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January Weather in Saint-Louis du Sud Haiti

Daily high temperatures are around 83°F, rarely falling below 81°F or exceeding 85°F. The lowest daily average high temperature is 83°F on January 28.

Daily low temperatures are around 76°F, rarely falling below 74°F or exceeding 78°F.

For reference, on August 7, the hottest day of the year, temperatures in Saint-Louis du Sud typically range from 81°F to 88°F, while on January 28, the coldest day of the year, they range from 76°F to 83°F.

Average High and Low Temperature in January in Saint-Louis du Sud

Average High and Low Temperature in January in Saint-Louis du SudJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313174°F74°F76°F76°F78°F78°F80°F80°F82°F82°F84°F84°F86°F86°F88°F88°FDecFebJan 2483°FJan 2483°F76°F76°FJan 184°FJan 184°F77°F77°FJan 1183°FJan 1183°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 January. 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 January in Saint-Louis du Sud

Average Hourly Temperature in January in Saint-Louis du SudJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMDecFebwarm
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.

Faanui, French Polynesia (5,839 miles away); Binabalian, Philippines (9,882 miles); and Pandan, Philippines (10,176 miles) are the far-away foreign places with temperatures most similar to Saint-Louis du Sud (view comparison).

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The month of January in Saint-Louis du Sud experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 21% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 19% on January 13.

The clearest day of the month is January 13, with clear, mostly clear, or partly cloudy conditions 81% of the time.

For reference, on June 9, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 79%, while on January 13, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 81%.

Cloud Cover Categories in January in Saint-Louis du Sud

Cloud Cover Categories in January in Saint-Louis du SudJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFebJun 921%Jun 921%Jan 178%Jan 178%Jan 3180%Jan 3180%Jan 1180%Jan 1180%Jan 2180%Jan 2180%clearmostly clearpartly cloudymostly cloudyovercast
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 Saint-Louis du Sud, the chance of a wet day over the course of January is essentially constant, remaining around 6% throughout.

For reference, the year's highest daily chance of a wet day is 21% on October 10, and its lowest chance is 5% on December 28.

Probability of Precipitation in January in Saint-Louis du Sud

Probability of Precipitation in January in Saint-Louis du SudJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%1%1%2%2%3%3%4%4%5%5%6%6%7%7%8%8%9%9%10%10%11%11%12%12%DecFebJan 15%Jan 15%Jan 317%Jan 317%Jan 115%Jan 115%Jan 215%Jan 215%rain
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 January in Saint-Louis du Sud is essentially constant, remaining about 0.4 inches throughout, and rarely exceeding 1.1 inches.

The lowest average 31-day accumulation is 0.3 inches on January 8.

Average Monthly Rainfall in January in Saint-Louis du Sud

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 January in Saint-Louis du Sud, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 17 minutes, implying an average daily increase of 33 seconds, and weekly increase of 3 minutes, 52 seconds.

The shortest day of the month is January 1, with 11 hours, 3 minutes of daylight and the longest day is January 31, with 11 hours, 20 minutes of daylight.

Hours of Daylight and Twilight in January in Saint-Louis du Sud

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 Saint-Louis du Sud is 6:25 AM on January 1 and the latest sunrise is 3 minutes later at 6:29 AM on January 19.

The earliest sunset is 5:29 PM on January 1 and the latest sunset is 18 minutes later at 5:47 PM on January 31.

Daylight saving time is observed in Saint-Louis du Sud during 2024, but it neither starts nor ends during January, so the entire month is in daylight saving time.

For reference, on June 20, the longest day of the year, the Sun rises at 6:19 AM and sets 13 hours, 14 minutes later, at 7:32 PM, while on December 21, the shortest day of the year, it rises at 6:21 AM and sets 11 hours, 2 minutes later, at 5:23 PM.

Sunrise & Sunset with Twilight in January in Saint-Louis du Sud

Sunrise & Sunset with Twilight in January in Saint-Louis du SudJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMDecFeb6:25 AM6:25 AMJan 15:29 PMJan 15:29 PM6:27 AM6:27 AMJan 315:47 PMJan 315:47 PM6:29 AM6:29 AMJan 195:40 PMJan 195:40 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of January. 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 January in Saint-Louis du Sud

Solar Elevation and Azimuth in January in Saint-Louis du SudJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMDecFeb0010102020203030404050500001010202030303040405060
northeastsouthwest
Solar elevation and azimuth over the course of January 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 January 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 January in Saint-Louis du Sud

