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April Weather in Mon Repos Trinidad & Tobago

Daily high temperatures are around 89°F, rarely falling below 86°F or exceeding 92°F. The highest daily average high temperature is 89°F on April 25.

Daily low temperatures are around 75°F, rarely falling below 71°F or exceeding 78°F.

For reference, on September 13, the hottest day of the year, temperatures in Mon Repos typically range from 75°F to 89°F, while on January 20, the coldest day of the year, they range from 72°F to 86°F.

Average High and Low Temperature in April in Mon Repos

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 April. 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 April in Mon Repos

Average Hourly Temperature in April in Mon Repos1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMMarMaycomfortablewarmwarmhot
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.

Bandar Lampung, Indonesia (11,480 miles away); Tabanan, Indonesia (12,187 miles); and Sinjai, Indonesia (12,075 miles) are the far-away foreign places with temperatures most similar to Mon Repos (view comparison).

Compare Mon Repos to another city:

Clouds

The month of April in Mon Repos experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 72% throughout the month. The highest chance of overcast or mostly cloudy conditions is 74% on April 19.

The clearest day of the month is April 1, with clear, mostly clear, or partly cloudy conditions 29% of the time.

For reference, on April 19, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 74%, while on July 11, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 38%.

Cloud Cover Categories in April in Mon Repos

Cloud Cover Categories in April in Mon Repos181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MarMayJul 1138%Jul 1138%Apr 129%Apr 129%Apr 3027%Apr 3027%Apr 1127%Apr 1127%Apr 2126%Apr 2126%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.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Mon Repos, the chance of a wet day over the course of April is very rapidly increasing, starting the month at 8% and ending it at 19%.

For reference, the year's highest daily chance of a wet day is 55% on July 4, and its lowest chance is 7% on March 15.

Probability of Precipitation in April in Mon Repos

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 April in Mon Repos is rapidly increasing, starting the month at 0.7 inches, when it rarely exceeds 1.7 inches, and ending the month at 1.7 inches, when it rarely exceeds 4.5 inches or falls below 0.2 inches.

Average Monthly Rainfall in April in Mon Repos

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 liquid-equivalent snowfall.

Sun

Over the course of April in Mon Repos, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 16 minutes, implying an average daily increase of 32 seconds, and weekly increase of 3 minutes, 46 seconds.

The shortest day of the month is April 1, with 12 hours, 14 minutes of daylight and the longest day is April 30, with 12 hours, 29 minutes of daylight.

Hours of Daylight and Twilight in April in Mon Repos

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 latest sunrise of the month in Mon Repos is 6:02 AM on April 1 and the earliest sunrise is 14 minutes earlier at 5:48 AM on April 30.

The earliest sunset is 6:16 PM on April 7 and the latest sunset is 1 minute, 15 seconds later at 6:17 PM on April 30.

Daylight saving time is not observed in Mon Repos during 2021.

For reference, on June 21, the longest day of the year, the Sun rises at 5:45 AM and sets 12 hours, 44 minutes later, at 6:29 PM, while on December 21, the shortest day of the year, it rises at 6:18 AM and sets 11 hours, 32 minutes later, at 5:49 PM.

Sunrise & Sunset with Twilight in April in Mon Repos

Sunrise & Sunset with Twilight in April in Mon Repos181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMMarMay5:48 AM5:48 AMApr 306:17 PMApr 306:17 PM5:59 AM5:59 AMApr 76:16 PMApr 76:16 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of April. 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.

Moon

The figure below presents a compact representation of key lunar data for April 2021. 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 April in Mon Repos

Moon Rise, Set & Phases in April in Mon Repos1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMMarMayMar 136:22 AMMar 136:22 AMMar 282:49 PMMar 282:49 PMApr 1110:31 PMApr 1110:31 PMApr 2611:32 PMApr 2611:32 PMMay 113:01 PMMay 113:01 PMMay 267:15 AMMay 267:15 AM6:28 AM6:28 AM6:41 PM6:41 PM6:25 PM6:25 PM6:48 AM6:48 AM5:43 AM5:43 AM6:08 PM6:08 PM6:02 PM6:02 PM6:12 AM6:12 AM5:36 AM5:36 AM6:22 PM6:22 PM5:44 PM5:44 PM5:44 AM5:44 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.

