Average Weather in Sagua de Tánamo Cuba

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4. Sagua de Tánamo

The climate in Sagua de Tánamo is hot, muggy, and partly cloudy. Over the course of the year, the temperature typically varies from 68°F to 91°F and is rarely below 64°F or above 93°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 Sagua de Tánamo, 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 Sagua de Tánamo begins around November 13 and lasts for 5.8 months, ending around May 8. On February 26, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 83% of the time, and overcast or mostly cloudy 17% of the time.

The cloudier part of the year begins around May 8 and lasts for 6.2 months, ending around November 13. On June 14, the cloudiest day of the year, the sky is overcast or mostly cloudy 75% of the time, and clear, mostly clear, or partly cloudy 25% 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 Sagua de Tánamo varies throughout the year.

The wetter season lasts 6.2 months, from May 6 to November 13, with a greater than 16% chance of a given day being a wet day. The chance of a wet day peaks at 26% on October 11.

The drier season lasts 5.8 months, from November 13 to May 6. The smallest chance of a wet day is 5% on January 7.

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 26% on October 11.

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. Sagua de Tánamo experiences significant seasonal variation in monthly rainfall.

The rainy period of the year lasts for 11 months, from January 13 to December 28, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around October 12, with an average total accumulation of 2.7 inches.

The rainless period of the year lasts for 2.3 weeks, from December 28 to January 13. The least rain falls around January 7, with an average total accumulation of 0.5 inches.

The length of the day in Sagua de Tánamo varies over the course of the year. In 2017, the shortest day is December 21, with 10 hours, 53 minutes of daylight; the longest day is June 21, with 13 hours, 23 minutes of daylight.

The earliest sunrise is at 6:05 AM on November 5, and the latest sunrise is 1 hour, 7 minutes later at 7:11 AM on March 12. The earliest sunset is at 5:18 PM on November 26, and the latest sunset is 2 hours, 27 minutes later at 7:45 PM on July 4.

Daylight saving time (DST) is observed in Sagua de Tánamo during 2017, starting in the spring on March 12, lasting 7.8 months, and ending in the fall on November 5.

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.

Sagua de Tánamo experiences extreme seasonal variation in the perceived humidity.

The muggier period of the year lasts for 9.1 months, from March 27 to December 30, during which time the comfort level is muggy, oppressive, or miserable at least 57% of the time. The muggiest day of the year is September 4, with muggy conditions 98% of the time.

The least muggy day of the year is February 26, with muggy conditions 43% 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 Sagua de Tánamo experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 6.5 months, from October 31 to May 14, with average wind speeds of more than 4.1 miles per hour. The windiest day of the year is December 19, with an average hourly wind speed of 4.7 miles per hour.

The calmer time of year lasts for 5.5 months, from May 14 to October 31. The calmest day of the year is October 3, with an average hourly wind speed of 3.5 miles per hour.

The predominant average hourly wind direction in Sagua de Tánamo is from the east throughout the year.

Sagua de Tánamo 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 3.4 months, from July 20 to October 31, with an average temperature above 83°F. The day of the year with the warmest water is September 14, with an average temperature of 84°F.

The time of year with cooler water lasts for 3.8 months, from December 29 to April 22, with an average temperature below 80°F. The day of the year with the coolest water is February 16, 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 1.9 months, from March 13 to May 9, with an average daily incident shortwave energy per square meter above 6.4 kWh. The brightest day of the year is April 12, with an average of 6.9 kWh.

The darker period of the year lasts for 4.8 months, from August 27 to January 20, with an average daily incident shortwave energy per square meter below 4.9 kWh. The darkest day of the year is December 12, with an average of 4.4 kWh.

For the purposes of this report, the geographical coordinates of Sagua de Tánamo are 20.583 deg latitude, -75.241 deg longitude, and 151 ft elevation.

The topography within 2 miles of Sagua de Tánamo contains significant variations in elevation, with a maximum elevation change of 558 feet and an average elevation above sea level of 131 feet. Within 10 miles contains significant variations in elevation (1,824 feet). Within 50 miles contains very significant variations in elevation (4,104 feet).

The area within 2 miles of Sagua de Tánamo is covered by cropland (56%) and trees (38%), within 10 miles by trees (54%) and cropland (35%), and within 50 miles by water (39%) and trees (35%).

This report illustrates the typical weather in Sagua de Tánamo, 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 are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Sagua de Tánamo.

For each station, the records are corrected for the elevation difference between that station and Sagua de Tánamo according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Sagua de Tánamo is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Sagua de Tánamo and a given station.

The stations contributing to this reconstruction are: Guantanamo Bay Naval Base (43%, 77 kilometers, south); Antonio Maceo International Airport (33%, 92 kilometers, southwest); and Frank País International Airport (24%, 114 kilometers, west).

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.