Climate in Santiago Del Estero (Argentina)

The climate of Santiago del Estero is subtropical (according to the Köppen classification, hot semi-arid climate - BSh), with very mild, dry winters (from late May to mid-August) and hot, rainy summers (from December to March). In summer, the rains often occur in the form of thunderstorms, while in the rest of the year it doesn't rain much. In spring, at the end of a long dry season, dust-laden winds can blow.
The city is located in northern Argentina, at nearly 28 degrees south latitude, and 190 meters (625 feet) above sea level. The Andes are not far away: the first foothills are located about 130 km (80 mi) to the west.



In winter, the difference in temperature between night and day is often noticeable. Also, even though the winter is mild, there can sometimes be periods a bit cold, especially at night, when the temperature can drop to around freezing or a little below. This typically happens from late May to early September. In July 1975 the temperature dropped to -9 °C (16 °F), while in July 2007 it dropped to -8.5 °C (16.5 °F).
During the day it can get hot all year round, in fact, the heat records exceed 30 °C (86 °F) even in winter. The hottest days of the year are generally recorded in spring, in October and November. However, from September to March, there can be heat waves, in which the temperature reaches or exceeds 38/40 °C (100/104 °F).
In December 2013, the temperature reached 45 °C (113 °F), and the average high for the month was 39 °C (102 °F). In January 2022 it reached 45.6 °C (114.1 °F), and the average high was 38 °C (100.5 °F).

Best Time

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It is difficult to find the best time to visit Santiago del Estero, as the city is subject to temperature changes. In winter, from late May to mid-August, temperatures are generally mild and rainfall rare, so you can choose this period, but it must be said that sometimes it can get cold, especially at night. You can then choose the period from mid-April to mid-May, in which both temperature and rainfall are halfway between winter and summer.

Santiago Del Estero - Climate data

In Santiago Del Estero, the average temperature of the coldest month (July) is of 12.9 °C (55.2 °F), that of the warmest month (January) is of 27.4 °C (81.4 °F). Here are the average temperatures.
Precipitation amounts to 650 millimeters (25.6 inches) per year: so, it is at an intermediate level. It ranges from 1.6 mm (0.1 in) in the driest month (July) to 139.3 mm (5.5 in) in the wettest one (January). Here is the average precipitation.
There are on average around 2340 sunshine hours per year. Here are the average hours of sunshine per day.

Santiago del Estero - Weather by month

Based on the period 1991-2020

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January, the hottest month of the year, is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 27.4 °C (81 °F), with a minimum of 20.7 °C (69.3 °F) and a maximum of 34.2 °C (93.6 °F).
On the coldest nights of the month, the temperature usually drops to around 14.5 °C (58 °F). However, it dropped to 11.8 °C (53.2 °F) in January 2010.
On the warmest days of the month, the temperature usually reaches around 41 °C (106 °F). However, it reached 44.5 °C (112.1 °F) in January 2005.
Precipitation amounts to 139.3 mm (5.5 in), distributed over 8 days.
The day lasts on average 13 hours and 40 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 63%.
The average wind speed is 9 kph (6 mph).

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February is generally a warm to hot month. The average temperature is of 26.4 °C (79 °F), with a minimum of 20 °C (68 °F) and a maximum of 32.7 °C (90.9 °F).
On the coldest nights of the month, the temperature usually drops to around 13.5 °C (56 °F). However, it dropped to 9.4 °C (48.9 °F) in February 1996.
On the warmest days of the month, the temperature usually reaches around 39.5 °C (103 °F). However, it reached 44.3 °C (111.7 °F) in February 2003.
Precipitation amounts to 106.5 mm (4.2 in), distributed over 7 days.
The day lasts on average 13 hours and 0 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 66%.
The average wind speed is 9 kph (6 mph).

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March is generally a warm to hot month. The average temperature is of 24.5 °C (76 °F), with a minimum of 18.5 °C (65.3 °F) and a maximum of 30.5 °C (86.9 °F).
On the coldest nights, the temperature usually drops to around 11 °C (52 °F). However, it dropped to 5.5 °C (41.9 °F) in March 2018.
On the warmest days, the temperature usually reaches around 37.5 °C (99.5 °F). However, it reached 41.7 °C (107.1 °F) in March 1993.
Precipitation amounts to 94.3 mm (3.7 in), distributed over 7 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 70%.
The average wind speed is 8 kph (5 mph).

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April is generally a warm month. The average temperature is of 20.8 °C (69 °F), with a minimum of 14.9 °C (58.8 °F) and a maximum of 26.7 °C (80.1 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 5.5 °C (41.5 °F). However, it dropped to -1.4 °C (29.5 °F) in April 1999.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 34 °C (93 °F). However, it reached 38.3 °C (100.9 °F) in April 1995.
Precipitation amounts to 39.9 mm (1.6 in), distributed over 5 days.
The day lasts on average 11 hours and 25 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).

