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August Weather in San José Honduras

Daily high temperatures are around 85°F, rarely falling below 81°F or exceeding 88°F. The highest daily average high temperature is 85°F on August 28.

Daily low temperatures are around 66°F, rarely falling below 64°F or exceeding 68°F.

For reference, on May 6, the hottest day of the year, temperatures in San José typically range from 66°F to 87°F, while on January 21, the coldest day of the year, they range from 60°F to 77°F.

Average High and Low Temperature in August in San José

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 José

Average Hourly Temperature in August in San JoséAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMJulSepcomfortablecomfortablewarm
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.

Dodoma, Tanzania (8,530 miles away); Badulla, Sri Lanka (10,709 miles); and Lubuagan, Philippines (9,477 miles) are the far-away foreign places with temperatures most similar to San José (view comparison).

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The month of August in San José experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 80% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 79% on August 9.

The clearest day of the month is August 9, with clear, mostly clear, or partly cloudy conditions 21% of the time.

For reference, on June 13, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 90%, while on January 28, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 77%.

Cloud Cover Categories in August in San José

Cloud Cover Categories in August in San JoséAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JulSepJun 1310%Jun 1310%Aug 120%Aug 120%Aug 3118%Aug 3118%Aug 1121%Aug 1121%Aug 2120%Aug 2120%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 José, the chance of a wet day over the course of August is essentially constant, remaining around 37% throughout.

For reference, the year's highest daily chance of a wet day is 42% on September 30, and its lowest chance is 9% on March 28.

Probability of Precipitation in August in San José

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 José is gradually increasing, starting the month at 2.9 inches, when it rarely exceeds 5.3 inches or falls below 0.9 inches, and ending the month at 3.2 inches, when it rarely exceeds 6.6 inches or falls below 0.7 inches.

Average Monthly Rainfall in August in San José

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 José, the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 22 minutes, implying an average daily decrease of 45 seconds, and weekly decrease of 5 minutes, 14 seconds.

The shortest day of the month is August 31, with 12 hours, 25 minutes of daylight and the longest day is August 1, with 12 hours, 47 minutes of daylight.

Hours of Daylight and Twilight in August in San José

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 José is 5:31 AM on August 1 and the latest sunrise is 5 minutes later at 5:36 AM on August 31.

The latest sunset is 6:18 PM on August 1 and the earliest sunset is 17 minutes earlier at 6:01 PM on August 31.

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

For reference, on June 20, the longest day of the year, the Sun rises at 5:19 AM and sets 13 hours, 2 minutes later, at 6:21 PM, while on December 21, the shortest day of the year, it rises at 6:10 AM and sets 11 hours, 13 minutes later, at 5:23 PM.

Sunrise & Sunset with Twilight in August in San José

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 José

Solar Elevation and Azimuth in August in San JoséAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMJulSep00101020202030304040505050606070708080000101020203030304040505060606070708080
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 José

