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Monthly climate in Rio Rico, Arizona, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rio Rico features a cold semi-arid climate (BSk).Temperatures typically range between 10 °C (50 °F) and 28 °C (82 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 41 °C (107 °F).The average annual precipitation amounts to about 369 mm (14.5 inches) and receives 56 rainy days on the 1 mm (0.04 inches) threshold annually.Rio Rico enjoys an average of 3631 hours of sunshine throughout the year, and daylight varies from 10 hours 6 minutes to 14 hours 9 minutes per day.

Monthly average temperatures in Rio Rico, Arizona, United States §

The warmest months in Rio Rico are June, July and August, with daily mean temperatures ranging from 26 to 28 °C (79 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 10 °C (50 - 51 °F) throughout the day. On average each year, Rio Rico experiences 181 days above 25 °C (77.0 °F) and 11 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rio Rico, 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
(82°F)		 30°C
(85°F)		 34°C
(94°F)		 36°C
(98°F)		 41°C
(107°F)		 41°C
(105°F)		 39°C
(102°F)		 37°C
(98°F)		 35°C
(96°F)		 30°C
(87°F)		 24°C
(76°F)
Mean maximum 24°C
(75°F)		 24°C
(76°F)		 27°C
(81°F)		 32°C
(91°F)		 34°C
(94°F)		 38°C
(101°F)		 39°C
(102°F)		 36°C
(98°F)		 35°C
(96°F)		 32°C
(89°F)		 28°C
(83°F)		 24°C
(75°F)
Average high 17°C
(63°F)		 18°C
(64°F)		 21°C
(70°F)		 26°C
(79°F)		 29°C
(85°F)		 35°C
(95°F)		 33°C
(91°F)		 32°C
(91°F)		 31°C
(88°F)		 27°C
(81°F)		 23°C
(73°F)		 17°C
(63°F)
Daily mean 10°C
(50°F)		 10°C
(51°F)		 14°C
(57°F)		 19°C
(66°F)		 22°C
(72°F)		 28°C
(82°F)		 27°C
(81°F)		 26°C
(79°F)		 25°C
(76°F)		 20°C
(68°F)		 15°C
(60°F)		 10°C
(50°F)
Average low 4°C
(39°F)		 4°C
(40°F)		 7°C
(45°F)		 11°C
(51°F)		 13°C
(57°F)		 19°C
(67°F)		 21°C
(71°F)		 21°C
(69°F)		 19°C
(66°F)		 13°C
(56°F)		 9°C
(48°F)		 4°C
(40°F)
Mean minimum -3°C
(27°F)		 -3°C
(27°F)		 0°C
(33°F)		 4°C
(40°F)		 8°C
(46°F)		 14°C
(57°F)		 18°C
(64°F)		 18°C
(64°F)		 14°C
(57°F)		 5°C
(42°F)		 4°C
(39°F)		 -2°C
(28°F)
Minimum -5°C
(23°F)		 -8°C
(18°F)		 -1°C
(30°F)		 2°C
(36°F)		 5°C
(41°F)		 13°C
(55°F)		 17°C
(63°F)		 16°C
(61°F)		 10°C
(51°F)		 -0°C
(31°F)		 1°C
(33°F)		 -4°C
(25°F)

Compare climate in Rio Rico with other places

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

Monthly average precipitation in Rio Rico, Arizona, United States §

Rio Rico usually has the most precipitation in July, August and September, with an average of 11 rainy days and 71 mm (2.8 inches) of precipitation per month.The driest months in Rio Rico are April, May and June. On average, 6 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rio Rico, 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) 27 (1.1) 35 (1.4) 20 (0.8) 4 (0.2) 3 (0.1) 10 (0.4) 98 (3.9) 76 (3.0) 40 (1.6) 11 (0.4) 21 (0.8) 24 (0.9)
Average precipitation days (≥ 1 mm) 3 4 3 1 1 2 16 12 6 2 2 4

Monthly sunshine hours in Rio Rico, Arizona, United States §

The sunniest months in Rio Rico are May, June and July, when the sun shines an average of 11 hours 51 minutes a day.Least sunny months in Rio Rico: 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 Rio Rico, 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 20m 11h 4m 12h 0m 12h 58m 13h 46m 14h 9m 13h 56m 13h 14m 12h 18m 11h 21m 10h 31m 10h 6m

Solar UV radiation in Rio Rico, Arizona, United States §

Rio Rico 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 Rio Rico UV Index data.

Average daily maximum UV levels by month for Rio Rico, 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