Climate and monthly weather forecastRiberalta, Bolivia
Climate and monthly weather forecast
The climate of Riberalta
Riberalta, Bolivia is primarily characterized by a Tropical wet and dry or savanna climate, often classified as an Aw climate according to the Köppen climate classification. Given its geographic positioning in the tropics, this town experiences substantial variances in weather parameters throughout the year.While temperatures showcase a fair degree of consistency across the year, there are subtle differences to be noted. The coldest months tend to be between June and August with average lows around 19.3°C (66.7°F), slowly increasing to approximately 22.7°C (72.9°F) by December. On the flip side, the hottest months are predominantly from September to October, when the average highs reach up to 35.8°C (96.4°F), subsequently tapering off to about 30.7°C (87.3°F) by December.
Rainfall patterns show more significant variations across the year. The dry season ensues from May to August with monthly rainfall averaging between 8mm (0.31") in July and 59mm (2.32") in May. The monsoon rhythm kicks in around September, steadily intensifying, peaking in February with an average monthly precipitation of 196mm (7.72").
Notably, wind speeds remain nearly constant, averaging 4.9km/h (3mph) annually. However, gusts experience a slight increase in speed from May, hitting a peak of 7.9km/h (4.9mph) in December and January. Moreover, higher visibility close to 10 km can be expected between July and November, before gradual decrease sets in, down to around 7 km by February.
The best time to visit Riberalta
Considering the various weather parameters, the ideal period for visiting Riberalta would be from June to August. During this timeframe, tourists can enjoy milder temperatures and low humidity averaging 63%. This period also coincides with the driest months of the year with precipitation levels around 8mm (0.31") to 22mm (0.87"), thus reducing chances of weather-related disruptions to outdoor activities.The worst time to visit Riberalta
Visitors may find the period from January to March less agreeable due to a combination of factors. Relative humidity increases drastically during these months, averaging 91% in February, making the environment much more humid. Coupled with this is a significant jump in rainfall to an average of 188mm (7.4") in January, leading to potential disruptions in outdoor plans.Spring weather in Riberalta
Weather in Riberalta from September to November showcases early signs of a transition from dry to wet season. A stark increase in rainfall can be observed, starting from 28mm (1.1") in September to 70mm (2.76") in November. However, these months also offer the highest average temperatures, pitching at 35.8°C (96.4°F) in September.Summer weather in Riberalta
Distinctive features of Riberalta's weather during December to February are high humidity and rainfall. The humidity reaches an annual high averaging 91%, while rainfall peaks at 196mm (7.72") in February. These months also offer relatively cooler temperatures, with averages ranging from 30.7°C (87.3°F) to 29.3°C (84.7°F).Autumn weather in Riberalta
The autumn months of March to May in Riberalta usher in a significant transition from the wet to dry season. The rainfall decreases dramatically from 185mm (7.28") in March to 59mm (2.32") in May. Despite this, temperatures remain relatively high, hovering from 30.4°C (86.7°F) to 30.6°C (87.1°F).Winter weather in Riberalta
Compared to other seasons, winter months from June to August offer a more temperate climate. Riberalta experiences the lowest average temperatures of the year during these months, dropping to 19.3°C (66.7°F) in July. Additionally, these months see the lowest rainfall of the year with the bottom point at 8mm (0.31") in July, offering a relatively dry environment to enjoy.Weather in January
January in Riberalta, Bolivia, greets the new year with considerable rainfall, indicating the onset of the wet season. The temperatures remain steady, indicating a consistent climate. What stands out is the high relative humidity of 88%. Weather in January »Weather in February
Riberalta's February weather continues the trend made in January. With high temperatures nearly constant and the humidity cresting at 91%, the conditions remain wet and warm. The increase in rainfall underpins the persistence of wet weather throughout the month. Weather in February »Weather in March
Transitioning into March, the weather in Riberalta does not significantly alter. Possessing similar temperature ranges, the city's humidity now decreases by 2%. Albeit subtle, this decrement sets in motion a progressive descent from peak monsoon weather. Weather in March »Weather in April
April symbolizes the dramatic turning point in Riberalta’s weather patterns. There is a consistent decrease in rainfall and humidity, indicating the end of the wet season. An important shift is the reduced precipitation of 108mm (4.25"), almost halving from March's total rainfall. Weather in April »Weather in May
May manifests the start of Riberalta's transition into its dry season. The climate remains warm, with slightly lowered minimum temperatures. Declining from April's values, May documents a considerable reduction in rainfall, only amassing a total of 59mm (2.32"). Weather in May »Weather in June
Riberalta's weather in June retains the lowered levels of rainfall from May and further drops. The overall conditions are predominantly warm and comparably dry, marking the mid-year with the least cloud cover. The drastic reduction in rainfall only amounts to 22mm (0.87"), complementing the noticeable drop in humidity. Weather in June »Weather in July
July in Riberalta remains warm and dry. There is a continuation of the trend of low rainfall and declination of humidity. July stands out with the highest sunshine hours of 9.5 hours a day and is associated with clearer, vivid blue skies. Weather in July »Weather in August
August ushers exceptional heat into Riberalta, with the highest recorded temperature of 35.2°C (95.4°F). However, it also experiences a slight increase in rainfall, signaling the subtle approach of the wet season. August suspends the city in an interesting weather dynamic, creating a bridge between the apex of the dry season and the deemed return of rainfall. Weather in August »Weather in September
September in Riberalta presents a similar weather pattern as August. Despite a slight decrease in temperature, the city’s climate remains comparably hot. A marked increase in rainfall from 9mm (0.35") to 28mm (1.1") points towards the conclusion of the dry season. Weather in September »Weather in October
October depicts a visible transition towards Riberalta's wet season. Rainfall increases markedly, and the cloud cover begins to thicken, yet the city remains warm. A steady climb in humidity characterizes October, restoring the lush atmosphere associated with the city’s wet period. Weather in October »Weather in November
November accelerates the return of the wet season in Riberalta. With considerably heightened rainfall of 159mm (6.26"), the city's climate turns significantly damp. A parallel pattern of increased humidity complements this change, restoring the city's inherent tropical wet charm. Weather in November »Weather in December
Finally, Riberalta concludes the year with a full immersion into the wet season in December. With little change in temperatures, the city experiences a further increase in rainfall, rounding up to 167mm (6.57"). The sky's frequent grayness due to elevated cloud cover confirms the boisterous reign of the monsoon. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Riberalta, Bolivia
The warmest month (with the highest average high temperature) is September (35.8°C).
