January weather forecast
Henrique, São Tomé and Príncipe

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Weather in January

For Henrique, São Tomé and Príncipe, January is quite warm, with an average high temperature in the region of 28°C (82.4°F). Humidity begins at a high level for the year, making the heat more noticeable. Differences between daytime and night temperatures remain small, indicating that evenings offer slightly less than full respite from the heat. Rainfall volumes are fairly high, with 130mm (5.12") occurring throughout the month. It is a place where holidaymakers need to be mindful of sunshine hours too, as these can reach an average of 8.3 hours per day.

Temperature

The average high-temperature for January is a still warm 28°C (82.4°F), closely aligning with the temperature of the preceding month. Henrique navigates through January with a barely noticeable decrease in temperature at night, stabilizing at a still moderately hot 27°C (80.6°F).

Heat index

January's average heat index is calculated to be a hot 32°C (89.6°F). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. 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 'feels like' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

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

Rainfall

In January, in Henrique, the rain falls for 27.1 days. Throughout January, 130mm (5.12") of precipitation is accumulated. Throughout the year, in Henrique, São Tomé and Príncipe, there are 241.7 rainfall days, and 1287mm (50.67") of precipitation is accumulated.

Daylight

In Henrique, São Tomé and Príncipe, the average length of the day in January is 12h and 7min.
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

The average sunshine in January is 8.3h.

UV index

The months with the highest UV index in Henrique are January through May, October through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 7 translates into these guidelines:
Ward off overexposure. Defence against solar harm is crucial. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

Is it hot in Henrique during January?

The average high-temperature and low-temperature in Henrique during January are 28°C (82.4°F) and 27°C (80.6°F) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in January is calculated to be 32°C (89.6°F).

What is the average humidity in January in Henrique?

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

How many days does it rain in January in Henrique?

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

How many hours of daylight does Henrique have in January?

In Henrique, the average day length in January is 12h and 7min.

When is the sunrise / sunset in January in Henrique?

In January, on the first day of the month, sunrise is at 05:33 and sunset at 17:40. On the last day of the month, in Henrique, São Tomé and Príncipe, sunrise is at 05:43 and sunset at 17:50 GMT.

How long on average sun shines in January in Henrique?

The average sunshine duration in January in Henrique is 8.3h.

What are the months with the highest UV index in Henrique?

The months with the highest UV index in Henrique, São Tomé and Príncipe, are January through May, October through December, with an average maximum UV index of 7.

How high is the UV index in January in Henrique?

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

Average temperature in January
Henrique, São Tomé and Príncipe

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

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

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

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

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

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

Average daylight in January / Average sunshine in January - Henrique, 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 March (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
Henrique, São Tomé and Príncipe

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

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

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

Average visibility in January - Henrique, 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).

Henrique, São Tomé and Príncipe

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