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Monthly climate in Thurmont, Maryland, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Thurmont features a humid subtropical climate (Cfa).Temperatures typically range between 2 °C (35 °F) and 26 °C (79 °F) through the year, but rarely can drop to -16 °C (3 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1230 mm (48.4 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually.Thurmont enjoys an average of 2938 hours of sunshine throughout the year, and daylight varies from 9 hours 25 minutes to 14 hours 53 minutes per day.

Monthly average temperatures in Thurmont, Maryland, United States §

The warmest months in Thurmont are June, July and August, with daily mean temperatures ranging from 23 to 26 °C (73 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 4 °C (35 - 39 °F) throughout the day. On average each year, Thurmont experiences 107 days above 25 °C (77.0 °F) and 71 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Thurmont, Maryland, 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 20°C
(69°F)		 27°C
(82°F)		 26°C
(79°F)		 30°C
(86°F)		 33°C
(91°F)		 35°C
(95°F)		 37°C
(99°F)		 37°C
(98°F)		 35°C
(94°F)		 34°C
(94°F)		 24°C
(76°F)		 19°C
(66°F)
Mean maximum 17°C
(62°F)		 21°C
(70°F)		 25°C
(76°F)		 28°C
(83°F)		 32°C
(90°F)		 34°C
(94°F)		 36°C
(97°F)		 35°C
(95°F)		 33°C
(91°F)		 30°C
(86°F)		 23°C
(74°F)		 16°C
(62°F)
Average high 5°C
(42°F)		 8°C
(47°F)		 12°C
(54°F)		 18°C
(65°F)		 23°C
(74°F)		 28°C
(83°F)		 31°C
(89°F)		 30°C
(86°F)		 26°C
(80°F)		 21°C
(69°F)		 12°C
(54°F)		 8°C
(46°F)
Daily mean 2°C
(35°F)		 4°C
(39°F)		 7°C
(44°F)		 13°C
(55°F)		 18°C
(65°F)		 23°C
(73°F)		 26°C
(79°F)		 24°C
(76°F)		 21°C
(70°F)		 16°C
(60°F)		 7°C
(45°F)		 4°C
(39°F)
Average low -2°C
(28°F)		 -1°C
(31°F)		 2°C
(36°F)		 7°C
(46°F)		 13°C
(56°F)		 18°C
(64°F)		 21°C
(70°F)		 20°C
(68°F)		 17°C
(62°F)		 11°C
(52°F)		 3°C
(37°F)		 -0°C
(32°F)
Mean minimum -11°C
(12°F)		 -10°C
(14°F)		 -7°C
(19°F)		 -1°C
(31°F)		 4°C
(39°F)		 11°C
(53°F)		 16°C
(61°F)		 15°C
(59°F)		 9°C
(48°F)		 3°C
(37°F)		 -4°C
(24°F)		 -8°C
(18°F)
Minimum -16°C
(3°F)		 -16°C
(3°F)		 -12°C
(12°F)		 -2°C
(28°F)		 1°C
(34°F)		 9°C
(48°F)		 14°C
(58°F)		 14°C
(57°F)		 4°C
(40°F)		 1°C
(33°F)		 -6°C
(22°F)		 -12°C
(11°F)

Compare climate in Thurmont with other places

Compare temperature, precipitation, sunshine, UV index in Thurmont, Maryland, United States with other places around the world.

Monthly average precipitation in Thurmont, Maryland, United States §

Thurmont usually has the most precipitation in May, July and August, with an average of 13 rainy days and 128 mm (5.1 inches) of precipitation per month.The driest months in Thurmont are January, March and November. On average, 80 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Thurmont, Maryland, 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) 61 (2.4) 95 (3.7) 90 (3.6) 100 (3.9) 134 (5.3) 111 (4.4) 138 (5.4) 114 (4.5) 107 (4.2) 99 (3.9) 88 (3.5) 94 (3.7)
Average precipitation days (≥ 1 mm) 8 11 10 12 14 12 12 14 9 9 7 9

Monthly sunshine hours in Thurmont, Maryland, United States §

The sunniest months in Thurmont are June, July and August, when the sun shines an average of 10 hours 32 minutes a day.Least sunny months in Thurmont: January, February and December receive an average of 5 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Thurmont, Maryland, 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 136 171 249 244 262 312 347 309 271 233 216 180
Mean daily daylight hours 9h 44m 10h 43m 11h 58m 13h 15m 14h 21m 14h 53m 14h 35m 13h 37m 12h 23m 11h 6m 9h 59m 9h 25m

Solar UV radiation in Thurmont, Maryland, United States §

Thurmont experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High 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 4. For more detailed information, check out our hourly Thurmont UV Index data.

Average daily maximum UV levels by month for Thurmont, Maryland, 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) 3 5 7 9 10 10 10 9 8 7 4 3