São José weather in March

In March, São José has daytime highs averaging 27 °C, nights around 19 °C, with 21 wet days. Figures are 1991–2020 climate normals.

  1. Jan 24°
  2. Feb 24°
  3. Mar 22°
  4. Apr 20°
  5. May 17°
  6. Jun 16°
  7. Jul 15°
  8. Aug 16°
  9. Sep 18°
  10. Oct 19°
  11. Nov 21°
  12. Dec 23°

Daily temperatures through March

15° 23° 31° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 28.6 °C and lows bottom out at 17.5 °C.

How March 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 March 27.7 °C 19.7 °C 73 %
11–20 March 27.1 °C 19.1 °C 64 %
21–31 March 26.0 °C 18.1 °C 62 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in March. Wettest date over the 30 years: March 1, at 80 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical March Share of the month
Days above 25 °C 21 of 31 69 %
Days above 30 °C 5.0 of 31 16 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 21 of 31 66 %

Conditions in March

MeasureAverage
Mean temperature 22 °C
Record high (1991–2020) 35 °C
Record low (1991–2020) 9.8 °C
Relative humidity 84 %
Wind speed 9.7 km/h
Cloud cover 64 %

March compared with the months around it

Month Avg high Rainfall Cloud
January 28.0 °C 318 mm 69 %
February 27.8 °C 280 mm 68 %
March 26.9 °C 198 mm 64 %
April 25.1 °C 122 mm 57 %
May 21.9 °C 131 mm 57 %

See all twelve months for São José

QuestionsMarch in São José, answered

How warm is São José in March?

Daily highs average 27 °C and nights fall to about 19 °C, a spread of 7.9 °C between afternoon and dawn. That makes March the 4th warmest month of the year here.

Does it rain much in São José in March?

March averages 198 mm of rain, spread over about 21 of the 31 days — 66 % of the month. Cloud cover averages 64 % of the sky.

How long are the days in March?

São José averages 12 hours between sunrise and sunset in March. 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.