Viñales has a tropical monsoon climate according to the Köppen climate classification, with a hot, lengthy wet season, and a warm and relatively short dry season. The average temperatures range from highs of 31.7 °C and lows of 22 °C in July and August to 26.2 °C and 16.1 °C in February. April–November represents the wet season, being especially wet May–October. December–March is the dry season, however only December and March qualify as true dry season months, as the threshold for such a month is less than 60 millimeters. The rainiest month in Viñales is June, with 226 millimeters, and the driest is December with 50 millimeters.
