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Monthly climate in Mazatlan, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mazatlan features a tropical savanna climate (As). Temperatures typically range between 21 °C (70 °F) and 29 °C (84 °F) through the year, but rarely can drop to 14 °C (57 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 657 mm (25.9 inches) and receives 61 rainy days on the 1 mm (0.04 inches) threshold annually. Mazatlan enjoys an average of 3536 hours of sunshine throughout the year, and daylight varies from 10 hours 42 minutes to 13 hours 32 minutes per day.

Monthly average temperatures in Mazatlan, Mexico

The warmest months in Mazatlan are July, August and September, with daily mean temperatures ranging from 28 to 29 °C (83 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 21 to 21 °C (70 - 71 °F) throughout the day. On average each year, Mazatlan experiences 212 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mazatlan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum27°C
(81°F)		27°C
(80°F)		27°C
(80°F)		27°C
(80°F)		29°C
(84°F)		31°C
(88°F)		32°C
(89°F)		32°C
(90°F)		32°C
(89°F)		32°C
(89°F)		30°C
(87°F)		28°C
(82°F)
Mean maximum26°C
(78°F)		25°C
(78°F)		25°C
(77°F)		26°C
(79°F)		28°C
(82°F)		30°C
(86°F)		31°C
(89°F)		31°C
(89°F)		31°C
(89°F)		31°C
(88°F)		29°C
(85°F)		27°C
(81°F)
Average high24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		24°C
(76°F)		26°C
(79°F)		28°C
(83°F)		30°C
(86°F)		30°C
(87°F)		30°C
(86°F)		30°C
(86°F)		28°C
(82°F)		25°C
(77°F)
Daily mean21°C
(71°F)		21°C
(70°F)		21°C
(70°F)		23°C
(73°F)		25°C
(77°F)		27°C
(81°F)		29°C
(84°F)		29°C
(84°F)		28°C
(83°F)		28°C
(83°F)		26°C
(79°F)		23°C
(73°F)
Average low19°C
(67°F)		19°C
(67°F)		19°C
(67°F)		21°C
(70°F)		23°C
(74°F)		26°C
(79°F)		28°C
(82°F)		27°C
(82°F)		27°C
(81°F)		27°C
(80°F)		24°C
(75°F)		21°C
(70°F)
Mean minimum17°C
(62°F)		17°C
(63°F)		17°C
(64°F)		19°C
(66°F)		21°C
(71°F)		24°C
(75°F)		26°C
(78°F)		26°C
(78°F)		26°C
(78°F)		25°C
(76°F)		22°C
(71°F)		18°C
(66°F)
Minimum14°C
(57°F)		16°C
(61°F)		16°C
(60°F)		17°C
(63°F)		21°C
(69°F)		23°C
(74°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		23°C
(74°F)		20°C
(69°F)		17°C
(63°F)

Compare climate in Mazatlan with other places

Compare temperature, precipitation, sunshine, UV index in Mazatlan, Mexico with other places around the world.

Monthly average precipitation in Mazatlan, Mexico

Mazatlan usually has the most precipitation in August, September and October, with an average of 15 rainy days and 169 mm (6.7 inches) of precipitation per month. The driest months in Mazatlan are March, April and May. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mazatlan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)12 (0.5)25 (1.0)0 (0.0)0 (0.0)0 (0.0)21 (0.8)61 (2.4)266 (10.5)165 (6.5)77 (3.0)15 (0.6)14 (0.6)
Average precipitation days (≥ 1 mm)01000291920811

Monthly sunshine hours in Mazatlan, Mexico

The sunniest months in Mazatlan are April, May and June, when the sun shines an average of 11 hours 2 minutes a day. Least sunny months in Mazatlan: January, February and December receive an average of 8 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mazatlan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours221260315325354324324292274291275274
Mean daily daylight hours10h 52m11h 22m12h 1m12h 42m13h 15m13h 32m13h 23m12h 53m12h 14m11h 34m10h 59m10h 42m

Solar UV radiation in Mazatlan, Mexico

Mazatlan experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Mazatlan UV Index data.

Average daily maximum UV levels by month for Mazatlan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)710111313121212121086