Kollappally has the **tropical monsoon climate** typical of inland Kerala, generally corresponding to **Köppen Am**, though local conditions can show some tropical wet characteristics because rainfall is high and temperatures are fairly stable year-round.
### Seasonal pattern - **Summer (March-May):** Warm to hot, humid, with daytime temperatures often in the upper 20s to low 30s °C. - **Southwest monsoon (June-September):** Heavy rainfall, cloudy conditions, lush vegetation, and cooler daytime conditions than peak summer. - **Northeast/post-monsoon season (October-November):** Continued rain, often with thunderstorms. - **Drier season (December-February):** Comparatively more comfortable, with warm days and slightly cooler nights.
### Typical climate characteristics - **Average temperatures:** Inland Kerala settlements commonly see annual temperatures roughly in the **23-32°C** range depending on season and time of day. - **Rainfall:** Kottayam district is one of Kerala's wetter regions; annual rainfall is generally high, but a precise Kollappally figure is not readily available. - **Snowfall:** None. - **Humidity:** High for most of the year.
### Best time to visit - **December to February** is usually the most comfortable period for travel, routine outdoor activity, and regional sightseeing. - The **monsoon season** is scenic and green but can disrupt transport and outdoor plans.
### Weather-related risks - Intense monsoon rain can cause: - Localized flooding or waterlogging - Landslip risk on steeper slopes elsewhere in the district - Tree fall and temporary power interruptions - Road wear and drainage problems
For exact normals, travelers and residents should consult the India Meteorological Department or current district-level forecasts.