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Monthly climate in Puerto Williams, Region of Magallanes, Chile

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Puerto Williams features a ice cap climate ET).Temperatures typically range between 1 °C (33 °F) and 9 °C (49 °F) through the year, but rarely can drop to -12 °C (11 °F) or can rise to as high as 25 °C (78 °F).The average annual precipitation amounts to about 939 mm (37.0 inches) and receives 211 rainy days on the 1 mm (0.04 inches) threshold annually.Puerto Williams enjoys an average of 2553 hours of sunshine throughout the year, and daylight varies from 7 hours 14 minutes to 17 hours 13 minutes per day.

Monthly average temperatures in Puerto Williams, Region of Magallanes, Chile §

The warmest months in Puerto Williams are January, February and December, with daily mean temperatures ranging from 9 to 9 °C (48 - 49 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 1 to 2 °C (33 - 35 °F) throughout the day. On average each year, Puerto Williams experiences 0 days above 25 °C (77.0 °F) and 95 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Puerto Williams, Region of Magallanes, Chile.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 22°C
(72°F)		 25°C
(78°F)		 19°C
(66°F)		 19°C
(67°F)		 14°C
(57°F)		 9°C
(49°F)		 10°C
(50°F)		 11°C
(51°F)		 15°C
(59°F)		 17°C
(63°F)		 20°C
(68°F)		 20°C
(69°F)
Mean maximum 19°C
(66°F)		 21°C
(71°F)		 17°C
(62°F)		 14°C
(58°F)		 11°C
(53°F)		 7°C
(46°F)		 8°C
(47°F)		 9°C
(49°F)		 13°C
(56°F)		 15°C
(59°F)		 19°C
(66°F)		 19°C
(66°F)
Average high 12°C
(54°F)		 13°C
(56°F)		 11°C
(52°F)		 9°C
(48°F)		 6°C
(43°F)		 3°C
(38°F)		 3°C
(38°F)		 5°C
(41°F)		 7°C
(44°F)		 9°C
(48°F)		 11°C
(52°F)		 12°C
(55°F)
Daily mean 9°C
(48°F)		 9°C
(49°F)		 8°C
(46°F)		 6°C
(42°F)		 4°C
(39°F)		 1°C
(33°F)		 1°C
(33°F)		 2°C
(35°F)		 3°C
(38°F)		 5°C
(41°F)		 7°C
(46°F)		 9°C
(48°F)
Average low 6°C
(42°F)		 6°C
(43°F)		 5°C
(41°F)		 2°C
(37°F)		 1°C
(34°F)		 -3°C
(28°F)		 -2°C
(28°F)		 -2°C
(29°F)		 -1°C
(31°F)		 1°C
(34°F)		 3°C
(38°F)		 5°C
(41°F)
Mean minimum 2°C
(35°F)		 2°C
(36°F)		 0°C
(33°F)		 -2°C
(29°F)		 -5°C
(23°F)		 -7°C
(20°F)		 -9°C
(16°F)		 -7°C
(19°F)		 -7°C
(20°F)		 -4°C
(25°F)		 -1°C
(31°F)		 1°C
(34°F)
Minimum 0°C
(33°F)		 1°C
(34°F)		 -1°C
(31°F)		 -5°C
(24°F)		 -9°C
(17°F)		 -10°C
(13°F)		 -11°C
(12°F)		 -10°C
(13°F)		 -12°C
(11°F)		 -6°C
(21°F)		 -2°C
(29°F)		 -1°C
(31°F)

Compare climate in Puerto Williams with other places

Compare temperature, precipitation, sunshine, UV index in Puerto Williams, Region of Magallanes, Chile with other places around the world.

Monthly average precipitation in Puerto Williams, Region of Magallanes, Chile §

Puerto Williams usually has the most precipitation in January, February and December, with an average of 21 rainy days and 110 mm (4.3 inches) of precipitation per month.The driest months in Puerto Williams are June, July and September. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Puerto Williams, Region of Magallanes, Chile.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 120 (4.7) 106 (4.2) 97 (3.8) 70 (2.8) 65 (2.5) 48 (1.9) 38 (1.5) 65 (2.6) 62 (2.4) 72 (2.8) 93 (3.7) 103 (4.0)
Average precipitation days (≥ 1 mm) 22 19 19 16 16 13 13 16 15 19 20 23

Monthly sunshine hours in Puerto Williams, Region of Magallanes, Chile §

The sunniest months in Puerto Williams are October, November and December, when the sun shines an average of 10 hours 4 minutes a day.Least sunny months in Puerto Williams: May, June and July receive an average of 3 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Puerto Williams, Region of Magallanes, Chile.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 240 241 215 177 131 101 123 174 221 282 312 332
Mean daily daylight hours 16h 34m 14h 40m 12h 26m 10h 11m 8h 15m 7h 14m 7h 48m 9h 33m 11h 42m 13h 57m 16h 3m 17h 13m

Solar UV radiation in Puerto Williams, Region of Magallanes, Chile §

Puerto Williams experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 9 - 12, which corresponds to the Very High / Extreme category of sun exposure.May, June and July are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Puerto Williams UV Index data.

Average daily maximum UV levels by month for Puerto Williams, Region of Magallanes, Chile.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 9 8 6 3 2 1 1 3 5 9 12 11