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Monthly climate in Georgetown, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Georgetown features a hot-summer Mediterranean climate (Csa).Temperatures typically range between 5 °C (42 °F) and 24 °C (76 °F) through the year, but rarely can drop to -8 °C (19 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 1417 mm (55.8 inches) and receives 80 rainy days on the 1 mm (0.04 inches) threshold annually.Georgetown enjoys an average of 3441 hours of sunshine throughout the year, and daylight varies from 9 hours 28 minutes to 14 hours 50 minutes per day.

Monthly average temperatures in Georgetown, California, United States §

The warmest months in Georgetown are June, July and August, with daily mean temperatures ranging from 20 to 24 °C (69 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 6 °C (42 - 43 °F) throughout the day. On average each year, Georgetown experiences 105 days above 25 °C (77.0 °F) and 40 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Georgetown, California, 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
(68°F)		 22°C
(72°F)		 25°C
(78°F)		 28°C
(83°F)		 32°C
(90°F)		 38°C
(101°F)		 39°C
(102°F)		 38°C
(101°F)		 39°C
(103°F)		 33°C
(92°F)		 26°C
(79°F)		 21°C
(71°F)
Mean maximum 17°C
(63°F)		 19°C
(67°F)		 22°C
(72°F)		 26°C
(79°F)		 30°C
(86°F)		 34°C
(94°F)		 36°C
(98°F)		 36°C
(98°F)		 36°C
(97°F)		 29°C
(84°F)		 23°C
(75°F)		 18°C
(64°F)
Average high 11°C
(51°F)		 12°C
(54°F)		 13°C
(56°F)		 17°C
(64°F)		 21°C
(71°F)		 27°C
(81°F)		 32°C
(90°F)		 31°C
(89°F)		 28°C
(82°F)		 22°C
(72°F)		 16°C
(61°F)		 11°C
(52°F)
Daily mean 6°C
(42°F)		 6°C
(43°F)		 7°C
(45°F)		 11°C
(52°F)		 15°C
(59°F)		 20°C
(69°F)		 24°C
(76°F)		 24°C
(75°F)		 20°C
(68°F)		 14°C
(58°F)		 9°C
(49°F)		 5°C
(42°F)
Average low 2°C
(36°F)		 1°C
(34°F)		 2°C
(37°F)		 5°C
(41°F)		 8°C
(47°F)		 13°C
(55°F)		 16°C
(61°F)		 16°C
(61°F)		 13°C
(55°F)		 7°C
(45°F)		 4°C
(40°F)		 1°C
(35°F)
Mean minimum -4°C
(25°F)		 -6°C
(22°F)		 -4°C
(25°F)		 -2°C
(29°F)		 2°C
(37°F)		 6°C
(43°F)		 12°C
(54°F)		 11°C
(53°F)		 7°C
(44°F)		 2°C
(36°F)		 -2°C
(29°F)		 -3°C
(26°F)
Minimum -7°C
(20°F)		 -8°C
(19°F)		 -6°C
(22°F)		 -4°C
(25°F)		 -0°C
(31°F)		 4°C
(39°F)		 10°C
(50°F)		 10°C
(51°F)		 4°C
(39°F)		 0°C
(33°F)		 -4°C
(24°F)		 -5°C
(24°F)

Compare climate in Georgetown with other places

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

Monthly average precipitation in Georgetown, California, United States §

Georgetown usually has the most precipitation in January, February and March, with an average of 12 rainy days and 256 mm (10.1 inches) of precipitation per month.The driest months in Georgetown are June, July and August. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Georgetown, California, 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) 253 (9.9) 254 (10.0) 262 (10.3) 126 (5.0) 78 (3.1) 14 (0.6) 2 (0.1) 4 (0.1) 20 (0.8) 69 (2.7) 143 (5.6) 194 (7.6)
Average precipitation days (≥ 1 mm) 11 10 15 8 8 3 0 1 3 3 7 11

Monthly sunshine hours in Georgetown, California, United States §

The sunniest months in Georgetown are June, July and August, when the sun shines an average of 12 hours 31 minutes a day.Least sunny months in Georgetown: January, February and December receive an average of 5 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Georgetown, California, 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 146 205 254 302 359 389 398 365 320 286 221 190
Mean daily daylight hours 9h 46m 10h 45m 11h 59m 13h 15m 14h 18m 14h 50m 14h 32m 13h 35m 12h 22m 11h 7m 10h 1m 9h 28m

Solar UV radiation in Georgetown, California, United States §

Georgetown experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 12, which corresponds to the 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 4. For more detailed information, check out our hourly Georgetown UV Index data.

Average daily maximum UV levels by month for Georgetown, California, 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 8 9 11 12 11 10 9 7 4 3