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May is generally a very mild month. The average temperature is of 16.9 °C (62 °F), with a minimum of 10.7 °C (51.3 °F) and a maximum of 23.1 °C (73.6 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 1 °C (34 °F). However, it dropped to -6.8 °C (19.8 °F) in May 2008.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 30.5 °C (87 °F). However, it reached 35 °C (95 °F) in May 1997.
Precipitation amounts to 16 mm (0.6 in), distributed over 3 days.
The day lasts on average 10 hours and 40 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 7 kph (5 mph).

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June is generally a mild month. However, there are remarkable differences between night and day. The average temperature is of 13.8 °C (57 °F), with a minimum of 7.1 °C (44.8 °F) and a maximum of 20.4 °C (68.7 °F).
On the coldest nights, the temperature usually drops to around -3 °C (27 °F). However, it dropped to -6.5 °C (20.3 °F) in June 1996.
On the warmest days, the temperature usually reaches around 27.5 °C (81.5 °F). However, it reached 31 °C (87.8 °F) in June 2013.
Precipitation amounts to only 9.3 mm (0.4 in), distributed over 2 days.
The day lasts on average 10 hours and 25 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
There are on average 4.5 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 69%.
The average wind speed is 7 kph (4 mph).

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July, the coldest month of the year, is generally a mild month. However, there are remarkable differences between night and day. The average temperature is of 12.9 °C (55 °F), with a minimum of 4.9 °C (40.8 °F) and a maximum of 20.9 °C (69.6 °F).
On the coldest nights of the month, the temperature usually drops to around -4 °C (24.5 °F). However, it dropped to -8.5 °C (16.7 °F) in July 2007.
On the warmest days of the month, the temperature usually reaches around 30 °C (86 °F). However, it reached 37 °C (98.6 °F) in July 1997.
Precipitation amounts to only 1.6 mm (0.1 in), and all occurs in one day.
The day lasts on average 10 hours and 35 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 58%.
The average wind speed is 9 kph (5 mph).

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August is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of 16 °C (61 °F), with a minimum of 7.2 °C (45 °F) and a maximum of 24.8 °C (76.6 °F).
On the coldest nights of the month, the temperature usually drops to around -2.5 °C (27.5 °F). However, it dropped to -6.3 °C (20.7 °F) in August 1999.
On the warmest days of the month, the temperature usually reaches around 35 °C (95.5 °F). However, it reached 39.3 °C (102.7 °F) in August 1997.
Precipitation amounts to only 3.5 mm (0.1 in), distributed over 0 days.
The day lasts on average 11 hours and 10 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 48%.
The average wind speed is 10 kph (6 mph).

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September is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of 19.2 °C (67 °F), with a minimum of 10.8 °C (51.4 °F) and a maximum of 27.6 °C (81.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 0.5 °C (33 °F). However, it dropped to -4.5 °C (23.9 °F) in September 2008.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 37.5 °C (99.5 °F). However, it reached 42.8 °C (109 °F) in September 1994.
Precipitation amounts to 10 mm (0.4 in), distributed over 2 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 46%.
The average wind speed is 11 kph (7 mph).

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October is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 23.1 °C (74 °F), with a minimum of 15.6 °C (60.1 °F) and a maximum of 30.6 °C (87.1 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 6.5 °C (43.5 °F). However, it dropped to 2.5 °C (36.5 °F) in October 1991.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 40.5 °C (104.5 °F). However, it reached 44.5 °C (112.1 °F) in October 2009.
Precipitation amounts to 55.2 mm (2.2 in), distributed over 5 days.
The day lasts on average 12 hours and 50 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 52%.
The average wind speed is 11 kph (7 mph).

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November is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 25.3 °C (78 °F), with a minimum of 18.1 °C (64.6 °F) and a maximum of 32.5 °C (90.5 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 9.5 °C (49.5 °F). However, it dropped to 4 °C (39.2 °F) in November 2016.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 40.5 °C (105.5 °F). However, it reached 46.5 °C (115.7 °F) in November 2009.
Precipitation amounts to 71.8 mm (2.8 in), distributed over 6 days.
The day lasts on average 13 hours and 30 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 55%.
The average wind speed is 11 kph (7 mph).

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December is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 27.2 °C (81 °F), with a minimum of 20.2 °C (68.4 °F) and a maximum of 34.1 °C (93.4 °F).
On the coldest nights of the month, the temperature usually drops to around 13.5 °C (56 °F). However, it dropped to 6.2 °C (43.2 °F) in December 2010.
On the warmest days of the month, the temperature usually reaches around 41.5 °C (107 °F). However, it reached 45 °C (113 °F) in December 2013.
Precipitation amounts to 105 mm (4.1 in), distributed over 8 days.
The day lasts on average 13 hours and 55 minutes. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.
There are on average 7.5 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 59%.
The average wind speed is 10 kph (6 mph).