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August Weather in San Andrés Colombia

Daily high temperatures are around 86°F, rarely falling below 84°F or exceeding 88°F.

Daily low temperatures are around 80°F, rarely falling below 77°F or exceeding 82°F.

For reference, on September 11, the hottest day of the year, temperatures in San Andrés typically range from 80°F to 86°F, while on February 18, the coldest day of the year, they range from 78°F to 83°F.

Average High and Low Temperature in August in San Andrés

Average High and Low Temperature in August in San AndrésAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313176°F76°F78°F78°F80°F80°F82°F82°F84°F84°F86°F86°F88°F88°F90°F90°F92°F92°F94°F94°F96°F96°F98°F98°F100°F100°FJulSepAug 185°FAug 185°F80°F80°FAug 3186°FAug 3186°F80°F80°FAug 1186°FAug 1186°F80°F80°FAug 2186°FAug 2186°F80°F80°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 August. 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 August in San Andrés

Average Hourly Temperature in August in San AndrésAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMJulSepwarmhothot
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.

Vailoatai, American Samoa (6,379 miles away); Casuguran, Philippines (9,943 miles); and Pandan, Philippines (10,089 miles) are the far-away foreign places with temperatures most similar to San Andrés (view comparison).

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The month of August in San Andrés experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 86% throughout the month.

The clearest day of the month is August 4, with clear, mostly clear, or partly cloudy conditions 15% of the time.

For reference, on June 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 91%, while on January 4, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 69%.

Cloud Cover Categories in August in San Andrés

Cloud Cover Categories in August in San AndrésAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JulSepAug 115%Aug 115%Aug 3113%Aug 3113%Aug 1115%Aug 1115%Aug 2114%Aug 2114%partly cloudymostly cloudyovercastmostly clear
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 San Andrés, the chance of a wet day over the course of August is gradually increasing, starting the month at 53% and ending it at 56%.

For reference, the year's highest daily chance of a wet day is 68% on October 7, and its lowest chance is 0% on March 21.

Probability of Precipitation in August in San Andrés

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 August in San Andrés is essentially constant, remaining about 4.3 inches throughout, and rarely exceeding 7.1 inches or falling below 1.5 inches.

The lowest average 31-day accumulation is 4.1 inches on August 17.

Average Monthly Rainfall in August in San Andrés

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 August in San Andrés, the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 18 minutes, implying an average daily decrease of 37 seconds, and weekly decrease of 4 minutes, 16 seconds.

The shortest day of the month is August 31, with 12 hours, 22 minutes of daylight and the longest day is August 1, with 12 hours, 40 minutes of daylight.

Hours of Daylight and Twilight in August in San Andrés

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 San Andrés is 6:13 AM on August 1 and the latest sunrise is 2 minutes, 55 seconds later at 6:16 AM on August 31.

The latest sunset is 6:53 PM on August 1 and the earliest sunset is 15 minutes earlier at 6:37 PM on August 31.

Daylight saving time is not observed in San Andrés during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 6:02 AM and sets 12 hours, 52 minutes later, at 6:54 PM, while on December 21, the shortest day of the year, it rises at 6:43 AM and sets 11 hours, 23 minutes later, at 6:06 PM.

Sunrise & Sunset with Twilight in August in San Andrés

The solar day over the course of August. 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 August in San Andrés

Solar Elevation and Azimuth in August in San AndrésAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMJulSep001010202020303040405050506060707080000101020203030304040505060606070708080
northeastsouthwest
Solar elevation and azimuth over the course of August 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 August 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 August in San Andrés

