December weather forecast
Puerto Natales, Chile

December wraps up the year, inviting Puerto Natales into the warm embrace of summer. The notable rise in temperature from November sets the tone for the heat to come in January. As with most summer months, rainfall accumulates to 22mm (0.87") over seven days. With the highest daylight span of 16.6 hours, this city enjoys an extended period of sunshine. The average UV index reaches its maximum of 8, necessitating the need for protective measures against harmful solar rays.

Temperature

December in Puerto Natales registers an average high-temperature of a still refreshing 18°C (64.4°F), slightly varied from November's 17°C (62.6°F). Puerto Natales reports a consistent average low-temperature of 7°C (44.6°F) throughout December nights.

Humidity

The average relative humidity in December in Puerto Natales, Chile, is 74%.

Rainfall

In December, in Puerto Natales, the rain falls for 7 days. Throughout December, 22mm (0.87") of precipitation is accumulated. In Puerto Natales, Chile, during the entire year, the rain falls for 67 days and collects up to 290mm (11.42") of precipitation.

Snowfall

In Puerto Natales, snow does not fall in January through April, November and December.

Daylight

The month with the longest days in Puerto Natales is December, with an average of 16h and 36min of daylight.
On the first day of December in Puerto Natales, sunrise is at 05:29 and sunset at 21:49. On the last day of the month, sunrise is at 05:35 and sunset at 22:10 -03.

Sunshine

January, November and December, with an average of 8h of sunshine, are months with the most sunshine in Puerto Natales.

UV index

The months with the highest UV index in Puerto Natales are January and December, with an average maximum UV index of 8. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 8 during December translates into the following guidance:
Take extra precautions. Protection against sun damage is required. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.