Climate and Average Weather Year Round at Ninoy Aquino Manila International Airport PhilippinesAt Ninoy Aquino Manila International Airport, the wet season is overcast, the dry season is partly cloudy, and it is hot and oppressive year round. Over the course of the year, the temperature typically varies from 73°F to 93°F and is rarely below 69°F or above 96°F. Based on the beach/pool score, the best time of year to visit Ninoy Aquino Manila International Airport for hot-weather activities is from late December to early April. Average Temperature at Ninoy Aquino Manila International AirportThe hot season lasts for 1.5 months, from April 5 to May 19, with an average daily high temperature above 92°F. The hottest month of the year at Ninoy Aquino Manila International Airport is May, with an average high of 92°F and low of 79°F. The cool season lasts for 2.6 months, from November 23 to February 12, with an average daily high temperature below 87°F. The coldest month of the year at Ninoy Aquino Manila International Airport is January, with an average low of 73°F and high of 86°F.
The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. Barranquilla, Colombia (10,383 miles away); Santarém, Brazil (11,566 miles); and São Luís, Brazil (11,150 miles) are the far-away foreign places with temperatures most similar to Ninoy Aquino Manila International Airport (view comparison). CloudsAt Ninoy Aquino Manila International Airport, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year. The clearer part of the year at Ninoy Aquino Manila International Airport begins around November 21 and lasts for 5.1 months, ending around April 24. The clearest month of the year at Ninoy Aquino Manila International Airport is February, during which on average the sky is clear, mostly clear, or partly cloudy 52% of the time. The cloudier part of the year begins around April 24 and lasts for 6.9 months, ending around November 21. The cloudiest month of the year at Ninoy Aquino Manila International Airport is August, during which on average the sky is overcast or mostly cloudy 93% of the time.
PrecipitationA wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days at Ninoy Aquino Manila International Airport varies very significantly throughout the year. The wetter season lasts 7.0 months, from May 20 to December 19, with a greater than 40% chance of a given day being a wet day. The month with the most wet days at Ninoy Aquino Manila International Airport is August, with an average of 20.6 days with at least 0.04 inches of precipitation. The drier season lasts 5.0 months, from December 19 to May 20. The month with the fewest wet days at Ninoy Aquino Manila International Airport is March, with an average of 4.4 days with at least 0.04 inches of precipitation. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The month with the most days of rain alone at Ninoy Aquino Manila International Airport is August, with an average of 20.6 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 68% on August 11.
RainfallTo show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Ninoy Aquino Manila International Airport experiences extreme seasonal variation in monthly rainfall. Rain falls throughout the year at Ninoy Aquino Manila International Airport. The month with the most rain at Ninoy Aquino Manila International Airport is August, with an average rainfall of 12.9 inches. The month with the least rain at Ninoy Aquino Manila International Airport is March, with an average rainfall of 1.4 inches.
SunThe length of the day at Ninoy Aquino Manila International Airport varies over the course of the year. In 2024, the shortest day is December 21, with 11 hours, 16 minutes of daylight; the longest day is June 21, with 12 hours, 59 minutes of daylight.
The earliest sunrise is at 5:25 AM on June 2, and the latest sunrise is 59 minutes later at 6:25 AM on January 23. The earliest sunset is at 5:23 PM on November 20, and the latest sunset is 1 hour, 5 minutes later at 6:29 PM on July 7. Daylight saving time (DST) is not observed at Ninoy Aquino Manila International Airport during 2024. The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation. MoonThe figure below presents a compact representation of key lunar data for 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. HumidityWe base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. The perceived humidity level at Ninoy Aquino Manila International Airport, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, staying within 4% of 96% throughout.
WindThis section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. The average hourly wind speed at Ninoy Aquino Manila International Airport experiences significant seasonal variation over the course of the year. The windier part of the year lasts for 5.0 months, from October 30 to March 29, with average wind speeds of more than 8.1 miles per hour. The windiest month of the year at Ninoy Aquino Manila International Airport is December, with an average hourly wind speed of 10.0 miles per hour. The calmer time of year lasts for 7.0 months, from March 29 to October 30. The calmest month of the year at Ninoy Aquino Manila International Airport is May, with an average hourly wind speed of 6.2 miles per hour.
The predominant average hourly wind direction at Ninoy Aquino Manila International Airport varies throughout the year. The wind is most often from the west for 4.1 months, from May 24 to September 28, with a peak percentage of 63% on August 18. The wind is most often from the east for 7.9 months, from September 28 to May 24, with a peak percentage of 92% on January 1. Water TemperatureNinoy Aquino Manila International Airport is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water. The average water temperature experiences some seasonal variation over the course of the year. The time of year with warmer water lasts for 2.7 months, from April 25 to July 16, with an average temperature above 85°F. The month of the year at Ninoy Aquino Manila International Airport with the warmest water is June, with an average temperature of 86°F. The time of year with cooler water lasts for 2.6 months, from December 21 to March 8, with an average temperature below 81°F. The month of the year at Ninoy Aquino Manila International Airport with the coolest water is February, with an average temperature of 80°F.
Best Time of Year to VisitTo characterize how pleasant the weather is at Ninoy Aquino Manila International Airport throughout the year, we compute two travel scores. The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Ninoy Aquino Manila International Airport for general outdoor tourist activities is from late December to early March, with a peak score in the third week of January. Tourism Score at Ninoy Aquino Manila International AirportThe beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Ninoy Aquino Manila International Airport for hot-weather activities is from late December to early April, with a peak score in the first week of March. Beach/Pool Score at Ninoy Aquino Manila International AirportMethodologyFor each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed. Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more. Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter. Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter. Growing SeasonDefinitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). Temperatures at Ninoy Aquino Manila International Airport are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F. Solar EnergyThis section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation. The average daily incident shortwave solar energy experiences some seasonal variation over the course of the year. The brighter period of the year lasts for 2.2 months, from February 22 to April 29, with an average daily incident shortwave energy per square meter above 6.2 kWh. The brightest month of the year at Ninoy Aquino Manila International Airport is March, with an average of 6.6 kWh. The darker period of the year lasts for 6.4 months, from June 2 to December 14, with an average daily incident shortwave energy per square meter below 4.5 kWh. The darkest month of the year at Ninoy Aquino Manila International Airport is August, with an average of 4.0 kWh.
TopographyFor the purposes of this report, the geographical coordinates of Ninoy Aquino Manila International Airport are 14.505 deg latitude, 121.004 deg longitude, and 46 ft elevation. The topography within 2 miles of Ninoy Aquino Manila International Airport contains only modest variations in elevation, with a maximum elevation change of 164 feet and an average elevation above sea level of 32 feet. Within 10 miles contains only modest variations in elevation (531 feet). Within 50 miles contains significant variations in elevation (7,241 feet). The area within 2 miles of Ninoy Aquino Manila International Airport is covered by artificial surfaces (88%), within 10 miles by water (45%) and artificial surfaces (44%), and within 50 miles by water (35%) and cropland (28%). Data SourcesThis report illustrates the typical weather at Ninoy Aquino Manila International Airport, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. Temperature and Dew PointNinoy Aquino Manila International Airport has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required. In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations. The stations on which we may fall back are Danilo Atienza Air Base, Subic Bay International Airport, Clark International Airport, and Calapan. Other DataAll data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . Time zones for airports and weather stations are provided by AskGeo.com . Maps are © OpenStreetMap contributors. DisclaimerThe information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. Please review our full terms contained on our Terms of Service page. |