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Annual rainfall projection for Hong Kong

Annual rainfall projection for Hong Kong

Temperature

Rainfall

Mean sea level

Annual
rainfall

Annual maximum
daily rainfall

Annual maximum
5-day rainfall

Annual number of
rain days

Annual number of
extreme rainfall days

Average
rainfall intensity

Annual maximum number of consecutive dry days

extremely wet and extremely dry years


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).

figure
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.