Winter Weather in Guadeloupe Guadeloupe

Daily high temperatures are around 84°F, rarely falling below 81°F or exceeding 87°F. The lowest daily average high temperature is 83°F on February 8.

Daily low temperatures are around 71°F, rarely falling below 66°F or exceeding 75°F. The lowest daily average low temperature is 70°F on January 31.

For reference, on August 25, the hottest day of the year, temperatures in Guadeloupe typically range from 76°F to 88°F, while on January 29, the coldest day of the year, they range from 70°F to 83°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.

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The winter in Guadeloupe experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 41% to 30%. The lowest chance of overcast or mostly cloudy conditions is 26% on January 17.

The clearest day of the winter is January 17, with clear, mostly clear, or partly cloudy conditions 74% of the time.

For reference, on September 28, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 67%, while on January 16, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 74%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Guadeloupe, the chance of a wet day over the course of the winter is very rapidly decreasing, starting the season at 29% and ending it at 13%.

For reference, the year's highest daily chance of a wet day is 41% on September 25, and its lowest chance is 11% on March 26.

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 Guadeloupe is very rapidly decreasing, starting the season at 3.1 inches, when it rarely exceeds 7.8 inches or falls below 0.4 inches, and ending the season at 0.7 inches, when it rarely exceeds 1.9 inches.

Over the course of the winter in Guadeloupe, the length of the day is increasing. From the start to the end of the season, the length of the day increases by 35 minutes, implying an average daily increase of 23 seconds, and weekly increase of 2 minutes, 44 seconds.

The shortest day of the winter is December 21, with 11 hours, 10 minutes of daylight and the longest day is February 28, with 11 hours, 49 minutes of daylight.

The earliest sunrise of the winter in Guadeloupe is 6:18 AM on December 1 and the latest sunrise is 20 minutes later at 6:38 AM on January 20.

The earliest sunset is 5:32 PM on December 1 and the latest sunset is 41 minutes later at 6:13 PM on February 28.

Daylight saving time is not observed in Guadeloupe during 2025.

For reference, on June 21, the longest day of the year, the Sun rises at 5:35 AM and sets 13 hours, 6 minutes later, at 6:41 PM, while on December 21, the shortest day of the year, it rises at 6:29 AM and sets 11 hours, 10 minutes later, at 5:39 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 2025. 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 Guadeloupe is rapidly decreasing during the winter, falling from 98% to 87% over the course of the season.

For reference, on August 8, the muggiest day of the year, there are muggy conditions 100% of the time, while on March 2, the least muggy day of the year, there are muggy conditions 86% 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 Guadeloupe is gradually increasing during the winter, increasing from 14.8 miles per hour to 15.7 miles per hour over the course of the season.

For reference, on July 1, the windiest day of the year, the daily average wind speed is 16.9 miles per hour, while on October 9, the calmest day of the year, the daily average wind speed is 12.3 miles per hour.

The highest daily average wind speed during the winter is 16.4 miles per hour on January 14.

The hourly average wind direction in Guadeloupe throughout the winter is predominantly from the east, with a peak proportion of 96% on January 14.

Guadeloupe 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 Guadeloupe is gradually decreasing during the winter, falling by 3°F, from 82°F to 79°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 Guadeloupe 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 Guadeloupe are very rapidly decreasing during the winter, decreasing by 8,250°F, from 9,756°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 Guadeloupe is rapidly increasing during the winter, rising by 1.6 kWh, from 5.0 kWh to 6.5 kWh, over the course of the season.

For the purposes of this report, the geographical coordinates of Guadeloupe are 16.250 deg latitude, -61.583 deg longitude, and 16 ft elevation.

The topography within 2 miles of Guadeloupe contains only modest variations in elevation, with a maximum elevation change of 197 feet and an average elevation above sea level of 51 feet. Within 10 miles contains only modest variations in elevation (2,516 feet). Within 50 miles contains large variations in elevation (4,918 feet).

The area within 2 miles of Guadeloupe is covered by grassland (29%), trees (18%), water (14%), and cropland (14%), within 10 miles by water (43%) and trees (28%), and within 50 miles by water (93%).