January weather forecast
Manila, Philippines

The Philippines, particularly in Manila, begins the year with an optimal balance of warm temperatures and relatively lower rainfall. A notable characteristic of January is the lower wind speed, with the barometer reading around 11.4km/h (7.1mph), offering a calm and serene environment. Cloud cover remains moderate, ensuring a fair amount of sunshine filtering through. In comparison to February, January is cooler and experiences a higher percentage of cloud cover, giving it a pleasant feel. Despite the lower rainfall, humidity remains considerably high, maintaining the lush greenery of this tropical metropolis.

Temperature

With an average high-temperature of 28.3°C (82.9°F) and an average low-temperature of 22.9°C (73.2°F), January is the coldest month.

Heat index

In January, the heat index is appraised at a hot 32°C (89.6°F). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

The average relative humidity in January is 77%.

Rainfall

In Manila, Philippines, in January, during 12.9 rainfall days, 22mm (0.87") of precipitation is typically accumulated. In Manila, during the entire year, the rain falls for 185 days and collects up to 830mm (32.68") of precipitation.

Sea temperature

In January, the average sea temperature in Manila is 27.1°C (80.8°F).
Note: For swimming, diving, and similar activities, the water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered delightful, allowing for extended periods of enjoyment without discomfort.

Daylight

In January, the average length of the day is 11h and 22min.
On the first day of January in Manila, sunrise is at 6:20 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 5:54 pm PST.

Sunshine

The month with the least sunshine in Manila is January, with an average of 6.2h of sunshine.

UV index

The month with the lowest UV index in Manila is January, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 6 in January transforms into this advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Alert! Sand and water increase UV exposure due to their reflective properties.