Explanation: To determine the most pleasant month for an outdoor festival in Kolkata, we need to consider the climatic conditions, particularly temperature and humidity, as these factors significantly influence the comfort level for outdoor activities.
Kolkata, located in the eastern part of India, experiences a tropical wet and dry climate. The year can be divided into three main seasons: summer, monsoon, and winter. Each season has distinct climatic characteristics that affect the suitability for outdoor events.
1. **Summer (March to May)**: This period is characterized by high temperatures, often exceeding 35°C, and high humidity. The heat and humidity make it uncomfortable for outdoor activities, especially during the peak summer months of April and May.
2. **Monsoon (June to September)**: The monsoon season brings heavy rainfall and high humidity. While the temperature may be slightly lower than in summer, the high humidity and frequent rain make it less ideal for outdoor events. The months of June, July, August, and September are typically wet and humid, with temperatures ranging from 28-32°C.
3. **Post-Monsoon (October to November)**: This period marks the transition from the monsoon to the winter season. The weather is generally pleasant with moderate temperatures and low humidity. The average temperature in October and November is around 25-28°C, making it a comfortable time for outdoor activities.
4. **Winter (December to February)**: The winter season in Kolkata is relatively mild compared to other parts of India. Temperatures can drop to around 15-20°C, which can be cool for some outdoor activities, especially if the event is planned for early morning or late evening.
Given these climatic conditions, November stands out as the most pleasant month for an outdoor festival. The post-monsoon period offers moderate temperatures and low humidity, creating a comfortable environment for outdoor activities. The weather is neither too hot nor too humid, making it ideal for hosting events that require outdoor settings.
In conclusion, the climagraph of Kolkata indicates that November is the most suitable month for an outdoor festival due to its moderate temperatures and low humidity, providing a comfortable and pleasant environment for participants and attendees.