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
January tends to be the coldest month, with temperatures averaging a daily high of 27.8°C (82°F) and a low of 24.1°C (75.4°F).Heat index
Throughout January, the heat index is estimated at a hot 32°C (89.6°F). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant 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
The months with the highest humidity in Santa Rosa, Philippines, are January, July through September and December, with an average relative humidity of 82%.Rainfall
In Santa Rosa, during January, the rain falls for 18.2 days and regularly aggregates up to 57mm (2.24") of precipitation. Throughout the year, there are 257 rainfall days, and 1537mm (60.51") of precipitation is accumulated.Daylight
In Santa Rosa, the average length of the day in January is 11h and 23min.On the first day of January, sunrise is at 6:19 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 5:54 pm PST.
Sunshine
The month with the least sunshine is January, with an average of 5.5h of sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Santa Rosa are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 7 in January interprets into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. 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. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Santa Rosa?
What are the temperatures in Santa Rosa in January?
What is the most humid month in Santa Rosa?
What is the average humidity in January in Santa Rosa?
How much does it rain in Santa Rosa in January?
How many hours of daylight does Santa Rosa have in January?
When are sunrise and sunset in January in Santa Rosa?
What is the month with the least sunshine in Santa Rosa?
How many hours of sunshine does Santa Rosa have in January?
When is the highest UV index in Santa Rosa?
When is the lowest UV index in Santa Rosa?
How high is the UV index in January in Santa Rosa?
Average temperature in January
Santa Rosa, Philippines
- Average high temperature in January: 27.8°C
The warmest month (with the highest average high temperature) is May (31.3°C).
The month with the lowest average high temperature is January (27.8°C).
- Average low temperature in January: 24.1°C
The month with the highest average low temperature is May (25.9°C).
The coldest month (with the lowest average low temperature) is February (23.8°C).
Average pressure in January
Santa Rosa, Philippines
- Average pressure in January: 1010.9mbar
The month with the highest atmospheric pressure is February (1011.6mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).
Average wind speed in January
Santa Rosa, Philippines
- Average wind speed in January: 19.4km/h
The windiest month (with the highest average wind speed) is January (19.4km/h).
The calmest month (with the lowest average wind speed) is May (8.6km/h).
Average humidity in January
Santa Rosa, Philippines
- Average humidity in January: 82%
The months with the highest relative humidity are January, July, August, September and December (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Santa Rosa, Philippines
- Average rainfall in January: 57mm
The wettest month (with the highest rainfall) is July (227mm).
The driest month (with the least rainfall) is February (32mm).
Average rainfall days in January
Santa Rosa, Philippines
- Average rainfall days in January: 18.2 days
The month with the highest number of rainy days is July (29.5 days).
The month with the least rainy days is February (10.8 days).
Average daylight in January /
Average sunshine in January
Santa Rosa, 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 3min
The month with the most sunshine is May (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in January
Santa Rosa, Philippines
- Average sunshine days in January: 11.6 days
The month with the most sunshine days is March (16.3 days).
The month with the least sunshine days is July (1.2 days).
Average UV index in January
Santa Rosa, 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
Santa Rosa, Philippines
- Average cloud cover in January: 49
The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is April (Cloud cover 28).
Average visibility in January
Santa Rosa, 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).
Santa Rosa, Philippines
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