The dry season planting was carried out with irrigation between the period of 5th January and 14th March, while the wet season planting was conducted without irrigation between 29th March and 6th June 2013. Comparison was made between the results of plant growth parameters obtained for both seasons by using the Student t-test analysis. The growth and development parameters analysed were; number of leaves, vine length and number of internodes. The result of the analysis showed that there was significant difference in the performance of watermelon for the two seasons. The significant difference in number of leaves, vine length and number of internodes of watermelon grown in dry season significantly differed from that of wet season as the growth of watermelon in dry season was rapid and faster, while it was relatively slower during the wet season.