Jamnagar comes under the category of semi-arid region, the city tend to have hot summers and mild to warm winters. Highest temperature recorded in the history of Jamnagar was 47 °C (117 °F) on May 5, 1990 while the lowest recorded temperature was 1 °C (34 °F) on February 5, 1984
October to December & January to March is ideal time to visit Jamnagar Gujarat.
October to March (winter): 12° C- 32° C
Winter is the best time to visit Jamnagar as the weather remains mild and pleasant.
March to May (Summer): 24° C- 40° C
Summer season in Jamnagar begins in the month of June; weather remains hot and humid during this time of the year.
June to September (monsoon) On an average, Jamnagar receives the substantial amount of rainfall, which is around 630 millimetres (25 in). Tropical cyclones sometimes affect the region.
See below for Jamnagar monthly temperature chart