January weather forecast
San Borja, Bolivia

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Weather in January

January sees the start of the year with a blend of high humidity and significant rainfall. Weather is characterized by tropical moisture, making the surroundings lush and green. The rainfall can peak up to 410 millimeters (mm), showcasing one of the highest averages in the year. The climate favors the growth of flora, making the region a paradise for nature lovers. An umbrella is a must-have item during January visits to this city.

Temperature

As San Borja welcomes January, the average high-temperature stabilizes at a still warm 29.5°C (85.1°F), showing little deviation from December's 29.9°C (85.8°F). During the month of January, an average temperature of 20.9°C (69.6°F) is noted during the nights in San Borja, Bolivia.

Heat index

The heat index in January is estimated at a fiery hot 38°C (100.4°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

In San Borja, the average relative humidity in January is 87%.

Rainfall

In San Borja, Bolivia, during January, the rain falls for 27.5 days and regularly aggregates up to 410mm (16.14") of precipitation. Throughout the year, in San Borja, there are 251.7 rainfall days, and 2897mm (114.06") of precipitation is accumulated.

Daylight

The average length of the day in January in San Borja is 12h and 53min.
On the first day of January in San Borja, Bolivia, sunrise is at 06:00 and sunset at 19:00. On the last day of the month, sunrise is at 06:17 and sunset at 19:03 -04.

Sunshine

In January, the average sunshine in San Borja is 5.9h.

UV index

The months with the highest UV index are January, March, April, June through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In January, the average maximum UV index of 6 translates into the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

How hot is January in San Borja?

January temperatures in San Borja vary between a high-temperature of 29.5°C (85.1°F) and a low-temperature of 20.9°C (69.6°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in January is estimated at 38°C (100.4°F).

What is the average humidity in January in San Borja?

The average relative humidity in January in San Borja is 87%.

How much does it rain in San Borja in January?

In San Borja, in January, during 27.5 rainfall days, 410mm (16.14") of precipitation is typically accumulated.

What is the average length of the day in January in San Borja?

The average day length in January in San Borja is 12h and 53min.

When is the sunrise / sunset in January in San Borja?

In January, on the first day of the month, sunrise is at 06:00 and sunset at 19:00. On the last day of the month, in San Borja, Bolivia, sunrise is at 06:17 and sunset at 19:03 -04.

How many hours of sunshine does San Borja have in January?

The average sunshine duration in January is 5.9h.

What are the months with the highest UV index in San Borja?

The months with the highest UV index in San Borja, Bolivia, are January, March, April, June through December, with an average maximum UV index of 6.

What is the UV index intensity in January in San Borja?

In San Borja, the average daily maximum UV index in January is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.

Average temperature in January
San Borja, Bolivia

Average temperature in January - San Borja, Bolivia
  • Average high temperature in January: 29.5°C

The warmest month (with the highest average high temperature) is September (32.5°C).
The month with the lowest average high temperature is June (27.1°C).

  • Average low temperature in January: 20.9°C

The month with the highest average low temperature is December (21°C).
The coldest month (with the lowest average low temperature) is July (16.6°C).

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Average pressure in January
San Borja, Bolivia

Average pressure in January - San Borja, Bolivia
  • Average pressure in January: 1010.2mbar

The month with the highest atmospheric pressure is July (1015.1mbar).
The month with the lowest atmospheric pressure is November (1009mbar).

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Average wind speed in January
San Borja, Bolivia

Average wind speed in January - San Borja, Bolivia
  • Average wind speed in January: 4.8km/h

The windiest month (with the highest average wind speed) is September (5.4km/h).
The calmest month (with the lowest average wind speed) is May (3.9km/h).

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Average humidity in January
San Borja, Bolivia

Average humidity in January - San Borja, Bolivia
  • Average humidity in January: 87%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is September (65%).

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Average rainfall in January
San Borja, Bolivia

Average rainfall in January - San Borja, Bolivia
  • Average rainfall in January: 410mm

The wettest month (with the highest rainfall) is December (414mm).
The driest month (with the least rainfall) is August (57mm).

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Average rainfall days in January
San Borja, Bolivia

Average rainfall days in January - San Borja, Bolivia
  • Average rainfall days in January: 27.5 days

The month with the highest number of rainy days is December (28.1 days).
The month with the least rainy days is August (11 days).

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Average daylight in January /
Average sunshine in January
San Borja, Bolivia

Average daylight in January / Average sunshine in January - San Borja, Bolivia
  • Average daylight in January: 12h and 5min

The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).

  • Average sunshine in January: 5h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in January
San Borja, Bolivia

Average sunshine days in January - San Borja, Bolivia
  • Average sunshine days in January: 2.9 days

The month with the most sunshine days is August (19.7 days).
The month with the least sunshine days is February (0.9 days).

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Average UV index in January
San Borja, Bolivia

Average UV index in January - San Borja, Bolivia
  • Average UV index in January: 6

The months with the highest UV index are January, March, April, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are February and May (UV index 5).

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Average cloud cover in January
San Borja, Bolivia

Average cloud cover in January - San Borja, Bolivia
  • Average cloud cover in January: 66

The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in January
San Borja, Bolivia

Average visibility in January - San Borja, Bolivia
  • Average visibility in January: 6km

The months with the highest visibility are August and September (9km).
The months with the lowest visibility are January, February, March, April and May (6km).

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San Borja, Bolivia

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