Moon Rise, Set & Phases in January in Saint-Louis du SudJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMDecFebDec 126:33 PMDec 126:33 PMDec 267:34 PMDec 267:34 PMJan 116:58 AMJan 116:58 AMJan 2512:55 PMJan 2512:55 PMFeb 96:00 PMFeb 96:00 PMFeb 247:31 AMFeb 247:31 AM5:53 AM5:53 AM5:03 PM5:03 PM5:09 PM5:09 PM7:01 AM7:01 AM6:43 AM6:43 AM5:56 PM5:56 PM5:48 PM5:48 PM7:15 AM7:15 AM6:15 AM6:15 AM5:47 PM5:47 PM5:27 PM5:27 PM6:28 AM6:28 AM
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.
Jan 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
75%-10:27 AMW10:25 PME4:04 AMS251,574 mi
2
66%-10:59 AMW11:12 PME4:43 AMS251,382 mi
3
50%-11:30 AMW11:59 PME5:22 AMS250,370 mi
4
47%-12:02 PMW-6:01 AMS248,535 mi
5
37%12:48 AME12:36 PMWSW-6:42 AMS245,940 mi
6
28%1:40 AMESE1:14 PMWSW-7:27 AMS242,724 mi
7
19%2:35 AMESE1:58 PMWSW-8:16 AMS239,098 mi
8
11%3:35 AMESE2:48 PMWSW-9:10 AMS235,342 mi
9
5%4:37 AMESE3:45 PMWSW-10:11 AMS231,780 mi
10
1%5:41 AMESE4:49 PMWSW-11:15 AMS228,748 mi
11
0%6:43 AMESE5:56 PMWSW-12:20 PMS226,533 mi
12
2%7:39 AMESE7:04 PMWSW-1:22 PMS225,322 mi
13
7%8:29 AMESE8:09 PMWSW-2:20 PMS225,163 mi
14
15%9:15 AMESE9:11 PMW-3:13 PMS225,975 mi
15
25%9:56 AME10:10 PMW-4:02 PMS227,578 mi
16
36%10:35 AME11:07 PMW-4:50 PMS229,747 mi
17
50%11:13 AME--5:37 PMS232,250 mi
18
59%-12:04 AMWNW11:53 AMENE6:25 PMS234,889 mi
19
70%-1:02 AMWNW12:34 PMENE7:15 PMN237,515 mi
20
79%-2:00 AMWNW1:20 PMENE8:08 PMN240,034 mi
21
87%-3:00 AMWNW2:09 PMENE9:02 PMN242,394 mi
22
93%-3:58 AMWNW3:02 PMENE9:58 PMN244,573 mi
23
98%-4:54 AMWNW3:57 PMENE10:53 PMN246,557 mi
24
100%-5:46 AMWNW4:54 PMENE11:45 PMN248,327 mi
25
100%-6:33 AMWNW5:48 PMENE--
26
100%-7:15 AMWNW6:41 PMENE12:34 AMN249,843 mi
27
98%-7:52 AMWNW7:32 PMENE1:19 AMS251,042 mi
28
94%-8:27 AMWNW8:20 PME2:01 AMS251,841 mi
29
89%-8:59 AMW9:07 PME2:41 AMS252,139 mi
30
82%-9:30 AMW9:53 PME3:19 AMS251,838 mi
31
74%-10:01 AMW10:41 PME3:58 AMS250,852 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 Saint-Louis du Sud is gradually decreasing during January, falling from 92% to 88% over the course of the month.

For reference, on May 28, the muggiest day of the year, there are muggy conditions 100% of the time, while on February 27, the least muggy day of the year, there are muggy conditions 87% of the time.

Humidity Comfort Levels in January in Saint-Louis du Sud

Humidity Comfort Levels in January in Saint-Louis du SudJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%DecFebJan 192%Jan 192%Jan 3188%Jan 3188%Jan 1192%Jan 1192%Jan 2190%Jan 2190%oppressiveoppressivemuggymuggyhumidhumid
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 Saint-Louis du Sud is essentially constant during January, remaining within 0.1 miles per hour of 9.4 miles per hour throughout.

For reference, on June 16, the windiest day of the year, the daily average wind speed is 10.7 miles per hour, while on October 19, the calmest day of the year, the daily average wind speed is 7.4 miles per hour.

Average Wind Speed in January in Saint-Louis du Sud

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 Saint-Louis du Sud throughout January is predominantly from the east, with a peak proportion of 77% on January 2.

Wind Direction in January in Saint-Louis du Sud

Wind Direction in January in Saint-Louis du SudJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%DecFebeastnorth
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).

Saint-Louis du Sud 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 Saint-Louis du Sud is essentially constant during January, remaining around 81°F throughout.

Average Water Temperature in January in Saint-Louis du Sud

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 Saint-Louis du Sud 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 January in Saint-Louis du Sud

Time Spent in Various Temperature Bands and the Growing Season in January in Saint-Louis du SudJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFeb100%Jan 16100%Jan 16warmhotcomfortable
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 Saint-Louis du Sud are rapidly increasing during January, increasing by 882°F, from 31°F to 912°F, over the course of the month.

Growing Degree Days in January in Saint-Louis du Sud

Growing Degree Days in January in Saint-Louis du SudJan1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131100°F100°F200°F200°F300°F300°F400°F400°F500°F500°F600°F600°F700°F700°F800°F800°F900°F900°FDecFebJan 131°FJan 131°FJan 31912°FJan 31912°FJan 11326°FJan 11326°FJan 21620°FJan 21620°F
The average growing degree days accumulated over the course of January, 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 Saint-Louis du Sud is gradually increasing during January, rising by 0.6 kWh, from 5.0 kWh to 5.6 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in January in Saint-Louis du Sud

Average Daily Incident Shortwave Solar Energy in January in Saint-Louis du SudJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWhDecFebJan 15.0 kWhJan 15.0 kWhJan 315.6 kWhJan 315.6 kWhJan 115.1 kWhJan 115.1 kWhJan 215.4 kWhJan 215.4 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 Saint-Louis du Sud are 18.262 deg latitude, -73.546 deg longitude, and 39 ft elevation.

The topography within 2 miles of Saint-Louis du Sud contains large variations in elevation, with a maximum elevation change of 2,051 feet and an average elevation above sea level of 385 feet. Within 10 miles contains large variations in elevation (4,501 feet). Within 50 miles also contains extreme variations in elevation (7,723 feet).

The area within 2 miles of Saint-Louis du Sud is covered by cropland (36%), water (23%), trees (20%), and grassland (17%), within 10 miles by water (42%) and cropland (26%), and within 50 miles by water (71%) and cropland (12%).

This report illustrates the typical weather in Saint-Louis du Sud, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Saint-Louis du Sud is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . 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.

The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of Saint-Louis du Sud, according to the International Standard Atmosphere .

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.

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.

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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.

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