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Monthly climate in Arivaca Junction, Arizona, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Arivaca Junction features a cold semi-arid climate (BSk).Temperatures typically range between 10 °C (51 °F) and 29 °C (84 °F) through the year, but rarely can drop to -5 °C (24 °F) or can rise to as high as 42 °C (108 °F).The average annual precipitation amounts to about 307 mm (12.1 inches) and receives 51 rainy days on the 1 mm (0.04 inches) threshold annually.Arivaca Junction enjoys an average of 3631 hours of sunshine throughout the year, and daylight varies from 10 hours 5 minutes to 14 hours 11 minutes per day.

Monthly average temperatures in Arivaca Junction, Arizona, United States §

The warmest months in Arivaca Junction are June, July and August, with daily mean temperatures ranging from 28 to 29 °C (82 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 11 °C (51 - 53 °F) throughout the day. On average each year, Arivaca Junction experiences 191 days above 25 °C (77.0 °F) and 7 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Arivaca Junction, 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)		 28°C
(83°F)		 31°C
(88°F)		 35°C
(96°F)		 38°C
(101°F)		 42°C
(108°F)		 42°C
(107°F)		 40°C
(105°F)		 38°C
(101°F)		 36°C
(97°F)		 31°C
(88°F)		 25°C
(78°F)
Mean maximum 24°C
(75°F)		 25°C
(77°F)		 29°C
(84°F)		 33°C
(92°F)		 35°C
(96°F)		 39°C
(103°F)		 40°C
(104°F)		 38°C
(101°F)		 37°C
(99°F)		 33°C
(91°F)		 29°C
(84°F)		 24°C
(76°F)
Average high 18°C
(64°F)		 18°C
(65°F)		 22°C
(72°F)		 27°C
(81°F)		 30°C
(87°F)		 36°C
(97°F)		 34°C
(94°F)		 34°C
(93°F)		 32°C
(90°F)		 28°C
(83°F)		 24°C
(75°F)		 18°C
(64°F)
Daily mean 10°C
(51°F)		 11°C
(53°F)		 15°C
(59°F)		 20°C
(68°F)		 23°C
(74°F)		 29°C
(84°F)		 28°C
(83°F)		 28°C
(82°F)		 26°C
(79°F)		 21°C
(70°F)		 16°C
(61°F)		 11°C
(52°F)
Average low 4°C
(40°F)		 5°C
(41°F)		 8°C
(46°F)		 12°C
(53°F)		 15°C
(59°F)		 20°C
(69°F)		 23°C
(74°F)		 22°C
(72°F)		 20°C
(68°F)		 14°C
(57°F)		 9°C
(49°F)		 5°C
(41°F)
Mean minimum -2°C
(28°F)		 -2°C
(29°F)		 2°C
(35°F)		 6°C
(42°F)		 9°C
(49°F)		 15°C
(60°F)		 19°C
(66°F)		 19°C
(66°F)		 15°C
(59°F)		 7°C
(44°F)		 4°C
(40°F)		 -2°C
(29°F)
Minimum -3°C
(26°F)		 -5°C
(24°F)		 0°C
(32°F)		 3°C
(38°F)		 6°C
(44°F)		 14°C
(57°F)		 18°C
(65°F)		 18°C
(64°F)		 11°C
(52°F)		 0°C
(33°F)		 1°C
(35°F)		 -3°C
(26°F)

Compare climate in Arivaca Junction with other places

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

Monthly average precipitation in Arivaca Junction, Arizona, United States §

Arivaca Junction usually has the most precipitation in July, August and September, with an average of 10 rainy days and 58 mm (2.3 inches) of precipitation per month.The driest months in Arivaca Junction 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 Arivaca Junction, 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) 22 (0.9) 31 (1.2) 16 (0.6) 4 (0.2) 4 (0.1) 9 (0.3) 74 (2.9) 62 (2.4) 37 (1.5) 11 (0.4) 15 (0.6) 22 (0.9)
Average precipitation days (≥ 1 mm) 3 4 3 1 1 1 15 11 5 2 2 3

Monthly sunshine hours in Arivaca Junction, Arizona, United States §

The sunniest months in Arivaca Junction are May, June and July, when the sun shines an average of 11 hours 51 minutes a day.Least sunny months in Arivaca Junction: January, February and December receive an average of 7 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Arivaca Junction, 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 205 243 302 333 371 369 349 335 310 302 263 244
Mean daily daylight hours 10h 19m 11h 3m 12h 0m 12h 58m 13h 47m 14h 11m 13h 57m 13h 14m 12h 18m 11h 20m 10h 30m 10h 5m

Solar UV radiation in Arivaca Junction, Arizona, United States §

Arivaca Junction 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 Arivaca Junction UV Index data.

Average daily maximum UV levels by month for Arivaca Junction, 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 7 10 12 12 13 12 12 11 9 6 5