Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Santa Catarina features a humid subtropical climate (Cwa). Temperatures typically range between 15 °C (60 °F) and 25 °C (77 °F) through the year, but rarely can drop to 1 °C (33 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 943 mm (37.1 inches) and receives 154 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Catarina enjoys an average of 3383 hours of sunshine throughout the year, and daylight varies from 10 hours 48 minutes to 13 hours 25 minutes per day.
The warmest months in Santa Catarina are May, June and August, with daily mean temperatures ranging from 25 to 25 °C (77 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 15 to 18 °C (60 - 64 °F) throughout the day. On average each year, Santa Catarina experiences 233 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 34°C (94°F) |
36°C (97°F) |
39°C (102°F) |
40°C (104°F) |
40°C (103°F) |
38°C (100°F) |
36°C (97°F) |
36°C (98°F) |
37°C (99°F) |
33°C (92°F) |
33°C (92°F) |
32°C (90°F) |
| Mean maximum | 31°C (88°F) |
33°C (92°F) |
37°C (98°F) |
39°C (102°F) |
37°C (100°F) |
35°C (96°F) |
33°C (92°F) |
34°C (93°F) |
34°C (94°F) |
33°C (91°F) |
31°C (87°F) |
31°C (87°F) |
| Average high | 21°C (71°F) |
24°C (76°F) |
27°C (80°F) |
30°C (86°F) |
31°C (88°F) |
30°C (86°F) |
30°C (86°F) |
30°C (86°F) |
29°C (84°F) |
27°C (80°F) |
24°C (76°F) |
23°C (74°F) |
| Daily mean | 15°C (60°F) |
18°C (64°F) |
20°C (68°F) |
23°C (74°F) |
25°C (77°F) |
25°C (77°F) |
24°C (76°F) |
25°C (77°F) |
23°C (75°F) |
21°C (71°F) |
18°C (65°F) |
16°C (61°F) |
| Average low | 11°C (52°F) |
13°C (55°F) |
15°C (59°F) |
17°C (64°F) |
20°C (68°F) |
20°C (69°F) |
20°C (68°F) |
20°C (69°F) |
20°C (68°F) |
17°C (63°F) |
14°C (57°F) |
11°C (52°F) |
| Mean minimum | 5°C (41°F) |
5°C (42°F) |
9°C (49°F) |
12°C (55°F) |
16°C (61°F) |
19°C (66°F) |
18°C (65°F) |
18°C (65°F) |
17°C (62°F) |
11°C (53°F) |
7°C (45°F) |
4°C (40°F) |
| Minimum | 3°C (38°F) |
3°C (37°F) |
4°C (39°F) |
10°C (51°F) |
12°C (54°F) |
17°C (63°F) |
17°C (63°F) |
17°C (62°F) |
15°C (59°F) |
9°C (49°F) |
1°C (33°F) |
1°C (35°F) |
Compare temperature, precipitation, sunshine, UV index in Santa Catarina, San Luis Potosí, Mexico with other places around the world.
Santa Catarina usually has the most precipitation in June, September and October, with an average of 19 rainy days and 154 mm (6.1 inches) of precipitation per month. The driest months in Santa Catarina are January, February and December. On average, 23 mm (0.9 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 26 (1.0) | 26 (1.0) | 41 (1.6) | 40 (1.6) | 84 (3.3) | 139 (5.5) | 118 (4.6) | 96 (3.8) | 157 (6.2) | 166 (6.5) | 34 (1.3) | 17 (0.7) |
| Average precipitation days (≥ 1 mm) | 6 | 7 | 9 | 8 | 17 | 21 | 20 | 18 | 21 | 16 | 7 | 4 |
The sunniest months in Santa Catarina are May, July and August, when the sun shines an average of 10 hours 25 minutes a day. Least sunny months in Santa Catarina: January, February and November receive an average of 7 hours 44 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 203 | 245 | 290 | 293 | 321 | 310 | 324 | 322 | 284 | 270 | 248 | 267 |
| Mean daily daylight hours | 10h 57m | 11h 25m | 12h 1m | 12h 39m | 13h 10m | 13h 25m | 13h 17m | 12h 49m | 12h 13m | 11h 36m | 11h 4m | 10h 48m |
Santa Catarina experiences the highest level of ultraviolet (UV) radiation in April, July and September, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Santa Catarina UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 8 | 10 | 13 | 14 | 13 | 13 | 14 | 13 | 13 | 11 | 9 | 7 |
Discover in-depth weather details for every month in Santa Catarina. 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 Santa Catarina'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.