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Monthly climate in Bethlehem, North Carolina, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bethlehem features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (41 °F) and 26 °C (79 °F) through the year, but rarely can drop to -13 °C (8 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1284 mm (50.5 inches) and receives 131 rainy days on the 1 mm (0.04 inches) threshold annually.Bethlehem enjoys an average of 3086 hours of sunshine throughout the year, and daylight varies from 9 hours 45 minutes to 14 hours 31 minutes per day.

Monthly average temperatures in Bethlehem, North Carolina, United States §

The warmest months in Bethlehem are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (75 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 8 °C (41 - 47 °F) throughout the day. On average each year, Bethlehem experiences 129 days above 25 °C (77.0 °F) and 44 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bethlehem, North 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 23°C
(75°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(85°F)		 35°C
(95°F)		 34°C
(94°F)		 36°C
(97°F)		 34°C
(94°F)		 35°C
(95°F)		 35°C
(95°F)		 26°C
(79°F)		 24°C
(75°F)
Mean maximum 21°C
(69°F)		 24°C
(76°F)		 26°C
(80°F)		 28°C
(83°F)		 32°C
(90°F)		 33°C
(92°F)		 35°C
(96°F)		 34°C
(93°F)		 33°C
(92°F)		 31°C
(88°F)		 24°C
(76°F)		 21°C
(69°F)
Average high 10°C
(50°F)		 14°C
(57°F)		 16°C
(62°F)		 21°C
(70°F)		 26°C
(79°F)		 29°C
(84°F)		 32°C
(90°F)		 30°C
(87°F)		 28°C
(82°F)		 23°C
(73°F)		 15°C
(60°F)		 12°C
(54°F)
Daily mean 5°C
(41°F)		 8°C
(47°F)		 11°C
(52°F)		 15°C
(60°F)		 20°C
(69°F)		 24°C
(75°F)		 26°C
(79°F)		 25°C
(77°F)		 22°C
(73°F)		 17°C
(63°F)		 9°C
(49°F)		 7°C
(45°F)
Average low 1°C
(33°F)		 3°C
(37°F)		 5°C
(42°F)		 9°C
(49°F)		 15°C
(59°F)		 19°C
(66°F)		 21°C
(71°F)		 21°C
(69°F)		 18°C
(64°F)		 12°C
(54°F)		 4°C
(40°F)		 2°C
(36°F)
Mean minimum -8°C
(17°F)		 -5°C
(23°F)		 -4°C
(25°F)		 0°C
(33°F)		 5°C
(42°F)		 14°C
(57°F)		 16°C
(62°F)		 15°C
(60°F)		 11°C
(52°F)		 3°C
(37°F)		 -3°C
(26°F)		 -6°C
(22°F)
Minimum -13°C
(8°F)		 -6°C
(22°F)		 -5°C
(23°F)		 -2°C
(30°F)		 3°C
(38°F)		 11°C
(52°F)		 14°C
(58°F)		 13°C
(56°F)		 7°C
(45°F)		 0°C
(32°F)		 -6°C
(21°F)		 -9°C
(16°F)

Compare climate in Bethlehem with other places

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

Monthly average precipitation in Bethlehem, North Carolina, United States §

Bethlehem usually has the most precipitation in February, May and September, with an average of 12 rainy days and 124 mm (4.9 inches) of precipitation per month.The driest months in Bethlehem are January, July and November. On average, 85 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bethlehem, North 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) 87 (3.4) 121 (4.8) 97 (3.8) 119 (4.7) 124 (4.9) 93 (3.6) 81 (3.2) 114 (4.5) 126 (4.9) 120 (4.7) 87 (3.4) 116 (4.6)
Average precipitation days (≥ 1 mm) 9 12 12 9 13 12 14 13 11 9 8 9

Monthly sunshine hours in Bethlehem, North Carolina, United States §

The sunniest months in Bethlehem are June, July and August, when the sun shines an average of 10 hours 36 minutes a day.Least sunny months in Bethlehem: January, February and December receive an average of 5 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bethlehem, North 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 159 178 246 269 296 320 346 309 279 258 225 195
Mean daily daylight hours 10h 1m 10h 53m 11h 59m 13h 7m 14h 3m 14h 31m 14h 16m 13h 26m 12h 21m 11h 13m 10h 15m 9h 45m

Solar UV radiation in Bethlehem, North Carolina, United States §

Bethlehem experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Bethlehem UV Index data.

Average daily maximum UV levels by month for Bethlehem, North 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 6 8 10 10 11 11 10 9 8 5 3