Average Weather in Mahalina Madagascar

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In Mahalina, the wet season is hot and overcast; the dry season is warm, windy, and mostly clear; and it is oppressive year round. Over the course of the year, the temperature typically varies from 72°F to 87°F and is rarely below 70°F or above 89°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.

In Mahalina, the average percentage of the sky covered by clouds experiences extreme seasonal variation over the course of the year.

The clearer part of the year in Mahalina begins around April 14 and lasts for 7.4 months, ending around November 26. On August 27, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 87% of the time, and overcast or mostly cloudy 13% of the time.

The cloudier part of the year begins around November 26 and lasts for 4.6 months, ending around April 14. On February 11, the cloudiest day of the year, the sky is overcast or mostly cloudy 81% of the time, and clear, mostly clear, or partly cloudy 19% of the time.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Mahalina varies very significantly throughout the year.

The wetter season lasts 3.4 months, from December 15 to March 28, with a greater than 33% chance of a given day being a wet day. The chance of a wet day peaks at 65% on February 4.

The drier season lasts 8.6 months, from March 28 to December 15. The smallest chance of a wet day is 0% on August 25.

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 65% on February 4.

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 of the year. Mahalina experiences extreme seasonal variation in monthly rainfall.

The rainy period of the year lasts for 5.7 months, from November 16 to May 8, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around February 5, with an average total accumulation of 7.7 inches.

The rainless period of the year lasts for 6.3 months, from May 8 to November 16. The least rain falls around September 2, with an average total accumulation of 0.0 inches.

The length of the day in Mahalina does not vary substantially over the course of the year, staying within 52 minutes of 12 hours throughout. In 2017, the shortest day is June 21, with 11 hours, 23 minutes of daylight; the longest day is December 21, with 12 hours, 52 minutes of daylight.

The earliest sunrise is at 5:08 AM on November 20, and the latest sunrise is 59 minutes later at 6:07 AM on July 11. The earliest sunset is at 5:25 PM on May 31, and the latest sunset is 53 minutes later at 6:18 PM on January 24.

Daylight saving time (DST) is not observed in Mahalina during 2017.

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.

Mahalina experiences significant seasonal variation in the perceived humidity.

The muggier period of the year lasts for 9.9 months, from September 13 to July 9, during which time the comfort level is muggy, oppressive, or miserable at least 70% of the time. The muggiest day of the year is February 27, with muggy conditions 100% of the time.

The least muggy day of the year is August 13, with muggy conditions 60% of the time.

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 in Mahalina experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 6.4 months, from May 4 to November 15, with average wind speeds of more than 7.6 miles per hour. The windiest day of the year is September 3, with an average hourly wind speed of 10.0 miles per hour.

The calmer time of year lasts for 5.6 months, from November 15 to May 4. The calmest day of the year is March 2, with an average hourly wind speed of 5.3 miles per hour.

The predominant average hourly wind direction in Mahalina varies throughout the year.

The wind is most often from the east for 9.8 months, from March 5 to December 30, with a peak percentage of 95% on September 25. The wind is most often from the west for 2.2 months, from December 30 to March 5, with a peak percentage of 43% on January 1.

Mahalina 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 5.1 months, from December 14 to May 18, with an average temperature above 83°F. The day of the year with the warmest water is April 2, with an average temperature of 84°F.

The time of year with cooler water lasts for 3.2 months, from July 9 to October 14, with an average temperature below 79°F. The day of the year with the coolest water is August 19, with an average temperature of 78°F.

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 2.4 months, from September 15 to November 28, with an average daily incident shortwave energy per square meter above 7.0 kWh. The brightest day of the year is October 24, with an average of 7.5 kWh.

The darker period of the year lasts for 2.8 months, from January 5 to March 31, with an average daily incident shortwave energy per square meter below 5.7 kWh. The darkest day of the year is February 18, with an average of 5.2 kWh.

For the purposes of this report, the geographical coordinates of Mahalina are -12.533 deg latitude, 48.817 deg longitude, and 0 ft elevation.

The topography within 2 miles of Mahalina contains significant variations in elevation, with a maximum elevation change of 502 feet and an average elevation above sea level of 57 feet. Within 10 miles contains significant variations in elevation (1,703 feet). Within 50 miles contains very significant variations in elevation (4,843 feet).

The area within 2 miles of Mahalina is covered by water (60%), grassland (19%), and trees (13%), within 10 miles by water (66%) and grassland (14%), and within 50 miles by water (69%) and grassland (13%).

This report illustrates the typical weather in Mahalina, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Mahalina is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . 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.

The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of Mahalina, according to the International Standard Atmosphere .

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.

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 .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.