Venezuela’s rainy season runs from May to December. During this period, there is the possibility of flooding in certain low-lying areas, such as the Llanos and in some valleys of the Andes. The dry season is from December to April, with January and February being the coolest months, and July and August being the warmest. The best time to visit the Andes mountains is from October to May, before the rains come in June. Venezuela’s weather is quite changeable, and even during the dry season there’s always a chance of rain. If you’re up in the northern mountainous region, you’re likely to encounter a good few downpours.