January weather forecastSienna, Philippines
January
Weather in January
January, like December, in Sienna, Philippines, is a moderately hot winter month, with temperature in the range of an average high of 28.3°C (82.9°F) and an average low of 22.9°C (73.2°F).Temperature
January is the coldest month, with the temperature often reaching an average high of 28.3°C (82.9°F) and an average low of 22.9°C (73.2°F).Heat index
January's heat index is appraised at a tropical 32°C (89.6°F). One might feel worn out with persistent exposure and activity, resulting in heat cramps.Understand that the heat index values take into account shaded locations and mild winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In January, the average relative humidity is 77%.Rainfall
In Sienna, during January, the rain falls for 12.9 days and regularly aggregates up to 22mm (0.87") of precipitation. In Sienna, during the entire year, the rain falls for 185 days and collects up to 830mm (32.68") of precipitation.Daylight
In Sienna, the average length of the day in January is 11h and 22min.On the first day of the month, sunrise is at 6:20 am and sunset at 5:37 pm. On the last day of January, sunrise is at 6:24 am and sunset at 5:54 pm PST.
Sunshine
January has the least sunshine of the year, with an average of 6.2h of sunshine.UV index
With an average maximum UV index of 6, January is the month with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 6 in January leads to these recommendations:
Deflect overexposure. Sun protection is a necessity. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Sienna, Philippines
- Average high temperature in January: 28.3°C
The warmest month (with the highest average high temperature) is May (33.4°C).
The month with the lowest average high temperature is January (28.3°C).
- Average low temperature in January: 22.9°C
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.9°C).
Average pressure in January
Sienna, Philippines
- Average pressure in January: 1013.1mbar
The month with the highest atmospheric pressure is February (1013.4mbar).
The month with the lowest atmospheric pressure is August (1007.6mbar).
Average wind speed in January
Sienna, Philippines
- Average wind speed in January: 11.4km/h
The windiest month (with the highest average wind speed) is January (11.4km/h).
The calmest month (with the lowest average wind speed) is May (7.5km/h).
Average humidity in January
Sienna, Philippines
- Average humidity in January: 77%
The months with the highest relative humidity are August and September (81%).
The month with the lowest relative humidity is April (70%).
Average rainfall in January
Sienna, Philippines
- Average rainfall in January: 22mm
The wettest month (with the highest rainfall) is July (163mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in January
Sienna, Philippines
- Average rainfall days in January: 12.9 days
The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is February (7 days).
Average daylight in January /
Average sunshine in January
Sienna, Philippines
- Average daylight in January: 11h and 24min
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 12min
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 12min).
Average sunshine days in January
Sienna, Philippines
- Average sunshine days in January: 13.1 days
The month with the most sunshine days is March (16.9 days).
The month with the least sunshine days is July (7 days).
Average UV index in January
Sienna, Philippines
- Average UV index in January: 6
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in January
Sienna, Philippines
- Average cloud cover in January: 38
The month with the most cloud cover is August (Cloud cover 51).
The month with the least cloud cover is April (Cloud cover 25).
Average visibility in January
Sienna, Philippines
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June and December (10km).
The months with the lowest visibility are January, July, August, September, October and November (9km).
