Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Catalina Foothills features a hot semi-arid climate (BSh). Temperatures typically range between 11 °C (53 °F) and 31 °C (88 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 44 °C (111 °F). The average annual precipitation amounts to about 251 mm (9.9 inches) and receives 39 rainy days on the 1 mm (0.04 inches) threshold annually. Catalina Foothills enjoys an average of 3632 hours of sunshine throughout the year, and daylight varies from 10 hours 3 minutes to 14 hours 12 minutes per day.
The warmest months in Catalina Foothills are June, July and August, with daily mean temperatures ranging from 31 to 31 °C (87 - 88 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 11 to 13 °C (53 - 55 °F) throughout the day. On average each year, Catalina Foothills experiences 203 days above 25 °C (77.0 °F) and 3 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 25°C (77°F) |
29°C (84°F) |
33°C (92°F) |
37°C (98°F) |
40°C (104°F) |
44°C (111°F) |
43°C (110°F) |
42°C (108°F) |
41°C (106°F) |
38°C (100°F) |
33°C (91°F) |
27°C (80°F) |
| Mean maximum | 24°C (75°F) |
26°C (79°F) |
30°C (86°F) |
35°C (95°F) |
37°C (99°F) |
41°C (105°F) |
41°C (107°F) |
40°C (105°F) |
39°C (103°F) |
35°C (95°F) |
30°C (86°F) |
25°C (77°F) |
| Average high | 18°C (65°F) |
19°C (67°F) |
23°C (74°F) |
28°C (83°F) |
32°C (90°F) |
37°C (100°F) |
36°C (98°F) |
36°C (98°F) |
34°C (94°F) |
29°C (85°F) |
25°C (76°F) |
18°C (65°F) |
| Daily mean | 11°C (53°F) |
13°C (55°F) |
16°C (62°F) |
22°C (71°F) |
25°C (78°F) |
31°C (88°F) |
31°C (88°F) |
31°C (87°F) |
28°C (83°F) |
23°C (73°F) |
17°C (64°F) |
12°C (54°F) |
| Average low | 6°C (42°F) |
6°C (44°F) |
10°C (50°F) |
14°C (57°F) |
17°C (63°F) |
23°C (73°F) |
26°C (78°F) |
25°C (78°F) |
22°C (73°F) |
16°C (61°F) |
11°C (52°F) |
6°C (44°F) |
| Mean minimum | -0°C (31°F) |
-0°C (32°F) |
3°C (38°F) |
8°C (47°F) |
11°C (53°F) |
18°C (65°F) |
21°C (70°F) |
22°C (72°F) |
17°C (63°F) |
8°C (47°F) |
6°C (43°F) |
-0°C (31°F) |
| Minimum | -1°C (30°F) |
-3°C (27°F) |
1°C (33°F) |
6°C (43°F) |
9°C (48°F) |
17°C (62°F) |
20°C (69°F) |
20°C (69°F) |
13°C (56°F) |
4°C (39°F) |
2°C (36°F) |
-2°C (29°F) |
Compare temperature, precipitation, sunshine, UV index in Catalina Foothills, Arizona, United States with other places around the world.
Catalina Foothills usually has the most precipitation in February, July and August, with an average of 7 rainy days and 41 mm (1.6 inches) of precipitation per month. The driest months in Catalina Foothills are April, May and June. On average, 4 mm (0.2 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 23 (0.9) | 34 (1.3) | 15 (0.6) | 2 (0.1) | 3 (0.1) | 8 (0.3) | 54 (2.1) | 35 (1.4) | 27 (1.1) | 10 (0.4) | 14 (0.6) | 27 (1.0) |
| Average precipitation days (≥ 1 mm) | 3 | 4 | 3 | 0 | 1 | 0 | 10 | 8 | 3 | 2 | 1 | 4 |
The sunniest months in Catalina Foothills are May, June and July, when the sun shines an average of 11 hours 54 minutes a day. Least sunny months in Catalina Foothills: January, February and December receive an average of 7 hours 33 minutes of sunshine daily.
| 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 17m | 11h 2m | 12h 0m | 12h 59m | 13h 48m | 14h 12m | 13h 59m | 13h 15m | 12h 18m | 11h 20m | 10h 29m | 10h 3m |
Catalina Foothills 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 Foothills UV Index data.
| 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 |
Discover in-depth weather details for every month in Catalina Foothills. 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 Foothills'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.