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July Weather in San Juan de Dios Costa Rica

Daily high temperatures are around 76°F, rarely falling below 73°F or exceeding 80°F. The lowest daily average high temperature is 76°F on July 7.

Daily low temperatures are around 63°F, rarely falling below 61°F or exceeding 66°F. The highest daily average low temperature is 63°F on July 12.

For reference, on April 1, the hottest day of the year, temperatures in San Juan de Dios typically range from 63°F to 80°F, while on September 18, the coldest day of the year, they range from 62°F to 76°F.

Average High and Low Temperature in July in San Juan de Dios

Average High and Low Temperature in July in San Juan de DiosJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313160°F60°F62°F62°F64°F64°F66°F66°F68°F68°F70°F70°F72°F72°F74°F74°F76°F76°F78°F78°F80°F80°FJunAugJul 776°FJul 776°F63°F63°FJul 3176°FJul 3176°F63°F63°FJul 2176°FJul 2176°F63°F63°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 July. 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 July in San Juan de Dios

Average Hourly Temperature in July in San Juan de DiosJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMJunAugcoolcomfortablecomfortablewarmcoolwarm
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.

Kabanjahe, Indonesia (11,535 miles away) and Kibangay, Philippines (10,101 miles) are the far-away foreign places with temperatures most similar to San Juan de Dios (view comparison).

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The month of July in San Juan de Dios experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 94% throughout the month.

The clearest day of the month is July 30, with clear, mostly clear, or partly cloudy conditions 7% of the time.

For reference, on June 4, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 96%, while on January 2, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 64%.

Cloud Cover Categories in July in San Juan de Dios

Cloud Cover Categories in July in San Juan de DiosJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JunAugJul 16%Jul 16%Jul 317%Jul 317%Jul 117%Jul 117%Jul 217%Jul 217%partly 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 San Juan de Dios, the chance of a wet day over the course of July is rapidly decreasing, starting the month at 46% and ending it at 39%.

For reference, the year's highest daily chance of a wet day is 52% on October 6, and its lowest chance is 7% on March 15.

Probability of Precipitation in July in San Juan de Dios

Probability of Precipitation in July in San Juan de DiosJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%5%5%10%10%15%15%20%20%25%25%30%30%35%35%40%40%45%45%50%50%JunAugJul 2739%Jul 2739%Jul 146%Jul 146%Jul 1143%Jul 1143%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 July in San Juan de Dios is gradually decreasing, starting the month at 5.1 inches, when it rarely exceeds 8.9 inches or falls below 2.0 inches, and ending the month at 4.8 inches, when it rarely exceeds 9.1 inches or falls below 2.1 inches.

The lowest average 31-day accumulation is 4.8 inches on July 24.

Average Monthly Rainfall in July in San Juan de Dios

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 July in San Juan de Dios, the length of the day is essentially constant. The shortest day of the month is July 31, with 12 hours, 33 minutes of daylight and the longest day is July 1, with 12 hours, 41 minutes of daylight.

Hours of Daylight and Twilight in July in San Juan de Dios

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 Juan de Dios is 5:19 AM on July 1 and the latest sunrise is 6 minutes later at 5:26 AM on July 31.

The latest sunset is 6:01 PM on July 11 and the earliest sunset is 2 minutes, 33 seconds earlier at 5:59 PM on July 31.

Daylight saving time is not observed in San Juan de Dios during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:17 AM and sets 12 hours, 42 minutes later, at 5:59 PM, while on December 21, the shortest day of the year, it rises at 5:48 AM and sets 11 hours, 33 minutes later, at 5:21 PM.

Sunrise & Sunset with Twilight in July in San Juan de Dios

The solar day over the course of July. 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 July in San Juan de Dios

Solar Elevation and Azimuth in July in San Juan de DiosJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMJunAug0010102020203030404050505060607070800001010202030303040405050606060707080
northeastsouthwest
Solar elevation and azimuth over the course of July 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 July 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 July in San Juan de Dios

