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 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
Weather in January
Temperature
Calamba's coldest month, January, registers temperatures that range from a high of 27.3°C (81.1°F) to a low of 22.3°C (72.1°F).Heat index
The heat index for January is calculated to be a tropical 31°C (87.8°F). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In Calamba, the average relative humidity in January is 81%.Rainfall
In Calamba, in January, during 13.3 rainfall days, 14mm (0.55") of precipitation is typically accumulated. Throughout the year, in Calamba, Philippines, there are 216.4 rainfall days, and 476mm (18.74") of precipitation is accumulated.Daylight
In January, the average length of the day in Calamba is 11h and 24min.On the first day of the month, sunrise is at 6:19 am and sunset at 5:37 pm. On the last day of January, in Calamba, Philippines, sunrise is at 6:23 am and sunset at 5:54 pm PST.
Sunshine
The month with the least sunshine in Calamba is January, with an average of 5.1h of sunshine.UV index
The months with the lowest UV index in Calamba, Philippines, are January, August, October and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the maximum UV index of 6 translates into these guidelines:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. 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.
Frequently asked questions
What are the coldest months in Calamba?
What is the temperature in January in Calamba?
What is the average humidity in January in Calamba?
How much does it rain in Calamba in January?
What is the average length of the day in January in Calamba?
When are sunrise and sunset in January in Calamba?
What is the month with the least sunshine in Calamba?
How long on average sun shines in January in Calamba?
What are the months with the lowest UV index in Calamba?
What is the UV index intensity in January in Calamba?
Average temperature in January
Calamba, Philippines
- Average high temperature in January: 27.3°C
The warmest month (with the highest average high temperature) is May (32.2°C).
The month with the lowest average high temperature is January (27.3°C).
- Average low temperature in January: 22.3°C
The month with the highest average low temperature is May (25.2°C).
The coldest month (with the lowest average low temperature) is January (22.3°C).
Average pressure in January
Calamba, Philippines
- Average pressure in January: 1012.8mbar
The month with the highest atmospheric pressure is February (1013.1mbar).
The month with the lowest atmospheric pressure is August (1007.7mbar).
Average wind speed in January
Calamba, Philippines
- Average wind speed in January: 12.4km/h
The windiest month (with the highest average wind speed) is January (12.4km/h).
The calmest month (with the lowest average wind speed) is May (6.7km/h).
Average humidity in January
Calamba, Philippines
- Average humidity in January: 81%
The month with the highest relative humidity is September (86%).
The month with the lowest relative humidity is April (75%).
Average rainfall in January
Calamba, Philippines
- Average rainfall in January: 14mm
The wettest months (with the highest rainfall) are June and July (69mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in January
Calamba, Philippines
- Average rainfall days in January: 13.3 days
The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is February (10.3 days).
Average daylight in January /
Average sunshine in January
Calamba, 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: 5h and 1min
The month with the most sunshine is April (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in January
Calamba, Philippines
- Average sunshine days in January: 5.8 days
The month with the most sunshine days is April (10.3 days).
The month with the least sunshine days is November (3.5 days).
Average UV index in January
Calamba, Philippines
- Average UV index in January: 6
The months with the highest UV index are February, March, April, May, June, July, September and November (UV index 7).
The months with the lowest UV index are January, August, October and December (UV index 6).
Average cloud cover in January
Calamba, Philippines
- Average cloud cover in January: 53
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is April (Cloud cover 30).
Average visibility in January
Calamba, Philippines
- Average visibility in January: 9km
The months with the highest visibility are February, March, April and December (10km).
The months with the lowest visibility are July and September (8km).
Calamba, Philippines
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