Winter Weather in Abraham’s Bay Bahamas

Daily high temperatures are around 78°F, rarely falling below 74°F or exceeding 81°F.

Daily low temperatures are around 76°F, rarely falling below 72°F or exceeding 80°F.

For reference, on August 17, the hottest day of the year, temperatures in Abraham’s Bay typically range from 82°F to 84°F, while on February 29, the coldest day of the year, they range from 75°F to 77°F.

The figure below shows you a compact characterization of the hourly average winter 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.

Neiafu, Tonga (7,388 miles away); Sokoni, Tanzania (7,833 miles); and San Vicente, Philippines (9,444 miles) are the far-away foreign places with temperatures most similar to Abraham’s Bay (view comparison).

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The winter in Abraham’s Bay experiences rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 31% to 17%. The lowest chance of overcast or mostly cloudy conditions is 16% on February 15.

The clearest day of the winter is February 15, with clear, mostly clear, or partly cloudy conditions 84% of the time.

For reference, on June 2, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 69%, while on February 15, 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 Abraham’s Bay, the chance of a wet day over the course of the winter is decreasing, starting the season at 15% and ending it at 10%.

For reference, the year's highest daily chance of a wet day is 28% on October 14, and its lowest chance is 6% on July 23.

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 winter in Abraham’s Bay is decreasing, starting the season at 1.2 inches, when it rarely exceeds 3.2 inches or falls below 0.1 inches, and ending the season at 0.6 inches, when it rarely exceeds 1.6 inches or falls below 0.1 inches.

The lowest average 31-day accumulation is 0.5 inches on January 8.

Over the course of the winter in Abraham’s Bay, the length of the day is increasing. From the start to the end of the season, the length of the day increases by 50 minutes, implying an average daily increase of 34 seconds, and weekly increase of 3 minutes, 56 seconds.

The shortest day of the winter is December 21, with 10 hours, 46 minutes of daylight and the longest day is February 28, with 11 hours, 42 minutes of daylight.

The latest sunrise of the winter in Abraham’s Bay is 6:33 AM on January 15 and the earliest sunrise is 20 minutes earlier at 6:13 AM on February 28.

The earliest sunset is 5:06 PM on December 1 and the latest sunset is 48 minutes later at 5:55 PM on February 28.

Daylight saving time is observed in Abraham’s Bay during 2024, but it neither starts nor ends during the winter, so the entire season is in daylight saving time.

For reference, on June 20, the longest day of the year, the Sun rises at 6:08 AM and sets 13 hours, 30 minutes later, at 7:38 PM, while on December 21, the shortest day of the year, it rises at 6:27 AM and sets 10 hours, 46 minutes later, at 5:13 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 winter 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 Abraham’s Bay is rapidly decreasing during the winter, falling from 95% to 76% over the course of the season.

For reference, on June 5, the muggiest day of the year, there are muggy conditions 100% of the time, while on March 4, the least muggy day of the year, there are muggy conditions 76% 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 Abraham’s Bay is gradually decreasing during the winter, decreasing from 15.5 miles per hour to 14.7 miles per hour over the course of the season.

For reference, on December 23, the windiest day of the year, the daily average wind speed is 15.7 miles per hour, while on October 3, the calmest day of the year, the daily average wind speed is 12.0 miles per hour.

The highest daily average wind speed during the winter is 15.7 miles per hour on December 23.

The hourly average wind direction in Abraham’s Bay throughout the winter is predominantly from the east, with a peak proportion of 77% on December 9.

Abraham’s Bay 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 Abraham’s Bay is gradually decreasing during the winter, falling by 3°F, from 81°F to 77°F, over the course of the season.

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 Abraham’s Bay 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 Abraham’s Bay are very rapidly decreasing during the winter, decreasing by 8,430°F, from 9,936°F to 1,506°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 Abraham’s Bay is rapidly increasing during the winter, rising by 1.6 kWh, from 4.3 kWh to 5.9 kWh, over the course of the season.

The lowest average daily incident shortwave solar energy during the winter is 4.2 kWh on December 17.

For the purposes of this report, the geographical coordinates of Abraham’s Bay are 22.367 deg latitude, -72.967 deg longitude, and 23 ft elevation.

The topography within 2 miles of Abraham’s Bay is essentially flat, with a maximum elevation change of 82 feet and an average elevation above sea level of 15 feet. Within 10 miles is essentially flat (141 feet). Within 50 miles also contains only modest variations in elevation (138 feet).

The area within 2 miles of Abraham’s Bay is covered by water (60%) and trees (23%), within 10 miles by water (83%), and within 50 miles by water (99%).