Climate in Kerala
Though closer to equator, the climate of Kerala is moderate through out the year. The diversity of the geographical features of the state has resulted in a corresponding diversity in climate. The High Ranges or the hilly areas in the Western border have a cool climate through out the year, while Indian insane warmer and humid. The average level of annual rainfall is quite high when compared to other Indian states.
Rainy Seasons of Kerala
Kerala is blessed with two monsoons, the South West monsoon or Edavappathi (so called because the rain starts in mid (paathi) Edavam (the Malayalam month) – which lasts from June to August – end and the North East monsoon or the retreating monsoon which occurs during October – November. The second is called Thulavarsham (so named cause it is the varsham (rain) that falls in the month of Thulam) this second spate of rain lasts for one month. South west monsoon is the main rainy season in Kerala. This season which begins by the early June witnesses periods of torrential rain. North East Monsoon which is also known as the Retreating Monsoon or the Reverse monsoon arrives in Kerala during the return of the south west monsoon winds. These rains are in the months of October and November and sometimes last till December. Heavy afternoon rains accompanied by thunder and lightening are the main characteristic of the season. Days are warm and humid but there is not much variation in temperature.
Winter Season in Kerala
Winter in Kerala starts with the end of the northeast monsoons i.e. from the later but of November lasting till the middle of February. During this season, temperature is comparatively low but it does not vary much from other seasons. But in the highlands of Kerala, where the climate is cool through out the year, winter temperatures often fall below 10°C. By the end of February, temperature starts rising. Relatively higher temperature, low rainfall and slightly humid weather are the characteristics of the summer season in Kerala. When compared to other Indian states summer in Kerala is cool and pleasant, thanks to the Western Ghats which prevent the dry northern winds from entering the state and the Arabian Sea for the cool breeze that blows towards the land providing it with a moderate temperature. Summer rains accompanied by lightening and thunder is another feature of the season.
Kerala Summer Season
Starting from March, summer season continues till the end of May or the beginning of June and is concluded with the outset of monsoons. The annual range of temperature is comparatively low in Kerala. The coastal areas record a maximum temperature of 32 degree centigrade and a minimum of 22 degree centigrade. The interiors record a maximum of 37 degree centigrade during summer. In the coastal area it is hot and humid during April – May while cool during December – January.