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Climate - Santa Maria (Rio Grande do Sul)


Average weather, temperature, rainfall, sunshine hours

Flag - Brazil

Santa Maria, where it is located


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Climate chart - Santa Maria
The climate of Santa Maria is subtropical, with very mild winters (from May to August) and hot summers (from December to March). The rains are abundant and quite frequent all year round.
The city is located in the center of Rio Grande do Sul, the southernmost of the Brazilian states, at 29 degrees south latitude.
In winter, from May to August (but sometimes also in September), there can be cold waves from the south, during which the temperature can drop to the freezing point or a little below at night, and can remain around 8/12 °C (46/54 °F) during the day. In July 1975 it dropped to -3 °C (26.5 °F).
In autumn and winter, fog can form at night and in the early morning.
In summer, on the other hand, there can be heat waves.

Santa Maria

Best Time



There is no perfect time to visit Santa Maria. From May to August, temperatures are normally mild, however, it can get cold at times. You can then choose the period from mid-April to mid-May, in which temperatures are intermediate between winter and summer and the rains are not too frequent.

Santa Maria - Climate data


In Santa Maria, the average temperature of the coldest month (July) is of 14.1 °C (57.4 °F), that of the warmest month (January) is of 25.7 °C (78.2 °F). Here are the average temperatures.
Santa Maria - Average temperatures (1991-2020)
MonthMin (°C)Max (°C)Mean (°C)Min (°F)Max (°F)Mean (°F)
January213125.7698778.2
February203025.4698777.7
March182923.5658474.3
April152620.6607969.2
May122217547162.6
June112015.1516759.2
July91914.1496657.4
August112216.7527262
September132317.7557363.9
October152520.4607868.8
November172822.7628372.8
December193125678777
Year15.225.420.2559.477.768.5

In Santa Maria, precipitation amounts to 1615 millimeters (63.6 inches) per year: it is therefore abundant. It ranges from 120 mm (4.7 in) in the driest months (April, November) to 165 mm (6.5 in) in the wettest one (January). Here is the average precipitation.
Santa Maria - Average precipitation
MonthMillimetersInchesDays
January1656.59
February1254.98
March1355.38
April1204.76
May1305.18
June1405.58
July1455.79
August1405.59
September1254.98
October1305.18
November1204.77
December1405.58
Year161563.696

In Santa Maria, there are on average around 2165 sunshine hours per year. Here are the average hours of sunshine per day.
Santa Maria - Sunshine hours
MonthAverageTotal
January7.5225
February7200
March6185
April5.5170
May5150
June4125
July4.5135
August4.5140
September5.5160
October6.5205
November7.5225
December8245
Year5.92165

Santa Maria - Weather by month

Based on the period 1991-2020
(January - February - March - April - May - June - July - August - September - October - November - December)


In January, the hottest month of the year, the weather in Santa Maria is usually warm to hot and muggy. The average temperature is of 25.7 °C (78 °F), with a minimum of 20.7 °C (69.2 °F) and a maximum of 30.7 °C (87.2 °F).
On the coldest nights of the month, the temperature usually drops to around 15.5 °C (60 °F). However, it dropped to 12 °C (53.6 °F) in January 2013.
On the warmest days of the month, the temperature usually reaches around 36.5 °C (97.5 °F). However, it reached 38.6 °C (101.5 °F) in January 2006.
Precipitation amounts to 165 mm (6.5 in), distributed over 9 days.
The day lasts on average 13 hours and 50 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).



In February, the weather in Santa Maria is usually warm to hot and muggy. The average temperature is of 25.4 °C (78 °F), with a minimum of 20.4 °C (68.8 °F) and a maximum of 30.4 °C (86.6 °F).
On the coldest nights of the month, the temperature usually drops to around 14.5 °C (57.5 °F). However, it dropped to 10 °C (50 °F) in February 2020.
On the warmest days of the month, the temperature usually reaches around 36 °C (97 °F). However, it reached 40 °C (104 °F) in February 2012.
Precipitation amounts to 125 mm (4.9 in), distributed over 8 days.
The day lasts on average 13 hours and 5 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).



In March, the weather in Santa Maria is usually warm to hot and muggy. The average temperature is of 23.5 °C (74 °F), with a minimum of 18.3 °C (65 °F) and a maximum of 28.6 °C (83.6 °F).
On the coldest nights, the temperature usually drops to around 11 °C (51.5 °F). However, it dropped to 8 °C (46.4 °F) in March 2012.
On the warmest days, the temperature usually reaches around 35.5 °C (96 °F). However, it reached 40 °C (104 °F) in March 2020.
Precipitation amounts to 135 mm (5.3 in), distributed over 8 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 49% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).



In April, the weather in Santa Maria is usually warm. The average temperature is of 20.6 °C (69 °F), with a minimum of 15.3 °C (59.6 °F) and a maximum of 26 °C (78.7 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 8 °C (46.5 °F). However, it dropped to 4 °C (39.2 °F) in April 2008.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 33.5 °C (92 °F). However, it reached 37 °C (98.6 °F) in April 2012.
Precipitation amounts to 120 mm (4.7 in), distributed over 6 days.
The day lasts on average 11 hours and 20 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).



