January weather forecast
Valparaíso, Chile

The start of the year in Valparaíso, Chile, brings pleasant weather with a sense of freshness that complements the sunny days. January generally implies consistent weather patterns with no abrupt changes. In this month, temperatures show a range from 13.5°C (56.3°F) to 20.8°C (69.4°F), manifesting the city's mild summer atmosphere. High UV index indicates the importance of sunscreen while stepping out during the daylight. The generally dry weather conditions make January ideal for outdoor activities, especially around the beaches.

Temperature

The average temperatures reach their apex in January, averaging 20.8°C (69.4°F) at the high end and 13.5°C (56.3°F) at the low end.

Humidity

The average relative humidity in January in Valparaíso is 72%.

Rainfall

January is the last month it rains. During 0.1 rainfall days, in January, Valparaíso aggregates 0mm (0") of precipitation. Throughout the year, there are 26.6 rainfall days, and 373mm (14.69") of precipitation is accumulated.

Sea temperature

In Valparaíso, in January, the average water temperature is 17.5°C (63.5°F).
Note: Swimming is not enjoyable for most people in water that is 17.5°C (63.5°F). As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing control becomes harder.

Daylight

In January, the average length of the day is 14h and 2min.
On the first day of the month, sunrise is at 06:41 and sunset at 20:58. On the last day of January, in Valparaíso, sunrise is at 07:08 and sunset at 20:51 -03.

Sunshine

The month with the most sunshine is January, with an average of 9h of sunshine.

UV index

The months with the highest UV index in Valparaíso are January and December, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In January, the maximum UV index of 12 translates into these guidelines:
Employ every precaution of importance, unprotected skin and eyes could burn within moments. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.