Climate in Rivera (Uruguay)

The climate of Rivera is subtropical (Köppen classification: humid subtropical climate - Cfa), with very mild winters (June to August) and hot summers (December to March). Rainfall is abundant and there is no dry season, however, winter is the relatively driest season, while in summer, rainfall often occurs in the form of thunderstorms. In fact, we are in the rainiest area of the country, where rainfall exceeds 1,500 mm (60 in) per year.
The city is located in the north-east of Uruguay, at almost 31 degrees south latitude and 200 meters (650 feet) above sea level, on the border with Brazil, beyond which lies the city of Santana do Livramento.



During the day it can get hot all year round, in fact the heat records are around 30 °C (86 °F) even in winter. Instead, from November to March, in summer, there can be heat waves, in which the temperature reaches 38/40 °C (100/104 °F). But the Pampero, the south wind, is able to interrupt the hot and sultry periods, bringing pleasant (and sometimes very cool) weather for two or three days.
In winter, from June to August, 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 10 °C (50 °F) during the day.

Best Time

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It is difficult to find the best time to visit Rivera. Winter is a very mild and relatively dry season, but it can sometimes be cold, especially at night, and there can also be periods of bad weather.
Spring and autumn are pleasantly warm seasons, and therefore can be preferred (for example, from mid-April to mid-May and the month of September), however they are very rainy, and there can be sudden changes in temperature.
Summer is the sunniest season, but it is hot and muggy, and thunderstorms can break out.

Rivera - Climate data

In Rivera, the average temperature of the coldest month (July) is of 12.9 °C (55.2 °F), that of the warmest month (January) is of 25.1 °C (77.2 °F). Here are the average temperatures.
Precipitation amounts to 1605 millimeters (63.2 inches) per year: it is therefore abundant. It ranges from 85 mm (3.3 in) in the driest month (August) to 180 mm (7.1 in) in the wettest one (April). Here is the average precipitation.
There are on average around 2435 sunshine hours per year. Here are the average hours of sunshine per day.

Rivera - 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. The average temperature is of 25.1 °C (77 °F), with a minimum of 18.8 °C (65.9 °F) and a maximum of 31.4 °C (88.6 °F).
On the coldest nights of the month, the temperature usually drops to around 12.5 °C (55 °F). However, it dropped to 9.7 °C (49.5 °F) in January 1991.
On the warmest days of the month, the temperature usually reaches around 37 °C (98.5 °F). However, it reached 40 °C (104 °F) in January 2006.
Precipitation amounts to 135 mm (5.3 in), distributed over 8 days.
The day lasts on average 13 hours and 55 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 66%.
The average wind speed is 12 kph (8 mph).

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February is generally a warm to hot month. The average temperature is of 24.2 °C (76 °F), with a minimum of 18.2 °C (64.8 °F) and a maximum of 30.1 °C (86.2 °F).
On the coldest nights of the month, the temperature usually drops to around 12 °C (53.5 °F). However, it dropped to 7 °C (44.6 °F) in February 1992.
On the warmest days of the month, the temperature usually reaches around 35 °C (95.5 °F). However, it reached 37.9 °C (100.2 °F) in February 2012.
Precipitation amounts to 160 mm (6.3 in), distributed over 7 days.
The day lasts on average 13 hours and 5 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 69%.
The average wind speed is 12 kph (7 mph).

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March is generally a warm to hot, muggy month. The average temperature is of 22.6 °C (73 °F), with a minimum of 16.7 °C (62.1 °F) and a maximum of 28.6 °C (83.4 °F).
On the coldest nights, the temperature usually drops to around 10 °C (50 °F). However, it dropped to 6.8 °C (44.2 °F) in March 2014.
On the warmest days, the temperature usually reaches around 34 °C (93 °F). However, it reached 39.8 °C (103.6 °F) in March 2006.
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 7 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 70%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).

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April is generally a warm month. The average temperature is of 19.5 °C (67 °F), with a minimum of 13.7 °C (56.7 °F) and a maximum of 25.2 °C (77.4 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 6 °C (42.5 °F). However, it dropped to 0 °C (32 °F) in April 1996.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 32 °C (89 °F). However, it reached 34.9 °C (94.8 °F) in April 2004.
Precipitation amounts to 180 mm (7.1 in), distributed over 7 days.
The day lasts on average 11 hours and 20 minutes.
There are on average 6 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 11 kph (7 mph).

