Abstract: In this study, the Mann-Kendall test and Morlet wavelet analysis were used to lucubrate the variation of precipitation and its relationship with the relative number of sunspots in the Ankang region in recent 63 years based on the data of relative annual number of sunspots and daily precipitation observed by Ankang Meteorological Station, Ankang Meteorological Bureau during the period of 1953-2015. The results showed that, in the Ankang region, the annual and summer precipitations were significantly increased with increments of 0.99 mm·a^-1 and 1.65 mm·a^-1 respectively. The spring, autumn and winter precipitations were decreased slightly with reductions of 0.26 mm·a^-1, 0.35 mm·a^-1 and 0.06 mm·a^-1 respectively. Precipitation occurred mainly in summer and autumn. There was a 0-3 a time lag of the anomaly of extreme precipitation than the occurrence of peak-valley value of relative sunspot number. There were the significant 3 a and 28 a variation periods of annual precipitation in the Ankang region, which was different from the 9 year variation period of relative sunspot number.

Key words: precipitation, sunspot, moving average, wavelet analysis, Ankang region