January weather forecast
Formiga, São Tomé and Príncipe

Moving into the early days of the year in Formiga, São Tomé and Príncipe, one can expect stable temperature ranges. While weather patterns largely remain consistent across the period, January introduces the year with a substantial amount of rainfall, standing at 130mm (5.12") for the entire month. Relative humidity, averaging at 77%, and cloud cover, at 38%, contribute to a generally cozy atmosphere throughout January. Frequent showers and a cooling breeze add to the moderate tropical conditions. Despite the weather being unpredictable at times, average sunshine hours of 8.3 each day hint at adequate days of bright, sunny weather.

Temperature

The high-temperature average in January for Formiga is a still moderately hot 28°C (82.4°F), staying closely aligned with December's conditions. Formiga, during January nights, records a temperature marginally cooler than the daytime average, at a still moderately hot 27°C (80.6°F).

Heat index

January's heat index is appraised at a tropical 32°C (89.6°F). Constant activity during exposure could result in a state of weariness and possibly heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

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 Formiga, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.

Daylight

In Formiga, the average length of the day in January is 12h and 7min.
On the first day of the month, sunrise is at 05:34 and sunset at 17:40. On the last day of January, sunrise is at 05:44 and sunset at 17:50 GMT.

Sunshine

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

UV index

The months with the highest UV index in Formiga 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 health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, a daily UV index of 7 turns into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.