Climate Change in Hong Kong - Thunderstorms

In Hong Kong, thunderstorms normally occur between April and September. Thunderstorms are reported by observers at the Hong Kong Observatory Headquarters. Analysis showed that the increasing rate of annual number of thunderstorm days was 1.9 days per decade during 1947-2024.

Annual number of thunderstorm days recorded at the Hong Kong Observatory Headquarters (1947-2024)

Note: The increasing trend of annual number of thunderstorm days during 1947-2024 is statistically significant at 5% level.

» Number of days with thunderstorm