The month with the lowest average high temperature is February (29.3°C).
The month with the highest average low temperature is October (22.9°C).
The coldest month (with the lowest average low temperature) is July (19.3°C).
Average pressure
Riberalta, Bolivia
- Average pressure in January:
1010.1mbar - Average pressure in February:
1010mbar - Average pressure in March:
1010.5mbar - Average pressure in April:
1011.4mbar - Average pressure in May:
1012.6mbar - Average pressure in June:
1013.7mbar
- Average pressure in July:
1013.7mbar - Average pressure in August:
1012.6mbar - Average pressure in September:
1011mbar - Average pressure in October:
1009.5mbar - Average pressure in November:
1008.4mbar - Average pressure in December:
1009.2mbar
The months with the highest atmospheric pressure are June and July (1013.7mbar).
The month with the lowest atmospheric pressure is November (1008.4mbar).
Average wind speed
Riberalta, Bolivia
- Average wind speed in January:
4.6km/h - Average wind speed in February:
4.3km/h - Average wind speed in March:
4.2km/h - Average wind speed in April:
4.2km/h - Average wind speed in May:
4.2km/h - Average wind speed in June:
4.3km/h
- Average wind speed in July:
4.5km/h - Average wind speed in August:
4.9km/h - Average wind speed in September:
4.9km/h - Average wind speed in October:
4.8km/h - Average wind speed in November:
4.8km/h - Average wind speed in December:
4.9km/h
The windiest months (with the highest average wind speed) are August, September and December (4.9km/h).
The calmest months (with the lowest average wind speed) are March, April and May (4.2km/h).
Average humidity
Riberalta, Bolivia
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is August (52%).
Average rainfall
Riberalta, Bolivia
- Average rainfall in January:
188mm - Average rainfall in February:
196mm - Average rainfall in March:
185mm - Average rainfall in April:
108mm - Average rainfall in May:
59mm - Average rainfall in June:
22mm
The wettest month (with the highest rainfall) is February (196mm).
The driest month (with the least rainfall) is July (8mm).
Average rainfall days
Riberalta, Bolivia
- Average rainfall days in January:
28.5 days - Average rainfall days in February:
27.2 days - Average rainfall days in March:
27.6 days - Average rainfall days in April:
23.3 days - Average rainfall days in May:
18.5 days - Average rainfall days in June:
9.4 days
- Average rainfall days in July:
4.4 days - Average rainfall days in August:
4.7 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
18.9 days - Average rainfall days in November:
23.1 days - Average rainfall days in December:
27.8 days
The month with the highest number of rainy days is January (28.5 days).
The month with the least rainy days is July (4.4 days).
Average daylight / Average sunshine
Riberalta, Bolivia
- Average daylight in January:
12h and 42min - Average daylight in February:
12h and 30min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 54min - Average daylight in May:
11h and 36min - Average daylight in June:
11h and 30min
- Average daylight in July:
11h and 36min - Average daylight in August:
11h and 48min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 24min - Average daylight in November:
12h and 36min - Average daylight in December:
12h and 48min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in January:
5h and 36min - Average sunshine in February:
4h and 54min - Average sunshine in March:
5h and 42min - Average sunshine in April:
6h and 48min - Average sunshine in May:
7h and 48min - Average sunshine in June:
8h and 48min
- Average sunshine in July:
9h and 30min - Average sunshine in August:
9h and 36min - Average sunshine in September:
9h and 12min - Average sunshine in October:
9h and 30min - Average sunshine in November:
8h and 48min - Average sunshine in December:
7h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days
Riberalta, Bolivia
- Average sunshine days in January:
2 days - Average sunshine days in February:
0.8 days - Average sunshine days in March:
2.3 days - Average sunshine days in April:
5.1 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
19.3 days
- Average sunshine days in July:
25.9 days - Average sunshine days in August:
24.8 days - Average sunshine days in September:
17.6 days - Average sunshine days in October:
10.6 days - Average sunshine days in November:
6.4 days - Average sunshine days in December:
2.4 days
The month with the most sunshine days is July (25.9 days).
The month with the least sunshine days is February (0.8 days).
Average UV index
Riberalta, Bolivia
The months with the highest UV index are July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June and December (UV index 6).
Average cloud cover
Riberalta, Bolivia
The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility
Riberalta, Bolivia
The months with the highest visibility are August and September (10km).
The month with the lowest visibility is February (5km).








