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
January
Weather in January
Temperature
With average high and low temperatures of 26.6°C (79.9°F) and 22.8°C (73°F) respectively, January is San Juan's coldest month.Humidity
In San Juan, the average relative humidity in January is 82%.Rainfall
In San Juan, in January, during 18.2 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In San Juan, Philippines, during the entire year, the rain falls for 196.1 days and collects up to 602mm (23.7") of precipitation.Daylight
In January, the average length of the day in San Juan, Philippines, is 11h and 22min.On the first day of January in San Juan, Philippines, sunrise is at 6:20 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 5:53 pm PST.
Sunshine
With an average of 5.1h of sunshine, January has the least sunshine of the year in San Juan.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 6 translates into these guidelines:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in San Juan?
What is the temperature in January in San Juan?
What is the average humidity in January in San Juan?
How much does it rain in San Juan in January?
What is the average length of the day in January in San Juan?
When are sunrise and sunset in January in San Juan?
What is the month with the least sunshine in San Juan?
How long on average sun shines in January in San Juan?
When is the lowest UV index in San Juan?
What is the UV index reading in January in San Juan?
Average temperature in January
San Juan, Philippines
- Average high temperature in January: 26.6°C
The warmest month (with the highest average high temperature) is May (32°C).
The month with the lowest average high temperature is January (26.6°C).
- Average low temperature in January: 22.8°C
The month with the highest average low temperature is May (25.3°C).
The coldest month (with the lowest average low temperature) is February (22.7°C).
Average pressure in January
San Juan, 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
San Juan, Philippines
- Average wind speed in January: 14.2km/h
The windiest month (with the highest average wind speed) is January (14.2km/h).
The calmest month (with the lowest average wind speed) is May (7.5km/h).
Average humidity in January
San Juan, Philippines
- Average humidity in January: 82%
The months with the highest relative humidity are July and September (83%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
San Juan, Philippines
- Average rainfall in January: 29mm
The wettest month (with the highest rainfall) is August (93mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in January
San Juan, Philippines
- Average rainfall days in January: 18.2 days
The month with the highest number of rainy days is October (18.6 days).
The month with the least rainy days is February (12.5 days).
Average daylight in January /
Average sunshine in January
San Juan, 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 12min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in January
San Juan, Philippines
- Average sunshine days in January: 4.3 days
The month with the most sunshine days is August (14.3 days).
The month with the least sunshine days is January (4.3 days).
Average UV index in January
San Juan, Philippines
- Average UV index in January: 6
The months with the highest UV index are February, March, April, May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January and December (UV index 6).
Average cloud cover in January
San Juan, Philippines
- Average cloud cover in January: 51
The month with the most cloud cover is August (Cloud cover 52).
The month with the least cloud cover is April (Cloud cover 27).
Average visibility in January
San Juan, 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 January, May, June, July, August, September, October and November (9km).
