Physiography and Climate
Pathanamthitta city is located on the fertile banks of the River Achenkovil .It is situated in the southern region of Kerala, Pathanamthitta has nearly half of its total area under forest cover.
Situated near the western ghats and bordered by the hills, Pathanamthitta district is a treat to the eyes with its vast unending stretches of forests, rivers and rural landscapes. Blessed by nature, the district is famous for its scenic beauty, fairs and festivals.
Pathanamthiita, a true tropical diversity adorned with fertile agricultural land where plantations, Paddy, tapioca, varieties of vegetables and spices like cardamom, pepper etc. are extensively cultivated. The district known for it's extensive forest cover also abounds in rubber plantations.
The city enjoys a tropical climate, the monsoons start in June. The months of April–May can get pretty humid. The best weather is from October to February.
Pathanamthitta experiences three distinct seasons: summer, monsoon and winter. Typical summer months are from March to May. The warmest month in Pathanamthitta is April. Although summer doesn't end until May, the city often receives locally developed heavy thundershowers in May (although humidity remains high).
The monsoon lasts from June to August, with moderate rainfall. Most of the heavy rainfall in the city fall between June and July, and June is the wettest month of the year. Last weeks of June is also days of floods. The three major rivers viz Pampa, Achankovil and Manimala swell with rainwater.
Winter begins in December. December through February are the winter months. The lowest temperatures are experienced during January.
Pathanamthitta district has more or less the same climatic conditions as prevalent elsewhere in the state, Viz., dry seasons from December to February and hot seasons from March to May.The south west monsoon from June to September and the north west monsoon from October to November provide fairly good rains. The south west monsoon is usually very heavy and about 75% of the annual rainfall is received during this season.The climate is generally moderate, the temperature rising from 20c to 39c .