April weather forecastSanto Tomas, Philippines
April
Weather in April
April is a tropical spring month in Santo Tomas, Philippines, with an average temperature varying between 23°C (73.4°F) and 30.3°C (86.5°F).Temperature
April's arrival brings an average high-temperature of a tropical 30.3°C (86.5°F), demonstrating subtle variation from the preceding month. Santo Tomas sees an average low-temperature of 23°C (73.4°F) during April.Heat index
The heat index in April is appraised at a very hot 38°C (100.4°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
With an average relative humidity of 79%, April is the least humid month.Rainfall
In Santo Tomas, Philippines, in April, during 20.3 rainfall days, 65mm (2.56") of precipitation is typically accumulated. Throughout the year, in Santo Tomas, there are 300.8 rainfall days, and 1601mm (63.03") of precipitation is accumulated.Daylight
In April, the average length of the day is 12h and 27min.On the first day of the month, sunrise is at 5:50 am and sunset at 6:07 pm. On the last day of April, in Santo Tomas, sunrise is at 5:33 am and sunset at 6:11 pm PST.
Sunshine
In April, the average sunshine is 9.8h.UV index
The months with the highest UV index are March through June, August and September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 7 in April translates into this advice:
Sidestep overexposure. Individuals with fair complexions risk burning 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. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Santo Tomas, Philippines
- Average high temperature in April: 30.3°C
The warmest month (with the highest average high temperature) is May (31.1°C).
The month with the lowest average high temperature is January (26.2°C).
- Average low temperature in April: 23°C
The months with the highest average low temperature are May and June (23.8°C).
The coldest month (with the lowest average low temperature) is February (21.8°C).
Average pressure in April
Santo Tomas, Philippines
- Average pressure in April: 1011.2mbar
The month with the highest atmospheric pressure is February (1013.2mbar).
The month with the lowest atmospheric pressure is August (1007.7mbar).
Average wind speed in April
Santo Tomas, Philippines
- Average wind speed in April: 8.6km/h
The windiest month (with the highest average wind speed) is January (12.7km/h).
The calmest month (with the lowest average wind speed) is June (6.3km/h).
Average humidity in April
Santo Tomas, Philippines
- Average humidity in April: 79%
The months with the highest relative humidity are July, September, October and December (87%).
The month with the lowest relative humidity is April (79%).
Average rainfall in April
Santo Tomas, Philippines
- Average rainfall in April: 65mm
The wettest month (with the highest rainfall) is July (237mm).
The driest months (with the least rainfall) are February and March (44mm).
Average rainfall days in April
Santo Tomas, Philippines
- Average rainfall days in April: 20.3 days
The month with the highest number of rainy days is July (29.2 days).
The month with the least rainy days is April (20.3 days).
Average daylight in April /
Average sunshine in April
Santo Tomas, Philippines
- Average daylight in April: 12h and 30min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in April: 9h and 48min
The month with the most sunshine is May (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
Santo Tomas, Philippines
- Average sunshine days in April: 6.8 days
The month with the most sunshine days is April (6.8 days).
The months with the least sunshine days are January and July (1.6 days).
Average UV index in April
Santo Tomas, Philippines
- Average UV index in April: 7
The months with the highest UV index are March, April, May, June, August and September (UV index 7).
The month with the lowest UV index is December (UV index 5).
Average cloud cover in April
Santo Tomas, Philippines
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is May (Cloud cover 41).
Average visibility in April
Santo Tomas, Philippines
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, April, November and December (9km).
The months with the lowest visibility are July and September (7km).





