Fall Weather in Santiago de Cuba Cuba

Daily high temperatures are around 87°F, rarely falling below 83°F or exceeding 91°F.

Daily low temperatures decrease by 4°F, from 76°F to 72°F, rarely falling below 69°F or exceeding 78°F.

For reference, on August 7, the hottest day of the year, temperatures in Santiago de Cuba typically range from 76°F to 89°F, while on January 22, the coldest day of the year, they range from 69°F to 84°F.

The figure below shows you a compact characterization of the hourly average fall temperatures. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Dar es Salaam, Tanzania (8,015 miles away) is the far-away foreign place with temperatures most similar to Santiago de Cuba (view comparison).

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The fall in Santiago de Cuba experiences very rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 70% to 35%. The highest chance of overcast or mostly cloudy conditions is 73% on September 18.

The clearest day of the fall is November 29, with clear, mostly clear, or partly cloudy conditions 65% of the time.

For reference, on June 13, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 75%, while on January 30, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 84%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Santiago de Cuba, the chance of a wet day over the course of the fall is decreasing, starting the season at 12% and ending it at 7%.

For reference, the year's highest daily chance of a wet day is 22% on October 9, and its lowest chance is 4% on January 7.

Rainfall

To show variation within the season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the fall in Santiago de Cuba is decreasing, starting the season at 1.3 inches, when it rarely exceeds 3.3 inches, and ending the season at 0.7 inches, when it rarely exceeds 1.6 inches.

The highest average 31-day accumulation is 2.1 inches on October 7.

Over the course of the fall in Santiago de Cuba, the length of the day is rapidly decreasing. From the start to the end of the season, the length of the day decreases by 1 hour, 29 minutes, implying an average daily decrease of 1 minute, 0 seconds, and weekly decrease of 6 minutes, 57 seconds.

The shortest day of the fall is November 30, with 11 hours, 1 minute of daylight and the longest day is September 1, with 12 hours, 30 minutes of daylight.

The latest sunrise of the fall in Santiago de Cuba is 7:05 AM on November 2 and the earliest sunrise is 1 hour, 0 minutes earlier at 6:06 AM on November 3.

The latest sunset is 7:18 PM on September 1 and the earliest sunset is 1 hour, 56 minutes earlier at 5:22 PM on November 25.

Daylight saving time (DST) starts at 12:00 AM on November 3, 2024, shifting sunrise and sunset to be an hour later.

For reference, on June 20, the longest day of the year, the Sun rises at 6:24 AM and sets 13 hours, 21 minutes later, at 7:45 PM, while on December 21, the shortest day of the year, it rises at 6:34 AM and sets 10 hours, 55 minutes later, at 5:29 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for the fall of 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

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 chance that a given day will be muggy in Santiago de Cuba is rapidly decreasing during the fall, falling from 98% to 80% over the course of the season.

For reference, on August 25, the muggiest day of the year, there are muggy conditions 98% of the time, while on February 26, the least muggy day of the year, there are 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 Santiago de Cuba is increasing during the fall, increasing from 7.8 miles per hour to 9.7 miles per hour over the course of the season.

For reference, on December 18, the windiest day of the year, the daily average wind speed is 9.9 miles per hour, while on October 1, the calmest day of the year, the daily average wind speed is 7.1 miles per hour.

The lowest daily average wind speed during the fall is 7.1 miles per hour on October 2.

The hourly average wind direction in Santiago de Cuba throughout the fall is predominantly from the east, with a peak proportion of 78% on September 1.

Santiago de Cuba 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 surface water temperature in Santiago de Cuba is gradually decreasing during the fall, falling by 3°F, from 85°F to 83°F, over the course of the season.

The highest average surface water temperature during the fall is 85°F on September 7.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Temperatures in Santiago de Cuba are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Santiago de Cuba are very rapidly increasing during the fall, increasing by 2,711°F, from 7,081°F to 9,792°F, over the course of the season.

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 in Santiago de Cuba is essentially constant during the fall, remaining within 0.1 kWh of 4.6 kWh throughout.

The lowest average daily incident shortwave solar energy during the fall is 4.5 kWh on October 5.

For the purposes of this report, the geographical coordinates of Santiago de Cuba are 20.021 deg latitude, -75.827 deg longitude, and 151 ft elevation.

The topography within 2 miles of Santiago de Cuba contains only modest variations in elevation, with a maximum elevation change of 427 feet and an average elevation above sea level of 112 feet. Within 10 miles contains only modest variations in elevation (3,255 feet). Within 50 miles contains large variations in elevation (5,725 feet).

The area within 2 miles of Santiago de Cuba is covered by artificial surfaces (89%), within 10 miles by trees (48%) and water (25%), and within 50 miles by water (44%) and trees (27%).