Climate in Santa Cruz

Average daytime and nighttime temperatures

All climatic diagrams on this site result from the collected data from 7 measuring stations in Santa Cruz.
All data correspond to the average monthly values of the last 20 years.

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Santa Cruz is one of the coldest regions in Argentina with an average daily high temperature of only 15 degrees centigrade. The climate widely corresponds to Central European weather conditions. It is cold, wet and a few beautiful summer months are also happening during a year. Due to the warmer temperatures the best time for traveling is from December to February. Nearly unattractive for tourists are the cold months from May to September.
Overview: Climate in Argentina
Daylengths and sun positions in Argentina
Compare climate with other regions or countries
Hours of sunshine per daySunshine hours per day in Santa Cruz
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 9 hours per day, January is the sunniest month in country part Santa Cruz. In June the sun shines the shortest.
Rainy days per monthRainy days per month in Santa Cruz
A rainy day is a day on which at least an amount of 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 5 rainy days, June offers the most number of rainy days, and in October the least.
Precipitation in mm/dayPrecipitation in Santa Cruz
The amount of precipitation is measured in millimeters per square meter. Thus, at 2 mm/day, 2 liters of water fall on one square meter within 24 hours. With only 0.43 mm, the least rain falls in October. May, on the other hand, has the most rain.
Relative humidity in %Relative humidity in Santa Cruz
Warm air can absorb more moisture than cold air. The relative humidity indicates how much moisture of the physically possible is actually contained in the air. At high humidity, the person feels uncomfortable and perceives this as oppressive. In general, a relative humidity of 40-60% gives as pleasant. With only 53% humidity on average, it is quite dry in December. The highest value of 81% is experienced here in July.
Absolute humidity in g/m³Absolute humidity in Santa Cruz
In warm months, there is also a higher absolute humidity almost everywhere. At a temperature of 25°C, air can absorb up to 23 grams of water per cubic meter. At 20°C, it is only 17.3 grams. A relative humidity of 40% at 25°C thus corresponds to an absolute humidity of 9.2 grams of water. From a proportion of approx. 13.5 grams, humans perceive the air as muggy.
Humidex in °CHumidex in Santa Cruz
The "Humidex" (humidity index) is an index of well-being in warmer areas, calculated from the air temperature, relative humidity and dew point. The index corresponds approximately to the temperature felt. At high temperatures, the body transports heat away by sweating. At high humidity the ambient air can only absorb a small amount of sweat and thus one feels uncomfortable. An index of 20-29 is considered comfortable. Up to 39, people perceive the air as slightly uncomfortable, and above 40, as very uncomfortable. Values above 45 are dangerous in the long run and often lead to heat stroke.
Map of Santa Cruz

Most important cities in the country part »Santa Cruz«

The country part has a west-east extension of about 470 km and over 580 km from north to south.

Río Gallegos85,70051° 37' 21"S69° 13' 5"W
Caleta Olivia36,07746° 26' 21"S67° 31' 41"W
Pico Truncado14,98546° 47' 42"S67° 57' 26"W
Puerto Deseado10,23747° 45' 1"S65° 53' 38"W
Las Heras9,30346° 32' 31"S68° 56' 9"W
El Calafate8,00050° 20' 27"S72° 16' 37"W
Yacimiento Río Turbio6,65051° 34' 24"S72° 21' 3"W
Río Turbio6,65051° 32' 9"S72° 20' 12"W
San Julián6,14349° 18' 20"S67° 43' 39"W
28 de Noviembre4,68651° 35' 2"S72° 12' 50"W
Comandante Luis Piedra Buena4,17649° 59' 6"S68° 54' 53"W
Perito Moreno3,58846° 35' 24"S70° 55' 47"W
Puerto Santa Cruz3,39750° 1' 9"S68° 31' 24"W

Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants:, United Nations Statistics Division and own research.
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