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Monthly climate in Tonto Basin, Arizona, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Tonto Basin features a cold semi-arid climate (BSk).Temperatures typically range between 8 °C (46 °F) and 29 °C (85 °F) through the year, but rarely can drop to -11 °C (13 °F) or can rise to as high as 43 °C (109 °F).The average annual precipitation amounts to about 458 mm (18.0 inches) and receives 60 rainy days on the 1 mm (0.04 inches) threshold annually.Tonto Basin enjoys an average of 3619 hours of sunshine throughout the year, and daylight varies from 9 hours 55 minutes to 14 hours 21 minutes per day.

Monthly average temperatures in Tonto Basin, Arizona, United States §

The warmest months in Tonto Basin are June, July and August, with daily mean temperatures ranging from 28 to 29 °C (83 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 9 °C (46 - 48 °F) throughout the day. On average each year, Tonto Basin experiences 167 days above 25 °C (77.0 °F) and 24 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tonto Basin, 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 23°C
(73°F)		 24°C
(76°F)		 30°C
(86°F)		 34°C
(94°F)		 38°C
(101°F)		 43°C
(109°F)		 42°C
(108°F)		 41°C
(107°F)		 40°C
(104°F)		 36°C
(97°F)		 31°C
(87°F)		 24°C
(76°F)
Mean maximum 21°C
(69°F)		 23°C
(73°F)		 27°C
(80°F)		 31°C
(89°F)		 35°C
(95°F)		 38°C
(101°F)		 40°C
(104°F)		 39°C
(103°F)		 38°C
(100°F)		 32°C
(90°F)		 27°C
(81°F)		 22°C
(72°F)
Average high 15°C
(59°F)		 16°C
(61°F)		 20°C
(67°F)		 25°C
(77°F)		 29°C
(84°F)		 35°C
(95°F)		 35°C
(95°F)		 35°C
(95°F)		 32°C
(91°F)		 26°C
(79°F)		 22°C
(71°F)		 15°C
(60°F)
Daily mean 8°C
(46°F)		 9°C
(48°F)		 12°C
(55°F)		 18°C
(65°F)		 22°C
(72°F)		 28°C
(83°F)		 29°C
(85°F)		 29°C
(84°F)		 26°C
(79°F)		 19°C
(66°F)		 14°C
(57°F)		 8°C
(47°F)
Average low 2°C
(35°F)		 2°C
(36°F)		 5°C
(41°F)		 9°C
(49°F)		 13°C
(56°F)		 19°C
(67°F)		 23°C
(73°F)		 22°C
(72°F)		 18°C
(65°F)		 11°C
(53°F)		 6°C
(44°F)		 2°C
(36°F)
Mean minimum -4°C
(24°F)		 -4°C
(25°F)		 -1°C
(31°F)		 3°C
(38°F)		 7°C
(44°F)		 13°C
(55°F)		 18°C
(65°F)		 17°C
(63°F)		 13°C
(55°F)		 5°C
(41°F)		 1°C
(35°F)		 -3°C
(27°F)
Minimum -11°C
(13°F)		 -7°C
(20°F)		 -3°C
(28°F)		 1°C
(35°F)		 5°C
(42°F)		 11°C
(52°F)		 18°C
(64°F)		 15°C
(59°F)		 8°C
(46°F)		 0°C
(33°F)		 -1°C
(31°F)		 -4°C
(24°F)

Compare climate in Tonto Basin with other places

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

Monthly average precipitation in Tonto Basin, Arizona, United States §

Tonto Basin usually has the most precipitation in January, February and July, with an average of 8 rainy days and 67 mm (2.7 inches) of precipitation per month.The driest months in Tonto Basin 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 Tonto Basin, 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) 58 (2.3) 72 (2.8) 50 (2.0) 5 (0.2) 8 (0.3) 5 (0.2) 72 (2.8) 40 (1.6) 35 (1.4) 36 (1.4) 31 (1.2) 46 (1.8)
Average precipitation days (≥ 1 mm) 6 6 5 2 2 1 12 9 5 4 2 6

Monthly sunshine hours in Tonto Basin, Arizona, United States §

The sunniest months in Tonto Basin are May, June and July, when the sun shines an average of 11 hours 58 minutes a day.Least sunny months in Tonto Basin: January, February and December receive an average of 7 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tonto Basin, 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 192 235 304 331 372 371 357 342 315 298 259 238
Mean daily daylight hours 10h 10m 10h 58m 11h 59m 13h 2m 13h 55m 14h 21m 14h 7m 13h 20m 12h 19m 11h 17m 10h 23m 9h 55m

Solar UV radiation in Tonto Basin, Arizona, United States §

Tonto Basin experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure.January, February 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 Tonto Basin UV Index data.

Average daily maximum UV levels by month for Tonto Basin, 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) 4 6 9 11 12 12 12 11 10 8 6 4