Mazatlán climate

Mazatlán is warmest in June, with average highs of 31 °C, and coldest in February, when nights average 16 °C. August is the wettest month (221 mm) and April the driest (0.6 mm). Figures are 1991–2020 climate normals.

Across a full year Mazatlán averages 785 mm of rain and 328 days above 25 °C.

Mexico · population 381,583 · 1991–2020 normals

  1. Jan 20°
  2. Feb 21°
  3. Mar 21°
  4. Apr 23°
  5. May 25°
  6. Jun 27°
  7. Jul 28°
  8. Aug 28°
  9. Sep 27°
  10. Oct 27°
  11. Nov 24°
  12. Dec 21°

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

  • Warmest month June 31 °C
  • Coldest month February 16 °C
  • Driest month April 1 mm
  • Wettest month August 221 mm
  • Least cloud May 26 % cloud
  • Hottest on record July 35 °C
  • Coldest on record February 10 °C
  • Warmest sea August 30 °C

What to expectMazatlán through the year

Mazatlán has a clear annual cycle: average daily highs run from 26 °C in February to 31 °C in June, a swing of 7.3 °C in mean temperature across the year.

Counted across a normal year, 328 days a year reach 25 °C, 109 of them reach 30 °C. The warmest reading in the 1991–2020 record is 35 °C, in July.

Rain is strongly seasonal. August averages 221 mm against 1 mm in April — 349 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Mazatlán is warmest in August at 30 °C and coldest in March at 22 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month Avg high Rainfall Cloud
January 25.3 °C 14 mm 41 %
February 25.7 °C 14 mm 38 %
March 26.5 °C 3 mm 35 %
April 28.1 °C 1 mm 37 %
May 29.9 °C 1 mm 26 %
June 31.0 °C 35 mm 41 %
July 30.7 °C 167 mm 76 %
August 30.2 °C 221 mm 77 %
September 29.7 °C 216 mm 74 %
October 29.6 °C 70 mm 43 %
November 28.0 °C 31 mm 34 %
December 25.8 °C 10 mm 43 %

Temperature month by month

Month Avg highAvg lowMeanRecord highRecord lowDays above 25 °CDays above 30 °CDays below 0 °C
January 25.3 °C16.3 °C20.4 °C29.8 °C10.8 °C1900
February 25.7 °C16.3 °C20.7 °C30.1 °C10.1 °C1800
March 26.5 °C16.7 °C21.4 °C30.9 °C11.2 °C2700
April 28.1 °C18.1 °C23.0 °C31.8 °C13.4 °C2920
May 29.9 °C20.5 °C25.3 °C33.9 °C15.8 °C31160
June 31.0 °C24.2 °C27.3 °C34.1 °C18.4 °C30240
July 30.7 °C25.2 °C27.7 °C34.6 °C22.4 °C31220
August 30.2 °C25.3 °C27.6 °C33.9 °C21.9 °C31180
September 29.7 °C25.0 °C27.2 °C33.6 °C21.9 °C30130
October 29.6 °C23.8 °C26.5 °C32.4 °C18.3 °C31110
November 28.0 °C20.3 °C23.9 °C32.9 °C14.8 °C2930
December 25.8 °C17.4 °C21.3 °C31.9 °C10.3 °C2100

Rain, sun and wind month by month

Month RainfallWet daysDaylightCloud coverHumidityWindSea temp
January 14 mm111 h/day41 %76 %12 km/h23.3 °C
February 14 mm111 h/day38 %74 %13 km/h22.5 °C
March 3 mm012 h/day35 %72 %14 km/h22.2 °C
April 1 mm013 h/day37 %71 %14 km/h23.2 °C
May 1 mm013 h/day26 %72 %15 km/h25.6 °C
June 35 mm414 h/day41 %75 %15 km/h27.8 °C
July 167 mm1613 h/day76 %81 %12 km/h29.3 °C
August 221 mm2113 h/day77 %85 %11 km/h30.0 °C
September 216 mm2112 h/day74 %87 %11 km/h29.9 °C
October 70 mm712 h/day43 %84 %11 km/h29.6 °C
November 31 mm211 h/day34 %79 %11 km/h27.4 °C
December 10 mm111 h/day43 %77 %11 km/h24.7 °C

How Mazatlán compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination Summer high Winter low Rain per year Days above 25 °C
Mazatlán 31 °C 16 °C 785 mm 328
Victoria de Durango · Mexico 30 °C 4.1 °C 492 mm 172
Culiacán · Mexico 36 °C 13 °C 649 mm 351
Tepic · Mexico 31 °C 13 °C 1,538 mm 315
Puerto Vallarta · Mexico 32 °C 18 °C 1,404 mm 357
Cabo San Lucas · Mexico 31 °C 18 °C 280 mm 306
Los Mochis · Mexico 35 °C 13 °C 339 mm 329

Where Mazatlán ranks

Planning a trip? See the best time to visit Mazatlán.

QuestionsCommon questions about Mazatlán’s climate

When is the best time to visit Mazatlán?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, December sit closest to 20 °C on average, June is the warmest month and April the driest. The month-by-month table above has the full picture.

How hot does Mazatlán get?

In June, the warmest month, daily highs average 31 °C. About 109 days a year pass 30 °C. The highest value in the 1991–2020 record is 35 °C.

How cold does it get in winter?

Nights average 16 °C in February, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Mazatlán?

August, averaging 221 mm over 21 days with rain. The driest month is April with 1 mm. The year as a whole averages 785 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Mazatlán rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

Normal period
1991–2020
Data point
23.222°, -106.419° (the coordinates the reanalysis values are taken for)
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. 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.