nomadseason

Monthly climate in Catalina, Arizona, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Catalina features a cold semi-arid climate (BSk). Temperatures typically range between 10 °C (51 °F) and 30 °C (86 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 43 °C (110 °F). The average annual precipitation amounts to about 370 mm (14.6 inches) and receives 54 rainy days on the 1 mm (0.04 inches) threshold annually. Catalina enjoys an average of 3632 hours of sunshine throughout the year, and daylight varies from 10 hours 2 minutes to 14 hours 14 minutes per day.

Monthly average temperatures in Catalina, Arizona, United States §

The warmest months in Catalina are June, July and August, with daily mean temperatures ranging from 29 to 30 °C (85 - 86 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 12 °C (51 - 53 °F) throughout the day. On average each year, Catalina experiences 190 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Catalina, 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 24°C
(75°F)		 27°C
(80°F)		 31°C
(89°F)		 35°C
(96°F)		 39°C
(102°F)		 43°C
(110°F)		 42°C
(108°F)		 41°C
(107°F)		 40°C
(105°F)		 37°C
(98°F)		 32°C
(89°F)		 25°C
(78°F)
Mean maximum 22°C
(73°F)		 24°C
(76°F)		 28°C
(83°F)		 33°C
(92°F)		 36°C
(97°F)		 39°C
(103°F)		 40°C
(105°F)		 39°C
(103°F)		 38°C
(101°F)		 34°C
(93°F)		 29°C
(84°F)		 24°C
(75°F)
Average high 17°C
(62°F)		 18°C
(64°F)		 22°C
(71°F)		 27°C
(81°F)		 31°C
(87°F)		 36°C
(97°F)		 35°C
(95°F)		 35°C
(95°F)		 33°C
(92°F)		 28°C
(83°F)		 23°C
(74°F)		 17°C
(63°F)
Daily mean 10°C
(51°F)		 12°C
(53°F)		 15°C
(60°F)		 21°C
(69°F)		 24°C
(76°F)		 30°C
(86°F)		 30°C
(86°F)		 29°C
(85°F)		 27°C
(81°F)		 22°C
(71°F)		 17°C
(62°F)		 11°C
(52°F)
Average low 5°C
(42°F)		 6°C
(43°F)		 9°C
(49°F)		 13°C
(56°F)		 17°C
(62°F)		 22°C
(73°F)		 25°C
(76°F)		 24°C
(75°F)		 22°C
(71°F)		 15°C
(60°F)		 11°C
(52°F)		 6°C
(43°F)
Mean minimum -1°C
(30°F)		 -1°C
(31°F)		 3°C
(37°F)		 7°C
(45°F)		 11°C
(51°F)		 18°C
(64°F)		 20°C
(69°F)		 21°C
(70°F)		 17°C
(62°F)		 8°C
(46°F)		 5°C
(42°F)		 -1°C
(31°F)
Minimum -2°C
(28°F)		 -3°C
(27°F)		 0°C
(33°F)		 5°C
(42°F)		 9°C
(48°F)		 16°C
(61°F)		 19°C
(67°F)		 20°C
(67°F)		 12°C
(55°F)		 3°C
(37°F)		 3°C
(37°F)		 -2°C
(28°F)

Compare climate in Catalina with other places

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

Monthly average precipitation in Catalina, Arizona, United States §

Catalina usually has the most precipitation in February, July and August, with an average of 10 rainy days and 67 mm (2.6 inches) of precipitation per month. The driest months in Catalina 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 Catalina, 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) 34 (1.3) 42 (1.7) 22 (0.9) 3 (0.1) 5 (0.2) 9 (0.3) 96 (3.8) 63 (2.5) 34 (1.3) 12 (0.5) 21 (0.8) 31 (1.2)
Average precipitation days (≥ 1 mm) 4 5 4 1 2 0 13 13 4 3 1 4

Monthly sunshine hours in Catalina, Arizona, United States §

The sunniest months in Catalina are May, June and July, when the sun shines an average of 11 hours 54 minutes a day. Least sunny months in Catalina: January, February and December receive an average of 7 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Catalina, 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 203 241 304 332 370 370 353 339 312 299 261 242
Mean daily daylight hours 10h 16m 11h 1m 12h 0m 12h 59m 13h 49m 14h 14m 14h 0m 13h 16m 12h 18m 11h 19m 10h 28m 10h 2m

Solar UV radiation in Catalina, Arizona, United States §

Catalina 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 Catalina UV Index data.

Average daily maximum UV levels by month for Catalina, 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 Catalina, Arizona, United States

Discover in-depth weather details for every month in Catalina. 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 Catalina'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.