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May is generally a very mild month. The average temperature is of 15.8 °C (61 °F), with a minimum of 10.6 °C (51.1 °F) and a maximum of 21 °C (69.9 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 3 °C (38 °F). However, it dropped to -0.6 °C (30.9 °F) in May 2008.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 27.5 °C (81.5 °F). However, it reached 31 °C (87.8 °F) in May 2009.
Precipitation amounts to 150 mm (5.9 in), distributed over 7 days.
The day lasts on average 10 hours and 30 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).

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June is generally a mild month. The average temperature is of 13.5 °C (56 °F), with a minimum of 8.4 °C (47 °F) and a maximum of 18.6 °C (65.4 °F).
On the coldest nights, the temperature usually drops to around 0.5 °C (32.5 °F). However, it dropped to -2.7 °C (27.1 °F) in June 1996.
On the warmest days, the temperature usually reaches around 26 °C (79 °F). However, it reached 29 °C (84.2 °F) in June 2006.
Precipitation amounts to 110 mm (4.3 in), distributed over 8 days.
The day lasts on average 10 hours and 10 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 44% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).

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July, the coldest month of the year, is generally a mild month. The average temperature is of 12.9 °C (55 °F), with a minimum of 7.5 °C (45.6 °F) and a maximum of 18.3 °C (64.9 °F).
On the coldest nights of the month, the temperature usually drops to around 0 °C (32 °F). However, it dropped to -2.5 °C (27.5 °F) in July 2007.
On the warmest days of the month, the temperature usually reaches around 27.5 °C (81 °F). However, it reached 29.8 °C (85.6 °F) in July 2005.
Precipitation amounts to 90 mm (3.5 in), distributed over 9 days.
The day lasts on average 10 hours and 25 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 12 kph (8 mph).

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August is generally a very mild month. The average temperature is of 14.7 °C (58 °F), with a minimum of 8.8 °C (47.8 °F) and a maximum of 20.6 °C (69.2 °F).
On the coldest nights of the month, the temperature usually drops to around 1.5 °C (34.5 °F). However, it dropped to -2 °C (28.4 °F) in August 1991.
On the warmest days of the month, the temperature usually reaches around 29.5 °C (85.5 °F). However, it reached 33.6 °C (92.5 °F) in August 1993.
Precipitation amounts to 85 mm (3.3 in), distributed over 8 days.
The day lasts on average 11 hours and 5 minutes.
There are on average 5.5 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 13 kph (8 mph).

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September is generally a very mild month. The average temperature is of 16 °C (61 °F), with a minimum of 10.3 °C (50.6 °F) and a maximum of 21.7 °C (71.1 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 3 °C (38 °F). However, it dropped to 0.4 °C (32.7 °F) in September 2006.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 31 °C (87.5 °F). However, it reached 36.1 °C (97 °F) in September 1994.
Precipitation amounts to 130 mm (5.1 in), distributed over 8 days.
The day lasts on average 12 hours and 0 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 14 kph (9 mph).

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October is generally a warm month. The average temperature is of 19 °C (66 °F), with a minimum of 13.2 °C (55.7 °F) and a maximum of 24.8 °C (76.6 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 6.5 °C (44 °F). However, it dropped to 2 °C (35.6 °F) in October 1999.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 32.5 °C (90.5 °F). However, it reached 36.4 °C (97.5 °F) in October 1993.
Precipitation amounts to 150 mm (5.9 in), distributed over 8 days.
The day lasts on average 12 hours and 55 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).

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November is generally a warm month. The average temperature is of 21.4 °C (71 °F), with a minimum of 15 °C (59.1 °F) and a maximum of 27.8 °C (82.1 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 8 °C (46.5 °F). However, it dropped to 4.1 °C (39.4 °F) in November 1992.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 34.5 °C (94 °F). However, it reached 37.2 °C (99 °F) in November 2011.
Precipitation amounts to 150 mm (5.9 in), distributed over 7 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 60% of the time.
The average humidity is 66%.
The average wind speed is 14 kph (8 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 23.9 °C (75 °F), with a minimum of 17.4 °C (63.3 °F) and a maximum of 30.5 °C (86.8 °F).
On the coldest nights of the month, the temperature usually drops to around 11 °C (51.5 °F). However, it dropped to 7 °C (44.6 °F) in December 1991.
On the warmest days of the month, the temperature usually reaches around 36 °C (97 °F). However, it reached 39.7 °C (103.5 °F) in December 1995.
Precipitation amounts to 125 mm (4.9 in), distributed over 6 days.
The day lasts on average 14 hours and 5 minutes. So the days are long. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.
There are on average 8.5 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 64%.
The average wind speed is 13 kph (8 mph).