April weather forecast
Riberalta, Bolivia

Weather in April

April is a tropical autumn month in Riberalta, Bolivia, with average temperature varying between 21.9°C (71.4°F) and 30.4°C (86.7°F).

Temperature

In Riberalta, Bolivia, the average high-temperature is practically the same as in March - a tropical 30.4°C (86.7°F). In April, in Riberalta, the average low-temperature is 21.9°C (71.4°F).

Heat index

The average heat index is appraised at an extremely hot 40.9°C (105.6°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, wind, metabolic differences). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 37.5°C (99.5°F) to 38.3°C (100.9°F), thermal conditions are potentially life-threatening.

Humidity

In April, the average relative humidity is 86%.

Rainfall

In Riberalta, during April, the rain falls for 23.3 days and regularly aggregates up to 108mm (4.25") of precipitation. Throughout the year, there are 224 rainfall days, and 1199mm (47.2") of precipitation is accumulated.

Daylight

In April, the average length of the day is 11.9h.

Sunshine

The average sunshine in April is 6.8h.

UV index

January through June and December, with an average maximum UV index of 6, are months with the lowest UV index in Riberalta, Bolivia. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in April interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in April in Riberalta?

In April, in Riberalta, the average high-temperature is 30.4°C (86.7°F), and the average low-temperature is 21.9°C (71.4°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in April is appraised at 40.9°C (105.6°F).

What is the average humidity in April in Riberalta?

In Riberalta, Bolivia, the average relative humidity in April is 86%.

How many days does it rain in April in Riberalta?

In Riberalta, Bolivia, in April, during 23.3 rainfall days, 108mm (4.25") of precipitation is typically accumulated.

How many hours of daylight does Riberalta have in April?

In April, the average length of the day in Riberalta, Bolivia, is 11.9h.

How many hours of sunshine does Riberalta have in April?

In Riberalta, Bolivia, the average sunshine in April is 6.8h.

When is the lowest UV index in Riberalta?

Months with the lowest UV index in Riberalta are January through June and December, with an average maximum UV index of 6.

How high is the UV index in April in Riberalta?

The average daily maximum UV index in April in Riberalta is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in April
Riberalta, Bolivia

Average temperature in April - Riberalta, Bolivia
  • Average high temperature in April: 30.4°C

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).

  • Average low temperature in April: 21.9°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).

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Average pressure in April
Riberalta, Bolivia

Average pressure in April - Riberalta, Bolivia
  • Average pressure in April: 1011.4mbar

Months with the highest atmospheric pressure are June and July (1013.7mbar).
The month with the lowest atmospheric pressure is November (1008.4mbar).

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Average wind speed in April
Riberalta, Bolivia

Average wind speed in April - Riberalta, Bolivia
  • Average wind speed in April: 4.2km/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).

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Average humidity in April
Riberalta, Bolivia

Average humidity in April - Riberalta, Bolivia
  • Average humidity in April: 86%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is August (52%).

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Average rainfall in April
Riberalta, Bolivia

Average rainfall in April - Riberalta, Bolivia
  • Average rainfall in April: 108mm

The wettest month (with the highest rainfall) is February (196mm).
The driest month (with the least rainfall) is July (8mm).

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Average rainfall days in April
Riberalta, Bolivia

Average rainfall days in April - Riberalta, Bolivia
  • Average rainfall days in April: 23.3 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).

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Average daylight in April /
Average sunshine in April
Riberalta, Bolivia

Average daylight in April / Average sunshine in April - Riberalta, Bolivia
  • Average daylight in April: 11.9h

The month with the longest days is December (Average daylight: 12.8h).
Months with the shortest days are June and July (Average daylight: 11.5h).

  • Average sunshine in April: 6.8h

The month with the most sunshine is August (Average sunshine: 9.6h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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Average sunshine days in April
Riberalta, Bolivia

Average sunshine days in April - Riberalta, Bolivia
  • Average sunshine days in April: 5.1 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).

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Average UV index in April
Riberalta, Bolivia

Average UV index in April - Riberalta, Bolivia
  • Average UV index in April: 6

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

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Average cloud cover in April
Riberalta, Bolivia

Average cloud cover in April - Riberalta, Bolivia
  • Average cloud cover in April: 57

The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in April
Riberalta, Bolivia

Average visibility in April - Riberalta, Bolivia
  • Average visibility in April: 7km

Months with the highest visibility are August and September (10km).
The month with the lowest visibility is February (5km).

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