Climate almanac
Vallam
Tamil Nadu, India · 10.72°, 79.06°
What is the climate like in Vallam?
The best time to visit Vallam is typically January – April, with trip comfort peaking in February (7.9/10). Vallam is warmest in May, when daily highs average 99°F (37°C), and coolest in January, when lows fall to about 72°F (22°C). The wettest month is typically November and the driest is February; the year sees roughly 40 in (1008 mm) of precipitation.
- Best time to visitJanuary – April — comfort peaks in February (7.9/10)
- Warmest monthMay — average high 99°F (37°C)
- Coolest monthJanuary — average low 72°F (22°C)
- Wettest monthNovember (8.9 in (226 mm))
- Driest monthFebruary (0.5 in (13 mm))
- Annual precipitation40 in (1008 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromTiruchchirapalli, 38 km away (1961-2025)