January weather forecast
Puerto Princesa, Philippines

In Puerto Princesa, the first month of the new year brings a blend of warm temperatures and decent rainfall. There's a subtle shift in weather from December, with a slight uptick in temperatures. Notable in January is the average rainfall of 31mm (1.22"), a significant decrease from December's numbers. This decline signals the beginning of the dry season. The city takes advantage of this weather, offering outdoor activities galore to both locals and tourists.

Temperature

January and December are the coldest months in Puerto Princesa, with an average high-temperature of 30.7°C (87.3°F).

Heat index

The heat index value for January is computed to be a scorching 41°C (105.8°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

In Puerto Princesa, the average relative humidity in January is 83%.

Rainfall

In Puerto Princesa, during January, the rain falls for 4 days and regularly aggregates up to 31mm (1.22") of precipitation. In Puerto Princesa, during the entire year, the rain falls for 130 days and collects up to 1564mm (61.57") of precipitation.

Sea temperature

In Puerto Princesa, in January, the average water temperature is 27.7°C (81.9°F).
Note: Water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm, making water activities enjoyable for prolonged periods without any uncomfortable sensations.

Daylight

In Puerto Princesa, the average length of the day in January is 11h and 37min.
On the first day of the month, sunrise is at 6:21 am and sunset at 5:54 pm. On the last day of January, sunrise is at 6:27 am and sunset at 6:09 pm PST.

Sunshine

The average sunshine in January in Puerto Princesa is 7h.

UV index

In Puerto Princesa, Philippines, the average daily maximum UV index in January is 11. A UV Index reading of 11, and higher, represents an extreme threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 11 in January, converts into the following recommendations:
Utilize all vital precautions. Guarding against sun harm is non-negotiable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Even if the day is cloudy, sunscreen with SPF of at least 30 should be applied generously and reapplied often, particularly after swimming or outdoor exercise. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.