Tampico has a Tropical savanna climate, with a K�ppen climate classification of Aw based on the mean average temperature of 18 �C (65 �F) for January as well as on precipitation patterns. Its weather, though reasonably pleasant in spring and autumn, is hot in the summer; the average high reaches 32 �C (90 �F) in August, with an average low of 23 �C (74 �F). Winters are cool but not cold. The average January high is 23 �C (73 �F) and the average low in January is 15 �C (59 �F). Rainfall is frequent from May through September.
Tampico is an extremely humid city, with summer heat indexes reaching 40 �C (104 �F). During autumn and winter, it is affected by cold fronts that pass through the gulf and bring high winds that can reach 50 km/h (37 mph) with gusts of 70 to 80 km/h (43 to 50 mph). Tampico is located in a hurricane area, but it has not been affected directly by one in more than 50 years. In 2011, during the last week of January and first week of February, the city registered temperatures that are very cold for the zone, the temperatures were from 10�C and the lowest being of 2�C in the morning and noon of 4 February.
In February, 1895, snow was reported to have fallen in Tampico. This is the North American record for the furthest south report of snow at a sea level location and one of the few places that snow has fallen in the tropics at sea level
