Climate and monthly weather forecastRivera, Uruguay
Climate and monthly weather forecast
The climate of Rivera
The city under consideration, Rivera, sits in a Humid Subtropical climate zone, otherwise known by the Köppen climate classification as Cfa. Given this classification, Rivera basks in high rainfall all year round, with no significant dry month. Positioned in Uruguay, the city straddles the border, partially located in both Uruguay and Brazil.Matthewing through weather data uncovers the fluctuating nature of Rivera's weather. Maximum temperatures vary from a low of 16.5°C (61.7°F) in July to a high of 30.5°C (86.9°F) in January whereas minimum temperatures show a range from 8°C (46.4°F) in July to 18.5°C (65.3°F) in January. This pattern delineates a hot summer and a mild to cool winter, setting the pace for the city's yearly weather rhythm.
Rivera's climate also exhibits distinct variations in rainfall, humidity, daylight hours, and winds. Rainfall dribbles between 57mm (2.24") in the driest month of August to 98mm (3.86") in the wettest months of May and November. Humidity hovers in the high 60s to mid 80s, with the most humid months being May and June at 83%. Daylight time ranges from 10.2 hours in June to 14.1 hours in December, paralleled with a sunshine duration varying from a low 5.3 hours in June to a high 10.2 hours in December. The maximum island appears in November and the minimum in April.
Unique climatic traits shape Rivera's calendar, with a standout factor being the absence of a dry season. Regardless of rainfall appearing somewhat evenly spread throughout the year, May and November record the peaks with 98mm (3.86") each. Concurrently, temperatures hit the ceiling in the summer months, making them the hottest parts of the year.
The best time to visit Rivera
Weather appraisal points out the period between September and November as the best time to visit Rivera. Temperatures during this period are more moderate, swinging between 10.6°C (51.1°F) and 26.9°C (80.4°F). This creates a comfortable middle ground, devoid of the sweltering heat prevalent in the summer months or the brisk chill that marks the winter months. Despite this phase becoming the second rainiest season with around 78mm (3.07") to 98mm (3.86") rainfall, ample sunlight is still available with a daily average of 7.2 hours to 9.9 hours of sunshine.The worst time to visit Rivera
The period from May to July is not recommended for visits. Weather data reveals these months as the coldest of the year, with average temperatures plunging to between 8°C (46.4°F) and 17°C (62.6°F). Notably, June is the least sunlit month with as low as 5.3 hours of average daily sunlight. High humidity of up to 83%, coupled with an equally high rainfall of about 76mm (2.99") to 98mm (3.86"), would likely make outdoor activities less enjoyable.Spring weather in Rivera
From September transitioning to November, spring pulls a curtain of mellow warmth over Rivera. Average temperatures surge from 10.6°C (51.1°F) to 14.5°C (58.1°F) on the low side and waves between 20.9°C (69.6°F) - 26.9°C (80.4°F) on the high side. Rainfall places lower in September, at 78mm (3.07"), before reaching the yearly peak of 98mm (3.86") in November. However, daylight hours gradually increase from 11.9 in September to 13.7 in November, supported by increasing average sunshine duration from 7.2 hours to 9.9 hours.Summer weather in Rivera
Dominating December, January, and February, summer in Rivera brings the highest temperatures of the year. The range spans between 17°C (62.6°F) and 18.5°C (65.3°F) for the minimum and between 29.4°C (84.9°F) and 30.5°C (86.9°F) for the maximum. Rainfall registers high values with 87mm (3.43") in December, 70mm (2.76") in January, and 84mm (3.31") in February. Daily sunshine hours are ample during these months at around 10.2 hours, despite having lesser daylight hours than the spring months.Autumn weather in Rivera
Autumn in Rivera encapsulates the cooling off months of March, April, and May. Average temperatures start to retreat from highs of 27.8°C (82°F) to 19.8°C (67.6°F) and lows going down from 15.9°C (60.6°F) to 11.3°C (52.3°F). A steady increase in rainfall culminates in May, the wettest month of the year tying with November at 98mm (3.86"). Average daily sunlight duration begins to dwindle, dropping from 8.4 to 5.6 hours correspondingly.Winter weather in Rivera
