Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
January is the coldest month of the year, registering average temperatures as high as 28.2°C (82.8°F) and as low as 24.5°C (76.1°F).Heat index
For January, the heat index is appraised at a tropical 33°C (91.4°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Observations indicate that the heat index values are for shady locations with light wind. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
The most humid month is January, with an average relative humidity of 82%.Rainfall
In Isabel, during January, the rain falls for 20.4 days and regularly aggregates up to 52mm (2.05") of precipitation. Throughout the year, there are 250 rainfall days, and 824mm (32.44") of precipitation is accumulated.Sea temperature
In January, the average sea temperature is 26.9°C (80.4°F).Note: Water activities including swimming and diving are pleasurable in temperatures between 25°C (77°F) and 29°C (84.2°F), ensuring comfort and enjoyment for extended time frames.
Daylight
In January, the average length of the day is 11h and 34min.On the first day of January, sunrise is at 6:00 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 5:45 pm PST.
Sunshine
The month with the least sunshine is January, with an average of 5.2h of sunshine.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 7 in January transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like 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. Take note! Sand and water reflections strengthen the Sun's UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How hot does it get in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
What is the sea water temperature in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Isabel have in January?
What is the month with the highest UV index?
When is the lowest UV index?
How high is the UV index in January in Isabel?
Average temperature in January
Isabel, Philippines
- Average high temperature in January: 28.2°C
The warmest month (with the highest average high temperature) is May (30.9°C).
The month with the lowest average high temperature is January (28.2°C).
- Average low temperature in January: 24.5°C
The months with the highest average low temperature are May and June (26.2°C).
The coldest month (with the lowest average low temperature) is February (23.9°C).
Average pressure in January
Isabel, Philippines
- Average pressure in January: 1011mbar
The month with the highest atmospheric pressure is February (1011.8mbar).
The month with the lowest atmospheric pressure is August (1008.3mbar).
Average wind speed in January
Isabel, Philippines
- Average wind speed in January: 12.8km/h
The windiest month (with the highest average wind speed) is January (12.8km/h).
The calmest month (with the lowest average wind speed) is May (7.5km/h).
Average humidity in January
Isabel, Philippines
- Average humidity in January: 82%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are May and June (77%).
Average rainfall in January
Isabel, Philippines
- Average rainfall in January: 52mm
The wettest month (with the highest rainfall) is July (104mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in January
Isabel, Philippines
- Average rainfall days in January: 20.4 days
The month with the highest number of rainy days is October (25.1 days).
The month with the least rainy days is February (14.8 days).
Average sea temperature in January
Isabel, Philippines
- Average sea temperature in January: 26.9°C
The best month for swimming (with the highest average sea temperature) is June (29.8°C).
The coldest month (with the lowest average sea temperature) is February (26.8°C).
Average daylight in January /
Average sunshine in January
Isabel, Philippines
- Average daylight in January: 11h and 4min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in January
Isabel, Philippines
- Average sunshine days in January: 7.6 days
The month with the most sunshine days is March (10.4 days).
The month with the least sunshine days is August (4.4 days).
Average UV index in January
Isabel, Philippines
- Average UV index in January: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in January
Isabel, Philippines
- Average cloud cover in January: 51
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is May (Cloud cover 30).
Average visibility in January
Isabel, Philippines
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
