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Average Weather at Ninoy Aquino Manila International Airport Philippines

Ninoy Aquino Manila International Airport has a tropical monsoon climate with short dry season. The temperature typically varies from 73°F to 93°F over the course of the year, and is rarely below 69°F or above 96°F.

The hot season lasts for 46 days, from April 5 to May 21, with an average daily high temperature above 92°F. The hottest day of the year is April 27, with an average high of 93°F and low of 79°F.

The cool season lasts for 82 days, from November 23 to February 13, with an average daily high temperature below 87°F. The coldest day of the year is January 21, with an average low of 73°F and high of 86°F.

Average High and Low Temperature

The daily average high (red line) and low (blue line) temperature with percentile bands, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

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.

Average Hourly Temperature

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDeccomfortablecomfortablewarmwarmhothot
The average hourly temperature, color coded into bands: frigid < 15°F < freezing < 32°F < chilly < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The shaded overlays indicate night and civil twilight.

Sun

The length of the day at Ninoy Aquino Manila International Airport varies over the course of the year. In 2017, 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.

Hours of Daylight and Twilight

The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

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 21, and the latest sunset is 1 hour, 5 minutes later at 6:29 PM on July 8.

Daylight saving time (DST) is not observed at Ninoy Aquino Manila International Airport during 2017.

Sunrise & Sunset with Twilight

The solar day over the course of the year 2017. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

Clouds

At 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 22 and lasts for 154 days, ending around April 25. On February 22, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 53% of the time, and overcast or mostly cloudy 47% of the time.

The cloudier part of the year begins around April 25 and lasts for 211 days, ending around November 22. On June 7, the cloudiest day of the year, the sky is overcast or mostly cloudy 94% of the time, and clear, mostly clear, or partly cloudy 6% of the time.

Cloud Cover

clearerclearerclearerclearercloudiercloudier0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJun 794%Jun 794%Feb 2247%Feb 2247%Nov 2271%Nov 2271%Apr 2571%Apr 2571%overcastovercastmostly cloudymostly cloudymostly clearmostly clearclearclear
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds: clear < 20% < mostly clear < 40% < partly cloudy < 60% < mostly cloudy < 80% < overcast.

Precipitation

A 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 212 days, from May 22 to December 20, with a greater than 41% chance of a given day being a wet day. The chance of a wet day peaks at 68% on August 12.

The drier season lasts 153 days, from December 20 to May 22. The smallest chance of a wet day is 13% on March 21.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 68% on August 12.

Daily Chance of Precipitation

The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

To 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 in the year. Ninoy Aquino Manila International Airport experiences very significant seasonal variation in monthly rainfall.

Rain falls throughout the year at Ninoy Aquino Manila International Airport. The most rain falls during the 31 days centered around August 7, with an average total accumulation of 13.1 inches.

The least rain falls around March 21, with and average total accumulation of 1.4 inches.

Average Monthly Rainfall

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average liquid-equivalent snowfall.

Humidity

We 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.

Humidity Comfort Levels

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJan 2391%Jan 2391%100%Jul 25100%Jul 25miserablemiserableoppressiveoppressivemuggymuggy
The percentage of time spent at various humidity comfort levels, categorized by dew point: dry < 55°F < comfortable < 60°F < humid < 65°F < muggy < 70°F < oppressive < 75°F < miserable.

Wind

This 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 mildly seasonal variation over the course of the year.

The windier part of the year lasts for 151 days, from October 30 to March 30, with average wind speeds of more than 4.3 miles per hour. The windiest day of the year is December 18, with an average hourly wind speed of 5.5 miles per hour.

The calmer time of year lasts for 214 days, from March 30 to October 30. The calmest day of the year is May 31, with an average hourly wind speed of 3.2 miles per hour.

Average Wind Speed

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

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 127 days, from May 25 to September 29, with a peak percentage of 64% on August 19. The wind is most often from the east for 238 days, from September 29 to May 25, with a peak percentage of 95% on February 13.

Wind Direction

EEWWEE0%20%40%60%80%100%JanFebMarAprMayJunJulAugSepOctNovDecwestwestsouthsoutheasteastnorthnorth
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions (north, east, south, and west), excluding hours in which the mean wind speed is less than 1 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Water Temperature

Ninoy 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 82 days, from April 26 to July 17, with an average temperature above 85°F. The day of the year with the warmest water is May 31, with an average temperature of 86°F.

The time of year with cooler water lasts for 79 days, from December 21 to March 10, with an average temperature below 81°F. The day of the year with the coolest water is January 26, with an average temperature of 80°F.

Average Water Temperature

The daily average water temperature (purple line) with percentile bands, with 25th to 75th and 10th to 90th percentile bands.

Solar Energy

This 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 68 days, from February 22 to May 1, with an average daily incident shortwave energy per square meter above 6.1 kWh. The brightest day of the year is March 31, with an average of 6.7 kWh.

The darker period of the year lasts for 197 days, from June 2 to December 16, with an average daily incident shortwave energy per square meter below 4.5 kWh. The darkest day of the year is August 19, with an average of 4.0 kWh.

Average Daily Incident Shortwave Solar Energy

The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

Topography

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%).

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 significant variations in elevation (531 feet). Within 50 miles contains extreme variations in elevation (7,241 feet).

Data Sources

This 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 Point

Ninoy 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 Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , 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 aiports and weather stations are provided by AskGeo.com .