Tanzania weather varies on the mountains, the costal plains and in the northern, eastern and southern part of the country. The weather in the mountains of Tanzania often reaches below the freezing point and remains cool all throughout the year. Tanzanian weather along the coasts is tropical and carries lots of moisture from the Indian Ocean, making the place humid.
The central, western and northern Tanzania mainly comprise of highlands and plateaus. Though the temperature remains moderate during most of the time in the year, it often soars high in the summer months. Humidity in these places is relatively low compared to other parts of Tanzania.
Weather in the central part of Tanzania is dry due to scanty rainfall in this area. The areas are semi-arid and the rainfall in central Tanzania is below normal. The northeast and southwest regions in Tanzania are primarily mountainous areas, where weather conditions are pleasant during daytime and summer, and is utterly chilly in winter.