Humidity

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 Mon Repos is essentially constant during April, remaining around 99% throughout.

For reference, on June 11, the muggiest day of the year, there are muggy conditions 100% of the time, while on February 26, the least muggy day of the year, there are muggy conditions 98% of the time.

Humidity Comfort Levels in April in Mon Repos

Humidity Comfort Levels in April in Mon Repos181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%MarMayApr 199%Apr 199%Apr 30100%Apr 30100%Apr 1199%Apr 1199%Apr 21100%Apr 21100%miserablemiserableoppressiveoppressivemuggymuggy
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.

Wind

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 Mon Repos is essentially constant during April, remaining within 0.1 miles per hour of 14.7 miles per hour throughout.

For reference, on April 6, the windiest day of the year, the daily average wind speed is 14.8 miles per hour, while on September 5, the calmest day of the year, the daily average wind speed is 10.2 miles per hour.

The highest daily average wind speed during April is 14.8 miles per hour on April 8.

Average Wind Speed in April in Mon Repos

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 Mon Repos throughout April is predominantly from the east, with a peak proportion of 100% on April 30.

Wind Direction in April in Mon Repos

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).

Water Temperature

Mon Repos 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 Mon Repos is essentially constant during April, remaining around 81°F throughout.

Average Water Temperature in April in Mon Repos

Average Water Temperature in April in Mon Repos1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303078.5°F78.5°F79.0°F79.0°F79.5°F79.5°F80.0°F80.0°F80.5°F80.5°F81.0°F81.0°F81.5°F81.5°F82.0°F82.0°F82.5°F82.5°F83.0°F83.0°F83.5°F83.5°FMarMayApr 180°FApr 180°FApr 3081°FApr 3081°FApr 1181°FApr 1181°FApr 2181°FApr 2181°F
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

Growing 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 Mon Repos 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 April in Mon Repos

Time Spent in Various Temperature Bands and the Growing Season in April in Mon Repos181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MarMay100%Apr 16100%Apr 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 Mon Repos are rapidly increasing during April, increasing by 877°F, from 2,570°F to 3,447°F, over the course of the month.

Growing Degree Days in April in Mon Repos

The average growing degree days accumulated over the course of April, with 25th to 75th and 10th to 90th percentile bands.

Solar Energy

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 Mon Repos is essentially constant during April, remaining within 0.2 kWh of 6.8 kWh throughout.

Average Daily Incident Shortwave Solar Energy in April in Mon Repos

Average Daily Incident Shortwave Solar Energy in April in Mon Repos181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhMarMayApr 16.9 kWhApr 16.9 kWhApr 306.6 kWhApr 306.6 kWhApr 116.9 kWhApr 116.9 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.

Topography

For the purposes of this report, the geographical coordinates of Mon Repos are 10.280 deg latitude, -61.446 deg longitude, and 121 ft elevation.

The topography within 2 miles of Mon Repos contains only modest variations in elevation, with a maximum elevation change of 482 feet and an average elevation above sea level of 73 feet. Within 10 miles contains only modest variations in elevation (1,066 feet). Within 50 miles contains very significant variations in elevation (3,510 feet).

The area within 2 miles of Mon Repos is covered by grassland (51%), cropland (16%), and trees (15%), within 10 miles by water (33%) and trees (20%), and within 50 miles by water (73%) and trees (17%).

Data Sources

This report illustrates the typical weather in Mon Repos, 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 is only a single weather station, Piarco International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Mon Repos.

At a distance of 35 kilometers from Mon Repos, closer than our threshold of 150 kilometers, this station is deemed sufficiently nearby to be relied upon as our primary source for temperature and dew point records.

The station records are corrected for the elevation difference between the station and Mon Repos according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

Please note that the station records themselves may additionally have been back-filled using other nearby stations or the MERRA-2 reanalysis.

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 © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

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.