Caxias do Sul weather in January

In January, Caxias do Sul has daytime highs averaging 25 °C, nights around 17 °C, with 18 wet days. Figures are 1991–2020 climate normals.

  1. Jan 20°
  2. Feb 20°
  3. Mar 19°
  4. Apr 17°
  5. May 13°
  6. Jun 12°
  7. Jul 11°
  8. Aug 13°
  9. Sep 14°
  10. Oct 16°
  11. Nov 18°
  12. Dec 20°

Daily temperatures through January

13° 21° 29° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 26.2 °C and lows bottom out at 15.9 °C.

How January develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days Avg high Avg low Chance of rain
1–10 January 25.3 °C 16.7 °C 56 %
11–20 January 24.9 °C 16.4 °C 60 %
21–31 January 25.4 °C 16.8 °C 61 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in January. Wettest date over the 30 years: January 25, at 80 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical January Share of the month
Days above 25 °C 17 of 31 54 %
Days above 30 °C 0.9 of 31 3 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 18 of 31 59 %

Conditions in January

MeasureAverage
Mean temperature 20 °C
Record high (1991–2020) 32 °C
Record low (1991–2020) 6.9 °C
Relative humidity 82 %
Wind speed 13 km/h
Cloud cover 59 %

January compared with the months around it

Month Avg high Rainfall Cloud
January 25.2 °C 202 mm 59 %
February 24.8 °C 182 mm 59 %
March 23.6 °C 156 mm 56 %
November 22.7 °C 161 mm 56 %
December 24.7 °C 188 mm 57 %

See all twelve months for Caxias do Sul

QuestionsJanuary in Caxias do Sul, answered

How warm is Caxias do Sul in January?

Daily highs average 25 °C and nights fall to about 17 °C, a spread of 8.6 °C between afternoon and dawn. That makes January the 1st warmest month of the year here.

Does it rain much in Caxias do Sul in January?

January averages 202 mm of rain, spread over about 18 of the 31 days — 59 % of the month. Cloud cover averages 59 % of the sky.

How long are the days in January?

Caxias do Sul averages 14 hours between sunrise and sunset in January. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

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: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. 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.