Uzbekistan has an extreme continental climate. It is generally warmest in the south and coldest in the north. Temperatures in December average -8°C (18°F) in the north and 0°C (32°F) in the south. However, extreme fluctuations can take temperatures as low as -35°C (-31°F). During the summer months, temperatures can climb to 45°C (113°F) and above. Humidity is low. The best time to visit is during the spring and autumn.