January weather forecast
Chamico, São Tomé and Príncipe

January

Weather in January

Jumpstarting the year in Chamico, São Tomé and Príncipe is sultry with both daily high and low temperatures hovering around 28°C (82.4°F) and 27°C (80.6°F) respectively. January's weather features consistent and considerable cloud coverage, peaking at approximately 38%. The UV index is high throughout the month, putting emphasis on the necessity for adequate sun care. January weather can be characterized by moderate visibility which permits locals and tourists alike to enjoy outdoor activities. The atmospheric pressure trends at an average, falling slightly below standard atmospheric pressure.

Temperature

January's onset in Chamico records an average high-temperature of a still moderately hot 28°C (82.4°F), a near match to December's 27.5°C (81.5°F). Throughout January, Chamico reports a steady low-temperature average of 27°C (80.6°F), slightly lower than its daytime counterpart.

Heat index

In January, the heat index is appraised at a hot 32°C (89.6°F). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

The average relative humidity in January in Chamico is 77%.

Rainfall

In Chamico, during January, the rain falls for 27.1 days and regularly aggregates up to 130mm (5.12") of precipitation. In Chamico, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.

Daylight

The months with the shortest days are January, November and December, with an average of 12h and 6min of daylight.
On the first day of January, sunrise is at 05:33 and sunset at 17:40. On the last day of the month, sunrise is at 05:43 and sunset at 17:50 GMT.

Sunshine

In January, the average sunshine is 8.3h.

UV index

The months with the highest UV index in Chamico are January through May, October through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 7 during January leads to these instructions:
Deflect overexposure. Sun protection is a necessity. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

Is it hot in Chamico during January?
During January, Chamico experiences an average high-temperature of 28°C (82.4°F) and a low-temperature of 27°C (80.6°F). In January, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 32°C (89.6°F).
What is the average humidity in January in Chamico?
In Chamico, São Tomé and Príncipe, the average relative humidity in January is 77%.
How much does it rain in Chamico in January?
In Chamico, São Tomé and Príncipe, during January, the rain falls for 27.1 days and regularly aggregates up to 130mm (5.12") of precipitation.
What are the months with the shortest days in Chamico?
January, November and December, with an average of 12h and 6min of daylight, are months with the shortest days in Chamico.
What is the average length of the day in January in Chamico?
In Chamico, the average day length in January is 12h and 7min.
When is the sunrise / sunset in January in Chamico?
On the first day of January in Chamico, São Tomé and Príncipe, sunrise is at 05:33 and sunset at 17:40. On the last day of the month, sunrise is at 05:43 and sunset at 17:50 GMT.
How long on average sun shines in January in Chamico?
In Chamico, the average sunshine duration in January is 8.3h.
When is the highest UV index in Chamico?
The months with the highest UV index in Chamico are January through May, October through December, with an average maximum UV index of 7.
What is the UV index reading in January in Chamico?
In Chamico, the average daily maximum UV index in January is 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January - Chamico, São Tomé and Príncipe
Average temperature in January
Chamico, São Tomé and Príncipe
  • Average high temperature in January: 28°C

The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is July (24.5°C).

  • Average low temperature in January: 27°C

The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is July (23°C).

Average pressure in January - Chamico, São Tomé and Príncipe
Average pressure in January
Chamico, São Tomé and Príncipe
  • Average pressure in January: 1010.7mbar

The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is February (1009.8mbar).

Average wind speed in January - Chamico, São Tomé and Príncipe
Average wind speed in January
Chamico, São Tomé and Príncipe
  • Average wind speed in January: 11.1km/h

The windiest month (with the highest average wind speed) is July (17.7km/h).
The calmest month (with the lowest average wind speed) is December (10.8km/h).

Average humidity in January - Chamico, São Tomé and Príncipe
Average humidity in January
Chamico, São Tomé and Príncipe
  • Average humidity in January: 77%

The months with the highest relative humidity are August, September and October (83%).
The month with the lowest relative humidity is March (76%).

Average rainfall in January - Chamico, São Tomé and Príncipe
Average rainfall in January
Chamico, São Tomé and Príncipe
  • Average rainfall in January: 130mm

The wettest month (with the highest rainfall) is November (224mm).
The driest month (with the least rainfall) is July (9mm).

Average rainfall days in January - Chamico, São Tomé and Príncipe
Average rainfall days in January
Chamico, São Tomé and Príncipe
  • Average rainfall days in January: 27.1 days

The month with the highest number of rainy days is December (28.6 days).
The month with the least rainy days is June (7.3 days).

Average daylight in January / Average sunshine in January - Chamico, São Tomé and Príncipe
Average daylight in January /
Average sunshine in January
Chamico, São Tomé and Príncipe
  • Average daylight in January: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are January, November and December (Average daylight: 12h and 6min).

  • Average sunshine in January: 8h and 2min

The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).

Average sunshine days in January - Chamico, São Tomé and Príncipe
Average sunshine days in January
Chamico, São Tomé and Príncipe
  • Average sunshine days in January: 3.1 days

The month with the most sunshine days is June (16.4 days).
The month with the least sunshine days is December (1.5 days).

Average UV index in January - Chamico, São Tomé and Príncipe
Average UV index in January
Chamico, São Tomé and Príncipe
  • Average UV index in January: 7

The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).

Average cloud cover in January - Chamico, São Tomé and Príncipe
Average cloud cover in January
Chamico, São Tomé and Príncipe
  • Average cloud cover in January: 38

The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is February (Cloud cover 37).

Average visibility in January - Chamico, São Tomé and Príncipe
Average visibility in January
Chamico, São Tomé and Príncipe
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).

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