Heroica Matamoros weather in August

In August, Heroica Matamoros has daytime highs averaging 33 °C, nights around 26 °C, with 10 wet days. Figures are 1991–2020 climate normals.

  1. Jan 17°
  2. Feb 19°
  3. Mar 21°
  4. Apr 24°
  5. May 26°
  6. Jun 28°
  7. Jul 29°
  8. Aug 29°
  9. Sep 27°
  10. Oct 25°
  11. Nov 21°
  12. Dec 18°

Daily temperatures through August

23° 30° 36° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 33.3 °C and lows bottom out at 25.7 °C.

How August 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 August 33.0 °C 26.2 °C 29 %
11–20 August 33.0 °C 26.3 °C 26 %
21–31 August 32.5 °C 25.9 °C 42 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in August. Wettest date over the 30 years: August 31, at 60 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical August Share of the month
Days above 25 °C 31 of 31 100 %
Days above 30 °C 29 of 31 94 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 10 of 31 33 %

Conditions in August

MeasureAverage
Mean temperature 29 °C
Record high (1991–2020) 38 °C
Record low (1991–2020) 22 °C
Relative humidity 74 %
Wind speed 24 km/h
Cloud cover 44 %

August compared with the months around it

Month Avg high Rainfall Cloud
June 31.9 °C 58 mm 42 %
July 32.5 °C 60 mm 43 %
August 32.8 °C 53 mm 44 %
September 30.8 °C 110 mm 51 %
October 28.6 °C 78 mm 43 %

See all twelve months for Heroica Matamoros

QuestionsAugust in Heroica Matamoros, answered

How warm is Heroica Matamoros in August?

Daily highs average 33 °C and nights fall to about 26 °C, a spread of 6.7 °C between afternoon and dawn. That makes August the 1st warmest month of the year here.

Does it rain much in Heroica Matamoros in August?

August averages 53 mm of rain, spread over about 10 of the 31 days — 33 % of the month. Cloud cover averages 44 % of the sky.

How long are the days in August?

Heroica Matamoros averages 13 hours between sunrise and sunset in August. 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.