###trip# Helsinki Spring temperature will be around 0 °C, you need to bring a thick windbreaker or cotton coat to keep out the cold. The summer climate is mild and there are no hot and hot weather conditions. The hottest season is from July to August, when the temperature difference between day and night is large, you can consider wearing a long sleeve, a short sleeve, a pair of jeans or slacks. Finnish weather is cold, even in September and October, you need to wear a thick windbreaker. In winter, the minimum temperature will reach minus 30 degrees Celsius, and the highest temperature is also minus 4-5 °C. Travelers need to wear thick down jackets and thermal underwear during winter travel. However, as long as Helsinki is indoors or in the car, it is still full of heat. If you can't stand the cold weather in winter, you can visit some indoor scenic spots.