June, July, and August denote Rivera's winter months, expressed by a drop in the city's average temperatures, sunlight duration, and daylight hours. Minimum average temperatures slip to 8°C (46.4°F) in July, while maximum temperatures hover around 16.5°C (61.7°F). Rainfall also drops to its lowest level in August at 57mm (2.24"). Notably, the least amount of daily sunshine duration, 5.3 hours, is recorded in June making the winter period much less sunlit compared to other seasons.Weather in January
The year kicks off with balmy weather in Rivera, Uruguay. January sees the highest average monthly temperatures with highs reaching up to 30.5°C (86.9°F), a characteristic emblematic of Rivera's summer. Compared to February, January is slightly more humid, conditions prevalent with summer season. Weather in January »Weather in February
Transcending into February, Rivera's weather showcases a modest variation from January. It's not as hot, as temperatures taper down to a high of 30°C (86°F). Wondrous sights of slightly overcast skies can be anticipated with about 30% cloud coverage. Weather in February »Weather in March
As March steps in, Rivera begins feeling the subtle signs of autumn. The peak temperatures taper down to an average high of 27.8°C (82°F), making it cooler compared to the previous month. Despite the diminished sunshine hours, Rivera still witnesses about 9 hours of sunlight daily. Weather in March »Weather in April
April in Rivera denotes the prominent presence of autumn. Average high temperatures further decrease to 24.3°C (75.7°F), culminating in pleasant daytime conditions. With a slight increase in humidity levels, April weather fosters more cloud cover compared to previous months. Weather in April »Weather in May
The cooler period takes hold in Rivera as May approaches. Temperatures continue to drop with highs around 19.8°C (67.6°F). Despite the cooler atmosphere, the sun continues to shine for over 10.6 hours daily; a subtle testament to the endurance of Rivera's weather. Weather in May »Weather in June
Rivera encounters its coldest period in June. With high temperatures averaging only 17°C (62.6°F), the winter chill is prominent. The colder months also come with increased humidity which raises to around 83%. June weather offers a chilly escape from the norm for Rivera. Weather in June »Weather in July
July ushers in the heart of winter in Rivera. Chilly months continue with high temperatures barely reaching 16.5°C (61.7°F). Nevertheless, with an average daily sunshine of about 6.3 hours, Rivera remains radiant amid the wintry cold. Weather in July »Weather in August
As August comes around, Rivera perceives a mild resurgence of warmth. High temperatures start to rise slightly, touching 19.1°C (66.4°F) during the daytime. August marks a shift in weather, with the city inching towards the spring season. Weather in August »Weather in September
Spring at full swing, September in Rivera brings with it some needed warmth. Average high temperatures increase to 20.9°C (69.6°F), an affirmation of autumns arrival. Despite the temperature rise, Rivera can expect an average of 78mm (3.07") of rainfall during the month. Weather in September »Weather in October
October marks the start of summer's subtle hint in Rivera. With the weather warming up to highs of 23.9°C (75°F), Rivera drifts further away from the chills of winter. Reedeming about 8.4 hours of daily sunshine, Rivera gleams beautifully as ever. Weather in October »Weather in November
Lying on the cusp of summer, November in Rivera invites the warmth in its full effect. With highs touching 26.9°C (80.4°F), the summer vibes become apparent. Amid the increasing heat, Rivera has about 9.9 hours of daily sunshine to bask in. Weather in November »Weather in December
December in Rivera is a gateway to the hot season. The mercury touches a high of 29.4°C (84.9°F), intensifying the summer conditions. Despite the heat, Rivera is blessed with about 14.1 hours of daylight making days longer. December ushers in the Christmas celebrations under the glaring Uruguayan sun. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Rivera, Uruguay
The warmest month (with the highest average high temperature) is January (30.5°C).
The month with the lowest average high temperature is July (16.5°C).
The month with the highest average low temperature is January (18.5°C).
The coldest month (with the lowest average low temperature) is July (8°C).
