Due to climate variability and its changes roles on agricultural production and its sustainability, the objective of this study was to provide a method for the analysis of climate, based on the annual pattern of precipitation and temperature. Accordingly, the Zayandehrud basin was investigated in five study region, including Morghab, Shordhaghan, Plasajan, Khoshk rud, and Zarchshmeh, Rahimi, Ghavkhuni, through 1351 to 1390 period. Accordingly, the pattern of precipitation and temperature in these areas were identified, using their statistics, and based on high or low precipitation and hot or cold months. Then, the parametric and nonparametric tests were used to verify the existence of trend (in annual and monthly scale). The five study area have different weather conditions, so that their average annual precipitation vary from 300 mm (region 4) to less than 130 mm (region 5), also region 4 with average temperature of 11 degrees and region 1 and 3 with 14 degrees were known as the coldest and the hottest area, respectively. At the same time, the results showed that the pattern of precipitation and temperature in these regions is similar to each other, and the month of November to April, having a uniform distribution, can be considered as the major months related to precipitation. Also, May to October were known as warmer months and November to March as colder months. Moreover, trend analysis showed that precipitation and average temperature in these regions were under the influence of the highest and lowest "variability", and yet have had the lowest and the highest "trend". Precipitation value in monthly and annual scale (except in region 4 at April) did not show trend, in spite of the temperature parameters that verify increasing trend, though these trends cannot be exclusively said to be related to hot or cold months of the year.