Moon Rise, Set & Phases in August in San JoséAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJulSepJul 54:58 PMJul 54:58 PMJul 214:18 AMJul 214:18 AMAug 45:14 AMAug 45:14 AMAug 1912:26 PMAug 1912:26 PMSep 27:56 PMSep 27:56 PMSep 178:35 PMSep 178:35 PM4:54 AM4:54 AM6:32 PM6:32 PM6:06 PM6:06 PM5:33 AM5:33 AM5:36 AM5:36 AM6:46 PM6:46 PM6:25 PM6:25 PM6:23 AM6:23 AM5:12 AM5:12 AM5:59 PM5:59 PM5:42 PM5:42 PM6:04 AM6:04 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%2:46 AMENE4:25 PMWNW-9:36 AMN240,771 mi
2
3%3:44 AMENE5:17 PMWNW-10:32 AMN242,989 mi
3
1%4:41 AMENE6:04 PMWNW-11:24 AMN245,129 mi
4
0%5:36 AMENE6:46 PMWNW-12:13 PMN247,132 mi
5
2%6:28 AMENE7:24 PMWNW-12:57 PMS248,913 mi
6
5%7:16 AMENE7:58 PMW-1:39 PMS250,368 mi
7
10%8:03 AME8:31 PMW-2:18 PMS251,379 mi
8
17%8:49 AME9:03 PMW-2:57 PMS251,827 mi
9
25%9:34 AME9:36 PMW-3:35 PMS251,604 mi
10
34%10:20 AMESE10:11 PMWSW-4:15 PMS250,631 mi
11
44%11:09 AMESE10:48 PMWSW-4:58 PMS248,875 mi
12
50%12:00 PMESE11:30 PMWSW-5:44 PMS246,362 mi
13
64%12:54 PMESE--6:35 PMS243,188 mi
14
74%-12:17 AMWSW1:52 PMESE7:31 PMS239,529 mi
15
83%-1:11 AMWSW2:51 PMESE8:30 PMS235,639 mi
16
91%-2:10 AMWSW3:50 PMESE9:32 PMS231,840 mi
17
96%-3:13 AMWSW4:46 PMESE10:32 PMS228,480 mi
18
100%-4:17 AMWSW5:37 PMESE11:30 PMS225,882 mi
19
100%-5:21 AMWSW6:25 PMESE--
20
100%-6:23 AMW7:09 PME12:24 AMS224,287 mi
21
97%-7:23 AMW7:52 PME1:16 AMS223,818 mi
22
91%-8:21 AMW8:34 PME2:06 AMS224,458 mi
23
82%-9:20 AMWNW9:17 PMENE2:55 AMS226,069 mi
24
72%-10:20 AMWNW10:02 PMENE3:46 AMN228,427 mi
25
61%-11:21 AMWNW10:52 PMENE4:39 AMN231,269 mi
26
50%-12:22 PMWNW11:45 PMENE5:35 AMN234,337 mi
27
38%-1:23 PMWNW-6:33 AMN237,415 mi
28
27%12:41 AMENE2:21 PMWNW-7:31 AMN240,344 mi
29
18%1:38 AMENE3:14 PMWNW-8:27 AMN243,022 mi
30
11%2:35 AMENE4:02 PMWNW-9:21 AMN245,398 mi
31
5%3:31 AMENE4:45 PMWNW-10:10 AMN247,455 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 José is essentially constant during August, remaining around 98% throughout.

For reference, on September 17, the muggiest day of the year, there are muggy conditions 100% of the time, while on February 21, the least muggy day of the year, there are muggy conditions 50% of the time.

Humidity Comfort Levels in August in San José

Humidity Comfort Levels in August in San JoséAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JulSepAug 198%Aug 198%Aug 3199%Aug 3199%Aug 1198%Aug 1198%Aug 2198%Aug 2198%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 San José is gradually decreasing during August, decreasing from 4.6 miles per hour to 4.1 miles per hour over the course of the month.

For reference, on February 27, the windiest day of the year, the daily average wind speed is 5.1 miles per hour, while on September 20, the calmest day of the year, the daily average wind speed is 3.8 miles per hour.

Average Wind Speed in August in San José

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 José throughout August is predominantly from the east, with a peak proportion of 72% on August 1.

Wind Direction in August in San José

Wind Direction in August in San JoséAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%JulSepeastnorthsouth
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 José 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 José is essentially constant during August, remaining around 85°F throughout.

Average Water Temperature in August in San José

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 José 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 José

Time Spent in Various Temperature Bands and the Growing Season in August in San JoséAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%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 2comfortablewarmhotcool
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 José are rapidly increasing during August, increasing by 731°F, from 4,759°F to 5,490°F, over the course of the month.

Growing Degree Days in August in San José

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 José is essentially constant during August, remaining within 0.2 kWh of 5.7 kWh throughout.

The highest average daily incident shortwave solar energy during August is 5.9 kWh on August 3.

Average Daily Incident Shortwave Solar Energy in August in San José

Average Daily Incident Shortwave Solar Energy in August in San JoséAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWhJulSepAug 35.9 kWhAug 35.9 kWhAug 315.5 kWhAug 315.5 kWhAug 215.7 kWhAug 215.7 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 José are 15.317 deg latitude, -87.167 deg longitude, and 1,916 ft elevation.

The topography within 2 miles of San José contains large variations in elevation, with a maximum elevation change of 2,159 feet and an average elevation above sea level of 2,084 feet. Within 10 miles contains large variations in elevation (4,495 feet). Within 50 miles also contains extreme variations in elevation (8,081 feet).

The area within 2 miles of San José is covered by trees (61%) and grassland (29%), within 10 miles by trees (61%) and grassland (19%), and within 50 miles by trees (51%) and water (15%).

This report illustrates the typical weather in San José, 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 3 weather stations near enough to contribute to our estimation of the temperature and dew point in San José.

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