Climate and monthly weather forecast
Cobija, Bolivia

Climate and monthly weather forecast

The climate of Cobija

Located in Bolivia, Cobija categorized under the Köppen climate classification has an Am climate, also known as a tropical monsoon climate. This climate is marked by high temperatures and significant amounts of rainfall throughout the year.

Average temperatures in Cobija are fairly consistent, ranging from 29.3°C (84.7°F) to 34.3°C (93.7°F) in terms of high temperatures and from 18.6°C (65.5°F) to 22°C (71.6°F) when speaking of low temperatures. Despite minor fluctuations in temperatures, the weather in Cobija remains relatively hot year-round, the warmest period being from July to September, with high temperatures reaching 33.5°C (92.3°F) to 34.3°C (93.7°F).

Rainfall presents more distinct patterns. The wettest months are February and March, where rainfall measures at 231mm (9.09") and 198mm (7.8") respectively. However, the dry spell in Cobija is evident from May to September, showing a marked decrease in rainfall with as little as 27mm (1.06") in July and 23mm (0.91") in August.

One will notice that the relative humidity and cloud cover also follow a cyclic pattern complimentary to that of rainfall. The humidity ranges from 58% in August to 91% in February, and the cloud cover ranges from 20% in August to 72% in February, signifying how these parameters sync with the wet and dry periods.

Wind speed indicates a more constant state across the year with slight variations. The average wind speed ranges from 4.3km/h (2.7mph) to 5.5km/h (3.4mph), and the maximum wind gusts can reach up to 8.8km/h (5.5mph) in December.

The best time to visit Cobija

Given its tropical monsoon climate, one might consider planning the trip to Cobija between May and September. During this period, Cobija experiences lower humidity varying from 58% to 82%, coupled with reduced rainfall from 27mm (1.06") to 85mm (3.35"). While the temperatures during these months still range from 29.7°C (85.5°F) to 30.9°C (87.6°F), the lower humidity and rainfall could make the weather more bearable. Sunshine hours are at their peak too, ranging from 8.5 hours to 9.6 hours per day, providing ample daylight for sightseeing or other outdoor activities.

The worst time to visit Cobija

The least agreeable time for visiting Cobija would be the wet season from December to March. Although the temperature remains high with lows not going below 21.5°C (70.7°F), the city witnesses its highest rainfall, with peaks at 231mm (9.09") and 200mm (7.87") in February and January respectively. Besides, the high relative humidity of 88% to 91%, mixed with abundant cloud cover, might turn the climate less pleasant for outdoor explorations.

Spring weather in Cobija

In Cobija, the spring months of April, May, and June witness high temperatures from 29.4°C (84.9°F) to 29.9°C (85.8°F) and low temps from 19.8°C (67.6°F) to 21.5°C (70.7°F). April still carries the spring rains, with 133mm (5.24") of rainfall, but May and June indicate a significant drop to 85mm (3.35") and 40mm (1.57") respectively. Relative humidity follows suit, reducing from 85% in April to 78% in June. During this period, the daylight averages between 11.6 hours to 11.9 hours, and sunshine ranges from 7.1 hours to 8.5 hours per day.

Summer weather in Cobija

Spanning July, August, and September, summer in Cobija brings high temperatures ranging from 30.9°C (87.6°F) to 34.3°C (93.7°F), and low temperatures varying from 18.6°C (65.5°F) to 21.6°C (70.9°F). These months are the driest of the year, with rainfall measurements reduced to as low as 23mm (0.91") in August. Correspondingly, the humidity also reaches its lowest point at 58% in August. Consequently, the summer months afford more sunny days, with daylight ranging between 11.5 hours and 12.1 hours, and direct sunshine varies from 9.1 hours to 9.6 hours per day.

Autumn weather in Cobija

During the autumn months of October, November, and December, Cobija experiences high temperatures from 31.7°C (89.1°F) to 33°C (91.4°F) and low temperatures from 21.8°C (71.2°F) to 22°C (71.6°F). Rainfall starts to pick up again, with 119mm (4.69") in October and increasing to 156mm (6.14") in December. As a result, the relative humidity and cloud cover also increase, reaching 79% and 59% respectively in December. Despite the increasing rainfall, the autumn months still provide adequate daylight averaging from 12.4 hours to 12.8 hours and sunshine ranging from 7.4 hours to 8.4 hours per day.

Winter weather in Cobija

Winter in Cobija, constituting of January, February, and March, is characterized by high temperatures from 28.6°C (83.5°F) to 29.4°C (84.9°F) and low temperatures remaining at 21.9°C (71.4°F). Cobija faces its wettest period in these months, with rainfall peaking at 231mm (9.09") in February. Humidity is at its highest, reaching 91% in February, and cloud cover also peaks at 72% in the same month. These months also witness reduced hours of sunshine, falling from 6.6 hours in January to 6 hours per day in March, with daylight ranging from 12.5 hours to 12.7 hours. Notwithstanding, the tropical monsoon climate ensures warm temperatures throughout the year, making Cobija a year-round destination.

