°C
(26°F)		 2°C
(36°F)		 8°C
(47°F)		 15°C
(59°F)		 19°C
(67°F)		 18°C
(65°F)		 13°C
(56°F)		 5°C
(42°F)		 -3°C
(28°F)		 -4°C
(25°F)
Minimum -10°C
(14°F)		 -6°C
(22°F)		 -5°C
(23°F)		 -1°C
(30°F)		 6°C
(43°F)		 12°C
(53°F)		 17°C
(62°F)		 17°C
(62°F)		 10°C
(51°F)		 2°C
(36°F)		 -4°C
(25°F)		 -6°C
(21°F)

Compare climate in Timmonsville with other places

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

Monthly average precipitation in Timmonsville, South Carolina, United States §

Timmonsville usually has the most precipitation in July, September and December, with an average of 11 rainy days and 140 mm (5.5 inches) of precipitation per month.The driest months in Timmonsville are March, October and November. On average, 66 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Timmonsville, 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) 81 (3.2) 99 (3.9) 70 (2.8) 95 (3.7) 110 (4.3) 125 (4.9) 128 (5.1) 125 (4.9) 151 (5.9) 59 (2.3) 69 (2.7) 141 (5.6)
Average precipitation days (≥ 1 mm) 9 10 10 8 10 15 17 17 8 9 9 10

Monthly sunshine hours in Timmonsville, South Carolina, United States §

The sunniest months in Timmonsville are May, July and August, when the sun shines an average of 10 hours 14 minutes a day.Least sunny months in Timmonsville: January, February and December receive an average of 6 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Timmonsville, 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 168 182 246 282 309 306 335 307 293 271 234 202
Mean daily daylight hours 10h 8m 10h 57m 11h 59m 13h 3m 13h 57m 14h 24m 14h 9m 13h 22m 12h 20m 11h 16m 10h 20m 9h 53m

Solar UV radiation in Timmonsville, South Carolina, United States §

Timmonsville 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 Timmonsville UV Index data.

Average daily maximum UV levels by month for Timmonsville, 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