Average Weather in Sadabe Madagascar

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In Sadabe, 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 48°F to 78°F and is rarely below 44°F or above 84°F.

The warm season lasts for 5.8 months, from October 15 to April 10, with an average daily high temperature above 76°F. The hottest day of the year is December 7, with an average high of 78°F and low of 59°F.

The cool season lasts for 2.5 months, from June 9 to August 24, with an average daily high temperature below 68°F. The coldest day of the year is July 12, with an average low of 48°F and high of 66°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 Sadabe, 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 Sadabe begins around April 7 and lasts for 7.3 months, ending around November 15. On September 5, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 89% of the time, and overcast or mostly cloudy 11% of the time.

The cloudier part of the year begins around November 15 and lasts for 4.7 months, ending around April 7. On January 12, the cloudiest day of the year, the sky is overcast or mostly cloudy 84% of the time, and clear, mostly clear, or partly cloudy 16% 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 Sadabe varies very significantly throughout the year.

The wetter season lasts 4.6 months, from November 18 to April 7, with a greater than 48% chance of a given day being a wet day. The chance of a wet day peaks at 84% on January 26.

The drier season lasts 7.4 months, from April 7 to November 18. The smallest chance of a wet day is 12% on September 10.

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 84% on January 26.

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. Sadabe experiences extreme seasonal variation in monthly rainfall.

Rain falls throughout the year in Sadabe. The most rain falls during the 31 days centered around January 23, with an average total accumulation of 15.7 inches.

The least rain falls around September 3, with an average total accumulation of 0.7 inches.

The length of the day in Sadabe varies over the course of the year. In 2017, the shortest day is June 21, with 11 hours, 1 minute of daylight; the longest day is December 21, with 13 hours, 15 minutes of daylight.

The earliest sunrise is at 5:02 AM on November 25, and the latest sunrise is 1 hour, 20 minutes later at 6:22 AM on July 7. The earliest sunset is at 5:19 PM on June 4, and the latest sunset is 1 hour, 13 minutes later at 6:32 PM on January 17.

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

Sadabe experiences significant seasonal variation in the perceived humidity.

The muggier period of the year lasts for 5.1 months, from November 16 to April 19, during which time the comfort level is muggy, oppressive, or miserable at least 10% of the time. The muggiest day of the year is February 6, with muggy conditions 39% of the time.

The least muggy day of the year is July 9, 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 Sadabe experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 4.1 months, from June 10 to October 14, with average wind speeds of more than 3.9 miles per hour. The windiest day of the year is July 25, with an average hourly wind speed of 4.6 miles per hour.

The calmer time of year lasts for 7.9 months, from October 14 to June 10. The calmest day of the year is December 8, with an average hourly wind speed of 3.2 miles per hour.

The predominant average hourly wind direction in Sadabe 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 15 to December 7, with an average daily incident shortwave energy per square meter above 6.6 kWh. The brightest day of the year is October 31, with an average of 7.1 kWh.

The darker period of the year lasts for 2.6 months, from May 15 to August 3, with an average daily incident shortwave energy per square meter below 5.1 kWh. The darkest day of the year is June 27, with an average of 4.6 kWh.

For the purposes of this report, the geographical coordinates of Sadabe are -18.633 deg latitude, 47.700 deg longitude, and 4,610 ft elevation.

The topography within 2 miles of Sadabe contains very significant variations in elevation, with a maximum elevation change of 1,112 feet and an average elevation above sea level of 4,633 feet. Within 10 miles also contains very significant variations in elevation (1,719 feet). Within 50 miles contains very significant variations in elevation (4,521 feet).

The area within 2 miles of Sadabe is covered by trees (43%), grassland (37%), and shrubs (18%), within 10 miles by grassland (37%) and trees (36%), and within 50 miles by grassland (42%) and trees (35%).

This report illustrates the typical weather in Sadabe, 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 Sadabe.

At a distance of 30 kilometers from Sadabe, 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 Sadabe 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.