Riohacha weather in October

In October, Riohacha has daytime highs averaging 30 °C, nights around 24 °C, with 26 wet days, and a sea temperature of 29 °C. Figures are 1991–2020 climate normals.

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

Daily temperatures through October

22° 28° 33° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 30.6 °C and lows bottom out at 24.1 °C.

How October 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 October 30.3 °C 24.5 °C 85 %
11–20 October 30.0 °C 24.2 °C 84 %
21–31 October 29.8 °C 24.2 °C 81 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in October. Wettest date over the 30 years: October 9, at 97 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical October Share of the month
Days above 25 °C 31 of 31 100 %
Days above 30 °C 14 of 31 45 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 26 of 31 83 %

Conditions in October

MeasureAverage
Mean temperature 27 °C
Record high (1991–2020) 35 °C
Record low (1991–2020) 22 °C
Relative humidity 85 %
Wind speed 15 km/h
Cloud cover 79 %

October compared with the months around it

Month Avg high Rainfall Cloud
August 32.8 °C 96 mm 75 %
September 31.3 °C 159 mm 81 %
October 30.0 °C 187 mm 79 %
November 29.5 °C 132 mm 71 %
December 29.8 °C 52 mm 54 %

See all twelve months for Riohacha

QuestionsOctober in Riohacha, answered

How warm is Riohacha in October?

Daily highs average 30 °C and nights fall to about 24 °C, a spread of 5.7 °C between afternoon and dawn. That makes October the 9th warmest month of the year here.

Does it rain much in Riohacha in October?

October averages 187 mm of rain, spread over about 26 of the 31 days — 83 % of the month. Cloud cover averages 79 % of the sky.

Is the sea warm enough to swim in October?

The sea averages 29 °C off Riohacha in October. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in October?

Riohacha averages 12 hours between sunrise and sunset in October. 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.