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Monthly climate in Douglas, Arizona, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Douglas features a cold semi-arid climate (BSk).Temperatures typically range between 9 °C (49 °F) and 29 °C (84 °F) through the year, but rarely can drop to -6 °C (21 °F) or can rise to as high as 42 °C (107 °F).The average annual precipitation amounts to about 324 mm (12.8 inches) and receives 50 rainy days on the 1 mm (0.04 inches) threshold annually.Douglas enjoys an average of 3632 hours of sunshine throughout the year, and daylight varies from 10 hours 7 minutes to 14 hours 8 minutes per day.

Monthly average temperatures in Douglas, Arizona, United States §

The warmest months in Douglas are June, July and August, with daily mean temperatures ranging from 27 to 29 °C (81 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 11 °C (49 - 52 °F) throughout the day. On average each year, Douglas experiences 194 days above 25 °C (77.0 °F) and 17 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Douglas, Arizona, 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 25°C
(77°F)		 29°C
(85°F)		 31°C
(87°F)		 35°C
(95°F)		 38°C
(100°F)		 42°C
(107°F)		 42°C
(107°F)		 40°C
(104°F)		 37°C
(100°F)		 34°C
(94°F)		 31°C
(88°F)		 24°C
(75°F)
Mean maximum 23°C
(74°F)		 25°C
(77°F)		 29°C
(85°F)		 33°C
(92°F)		 36°C
(97°F)		 40°C
(103°F)		 40°C
(104°F)		 38°C
(101°F)		 36°C
(97°F)		 33°C
(91°F)		 28°C
(83°F)		 23°C
(73°F)
Average high 17°C
(63°F)		 19°C
(66°F)		 23°C
(73°F)		 28°C
(82°F)		 31°C
(89°F)		 36°C
(98°F)		 35°C
(95°F)		 34°C
(93°F)		 32°C
(89°F)		 28°C
(82°F)		 23°C
(74°F)		 17°C
(63°F)
Daily mean 9°C
(49°F)		 11°C
(52°F)		 15°C
(59°F)		 20°C
(68°F)		 24°C
(75°F)		 29°C
(84°F)		 28°C
(83°F)		 27°C
(81°F)		 25°C
(77°F)		 20°C
(69°F)		 15°C
(59°F)		 10°C
(50°F)
Average low 3°C
(37°F)		 4°C
(39°F)		 7°C
(45°F)		 11°C
(52°F)		 15°C
(59°F)		 21°C
(69°F)		 22°C
(72°F)		 21°C
(71°F)		 19°C
(66°F)		 13°C
(56°F)		 8°C
(47°F)		 4°C
(39°F)
Mean minimum -4°C
(25°F)		 -3°C
(27°F)		 1°C
(34°F)		 5°C
(41°F)		 9°C
(48°F)		 16°C
(61°F)		 19°C
(66°F)		 19°C
(66°F)		 15°C
(59°F)		 5°C
(42°F)		 2°C
(37°F)		 -2°C
(29°F)
Minimum -5°C
(23°F)		 -6°C
(21°F)		 -1°C
(30°F)		 3°C
(38°F)		 7°C
(44°F)		 14°C
(57°F)		 18°C
(64°F)		 17°C
(63°F)		 12°C
(53°F)		 1°C
(33°F)		 -1°C
(31°F)		 -3°C
(26°F)

Compare climate in Douglas with other places

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

Monthly average precipitation in Douglas, Arizona, United States §

Douglas usually has the most precipitation in July, August and September, with an average of 9 rainy days and 52 mm (2.0 inches) of precipitation per month.The driest months in Douglas are April, May and June. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Douglas, Arizona, 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) 26 (1.0) 26 (1.0) 22 (0.9) 4 (0.1) 3 (0.1) 9 (0.3) 56 (2.2) 60 (2.4) 39 (1.5) 19 (0.7) 33 (1.3) 28 (1.1)
Average precipitation days (≥ 1 mm) 3 4 3 1 0 2 11 11 5 3 3 4

Monthly sunshine hours in Douglas, Arizona, United States §

The sunniest months in Douglas are May, June and July, when the sun shines an average of 11 hours 48 minutes a day.Least sunny months in Douglas: January, February and December receive an average of 7 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Douglas, Arizona, 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 206 248 300 335 372 366 347 330 306 303 263 250
Mean daily daylight hours 10h 21m 11h 4m 12h 0m 12h 57m 13h 45m 14h 8m 13h 55m 13h 13m 12h 18m 11h 21m 10h 32m 10h 7m

Solar UV radiation in Douglas, Arizona, United States §

Douglas experiences the highest level of ultraviolet (UV) radiation in April, June and August, when the maximum UV index can reach values of 12 - 13, 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 Douglas UV Index data.

Average daily maximum UV levels by month for Douglas, Arizona, 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) 5 8 10 12 12 13 12 12 11 9 6 5