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Monthly climate in Mammoth, Arizona, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Mammoth features a cold semi-arid climate (BSk). Temperatures typically range between 10 °C (49 °F) and 30 °C (85 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 43 °C (109 °F). The average annual precipitation amounts to about 413 mm (16.3 inches) and receives 53 rainy days on the 1 mm (0.04 inches) threshold annually. Mammoth enjoys an average of 3631 hours of sunshine throughout the year, and daylight varies from 10 hours 1 minutes to 14 hours 15 minutes per day.

Monthly average temperatures in Mammoth, Arizona, United States §

The warmest months in Mammoth are June, July and August, with daily mean temperatures ranging from 29 to 30 °C (84 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 11 °C (49 - 51 °F) throughout the day. On average each year, Mammoth experiences 183 days above 25 °C (77.0 °F) and 8 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mammoth, 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
(74°F)		 26°C
(80°F)		 31°C
(88°F)		 36°C
(96°F)		 38°C
(101°F)		 43°C
(109°F)		 42°C
(107°F)		 41°C
(107°F)		 40°C
(105°F)		 36°C
(97°F)		 31°C
(88°F)		 25°C
(78°F)
Mean maximum 22°C
(72°F)		 24°C
(75°F)		 28°C
(83°F)		 33°C
(92°F)		 36°C
(97°F)		 39°C
(103°F)		 40°C
(105°F)		 39°C
(102°F)		 38°C
(100°F)		 33°C
(92°F)		 28°C
(83°F)		 23°C
(75°F)
Average high 16°C
(62°F)		 17°C
(64°F)		 21°C
(71°F)		 27°C
(80°F)		 30°C
(87°F)		 36°C
(97°F)		 35°C
(95°F)		 35°C
(95°F)		 33°C
(91°F)		 27°C
(82°F)		 23°C
(73°F)		 17°C
(62°F)
Daily mean 10°C
(49°F)		 11°C
(51°F)		 15°C
(58°F)		 20°C
(68°F)		 24°C
(75°F)		 30°C
(85°F)		 30°C
(85°F)		 29°C
(84°F)		 26°C
(80°F)		 21°C
(69°F)		 15°C
(60°F)		 10°C
(51°F)
Average low 4°C
(39°F)		 5°C
(40°F)		 8°C
(46°F)		 12°C
(53°F)		 15°C
(60°F)		 21°C
(71°F)		 24°C
(75°F)		 23°C
(74°F)		 20°C
(69°F)		 14°C
(57°F)		 9°C
(49°F)		 5°C
(41°F)
Mean minimum -2°C
(28°F)		 -2°C
(28°F)		 1°C
(35°F)		 6°C
(43°F)		 10°C
(50°F)		 16°C
(62°F)		 19°C
(67°F)		 19°C
(67°F)		 15°C
(60°F)		 7°C
(44°F)		 4°C
(40°F)		 -2°C
(29°F)
Minimum -5°C
(23°F)		 -5°C
(23°F)		 -1°C
(31°F)		 4°C
(40°F)		 8°C
(46°F)		 15°C
(59°F)		 19°C
(66°F)		 17°C
(63°F)		 12°C
(53°F)		 2°C
(37°F)		 2°C
(36°F)		 -3°C
(27°F)

Compare climate in Mammoth with other places

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

Monthly average precipitation in Mammoth, Arizona, United States §

Mammoth usually has the most precipitation in February, July and August, with an average of 9 rainy days and 63 mm (2.5 inches) of precipitation per month. The driest months in Mammoth are April, May and June. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mammoth, 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) 44 (1.7) 50 (2.0) 30 (1.2) 5 (0.2) 7 (0.3) 11 (0.4) 84 (3.3) 55 (2.2) 39 (1.5) 28 (1.1) 23 (0.9) 37 (1.5)
Average precipitation days (≥ 1 mm) 4 5 4 1 1 2 11 11 4 3 2 5

Monthly sunshine hours in Mammoth, Arizona, United States §

The sunniest months in Mammoth are May, June and July, when the sun shines an average of 11 hours 56 minutes a day. Least sunny months in Mammoth: January, February and December receive an average of 7 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mammoth, 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 201 238 303 332 371 371 356 340 314 299 261 240
Mean daily daylight hours 10h 15m 11h 1m 12h 0m 13h 0m 13h 50m 14h 15m 14h 1m 13h 17m 12h 19m 11h 19m 10h 27m 10h 1m

Solar UV radiation in Mammoth, Arizona, United States §

Mammoth 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, 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 Mammoth UV Index data.

Average daily maximum UV levels by month for Mammoth, 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 9 11 12 12 12 11 11 8 6 4

Detailed Monthly Weather Insights for Mammoth, Arizona, United States

Discover in-depth weather details for every month in Mammoth. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Mammoth's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.