January weather forecast
Nova Olinda, São Tomé and Príncipe

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Weather in January

In Nova Olinda, the wet season commences with January, characterized by frequent rainfall, cloud cover, and humid air. This month brings relief with its relatively cooler temperatures from 28°C (82.4°F) to 27°C (80.6°F). Winds start increasing their speed reaching 11.1km/h (6.9mph) on average, contributing to the cloud-bearing moisture resulted from the sea. January also marks the start of winds contributing to the sailing sports as wind speeds pick up. The city gets ready to receive its annual rainfall with 130mm (5.12") precipitation spread over the month.

Temperature

During January, Nova Olinda records an average high-temperature of a still warm 28°C (82.4°F), marking a slight divergence from December's 27.5°C (81.5°F). Night temperatures in January exhibit a subtle decrease, settling at an average of 27°C (80.6°F).

Heat index

Throughout January, the heat index is estimated at a tropical 32°C (89.6°F). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

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

Rainfall

In Nova Olinda, in January, it is raining for 27.1 days, with typically 130mm (5.12") of accumulated precipitation. In Nova Olinda, 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 Nova Olinda is 12h and 7min.
On the first day of the month, sunrise is at 05:33 and sunset at 17:39. On the last day of January, in Nova Olinda, São Tomé and Príncipe, 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 in Nova Olinda are January through May, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index, 7 in January, converts into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. 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. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

How hot does it get in Nova Olinda in January?

In Nova Olinda, 28°C (82.4°F) is the average high-temperature and 27°C (80.6°F) is the average low-temperature during January. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in January is estimated at 32°C (89.6°F).

What is the average humidity in January in Nova Olinda?

The average relative humidity in January in Nova Olinda, São Tomé and Príncipe, is 77%.

How many days does it rain in January in Nova Olinda?

In Nova Olinda, 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 Nova Olinda?

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

When are sunrise and sunset in January in Nova Olinda?

On the first day of January in Nova Olinda, São Tomé and Príncipe, 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.

How long on average sun shines in January in Nova Olinda?

In Nova Olinda, the average sunshine duration in January is 8.3h.

When is the highest UV index in Nova Olinda?

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

How high is the UV index in January in Nova Olinda?

In January, the average daily maximum UV index in Nova Olinda is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in January
Nova Olinda, São Tomé and Príncipe

Average temperature in January - Nova Olinda, 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
Nova Olinda, São Tomé and Príncipe

Average pressure in January - Nova Olinda, 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
Nova Olinda, São Tomé and Príncipe

Average wind speed in January - Nova Olinda, 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
Nova Olinda, São Tomé and Príncipe

Average humidity in January - Nova Olinda, 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
Nova Olinda, São Tomé and Príncipe

Average rainfall in January - Nova Olinda, 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
Nova Olinda, São Tomé and Príncipe

Average rainfall days in January - Nova Olinda, 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
Nova Olinda, São Tomé and Príncipe

Average daylight in January / Average sunshine in January - Nova Olinda, 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 November (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
Nova Olinda, São Tomé and Príncipe

Average sunshine days in January - Nova Olinda, 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
Nova Olinda, São Tomé and Príncipe

Average UV index in January - Nova Olinda, 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
Nova Olinda, São Tomé and Príncipe

Average cloud cover in January - Nova Olinda, 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
Nova Olinda, São Tomé and Príncipe

Average visibility in January - Nova Olinda, 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).

Nova Olinda, São Tomé and Príncipe

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