Moon Rise, Set & Phases in August in San AndrésAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJulSepJul 55:58 PMJul 55:58 PMJul 215:18 AMJul 215:18 AMAug 46:14 AMAug 46:14 AMAug 191:26 PMAug 191:26 PMSep 28:56 PMSep 28:56 PMSep 179:35 PMSep 179:35 PM5:38 AM5:38 AM7:03 PM7:03 PM6:37 PM6:37 PM6:16 AM6:16 AM6:18 AM6:18 AM7:19 PM7:19 PM6:59 PM6:59 PM7:02 AM7:02 AM5:52 AM5:52 AM6:34 PM6:34 PM6:18 PM6:18 PM6:41 AM6:41 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.
Aug 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
8%3:30 AMENE4:56 PMWNW-10:13 AMN240,737 mi
2
3%4:27 AMENE5:48 PMWNW-11:09 AMN242,956 mi
3
1%5:24 AMENE6:36 PMWNW-12:02 PMN245,098 mi
4
0%6:18 AMENE7:19 PMWNW-12:50 PMN247,103 mi
5
2%7:09 AMENE7:58 PMWNW-1:35 PMN248,888 mi
6
5%7:56 AMENE8:34 PMW-2:16 PMS250,349 mi
7
10%8:42 AME9:08 PMW-2:56 PMS251,368 mi
8
17%9:26 AME9:42 PMW-3:34 PMS251,825 mi
9
25%10:10 AME10:16 PMW-4:13 PMS251,612 mi
10
34%10:55 AMESE10:51 PMWSW-4:53 PMS250,652 mi
11
43%11:42 AMESE11:30 PMWSW-5:35 PMS248,908 mi
12
50%12:32 PMESE--6:22 PMS246,405 mi
13
64%-12:13 AMWSW1:26 PMESE7:13 PMS243,240 mi
14
74%-1:01 AMWSW2:23 PMESE8:08 PMS239,586 mi
15
83%-1:55 AMWSW3:22 PMESE9:08 PMS235,698 mi
16
91%-2:54 AMWSW4:21 PMESE10:09 PMS231,896 mi
17
96%-3:56 AMWSW5:17 PMESE11:09 PMS228,526 mi
18
98%-5:00 AMWSW6:10 PMESE--
19
100%-6:02 AMWSW6:59 PMESE12:07 AMS225,914 mi
20
100%-7:02 AMW7:45 PME1:01 AMS224,303 mi
21
97%-8:01 AMW8:29 PME1:53 AMS223,816 mi
22
91%-8:58 AMW9:13 PME2:43 AMS224,440 mi
23
82%-9:55 AMW9:57 PMENE3:32 AMS226,038 mi
24
72%-10:53 AMWNW10:44 PMENE4:23 AMN228,387 mi
25
61%-11:53 AMWNW11:34 PMENE5:16 AMN231,223 mi
26
50%-12:53 PMWNW-6:12 AMN234,290 mi
27
38%12:28 AMENE1:53 PMWNW-7:10 AMN237,369 mi
28
28%1:25 AMENE2:51 PMWNW-8:08 AMN240,301 mi
29
19%2:22 AMENE3:45 PMWNW-9:05 AMN242,983 mi
30
11%3:19 AMENE4:34 PMWNW-9:58 AMN245,365 mi
31
6%4:13 AMENE5:18 PMWNW-10:47 AMN247,426 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 San Andrés is essentially constant during August, remaining around 100% throughout.

For reference, on April 4, 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 100% of the time.

Humidity Comfort Levels in August in San Andrés

Humidity Comfort Levels in August in San AndrésAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JulSepAug 16100%Aug 16100%Aug 1100%Aug 1100%Aug 31100%Aug 31100%miserablemiserableoppressiveoppressive
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 San Andrés is rapidly decreasing during August, decreasing from 15.4 miles per hour to 12.2 miles per hour over the course of the month.

For reference, on January 3, the windiest day of the year, the daily average wind speed is 18.2 miles per hour, while on October 1, the calmest day of the year, the daily average wind speed is 10.5 miles per hour.

Average Wind Speed in August in San Andrés

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 San Andrés throughout August is predominantly from the east, with a peak proportion of 93% on August 1.

Wind Direction in August in San Andrés

Wind Direction in August in San AndrésAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%JulSepeastsouthnorth
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).

San Andrés 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 San Andrés is essentially constant during August, remaining around 83°F throughout.

Average Water Temperature in August in San Andrés

Average Water Temperature in August in San AndrésAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313181.0°F81.0°F81.5°F81.5°F82.0°F82.0°F82.5°F82.5°F83.0°F83.0°F83.5°F83.5°F84.0°F84.0°F84.5°F84.5°F85.0°F85.0°F85.5°F85.5°FJulSepAug 183°FAug 183°FAug 3183°FAug 3183°FAug 1183°FAug 1183°FAug 2183°FAug 2183°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 San Andrés 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 August in San Andrés

Time Spent in Various Temperature Bands and the Growing Season in August in San AndrésAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JulSep100%Aug 16100%Aug 16100%Jul 2100%Jul 2warmhot
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 San Andrés are very rapidly increasing during August, increasing by 983°F, from 6,707°F to 7,690°F, over the course of the month.

Growing Degree Days in August in San Andrés

Growing Degree Days in August in San AndrésAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031316,600°F6,600°F6,800°F6,800°F7,000°F7,000°F7,200°F7,200°F7,400°F7,400°F7,600°F7,600°F7,800°F7,800°FJulSepAug 16,707°FAug 16,707°FAug 317,690°FAug 317,690°FAug 117,034°FAug 117,034°FAug 217,362°FAug 217,362°F
The average growing degree days accumulated over the course of August, 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 San Andrés is essentially constant during August, remaining within 0.1 kWh of 4.3 kWh throughout.

Average Daily Incident Shortwave Solar Energy in August in San Andrés

Average Daily Incident Shortwave Solar Energy in August in San AndrésAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWhJulSepAug 14.4 kWhAug 14.4 kWhAug 314.2 kWhAug 314.2 kWhAug 114.4 kWhAug 114.4 kWhAug 214.2 kWhAug 214.2 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 San Andrés are 12.585 deg latitude, -81.701 deg longitude, and 10 ft elevation.

The topography within 2 miles of San Andrés contains only modest variations in elevation, with a maximum elevation change of 302 feet and an average elevation above sea level of 13 feet. Within 10 miles also contains only modest variations in elevation (348 feet). Within 50 miles also contains only modest variations in elevation (328 feet).

The area within 2 miles of San Andrés is covered by water (82%), within 10 miles by water (98%), and within 50 miles by water (100%).

This report illustrates the typical weather in San Andrés, 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, Gustavo Rojas Pinilla International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of San Andrés.

At a distance of 1 kilometer from San Andrés, 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 San Andrés 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 © 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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