In the coming month of December, the dry conditions prevailing in most parts of the country which expected to create favorable conditions for the implementation of harvest and post-harvest activities. On the other hand, light to moderate moisture expected over the western, southern, southwestern, and southern half of the country which are in their second rainy season (Bega) will have a positive impact on the areas of southern Oromia that produce Bega crops as well as positive contribution of the provision of pasture and drinking water for pastoral and semi-pastoral areas. However, the expected occasional unseasonal rain may disrupt ongoing post-harvest activities in the northwestern, western, southwestern and eastern parts of the country, where crops like sesame, Teff, barley, oats, and wheat, as well as early-planted long-cycle crops such as maize and sorghum. Therefore, post-harvest activities should be undertaken promptly to avoid unnecessary harvest and post-harvest losses. Moreover the related with dry, windy and cloud free condition might encourage cold weather at night and morning time during the month over northern, eastern, central and southern highland. This condition is likely to be detrimental negative effect on the overall performance of vegetables, fruits and perennial plants. Therefore, farmers are advised to be ready to take the necessary measures so as to maintain the plant environment as warm as possible.