Average pressure
Rivera, Uruguay
- Average pressure in January:
1011mbar - Average pressure in February:
1011.4mbar - Average pressure in March:
1013.6mbar - Average pressure in April:
1015.8mbar - Average pressure in May:
1017.2mbar - Average pressure in June:
1018.1mbar
- Average pressure in July:
1019mbar - Average pressure in August:
1018mbar - Average pressure in September:
1016.3mbar - Average pressure in October:
1013.9mbar - Average pressure in November:
1011.8mbar - Average pressure in December:
1010.2mbar
The month with the highest atmospheric pressure is July (1019mbar).
The month with the lowest atmospheric pressure is December (1010.2mbar).
Average wind speed
Rivera, Uruguay
- Average wind speed in January:
13.3km/h - Average wind speed in February:
12.7km/h - Average wind speed in March:
12.7km/h - Average wind speed in April:
12.3km/h - Average wind speed in May:
12.7km/h - Average wind speed in June:
13.6km/h
- Average wind speed in July:
14km/h - Average wind speed in August:
15km/h - Average wind speed in September:
15.2km/h - Average wind speed in October:
15.1km/h - Average wind speed in November:
14.4km/h - Average wind speed in December:
13.6km/h
The windiest month (with the highest average wind speed) is September (15.2km/h).
The calmest month (with the lowest average wind speed) is April (12.3km/h).
Average humidity
Rivera, Uruguay
The months with the highest relative humidity are May and June (83%).
The month with the lowest relative humidity is December (66%).
Average rainfall
Rivera, Uruguay
The wettest months (with the highest rainfall) are May and November (98mm).
The driest month (with the least rainfall) is August (57mm).
Average rainfall days
Rivera, Uruguay
- Average rainfall days in January:
12.6 days - Average rainfall days in February:
12 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
11.3 days - Average rainfall days in June:
9.9 days
- Average rainfall days in July:
9.7 days - Average rainfall days in August:
9.3 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
12.4 days
The month with the highest number of rainy days is January (12.6 days).
The month with the least rainy days is August (9.3 days).
Average daylight / Average sunshine
Rivera, Uruguay
- Average daylight in January:
13h and 54min - Average daylight in February:
13h and 12min - Average daylight in March:
12h and 18min - Average daylight in April:
11h and 18min - Average daylight in May:
10h and 36min - Average daylight in June:
10h and 12min
- Average daylight in July:
10h and 24min - Average daylight in August:
11h and 0min - Average daylight in September:
11h and 54min - Average daylight in October:
12h and 54min - Average daylight in November:
13h and 42min - Average daylight in December:
14h and 6min
The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in January:
9h and 30min - Average sunshine in February:
8h and 24min - Average sunshine in March:
8h and 24min - Average sunshine in April:
8h and 12min - Average sunshine in May:
5h and 36min - Average sunshine in June:
5h and 18min
- Average sunshine in July:
6h and 18min - Average sunshine in August:
7h and 30min - Average sunshine in September:
7h and 12min - Average sunshine in October:
8h and 24min - Average sunshine in November:
9h and 54min - Average sunshine in December:
10h and 12min
The month with the most sunshine is December (Average sunshine: 10h and 12min).
The month with the least sunshine is June (Average sunshine: 5h and 18min).
Average sunshine days
Rivera, Uruguay
- Average sunshine days in January:
16.6 days - Average sunshine days in February:
15.1 days - Average sunshine days in March:
18.6 days - Average sunshine days in April:
18 days - Average sunshine days in May:
18.3 days - Average sunshine days in June:
18.8 days
- Average sunshine days in July:
19.6 days - Average sunshine days in August:
20.3 days - Average sunshine days in September:
17 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is February (15.1 days).
Average UV index
Rivera, Uruguay
The months with the highest UV index are January, February, March, November and December (UV index 6).
The month with the lowest UV index is May (UV index 3).
Average cloud cover
Rivera, Uruguay
The month with the most cloud cover is May (Cloud cover 43).
The month with the least cloud cover is December (Cloud cover 28).
Average visibility
Rivera, Uruguay
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





