Climate in Santa Catarina

Average daytime and nighttime temperatures

All climate diagrams on this site result from the collected data from three measuring weather stations in Santa Catarina.
All data correspond to the average monthly values of the last 20 years.

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Santa Catarina is one of the coldest regions in Brazil with an average daily high temperature of only 26 degrees. The climate is very warm with an annual average of 26 degrees, but has few truly tropical and muggy months. For several months of the year, it is warm to hot at temperatures continuously above 25 degrees, sometimes up to 31 degrees. Due to less rain, the best time for traveling is from June to August. The most rain days occur from from January to October.
Overview: Climate in Brazil
Daylengths and sun positions in Brazil
Compare climate with other regions or countries
Sunshine hours per day
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 7 hours per day, January is the sunniest month in the region of Santa Catarina. In June, the sun shines the least.
Rain days per month
A rain day is a day on which at least 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 14 rain days, January offers the most rain days, while August has the fewest.
Precipitation amount in mm/day
The amount of precipitation is measured in millimeters per square meter. Thus, at two mm/day, two liters of water fall on one square meter within 24 hours. With only 2.9 mm, the least amount of rain falls in August. January, on the other hand, has the most rain.
Relative humidity in %
Warm air can absorb more moisture than cold air. The relative humidity indicates how much moisture can be physically contained in the air. At high humidity, a person feels uncomfortable and perceives this as oppressive. In general, a relative humidity of 40-60% feels pleasant. With humidity averaging 84%, July is the most uncomfortable. In December, on the other hand, it is easier to endure.
Absolute humidity in g/m³
In warm months, there is also a higher absolute humidity almost everywhere. At a temperature of 25°C, air can absorb up to 23 grams of water per cubic meter. At 20°C, it is only 17.3 grams. A relative humidity of 40% at 25°C thus corresponds to an absolute humidity of 9.2 grams of water. From a proportion of approx. 13.5 grams, humans perceive the air as muggy. This limit is reached for 9 months in Santa Catarina, although these are average values, and a month is rarely completely or not at all humid.
The "Humidex" (humidity index) is an index of well-being in warmer areas, calculated from the air temperature, relative humidity and dew point. The index corresponds approximately to the temperature felt. At high temperatures, the body transports heat away by sweating. At high humidity, the ambient air can only absorb a small amount of sweat and thus one feels uncomfortable. An index of 20-29 is considered comfortable. Up to 39, people perceive the air as slightly uncomfortable, and above 40, as very uncomfortable. Values above 45 are dangerous in the long run and often lead to heat stroke.
Map of Santa Catarina

Most important cities in the region »Santa Catarina«

The region has a west-east extension of about 430 km and over 340 km from north to south.

CityPopulationGeo position
Joinville570,48026° 18' 16"S48° 50' 44"W
Florianópolis482,00027° 35' 48"S48° 32' 57"W
Blumenau294,77326° 55' 10"S49° 3' 58"W
São José200,00028° 12' 42"S49° 9' 48"W
Itajaí173,45226° 54' 28"S48° 39' 43"W
Chapecó166,04027° 5' 47"S52° 37' 6"W
Lages153,67627° 48' 58"S50° 19' 34"W
Criciúma133,03128° 40' 39"S49° 22' 11"W
Jaraguá do Sul132,80026° 29' 10"S49° 4' 0"W
Palhoça119,36027° 38' 43"S48° 40' 4"W
Balneário Camboriú108,08926° 59' 26"S48° 38' 5"W
Brusque102,02527° 5' 53"S48° 54' 46"W
São Bento do Sul77,59726° 15' 1"S49° 22' 43"W
Tubarão67,24528° 28' 0"S49° 0' 25"W
Caçador63,72626° 46' 31"S51° 0' 54"W
Concórdia55,36727° 14' 3"S52° 1' 40"W
Biguaçu51,99227° 29' 39"S48° 39' 20"W
Rio do Sul51,94427° 12' 51"S49° 38' 35"W
Içara51,45428° 42' 48"S49° 17' 60"W
Navegantes47,78126° 53' 56"S48° 39' 15"W
Indaial44,35926° 53' 52"S49° 13' 54"W
Imbituba43,45028° 14' 24"S48° 40' 13"W
Araranguá43,44428° 56' 9"S49° 29' 43"W
Videira42,44027° 0' 30"S51° 9' 6"W
Rio Negrinho41,91426° 15' 16"S49° 31' 6"W
Mafra40,08126° 6' 41"S49° 48' 19"W
Laguna39,71128° 28' 57"S48° 46' 51"W
Canoinhas38,86226° 10' 38"S50° 23' 24"W
Itapema36,76127° 5' 25"S48° 36' 41"W
São Francisco do Sul36,22426° 14' 36"S48° 38' 17"W

Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants:, United Nations Statistics Division and own research.
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