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
San Antonio experiences its lowest average temperatures in January, reaching a peak of 28.3°C (82.9°F) and a minimum of 23°C (73.4°F).Heat index
In January, the average heat index is estimated at a hot 32°C (89.6°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In January, the average relative humidity is 77%.Rainfall
In San Antonio, in January, during 10.4 rainfall days, 20mm (0.79") of precipitation is typically accumulated. In San Antonio, during the entire year, the rain falls for 237.5 days and collects up to 1892mm (74.49") of precipitation.Daylight
In January, the average length of the day is 11h and 22min.On the first day of the month, sunrise is at 6:24 am and sunset at 5:40 pm. On the last day of January, in San Antonio, sunrise is at 6:28 am and sunset at 5:57 pm PST.
Sunshine
With an average of 6.9h of sunshine, January has the least sunshine of the year in San Antonio.UV index
January is the month with the lowest UV index, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 6 in January leads to these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in San Antonio?
How hot is it in San Antonio in January?
What is the average humidity in January in San Antonio?
How much does it rain in San Antonio in January?
What is the average length of the day in January in San Antonio?
When are sunrise and sunset in January in San Antonio?
What is the month with the least sunshine in San Antonio?
How many hours of sunshine does San Antonio have in January?
When is the lowest UV index in San Antonio?
What is the UV index reading in January in San Antonio?
Average temperature in January
San Antonio, Philippines
- Average high temperature in January: 28.3°C
The warmest month (with the highest average high temperature) is May (31.4°C).
The month with the lowest average high temperature is January (28.3°C).
- Average low temperature in January: 23°C
The month with the highest average low temperature is May (26.4°C).
The coldest months (with the lowest average low temperature) are January and February (23°C).
Average pressure in January
San Antonio, 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 (1007.6mbar).
Average wind speed in January
San Antonio, Philippines
- Average wind speed in January: 13.4km/h
The windiest month (with the highest average wind speed) is January (13.4km/h).
The calmest month (with the lowest average wind speed) is May (8km/h).
Average humidity in January
San Antonio, Philippines
- Average humidity in January: 77%
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
San Antonio, Philippines
- Average rainfall in January: 20mm
The wettest month (with the highest rainfall) is August (424mm).
The driest month (with the least rainfall) is February (16mm).
Average rainfall days in January
San Antonio, Philippines
- Average rainfall days in January: 10.4 days
The month with the highest number of rainy days is July (29.4 days).
The month with the least rainy days is February (8.9 days).
Average daylight in January /
Average sunshine in January
San Antonio, 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 5min
The month with the most sunshine is April (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in January
San Antonio, Philippines
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is July (1.5 days).
Average UV index in January
San Antonio, 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
San Antonio, Philippines
- Average cloud cover in January: 27
The month with the most cloud cover is August (Cloud cover 53).
The months with the least cloud cover are February and March (Cloud cover 23).
Average visibility in January
San Antonio, Philippines
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, October, November and December (10km).
The months with the lowest visibility are June, July, August and September (9km).
San Antonio, Philippines
Weather forecast for your location
2. Allow the app to use your location