Monthly weather forecast and climate
Mazatlán, Mexico

A view of the dramatic evening sky along a beach in Mazatlán, Mexico, with a view of mountains in the distance
A view of the dramatic evening sky along a beach in Mazatlán, Mexico, with a view of mountains in the distance
The best months for a swim in Mazatlán, Mexico, are May and November, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.

January, like December, in Mazatlán, Mexico, is a moderately hot winter month, with average temperature fluctuating between 25.3°C (77.5°F) and 19.4°C (66.9°F). In January, the average high-temperature is practically the same as in December - a still warm 25.3°C (77.5°F). Weather in January »

The last month of the winter, February, is also a moderately hot month in Mazatlán, Mexico, with average temperature ranging between max 25.1°C (77.2°F) and min 19.4°C (66.9°F). With an average high-temperature of 25.1°C (77.2°F) and an average low-temperature of 19.4°C (66.9°F), February is the coldest month. Weather in February »

March, the first month of the spring, in Mazatlán, is also a moderately hot month, with temperature in the range of an average low of 20.2°C (68.4°F) and an average high of 25.9°C (78.6°F). In March, the average high-temperature is essentially the same as in February - a still moderately hot 25.9°C (78.6°F). Weather in March »

April, the same as March, is another warm spring month in Mazatlán, Mexico, with temperature in the range of an average low of 21.1°C (70°F) and an average high of 26.8°C (80.2°F). In Mazatlán, the average high-temperature is practically the same as in March - a still moderately hot 26.8°C (80.2°F). Weather in April »

The last month of the spring, May, is another warm month in Mazatlán, Mexico, with average temperature varying between 28.6°C (83.5°F) and 23.8°C (74.8°F). The perfect water temperature of 26.7°C (80.1°F) with 3mm (0.12") of accumulated rainfall and only 1.7 rainfall days, makes May a great period for swimming and other water activities. Weather in May »

The first month of the summer, June, is also a moderately hot month in Mazatlán, Mexico, with average temperature fluctuating between 25.9°C (78.6°F) and 29.7°C (85.5°F). In June, the average high-temperature is essentially the same as in May - a still warm 29.7°C (85.5°F). Weather in June »

July is a hot summer month in Mazatlán, Mexico, with temperature in the range of an average high of 30.6°C (87.1°F) and an average low of 26.9°C (80.4°F). In July, the average high-temperature is almost the same as in June - a tropical 30.6°C (87.1°F). Weather in July »

The last month of the summer, August, is another hot month in Mazatlán, Mexico, with average temperature varying between 30.9°C (87.6°F) and 26.9°C (80.4°F). August is the warmest month, with an average high-temperature of 30.9°C (87.6°F) and an average low-temperature of 26.9°C (80.4°F). In August, the average heat index is estimated at a sweltering 39.2°C (102.6°F). Weather in August »

The first month of the autumn, September, is also a hot month in Mazatlán, Mexico, with average temperature ranging between max 30.3°C (86.5°F) and min 26.3°C (79.3°F). In September, the average high-temperature is almost the same as in August - a still tropical 30.3°C (86.5°F). Weather in September »

October, the same as September, in Mazatlán, Mexico, is another hot autumn month, with temperature in the range of an average low of 25.5°C (77.9°F) and an average high of 30°C (86°F). In October, the average high-temperature is practically the same as in September - a still hot 30°C (86°F). Weather in October »

The last month of the autumn, November, is another warm month in Mazatlán, Mexico, with average temperature ranging between max 28.3°C (82.9°F) and min 22.9°C (73.2°F). The perfect water temperature of 26.8°C (80.2°F) with 26mm (1.02") of accumulated rainfall and only 4.4 rainfall days, makes November a great period for swimming and other water activities. Weather in November »

The first month of the winter, December, is also a moderately hot month in Mazatlán, Mexico, with temperature in the range of an average high of 25.5°C (77.9°F) and an average low of 20.3°C (68.5°F). In Mazatlán, Mexico, the average high-temperature in December is relatively the same as in November - a still warm 25.5°C (77.9°F). Weather in December »

What are the least humid months in Mazatlán?

January and March, with an average relative humidity of 60%, are the least humid months in Mazatlán.

How much does it rain in Mazatlán?

In Mazatlán, during the entire year, the rain falls for 113.9 days and collects up to 454mm (17.87") of precipitation.

What is the month with the least sunshine in Mazatlán?

January has the least sunshine of the year in Mazatlán, Mexico, with an average of 7.3h of sunshine.

When is the lowest UV index in Mazatlán?

January through April, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Mazatlán, Mexico.

What is the coldest month in Mazatlán?

The coldest month is February, with an average high-temperature of 25.1°C (77.2°F) and an average low-temperature of 19.4°C (66.9°F).

What month is the sea coldest in Mazatlán?

The month with the coldest seawater is February, with an average sea temperature of 21.6°C (70.9°F).

What is the driest month in Mazatlán?

April is the only month when rain does not fall in Mazatlán.

When does it rain in Mazatlán?

January through March, May through December are months with rainfall in Mazatlán.

What month has the most sunshine in Mazatlán?

May has the most sunshine of the year in Mazatlán, Mexico, with an average of 11.8h of sunshine.

When is the highest UV index in Mazatlán?

Months with the highest UV index are May through October, with an average maximum UV index of 7.

When are the longest days in Mazatlán?

The month with the longest days is June, with an average of 13.6h of daylight.

What is the warmest month in Mazatlán?

The warmest month is August, with an average high-temperature of 30.9°C (87.6°F) and an average low-temperature of 26.9°C (80.4°F).

When is the sea warmest in Mazatlán?

With an average sea temperature of 30.6°C (87.1°F), August is the month with the warmest seawater in Mazatlán.

What is the most humid month in Mazatlán?

The most humid month in Mazatlán, Mexico, is September, with an average relative humidity of 77%.

What is the wettest month in Mazatlán?

The month with the most rainfall in Mazatlán is September when the rain falls for 23.1 days and typically aggregates up to 121mm (4.76") of precipitation.

What is the month with the shortest days in Mazatlán?

The month with the shortest days is December, with an average of 10.7h of daylight.
Average temperature - Mazatlán, Mexico

The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is February (25.1°C).

Months with the highest average low temperature are July and August (26.9°C).
The coldest months (with the lowest average low temperature) are January and February (19.4°C).

Average humidity - Mazatlán, Mexico
Average rainfall - Mazatlán, Mexico
Average rainfall days - Mazatlán, Mexico

The month with the highest number of rainy days is August (25.3 days).
The month with the least rainy days is April (0.6 days).

Average sea temperature - Mazatlán, Mexico

The best month for swimming (with the highest average sea temperature) is August (30.6°C).
The coldest month (with the lowest average sea temperature) is February (21.6°C).

Average daylight / Average sunshine - Mazatlán, Mexico

The month with the longest days is June (Average daylight: 13.6h).
The month with the shortest days is December (Average daylight: 10.7h).

The month with the most sunshine is May (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 7.3h).

Average UV index - Mazatlán, Mexico

Months with the highest UV index are May, June, July, August, September and October (UV index 7).
Months with the lowest UV index are January, February, March, April, November and December (UV index 6).