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December Weather in Middle Island St. Kitts & Nevis

Daily high temperatures are around 83°F, rarely falling below 81°F or exceeding 86°F.

Daily low temperatures are around 76°F, rarely falling below 73°F or exceeding 79°F.

For reference, on August 23, the hottest day of the year, temperatures in Middle Island typically range from 80°F to 87°F, while on February 13, the coldest day of the year, they range from 74°F to 82°F.

Average High and Low Temperature in December in Middle Island

Average High and Low Temperature in December in Middle IslandDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313172°F72°F74°F74°F76°F76°F78°F78°F80°F80°F82°F82°F84°F84°F86°F86°F88°F88°F90°F90°F92°F92°F94°F94°F96°F96°FNovJanDec 184°FDec 184°F77°F77°FDec 3182°FDec 3182°F75°F75°FDec 1183°FDec 1183°F76°F76°FDec 2183°FDec 2183°F76°F76°F
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on December. 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.

Average Hourly Temperature in December in Middle Island

Average Hourly Temperature in December in Middle IslandDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMNovJanwarmhotcomfortable
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Tevaitoa, French Polynesia (6,483 miles away) is the far-away foreign place with temperatures most similar to Middle Island (view comparison).

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The month of December in Middle Island experiences rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 36% to 23%.

The clearest day of the month is December 31, with clear, mostly clear, or partly cloudy conditions 77% of the time.

For reference, on May 29, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 69%, while on January 13, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 80%.

Cloud Cover Categories in December in Middle Island

Cloud Cover Categories in December in Middle IslandDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%NovJanDec 164%Dec 164%Dec 3177%Dec 3177%Dec 1169%Dec 1169%Dec 2174%Dec 2174%clearmostly clearmostly cloudyovercastpartly cloudy
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Middle Island, the chance of a wet day over the course of December is rapidly decreasing, starting the month at 16% and ending it at 9%.

For reference, the year's highest daily chance of a wet day is 28% on September 24, and its lowest chance is 5% on January 17.

Probability of Precipitation in December in Middle Island

The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

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

The average sliding 31-day rainfall during December in Middle Island is rapidly decreasing, starting the month at 1.7 inches, when it rarely exceeds 4.7 inches, and ending the month at 0.7 inches, when it rarely exceeds 2.3 inches.

Average Monthly Rainfall in December in Middle Island

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.

Over the course of December in Middle Island, the length of the day is essentially constant. The shortest day of the month is December 20, with 11 hours, 6 minutes of daylight and the longest day is December 1, with 11 hours, 10 minutes of daylight.

Hours of Daylight and Twilight in December in Middle Island

Hours of Daylight and Twilight in December in Middle IslandDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrNovJanDec 2111 hr, 6 minDec 2111 hr, 6 minnightnightdaydayDec 111 hr, 10 minDec 111 hr, 10 min
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The earliest sunrise of the month in Middle Island is 6:25 AM on December 1 and the latest sunrise is 16 minutes later at 6:41 AM on December 31.

The earliest sunset is 5:35 PM on December 1 and the latest sunset is 13 minutes later at 5:48 PM on December 31.

Daylight saving time is not observed in Middle Island during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:37 AM and sets 13 hours, 10 minutes later, at 6:47 PM, while on December 21, the shortest day of the year, it rises at 6:36 AM and sets 11 hours, 6 minutes later, at 5:42 PM.

Sunrise & Sunset with Twilight in December in Middle Island

The solar day over the course of December. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

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.

Solar Elevation and Azimuth in December in Middle Island

Solar Elevation and Azimuth in December in Middle IslandDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMNovJan00101020202030304040505000010102020303030404050
northeastsouthwest
Solar elevation and azimuth over the course of December 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for December 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.

