January weather forecast
Guadalupe, São Tomé and Príncipe

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Weather in January

January in Guadalupe, São Tomé, and Príncipe reveals a tropical climate dominated by rainfall, with humidity figures touching the 77% mark. With the highest temperature meriting at 28°C (82.4°F), warmth begins to embrace the city welcome. Fewer hours of sunshine are countered by the city's lush vegetation thriving under generous rain showers. Constant temperatures from day to night and a steady wind speed typically characterize January, offering a comforting rhythm to the weather pattern. There's a moderate daily average wind speed of 11.1km/h (6.9mph), contributing to a pleasant breeze that alleviates the overall humidity.

Temperature

Stepping into January, Guadalupe records an average high-temperature of a still moderately hot 28°C (82.4°F), almost consistent with December. In January, Guadalupe's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 27°C (80.6°F).

Heat index

The heat index for January is estimated at a tropical 32°C (89.6°F). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
Realize that the values for the heat index are set for shaded places and light winds. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

In Guadalupe, the average relative humidity in January is 77%.

Rainfall

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

Daylight

In January, the average length of the day in Guadalupe is 12h and 6min.
On the first day of January in Guadalupe, sunrise is at 05:33 and sunset at 17:39. On the last day of the month, sunrise is at 05:43 and sunset at 17:49 GMT.

Sunshine

The average sunshine in January is 8.3h.

UV index

The months with the highest UV index are January through May, October through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: A daily high UV index of 7 in January leads to these guidelines:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

How hot is January in Guadalupe?

In Guadalupe, 28°C (82.4°F) is the average high-temperature and 27°C (80.6°F) is the average low-temperature during January. In January, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 32°C (89.6°F).

What is the average humidity in January in Guadalupe?

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

How much does it rain in Guadalupe in January?

In Guadalupe, São Tomé and Príncipe, during January, the rain falls for 27.1 days and regularly aggregates up to 130mm (5.12") of precipitation.

What is the average length of the day in January in Guadalupe?

The average day length in January in Guadalupe is 12h and 6min.

When are sunrise and sunset in January in Guadalupe?

In January, on the first day of the month, sunrise is at 05:33 and sunset at 17:39. On the last day of the month, in Guadalupe, São Tomé and Príncipe, sunrise is at 05:43 and sunset at 17:49 GMT.

How long on average sun shines in January in Guadalupe?

The average sunshine duration in January is 8.3h.

When is the highest UV index in Guadalupe?

January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index in Guadalupe.

What is the UV index intensity in January in Guadalupe?

In Guadalupe, the average daily maximum UV index in January is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in January
Guadalupe, São Tomé and Príncipe

Average temperature in January - Guadalupe, 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
Guadalupe, São Tomé and Príncipe

Average pressure in January - Guadalupe, 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
Guadalupe, São Tomé and Príncipe

Average wind speed in January - Guadalupe, 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
Guadalupe, São Tomé and Príncipe

Average humidity in January - Guadalupe, 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
Guadalupe, São Tomé and Príncipe

Average rainfall in January - Guadalupe, 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
Guadalupe, São Tomé and Príncipe

Average rainfall days in January - Guadalupe, 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
Guadalupe, São Tomé and Príncipe

Average daylight in January / Average sunshine in January - Guadalupe, 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 month with the shortest days is 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
Guadalupe, São Tomé and Príncipe

Average sunshine days in January - Guadalupe, 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
Guadalupe, São Tomé and Príncipe

Average UV index in January - Guadalupe, 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
Guadalupe, São Tomé and Príncipe

Average cloud cover in January - Guadalupe, 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
Guadalupe, São Tomé and Príncipe

Average visibility in January - Guadalupe, 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).

Guadalupe, São Tomé and Príncipe

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