January weather forecast
Milagrosa, São Tomé and Príncipe

January

Weather in January

The New Year welcomes locals and visitors of Milagrosa with warm temperatures and high humidity. As the rainfall of 130mm (5.12") is higher compared to the following month, residents often need to be prepared for showers. The weather, though somewhat wet, displays an average maximum temperature of 28°C (82.4°F) and a minimum of 27°C (80.6°F). The conditions contribute to delightful yet humid beach opportunities. Despite the rain, there is still an enjoyable amount of sunshine with high ultraviolet (UV) index, so applying a high-SPF sunblock is imperative.

Temperature

Milagrosa's January average high-temperature settles at a still moderately hot 28°C (82.4°F), showing a near match with the preceding month. A consistent nighttime average temperature of 27°C (80.6°F) is maintained during January.

Heat index

January's mean heat index is estimated at a tropical 32°C (89.6°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant 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.

Humidity

The average relative humidity in January is 77%.

Rainfall

In Milagrosa, in January, it is raining for 27.1 days, with typically 130mm (5.12") of accumulated precipitation. In Milagrosa, 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 is 12h and 7min.
On the first day of January, 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

In Milagrosa, the average sunshine in January is 8.3h.

UV index

January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 7 during January translates into the following directions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

How hot is January?
In Milagrosa, 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', 'feels like'), 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 Milagrosa, the average relative humidity in January is 77%.
How many days does it rain in January?
In Milagrosa, 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 Milagrosa have in January?
In January, the average day length is 12h and 7min.
When are sunrise and sunset in January in Milagrosa?
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 Milagrosa, sunrise is at 05:43 and sunset at 17:49 GMT.
How long on average sun shines in January?
In Milagrosa, the average sunshine duration in January is 8.3h.
When is the highest UV index?
January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index.
How high is the UV index in January?
In January, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Milagrosa, 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
Milagrosa, 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
Milagrosa, 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
Milagrosa, 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
Milagrosa, 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
Milagrosa, 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
Milagrosa, 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
Milagrosa, 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
Milagrosa, 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
Milagrosa, 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
Milagrosa, 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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