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Monthly climate in Quincy, California, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Quincy features a warm-summer Mediterranean climate (Csb).Temperatures typically range between -1 °C (31 °F) and 23 °C (74 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1158 mm (45.6 inches) and receives 86 rainy days on the 1 mm (0.04 inches) threshold annually.Quincy enjoys an average of 3330 hours of sunshine throughout the year, and daylight varies from 9 hours 22 minutes to 14 hours 56 minutes per day.

Monthly average temperatures in Quincy, California, United States §

The warmest months in Quincy are June, July and August, with daily mean temperatures ranging from 18 to 23 °C (65 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 0 °C (31 - 33 °F) throughout the day. On average each year, Quincy experiences 88 days above 25 °C (77.0 °F) and 137 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Quincy, 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 13°C
(56°F)		 17°C
(63°F)		 19°C
(66°F)		 26°C
(79°F)		 29°C
(85°F)		 35°C
(96°F)		 37°C
(99°F)		 36°C
(97°F)		 37°C
(98°F)		 31°C
(88°F)		 24°C
(76°F)		 14°C
(58°F)
Mean maximum 11°C
(52°F)		 14°C
(57°F)		 17°C
(63°F)		 24°C
(76°F)		 28°C
(83°F)		 32°C
(89°F)		 35°C
(96°F)		 35°C
(95°F)		 33°C
(93°F)		 26°C
(79°F)		 20°C
(69°F)		 11°C
(53°F)
Average high 5°C
(42°F)		 7°C
(45°F)		 9°C
(48°F)		 14°C
(58°F)		 19°C
(67°F)		 26°C
(78°F)		 31°C
(88°F)		 30°C
(86°F)		 25°C
(78°F)		 19°C
(66°F)		 12°C
(53°F)		 5°C
(42°F)
Daily mean 0°C
(33°F)		 0°C
(33°F)		 2°C
(37°F)		 7°C
(45°F)		 12°C
(54°F)		 18°C
(65°F)		 23°C
(74°F)		 22°C
(72°F)		 17°C
(63°F)		 10°C
(50°F)		 4°C
(40°F)		 -1°C
(31°F)
Average low -4°C
(25°F)		 -5°C
(23°F)		 -3°C
(26°F)		 0°C
(32°F)		 5°C
(41°F)		 10°C
(50°F)		 14°C
(57°F)		 13°C
(55°F)		 8°C
(47°F)		 2°C
(36°F)		 -1°C
(30°F)		 -6°C
(22°F)
Mean minimum -14°C
(7°F)		 -14°C
(8°F)		 -11°C
(12°F)		 -9°C
(16°F)		 -2°C
(29°F)		 2°C
(36°F)		 9°C
(48°F)		 8°C
(47°F)		 2°C
(35°F)		 -3°C
(27°F)		 -7°C
(20°F)		 -13°C
(9°F)
Minimum -19°C
(-2°F)		 -15°C
(5°F)		 -17°C
(1°F)		 -14°C
(6°F)		 -5°C
(24°F)		 -2°C
(29°F)		 6°C
(44°F)		 7°C
(45°F)		 -1°C
(30°F)		 -4°C
(25°F)		 -9°C
(15°F)		 -16°C
(4°F)

Compare climate in Quincy with other places

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

Monthly average precipitation in Quincy, California, United States §

Quincy usually has the most precipitation in January, February and March, with an average of 12 rainy days and 209 mm (8.2 inches) of precipitation per month.The driest months in Quincy are June, July and August. On average, 9 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Quincy, 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) 206 (8.1) 228 (9.0) 193 (7.6) 97 (3.8) 65 (2.6) 13 (0.5) 5 (0.2) 8 (0.3) 24 (1.0) 52 (2.0) 100 (3.9) 167 (6.6)
Average precipitation days (≥ 1 mm) 11 11 15 10 9 3 1 1 3 4 7 11

Monthly sunshine hours in Quincy, California, United States §

The sunniest months in Quincy are June, July and August, when the sun shines an average of 12 hours 29 minutes a day.Least sunny months in Quincy: January, February and December receive an average of 5 hours 29 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Quincy, 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 129 194 239 288 349 387 399 362 317 280 207 176
Mean daily daylight hours 9h 41m 10h 41m 11h 58m 13h 17m 14h 24m 14h 56m 14h 38m 13h 39m 12h 23m 11h 5m 9h 56m 9h 22m

Solar UV radiation in Quincy, California, United States §

Quincy experiences the highest level of ultraviolet (UV) radiation in May, June and August, 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 Quincy UV Index data.

Average daily maximum UV levels by month for Quincy, 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 11 9 7 4 3