January weather forecast
Mariveles, Philippines

January

Weather in January

January, the same as December, is another warm winter month in Mariveles, Philippines, with an average temperature ranging between max 28.6°C (83.5°F) and min 23.9°C (75°F).

Temperature

January brings the lowest temperatures, with an average high of 28.6°C (83.5°F) and an average low of 23.9°C (75°F).

Heat index

The heat index value for January is estimated at a hot 33°C (91.4°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

The average relative humidity in January is 76%.

Rainfall

In Mariveles, during January, the rain falls for 10.3 days and regularly aggregates up to 24mm (0.94") of precipitation. In Mariveles, during the entire year, the rain falls for 206.5 days and collects up to 1288mm (50.71") of precipitation.

Sea temperature

The months with the coldest seawater are January and February, with an average sea temperature of 27.3°C (81.1°F).
Note: For any water activity, temperatures between 25°C (77°F) and 29°C (84.2°F) are deemed excellent and extremely satisfying for enduring periods.

Daylight

In January, the average length of the day is 11h and 23min.
On the first day of the month, sunrise is at 6:22 am and sunset at 5:40 pm. On the last day of January, sunrise is at 6:26 am and sunset at 5:56 pm PST.

Sunshine

The month with the least sunshine is January, with an average of 6.1h of sunshine.

UV index

January through June, August through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 7 in January converts into the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take caution! The UV rays from the Sun gain strength from sand and water reflections.

Frequently asked questions

What time of the year is the coldest in Mariveles?
January, characterized by an average high temperature of 28.6°C (83.5°F) and a low temperature of 23.9°C (75°F), is generally the coldest month.
How hot is January in Mariveles?
The high-temperature, in January, in Mariveles, is 28.6°C (83.5°F), while the low-temperature averages to 23.9°C (75°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in January is estimated at 33°C (91.4°F).
What is the average humidity in January?
The average relative humidity in January is 76%.
How many days does it rain in January?
In Mariveles, during January, the rain falls for 10.3 days and regularly aggregates up to 24mm (0.94") of precipitation.
What months are the sea coldest?
January and February, with an average sea temperature of 27.3°C (81.1°F), are months with the coldest seawater.
What is the water temperature in January?
In Mariveles, the average seawater temperature in January is 27.3°C (81.1°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
How many hours of daylight does Mariveles have in January?
In Mariveles, the average day length in January is 11h and 23min.
When are sunrise and sunset in January?
On the first day of January, sunrise is at 6:22 am and sunset at 5:40 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 5:56 pm PST.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 6.1h of sunshine.
How many hours of sunshine does Mariveles have in January?
In Mariveles, the average sunshine duration in January is 6.1h.
What is the month with the highest UV index?
January through June, August through December, with an average maximum UV index of 7, are months with the highest UV index.
What is the UV index intensity in January?
In January, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.
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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January
Mariveles, Philippines
  • Average high temperature in January: 28.6°C

The warmest months (with the highest average high temperature) are April and May (31.8°C).
The month with the lowest average high temperature is January (28.6°C).

  • Average low temperature in January: 23.9°C

The month with the highest average low temperature is May (26.8°C).
The coldest month (with the lowest average low temperature) is February (23.7°C).

Average pressure in January
Mariveles, Philippines
  • Average pressure in January: 1012.7mbar

The month with the highest atmospheric pressure is February (1013mbar).
The month with the lowest atmospheric pressure is August (1007.7mbar).

Average wind speed in January
Mariveles, Philippines
  • Average wind speed in January: 16.9km/h

The windiest month (with the highest average wind speed) is January (16.9km/h).
The calmest month (with the lowest average wind speed) is May (9.2km/h).

Average humidity in January
Mariveles, Philippines
  • Average humidity in January: 76%

The months with the highest relative humidity are August and September (83%).
The months with the lowest relative humidity are March and April (73%).

Average rainfall in January
Mariveles, Philippines
  • Average rainfall in January: 24mm

The wettest month (with the highest rainfall) is August (212mm).
The driest month (with the least rainfall) is February (12mm).

Average rainfall days in January
Mariveles, Philippines
  • Average rainfall days in January: 10.3 days

The month with the highest number of rainy days is September (26.8 days).
The month with the least rainy days is February (7.8 days).

Average sea temperature in January
Mariveles, Philippines
  • Average sea temperature in January: 27.3°C

The best month for swimming (with the highest average sea temperature) is May (29.9°C).
The coldest months (with the lowest average sea temperature) are January and February (27.3°C).

Average daylight in January /
Average sunshine in January
Mariveles, Philippines
  • Average daylight in January: 11h and 2min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in January: 6h and 1min

The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in January
Mariveles, Philippines
  • Average sunshine days in January: 14.9 days

The month with the most sunshine days is March (20.5 days).
The month with the least sunshine days is September (1.5 days).

Average UV index in January
Mariveles, Philippines
  • Average UV index in January: 7

The months with the highest UV index are January, February, March, April, May, June, August, September, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 6).

Average cloud cover in January
Mariveles, Philippines
  • Average cloud cover in January: 39

The month with the most cloud cover is August (Cloud cover 57).
The month with the least cloud cover is April (Cloud cover 27).

Average visibility in January
Mariveles, Philippines
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).

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