Santa Catarina climate

Santa Catarina is warmest in August, with average highs of 32 °C, and coldest in January, when nights average 9.4 °C. September is the wettest month (122 mm) and December the driest (26 mm). Figures are 1991–2020 climate normals.

Across a full year Santa Catarina averages 569 mm of rain, 230 days above 25 °C and 1 days below freezing.

Mexico · population 304,052 · 1991–2020 normals

  1. Jan 14°
  2. Feb 16°
  3. Mar 19°
  4. Apr 22°
  5. May 25°
  6. Jun 26°
  7. Jul 26°
  8. Aug 27°
  9. Sep 24°
  10. Oct 21°
  11. Nov 17°
  12. Dec 14°

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

What to expectSanta Catarina through the year

Santa Catarina has a clear annual cycle: average daily highs run from 20 °C in January to 32 °C in August, a swing of 13 °C in mean temperature across the year.

Counted across a normal year, 230 days a year reach 25 °C, 116 of them reach 30 °C, 1 nights drop below freezing. The warmest reading in the 1991–2020 record is 40 °C, in May.

Rain is strongly seasonal. September averages 122 mm against 26 mm in December — 4.7 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month Avg high Rainfall Cloud
January 19.6 °C 32 mm 47 %
February 22.4 °C 28 mm 43 %
March 25.4 °C 44 mm 41 %
April 28.4 °C 42 mm 43 %
May 30.1 °C 47 mm 41 %
June 31.5 °C 42 mm 38 %
July 31.6 °C 54 mm 44 %
August 31.9 °C 37 mm 40 %
September 28.2 °C 122 mm 52 %
October 25.9 °C 61 mm 40 %
November 22.4 °C 34 mm 40 %
December 19.9 °C 26 mm 44 %

Temperature month by month

MonthAvg highAvg lowMeanRecord highRecord lowDays above 25 °CDays above 30 °CDays below 0 °C
January19.6 °C9.4 °C13.8 °C32.2 °C-4.6 °C500
February22.4 °C11.3 °C16.0 °C36.2 °C-6.9 °C1020
March25.4 °C13.8 °C18.9 °C37.4 °C0.6 °C1750
April28.4 °C16.8 °C22.1 °C39.8 °C3.6 °C24110
May30.1 °C19.7 °C24.5 °C40.4 °C9.2 °C28160
June31.5 °C21.4 °C26.2 °C39.8 °C15.5 °C30210
July31.6 °C21.9 °C26.4 °C38.9 °C18.2 °C30220
August31.9 °C22.2 °C26.7 °C37.9 °C17.8 °C31240
September28.2 °C20.3 °C23.9 °C36.8 °C13.2 °C2590
October25.9 °C17.2 °C21.1 °C34.9 °C3.4 °C1940
November22.4 °C13.2 °C17.2 °C32.6 °C0.2 °C810
December19.9 °C10.3 °C14.4 °C31.1 °C-3.3 °C500

Rain, sun and wind month by month

MonthRainfallWet daysDaylightCloud coverHumidityWind
January32 mm611 h/day47 %66 %10 km/h
February28 mm511 h/day43 %63 %11 km/h
March44 mm712 h/day41 %61 %12 km/h
April42 mm713 h/day43 %61 %13 km/h
May47 mm913 h/day41 %66 %12 km/h
June42 mm714 h/day38 %65 %13 km/h
July54 mm614 h/day44 %63 %13 km/h
August37 mm613 h/day40 %62 %13 km/h
September122 mm1112 h/day52 %73 %11 km/h
October61 mm712 h/day40 %72 %10 km/h
November34 mm511 h/day40 %70 %9.9 km/h
December26 mm511 h/day44 %66 %9.6 km/h

How Santa Catarina compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination Summer high Winter low Rain per year Days above 25 °C
Santa Catarina 32 °C 9.4 °C 569 mm 230
Monterrey · Mexico 33 °C 9.8 °C 582 mm 244
Ciudad Apodaca · Mexico 34 °C 9.5 °C 575 mm 256
Ciudad Benito Juárez · Mexico 33 °C 9.7 °C 553 mm 252
Saltillo · Mexico 28 °C 6.1 °C 545 mm 167
Monclova · Mexico 35 °C 8.4 °C 399 mm 268
Nuevo Laredo · Mexico 37 °C 10 °C 497 mm 281

Where Santa Catarina ranks

Planning a trip? See the best time to visit Santa Catarina.

QuestionsCommon questions about Santa Catarina’s climate

When is the best time to visit Santa Catarina?

That depends on what you want, so the honest answer is a comparison rather than a single month. March, April, October sit closest to 20 °C on average, August is the warmest month and December the driest. The month-by-month table above has the full picture.

How hot does Santa Catarina get?

In August, the warmest month, daily highs average 32 °C. About 116 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °C.

How cold does it get in winter?

Nights average 9.4 °C in January, the coldest month. A normal year has 1 nights below freezing.

Which month is wettest in Santa Catarina?

September, averaging 122 mm over 11 days with rain. The driest month is December with 26 mm. The year as a whole averages 569 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Santa Catarina rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.