Mexico
Mazatlán in May: weather, sea & travel advice
This month's data profile
Sea conditions lead
Mazatlán in May is climatically well suited to beach holidays and family holidays. The average daily high is around 34 °C, and the sea is about 26 °C. With about 1 rainy day it is very dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
73/100 · #8
Warmth
#1
Dryness
#3
Sun
#1
Sea warmth
#7
Published best categories: none
Mazatlán · MayPhoto: Shane Smith · CC BY-SA 3.0Climate facts
- Average high
- 34 °C
- Average low
- 21 °C
- Sea
- 26 °C
- Rainy days (est.)
- 1 rainy day (est.)
- Sun (est.)
- 10 h/day
- Humidity
- 48 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| April | 32 | 19 | 0 | 2 | 9.1 | 45 | 1.5 | 23 | 78 |
| May (selected) | 34 | 21 | 1 | 2 | 9.5 | 48 | 1.7 | 26 | 73 |
| June | 34 | 23 | 8 | 48 | 8.6 | 63 | 1.8 | 28 | 65 |
How do the previous and next months compare?
Baseline: May (73/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| April | +5 | -1.9 °C | -2.3 °C | -0.4 | -0.5 mm | -0.4 h | -3.7 % | -0.2 m/s | -2.5 °C |
| June | -8 | -0.3 °C | +2.4 °C | +7.5 | +45.4 mm | -0.9 h | +14.2 % | +0.1 m/s | +2.2 °C |
All twelve months in context

Find a place to stay
Where to stay in Mazatlán
Compare available stays, prices and cancellation terms for Mazatlán on Booking.com.
Booking.comFind places to stayAffiliate link: there is no extra cost to you.
Useful next decisions
Frequently asked questions
How warm is Mazatlán in May?
The average daily high is around 34 °C, with an average daily low of about 21 °C.
Can you swim in Mazatlán in May?
The sea is about 26 °C (warm).
Does it rain a lot in Mazatlán in May?
The curated estimate is about 1 rainy day per month, not a directly measured long-term average. Total precipitation averages around 2 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Mazatlán?
By the climate score, January, February, November and December are the strongest months for Mazatlán. For a beach trip: January, February, November and December. May is not among them.