January in Mazatlán — one of the year's strongest windows (7th)
Best window · 9.3/10With 23°C (73°F) on average, January delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
At just 1 mm for the month, rain will not shape your plans; you get about 18 days with 6+ hours of sunshine and 10.7 hours of daylight.
On our climate-comfort scale this is one of the strongest months of the year for Mazatlán at 9.3/10 (7th of 12), just behind April at 10/10.
Budget for peak pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection.
February ranks 4th of 12 for Mazatlán — one of the best windows
Best window · 9.6/10With 23°C (73°F) on average, February delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
At just 11 mm for the month, rain will not shape your plans; you get about 21 days with 6+ hours of sunshine and 11.2 hours of daylight.
On our climate-comfort scale this is one of the strongest months of the year for Mazatlán at 9.6/10 (4th of 12), just behind April at 10/10.
Expect peak pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection.
March in Mazatlán — one of the year's strongest windows (3rd)
Best window · 9.7/10March averages 23°C (73°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rain is a non-issue at 0 mm for the month, with about 31 days with 6+ hours of sunshine and 11.8 hours of daylight to work with.
A 9.7/10 puts this among the year's best months in Mazatlán (3rd of 12); only April scores higher, at 10/10.
Plan for peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, swimwear and real sun protection.
April in Mazatlán tops the year's climate scores
Best window · 10/10With 24°C (75°F) on average, April delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
At just 14 mm for the month, rain will not shape your plans; you get about 30 days with 6+ hours of sunshine and 12.5 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Mazatlán at 10/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, swimwear and real sun protection.
May ranks 2nd of 12 for Mazatlán — one of the best windows
Best window · 10/10May averages 26°C (80°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rain is a non-issue at 11 mm for the month, with about 31 days with 6+ hours of sunshine and 13.1 hours of daylight to work with.
A 10/10 puts this among the year's best months in Mazatlán (2nd of 12); only April scores higher, at 10/10.
Figure on peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
June ranks 5th of 12 for Mazatlán — one of the best windows
Best window · 9.5/10Days in June average 28°C (82°F) and humidity near 71% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 45 mm of rain this month — a flexible day or two helps — with about 30 days with 6+ hours of sunshine and 13.4 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Mazatlán at 9.5/10 (5th of 12), just behind April at 10/10.
Budget for mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
July holds up well in Mazatlán — 9th best month
Good · 8.2/10Days in July average 29°C (85°F) and humidity near 74% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 97 mm of rain this month — a flexible day or two helps — with about 29 days with 6+ hours of sunshine and 13.3 hours of daylight to work around it.
That is 8.2/10 on the same scale — 9th of 12 months, versus 10/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
If your dates are flexible, April is materially better in Mazatlán — 1.8 points higher on the same scale.
August holds up well in Mazatlán — 10th best month
Good · 7.1/10August averages 29°C (85°F) and humidity near 78%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 162 mm — wet for this destination — but about 25 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7.1/10 here, 10th of 12 months, against 10/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? April scores 2.9 points higher here — enough to change the trip.
September in Mazatlán: strong conditions, 11th of 12
Good · 7/10September averages 29°C (85°F) and humidity near 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 158 mm — wet for this destination — but about 25 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7/10 here, 11th of 12 months, against 10/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? April scores 3 points higher here — enough to change the trip.
October in Mazatlán — middling scores, decent value
Trade-offs · 6.4/10Days in October average 28°C (83°F) and humidity near 75% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 348 mm, but with about 22 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 6.4/10 on the same scale — 12th of 12 months, versus 10/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, April is materially better in Mazatlán — 3.6 points higher on the same scale.
November ranks 6th of 12 for Mazatlán — one of the best windows
Best window · 9.4/10With 25°C (77°F) on average, November delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
At just 9 mm for the month, rain will not shape your plans; you get about 19 days with 6+ hours of sunshine and 10.9 hours of daylight.
On our climate-comfort scale this is one of the strongest months of the year for Mazatlán at 9.4/10 (6th of 12), just behind April at 10/10.
Expect mid-season pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection.
December is one of the strongest months in Mazatlán (8th)
Best window · 9.1/10December averages 24°C (74°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rain is a non-issue at 1 mm for the month, with about 16 days with 6+ hours of sunshine and 10.6 hours of daylight to work with.
A 9.1/10 puts this among the year's best months in Mazatlán (8th of 12); only April scores higher, at 10/10.
Figure on peak pricing, with crowds are moderate.
Pack light clothing, swimwear and real sun protection.
