Average Weather in Soavinandriana Madagascar

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In Soavinandriana, the wet season is warm and overcast and the dry season is comfortable and mostly clear. Over the course of the year, the temperature typically varies from 46°F to 81°F and is rarely below 41°F or above 88°F.

The warm season lasts for 3.0 months, from September 25 to December 25, with an average daily high temperature above 79°F. The hottest day of the year is November 3, with an average high of 81°F and low of 57°F.

The cool season lasts for 2.4 months, from May 31 to August 12, with an average daily high temperature below 72°F. The coldest day of the year is July 8, with an average low of 46°F and high of 69°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 Soavinandriana, 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 Soavinandriana begins around April 7 and lasts for 7.1 months, ending around November 10. On July 8, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 93% of the time, and overcast or mostly cloudy 7% of the time.

The cloudier part of the year begins around November 10 and lasts for 4.9 months, ending around April 7. On January 12, the cloudiest day of the year, the sky is overcast or mostly cloudy 85% of the time, and clear, mostly clear, or partly cloudy 15% 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 Soavinandriana varies very significantly throughout the year.

The wetter season lasts 5.0 months, from November 2 to April 2, with a greater than 43% chance of a given day being a wet day. The chance of a wet day peaks at 82% on January 23.

The drier season lasts 7.0 months, from April 2 to November 2. The smallest chance of a wet day is 3% on September 1.

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 82% on January 23.

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. Soavinandriana experiences extreme seasonal variation in monthly rainfall.

The rainy period of the year lasts for 8.1 months, from September 17 to May 21, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around January 23, with an average total accumulation of 16.3 inches.

The rainless period of the year lasts for 3.9 months, from May 21 to September 17. The least rain falls around June 15, with an average total accumulation of 0.2 inches.

The length of the day in Soavinandriana varies over the course of the year. In 2017, the shortest day is June 21, with 10 hours, 58 minutes of daylight; the longest day is December 21, with 13 hours, 17 minutes of daylight.

The earliest sunrise is at 5:05 AM on November 25, and the latest sunrise is 1 hour, 22 minutes later at 6:27 AM on July 7. The earliest sunset is at 5:22 PM on June 5, and the latest sunset is 1 hour, 15 minutes later at 6:37 PM on January 17.

Daylight saving time (DST) is not observed in Soavinandriana 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.

Soavinandriana experiences significant seasonal variation in the perceived humidity.

The muggier period of the year lasts for 4.9 months, from November 21 to April 17, during which time the comfort level is muggy, oppressive, or miserable at least 9% of the time. The muggiest day of the year is February 5, with muggy conditions 33% of the time.

The least muggy day of the year is July 13, when muggy conditions are essentially unheard of.

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 Soavinandriana experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 3.6 months, from June 11 to September 30, with average wind speeds of more than 4.2 miles per hour. The windiest day of the year is August 2, with an average hourly wind speed of 4.9 miles per hour.

The calmer time of year lasts for 8.4 months, from September 30 to June 11. The calmest day of the year is December 7, with an average hourly wind speed of 3.4 miles per hour.

The predominant average hourly wind direction in Soavinandriana is from the east throughout the year.

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 2.7 months, from September 7 to November 28, with an average daily incident shortwave energy per square meter above 6.6 kWh. The brightest day of the year is October 2, with an average of 7.0 kWh.

The darker period of the year lasts for 2.6 months, from May 8 to July 28, with an average daily incident shortwave energy per square meter below 5.4 kWh. The darkest day of the year is June 15, with an average of 5.0 kWh.

For the purposes of this report, the geographical coordinates of Soavinandriana are -19.167 deg latitude, 46.733 deg longitude, and 4,849 ft elevation.

The topography within 2 miles of Soavinandriana contains very significant variations in elevation, with a maximum elevation change of 1,112 feet and an average elevation above sea level of 4,906 feet. Within 10 miles contains very significant variations in elevation (2,717 feet). Within 50 miles contains large variations in elevation (6,969 feet).

The area within 2 miles of Soavinandriana is covered by trees (41%), grassland (26%), and shrubs (23%), within 10 miles by grassland (57%) and trees (29%), and within 50 miles by grassland (61%) and trees (26%).

This report illustrates the typical weather in Soavinandriana, 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

There is only a single weather station, Ivato International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Soavinandriana.

At a distance of 89 kilometers from Soavinandriana, closer than our threshold of 150 kilometers, this station is deemed sufficiently nearby to be relied upon as our primary source for temperature and dew point records.

The station records are corrected for the elevation difference between the station and Soavinandriana according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

Please note that the station records themselves may additionally have been back-filled using other nearby stations or the MERRA-2 reanalysis.

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 .

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