Weather in January

In Cobija, Bolivia, January greets citizens with damp, humid conditions due to the city's fairly high rainfall of 200mm (7.87") and average humidity of 88%. As residents emerge from December, temperatures remain steady, offering little deviation from last month's conditions. Weather in January »

Weather in February

Unlike January, Cobija in February experiences the highest relative humidity of the year at 91%, indicating a humid and damp environment. Following January's rains, February continues to deliver significant rainfall. Despite these humid and wet conditions, daily activities are not heavily disrupted owing to the reasonable visibility of 6km (3.7mi). Weather in February »

Weather in March

March in Cobija brings with it a slight drop in humidity to 88% and a minor decrease in rainfall compared to February. As the tail end of the summer season, March exhibits warm temperatures, yet not as extreme as the upcoming months. Weather in March »

Weather in April

In Cobija, April manifests a notable reduction in rainfall from 198mm (7.8") to 133mm (5.24"), marking the start of the city's drier period. With the humidity dropping to a comfortable 85%, residents can enjoy less muggy conditions. Weather in April »

Weather in May

May offers noticeably drier conditions in comparison to April, as rainfall significantly drops from 133mm (5.24") to 85mm (3.35"). Temperatures show a gradual downtrend, making the weather more comfortable yet still providing adequate warmth. Weather in May »

Weather in June

Cobija experiences its driest period in June with a recorded rainfall as low as 40mm (1.57"). Following May's patterns, temperatures and humidity continue to drop, offering a respite from the early year's high humidity. With less precipitation and an average of 11.5 daylight hours, the visibility extends to 8km (5mi). Weather in June »

Weather in July

Record-breaking dryness is characteristic of July in Cobija, with rainfall declining further to a mere 27mm (1.06"). With the lowest rainfall and reduced cloud cover, July unfolds the clearest sky conditions of the year. Temperatures sustain at mildly warm levels, while the UV index scales up to 7. Weather in July »

Weather in August

August sees a slight increase in rainfall from 27mm (1.06") to 23mm (0.91"). However, Cobija remains relatively dry compared to other months. Although temperatures replicate the warmth from July, the UV index remains at the annual maximum level of 7. Weather in August »

Weather in September

Come September, Cobija starts transitioning from the dryness of August, marking a rise in rainfall to 52mm (2.05"). While temperatures continue to be steady and warm, humidity gradually increases, preparing for the upcoming wet season. Weather in September »

Weather in October

October in Cobija ushers in the wet season, receiving a significant rise in precipitation from 52mm (2.05") to 119mm (4.69"). Humidity levels ascend as well, leading to damper conditions. Despite the increased rainfall, remain comparably warm. Weather in October »

Weather in November

As Cobija steers into November, rainfall surges further to 164mm (6.46"), indicating significantly wetter conditions compared to October. Residents find themselves amidst moderately warm temperatures, high humidity, and frequent showers. Weather in November »

Weather in December

December marks the peak of the rainy season in Cobija, with rainfall totaling up to 156mm (6.14"), closely copying November's precipitation levels. As the last month of the year, December continues the trend of encompassing high humidity levels, while moderately warm temperatures persist. Weather in December »

Frequently asked questions

How much does it rain?
In Cobija, during the entire year, the rain falls for 253 days and collects up to 1428mm (56.22") of precipitation.
What is the month with the lowest UV index?
The months with the lowest UV index are January through June, November and December, with an average maximum UV index of 6.
What month is the coldest in Cobija?
Cobija's coldest weather arrives in February, when temperatures average a high of 28.6°C (83.5°F) and a low of 21.9°C (71.4°F).
What is the most humid month?
With an average relative humidity of 91%, February is the most humid month.
What is the wettest month?
The month with the most rainfall is February, when the rain falls for 27.9 days and typically aggregates up to 231mm (9.09") of precipitation.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 5.2h of sunshine.
What is the month with the shortest days?
With an average of 11h and 30min of daylight, June has the shortest days of the year.
What are the months with the highest UV index?
July through October, with an average maximum UV index of 7, are months with the highest UV index.
What is the least humid month?
August is the least humid month, with an average relative humidity of 58%.
What is the driest month?
August is the month with the least rainfall. Rain falls for 9 days and accumulates 23mm (0.91") of precipitation.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 9.6h of sunshine.
What time of the year is the hottest?
Cobija's temperatures peak on average in September, reaching 34.3°C (93.7°F) at their highest and 21.6°C (70.9°F) at their lowest.
When are the longest days?
With an average of 12h and 48min of daylight, December has the longest days of the year.
Is there Daylight Saving Time (DST)?
Cobija does not utilize Daylight Saving Time (DST). -04 timezone is used over the entire year.
Average temperature - Cobija, Bolivia
Average temperature
Cobija, Bolivia

The warmest month (with the highest average high temperature) is September (34.3°C).
The month with the lowest average high temperature is February (28.6°C).

The month with the highest average low temperature is November (22°C).
The coldest month (with the lowest average low temperature) is July (18.6°C).

Average pressure - Cobija, Bolivia
Average pressure
Cobija, Bolivia

The month with the highest atmospheric pressure is July (1013.3mbar).
The month with the lowest atmospheric pressure is November (1007.6mbar).

Average wind speed - Cobija, Bolivia
Average wind speed
Cobija, Bolivia

The windiest month (with the highest average wind speed) is December (5.5km/h).
The calmest months (with the lowest average wind speed) are May and June (4.3km/h).

Average humidity - Cobija, Bolivia
Average humidity
Cobija, Bolivia

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is August (58%).

Average rainfall - Cobija, Bolivia
Average rainfall
Cobija, Bolivia

The wettest month (with the highest rainfall) is February (231mm).
The driest month (with the least rainfall) is August (23mm).

Average rainfall days - Cobija, Bolivia
Average rainfall days
Cobija, Bolivia

The month with the highest number of rainy days is March (29.1 days).
The month with the least rainy days is August (9 days).

Average daylight / Average sunshine - Cobija, Bolivia
Average daylight / Average sunshine
Cobija, Bolivia

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).

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days - Cobija, Bolivia
Average sunshine days
Cobija, Bolivia

The month with the most sunshine days is August (21.2 days).
The month with the least sunshine days is February (0.2 days).

Average UV index - Cobija, Bolivia
Average UV index
Cobija, Bolivia

The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).

Average visibility - Cobija, Bolivia
Average visibility
Cobija, Bolivia

The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and March (6km).

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