Annual rainfall projection for Hong Kong

Under the intermediate (SSP2-4.5) and very high (SSP5-8.5) greenhouse gas emissions scenarios, the annual rainfall in Hong Kong in 2081-2100 is projected to increase by about 7.0% and 9.0% respectively, compared to the average of 1995-2014 (2456mm, at the reference station Hong Kong Observatory).

Projected change in annual rainfall of Hong Kong relative to the average of 1995-2014 under the intermediate (SSP2-4.5) and very high (SSP5-8.5) greenhouse gas emissions scenarios. (Data source: IPCC AR6)

» Annual rainfall projection data (updated)

» Observed change in annual rainfall

Data source:

Gutiérrez, J.M., R.G. Jones, G.T. Narisma, L.M. Alves, M. Amjad, I.V. Gorodetskaya, M. Grose, N.A.B. Klutse, S. Krakovska, J. Li, D. Martínez-Castro, L.O. Mearns, S.H. Mernild, T. Ngo-Duc, B. van den Hurk, and J.-H. Yoon, 2021: Atlas. In Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change [Masson-Delmotte, V., P. Zhai, A. Pirani, S.L. Connors, C. Péan, S. Berger, N. Caud, Y. Chen, L.Goldfarb, M.I. Gomis, M. Huang, K. Leitzell, E. Lonnoy, J.B.R. Matthews, T.K.Maycock, T. Waterfield, O. Yelekçi, R. Yu, and B. Zhou (eds.)]. Cambridge University Press. In Press. Interactive Atlas available from http://interactive-atlas.ipcc.ch/
The projections were based on limited digital data available at the website of Interactive Atlas as at December 2021.