In May, the weather in Santa Maria is usually very mild. The average temperature is of 17 °C (63 °F), with a minimum of 12.4 °C (54.4 °F) and a maximum of 21.6 °C (70.8 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 4 °C (39 °F). However, it dropped to 1 °C (33.8 °F) in May 2008.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 29.5 °C (85.5 °F). However, it reached 32.5 °C (90.5 °F) in May 1992.
Precipitation amounts to 130 mm (5.1 in), distributed over 8 days.
The day lasts on average 10 hours and 35 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).



In June, the weather in Santa Maria is usually very mild. The average temperature is of 15.1 °C (59 °F), with a minimum of 10.6 °C (51 °F) and a maximum of 19.6 °C (67.3 °F).
On the coldest nights, the temperature usually drops to around 0.5 °C (33 °F). However, it dropped to -2.5 °C (27.5 °F) in June 1996.
On the warmest days, the temperature usually reaches around 28.5 °C (83.5 °F). However, it reached 33 °C (91.4 °F) in June 2001.
Precipitation amounts to 140 mm (5.5 in), distributed over 8 days.
The day lasts on average 10 hours and 20 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
There are on average 4 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).



In July, the coldest month of the year, the weather in Santa Maria is usually mild. The average temperature is of 14.1 °C (57 °F), with a minimum of 9.4 °C (48.9 °F) and a maximum of 18.9 °C (65.9 °F).
On the coldest nights of the month, the temperature usually drops to around 0.5 °C (32.5 °F). However, it dropped to -2 °C (28.4 °F) in July 2009.
On the warmest days of the month, the temperature usually reaches around 29 °C (84 °F). However, it reached 33 °C (91.4 °F) in July 2001.
Precipitation amounts to 145 mm (5.7 in), distributed over 9 days.
The day lasts on average 10 hours and 30 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).



In August, the weather in Santa Maria is usually very mild. The average temperature is of 16.7 °C (62 °F), with a minimum of 11.2 °C (52.2 °F) and a maximum of 22.1 °C (71.8 °F).
On the coldest nights of the month, the temperature usually drops to around 2 °C (36 °F). However, it dropped to -1 °C (30.2 °F) in August 1991.
On the warmest days of the month, the temperature usually reaches around 32.5 °C (90.5 °F). However, it reached 35 °C (95 °F) in August 2000.
Precipitation amounts to 140 mm (5.5 in), distributed over 9 days.
The day lasts on average 11 hours and 5 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).



In September, the weather in Santa Maria is usually very mild. The average temperature is of 17.7 °C (64 °F), with a minimum of 12.7 °C (54.9 °F) and a maximum of 22.7 °C (72.9 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 4.5 °C (40 °F). However, it dropped to -1.4 °C (29.5 °F) in September 2006.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 33 °C (91 °F). However, it reached 37 °C (98.6 °F) in September 2011.
Precipitation amounts to 125 mm (4.9 in), distributed over 8 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).



In October, the weather in Santa Maria is usually warm. The average temperature is of 20.4 °C (69 °F), with a minimum of 15.5 °C (59.9 °F) and a maximum of 25.4 °C (77.7 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 8 °C (46.5 °F). However, it dropped to 4 °C (39.2 °F) in October 2010.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 34.5 °C (93.5 °F). However, it reached 38 °C (100.4 °F) in October 2019.
Precipitation amounts to 130 mm (5.1 in), distributed over 8 days.
The day lasts on average 12 hours and 55 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).



In November, the weather in Santa Maria is usually warm to hot. The average temperature is of 22.7 °C (73 °F), with a minimum of 16.9 °C (62.4 °F) and a maximum of 28.4 °C (83.2 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 10.5 °C (51 °F). However, it dropped to 7 °C (44.6 °F) in November 1999.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 36 °C (97 °F). However, it reached 40 °C (104 °F) in November 2010.
Precipitation amounts to 120 mm (4.7 in), distributed over 7 days.
The day lasts on average 13 hours and 35 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 67%.
The average wind speed is 12 kph (7 mph).



In December, the weather in Santa Maria is usually warm to hot. The average temperature is of 25.0 °C (77 °F), with a minimum of 19.3 °C (66.7 °F) and a maximum of 30.8 °C (87.4 °F).
On the coldest nights of the month, the temperature usually drops to around 12.5 °C (55 °F). However, it dropped to 9 °C (48.2 °F) in December 2018.
On the warmest days of the month, the temperature usually reaches around 38 °C (100.5 °F). However, it reached 41.2 °C (106.2 °F) in December 1995.
Precipitation amounts to 140 mm (5.5 in), distributed over 8 days.
The day lasts on average 14 hours and 0 minutes. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.
There are on average 8 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 66%.
The average wind speed is 11 kph (7 mph).

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