Moon Rise, Set & Phases in December in Middle Island

Moon Rise, Set & Phases in December in Middle IslandDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNovJanNov 18:48 AMNov 18:48 AMNov 155:29 PMNov 155:29 PMDec 12:22 AMDec 12:22 AMDec 155:02 AMDec 155:02 AMDec 306:28 PMDec 306:28 PMJan 136:28 PMJan 136:28 PMJan 298:37 AMJan 298:37 AM6:08 AM6:08 AM5:42 PM5:42 PM5:21 PM5:21 PM6:57 AM6:57 AM6:42 AM6:42 AM5:52 PM5:52 PM4:57 PM4:57 PM6:48 AM6:48 AM6:26 AM6:26 AM5:35 PM5:35 PM5:47 PM5:47 PM7:24 AM7:24 AM6:53 AM6:53 AM6:24 PM6:24 PM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.
Dec 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
0%6:42 AMESE5:52 PMWSW-12:17 PMS245,438 mi
2
2%7:39 AMESE6:47 PMWSW-1:13 PMS243,359 mi
3
6%8:35 AMESE7:45 PMWSW-2:10 PMS241,227 mi
4
13%9:29 AMESE8:44 PMWSW-3:07 PMS239,081 mi
5
21%10:18 AMESE9:44 PMWSW-4:01 PMS236,940 mi
6
31%11:03 AMESE10:42 PMWSW-4:53 PMS234,823 mi
7
42%11:44 AMESE11:39 PMW-5:42 PMS232,764 mi
8
50%12:23 PME--6:29 PMS230,834 mi
9
65%-12:35 AMW1:02 PME7:16 PMS229,146 mi
10
76%-1:32 AMW1:41 PME8:04 PMS227,851 mi
11
86%-2:30 AMWNW2:23 PMENE8:55 PMS227,125 mi
12
93%-3:31 AMWNW3:09 PMENE9:50 PMN227,128 mi
13
98%-4:36 AMWNW4:00 PMENE10:49 PMN227,977 mi
14
100%-5:42 AMWNW4:57 PMENE11:52 PMN229,695 mi
15
100%-6:48 AMWNW5:59 PMENE--
16
99%-7:50 AMWNW7:02 PMENE12:55 AMN232,196 mi
17
96%-8:46 AMWNW8:04 PMENE1:55 AMN235,285 mi
18
90%-9:34 AMWNW9:02 PMENE2:51 AMN238,689 mi
19
83%-10:17 AMWNW9:56 PMENE3:41 AMN242,112 mi
20
74%-10:54 AMWNW10:46 PME4:27 AMS245,269 mi
21
65%-11:28 AMW11:34 PME5:08 AMS247,918 mi
22
50%-12:00 PMW-5:48 AMS249,876 mi
23
45%12:21 AME12:31 PMW-6:27 AMS251,027 mi
24
36%1:07 AME1:04 PMW-7:05 AMS251,326 mi
25
27%1:55 AMESE1:38 PMWSW-7:46 AMS250,796 mi
26
19%2:44 AMESE2:15 PMWSW-8:29 AMS249,523 mi
27
11%3:37 AMESE2:57 PMWSW-9:16 AMS247,645 mi
28
6%4:32 AMESE3:44 PMWSW-10:08 AMS245,340 mi
29
2%5:29 AMESE4:37 PMWSW-11:03 AMS242,807 mi
30
0%6:26 AMESE5:35 PMWSW-12:01 PMS240,246 mi
31
1%7:22 AMESE6:36 PMWSW-12:59 PMS237,833 mi

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 Middle Island is essentially constant during December, remaining around 99% throughout.

For reference, on May 8, the muggiest day of the year, there are muggy conditions 100% of the time, while on March 5, the least muggy day of the year, there are muggy conditions 94% of the time.

Humidity Comfort Levels in December in Middle Island

Humidity Comfort Levels in December in Middle IslandDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%NovJanDec 199%Dec 199%Dec 3199%Dec 3199%Dec 1198%Dec 1198%Dec 2199%Dec 2199%miserablemiserableoppressiveoppressivemuggymuggyhumidhumid
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

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 Middle Island is increasing during December, increasing from 15.1 miles per hour to 16.2 miles per hour over the course of the month.

For reference, on July 11, 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.

Average Wind Speed in December in Middle Island

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The hourly average wind direction in Middle Island throughout December is predominantly from the east, with a peak proportion of 93% on December 31.

Wind Direction in December in Middle Island

Wind Direction in December in Middle IslandDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%NovJaneastsouth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Middle Island 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 Middle Island is essentially constant during December, remaining within 1°F of 81°F throughout.

Average Water Temperature in December in Middle Island

Average Water Temperature in December in Middle IslandDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313178°F78°F79°F79°F80°F80°F81°F81°F82°F82°F83°F83°F84°F84°F85°F85°FNovJanDec 182°FDec 182°FDec 3180°FDec 3180°FDec 1181°FDec 1181°FDec 2181°FDec 2181°F
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

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 Middle Island 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.

Time Spent in Various Temperature Bands and the Growing Season in December in Middle Island

Time Spent in Various Temperature Bands and the Growing Season in December in Middle IslandDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%NovJan100%Dec 16100%Dec 16comfortablewarmhot
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

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 Middle Island are rapidly increasing during December, increasing by 864°F, from 10,188°F to 11,052°F, over the course of the month.

Growing Degree Days in December in Middle Island

Growing Degree Days in December in Middle IslandDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313110,000°F10,000°F10,200°F10,200°F10,400°F10,400°F10,600°F10,600°F10,800°F10,800°F11,000°F11,000°F11,200°F11,200°FNovJanDec 110,188°FDec 110,188°FDec 3111,052°FDec 3111,052°FDec 1110,483°FDec 1110,483°FDec 2110,771°FDec 2110,771°F
The average growing degree days accumulated over the course of December, with 25th to 75th and 10th to 90th percentile bands.

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 Middle Island is essentially constant during December, remaining within 0.1 kWh of 5.0 kWh throughout.

Average Daily Incident Shortwave Solar Energy in December in Middle Island

Average Daily Incident Shortwave Solar Energy in December in Middle IslandDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWhNovJanDec 14.9 kWhDec 14.9 kWhDec 315.1 kWhDec 315.1 kWhDec 114.9 kWhDec 114.9 kWhDec 215.0 kWhDec 215.0 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Middle Island are 17.326 deg latitude, -62.811 deg longitude, and 46 ft elevation.

The topography within 2 miles of Middle Island contains very significant variations in elevation, with a maximum elevation change of 1,936 feet and an average elevation above sea level of 338 feet. Within 10 miles contains very significant variations in elevation (3,445 feet). Within 50 miles also contains extreme variations in elevation (3,471 feet).

The area within 2 miles of Middle Island is covered by water (51%), trees (29%), and grassland (11%), within 10 miles by water (84%), and within 50 miles by water (99%).

This report illustrates the typical weather in Middle Island, 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Middle Island.

For each station, the records are corrected for the elevation difference between that station and Middle Island 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 Middle Island is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Middle Island and a given station.

The stations contributing to this reconstruction are:

To get a sense of how much these sources agree with each other, you can view a comparison of Middle Island and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , 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 airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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