Moon Rise, Set & Phases in July in San Juan de DiosJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJunAugJun 66:38 AMJun 66:38 AMJun 217:09 PMJun 217:09 PMJul 54:58 PMJul 54:58 PMJul 214:18 AMJul 214:18 AMAug 45:14 AMAug 45:14 AMAug 1912:26 PMAug 1912:26 PM5:09 AM5:09 AM6:22 PM6:22 PM5:57 PM5:57 PM5:42 AM5:42 AM4:54 AM4:54 AM6:06 PM6:06 PM5:41 PM5:41 PM5:31 AM5:31 AM5:32 AM5:32 AM6:25 PM6:25 PM6:06 PM6:06 PM6:15 AM6:15 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.
Jul 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
22%1:16 AMENE2:10 PMWNW-7:41 AMN232,187 mi
2
13%2:05 AMENE3:09 PMWNW-8:35 AMN233,671 mi
3
6%2:58 AMENE4:10 PMWNW-9:33 AMN235,479 mi
4
2%3:55 AMENE5:09 PMWNW-10:32 AMN237,592 mi
5
0%4:54 AMENE6:06 PMWNW-11:31 AMN239,947 mi
6
1%5:52 AMENE6:59 PMWNW-12:27 PMN242,435 mi
7
4%6:47 AMENE7:46 PMWNW-1:19 PMN244,908 mi
8
8%7:39 AMENE8:29 PMWNW-2:06 PMN247,193 mi
9
15%8:28 AMENE9:08 PMWNW-2:49 PMN249,110 mi
10
23%9:13 AME9:44 PMW-3:30 PMS250,491 mi
11
31%9:57 AME10:19 PMW-4:09 PMS251,193 mi
12
41%10:40 AME10:54 PMW-4:47 PMS251,118 mi
13
50%11:23 AME11:30 PMW-5:26 PMS250,217 mi
14
60%12:08 PMESE--6:08 PMS248,509 mi
15
70%-12:08 AMWSW12:56 PMESE6:52 PMS246,078 mi
16
79%-12:50 AMWSW1:48 PMESE7:41 PMS243,077 mi
17
87%-1:36 AMWSW2:43 PMESE8:35 PMS239,721 mi
18
93%-2:29 AMWSW3:42 PMESE9:34 PMS236,279 mi
19
98%-3:27 AMWSW4:42 PMESE10:35 PMS233,045 mi
20
100%-4:28 AMWSW5:41 PMESE11:37 PMS230,300 mi
21
100%-5:31 AMWSW6:37 PMESE--
22
99%-6:33 AMWSW7:29 PMESE12:36 AMS228,268 mi
23
95%-7:32 AMWSW8:16 PME1:31 AMS227,078 mi
24
89%-8:28 AMW9:01 PME2:23 AMS226,752 mi
25
80%-9:22 AMW9:45 PME3:12 AMS227,216 mi
26
69%-10:16 AMW10:29 PME4:00 AMS228,336 mi
27
50%-11:10 AMWNW11:14 PMENE4:48 AMN229,945 mi
28
46%-12:06 PMWNW-5:38 AMN231,881 mi
29
35%12:02 AMENE1:04 PMWNW-6:31 AMN234,010 mi
30
24%12:54 AMENE2:03 PMWNW-7:27 AMN236,236 mi
31
15%1:49 AMENE3:02 PMWNW-8:25 AMN238,497 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 Juan de Dios is decreasing during July, falling from 40% to 35% over the course of the month.

The lowest chance of a muggy day during July is 34% on July 17.

For reference, on June 1, the muggiest day of the year, there are muggy conditions 54% of the time, while on January 24, the least muggy day of the year, there are muggy conditions 3% of the time.

Humidity Comfort Levels in July in San Juan de Dios

Humidity Comfort Levels in July in San Juan de DiosJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JunAugJul 1734%Jul 1734%Jul 140%Jul 140%Jul 3135%Jul 3135%muggymuggyhumidhumidcomfortablecomfortableoppressiveoppressive
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 Juan de Dios is essentially constant during July, remaining around 1.8 miles per hour throughout.

For reference, on February 24, the windiest day of the year, the daily average wind speed is 3.1 miles per hour, while on July 22, the calmest day of the year, the daily average wind speed is 1.8 miles per hour.

The lowest daily average wind speed during July is 1.8 miles per hour on July 22.

Average Wind Speed in July in San Juan de Dios

Average Wind Speed in July in San Juan de DiosJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 mph0.0 mph0.5 mph0.5 mph1.0 mph1.0 mph1.5 mph1.5 mph2.0 mph2.0 mph2.5 mph2.5 mph3.0 mph3.0 mphJunAugJul 221.8 mphJul 221.8 mphJul 11.8 mphJul 11.8 mphJul 111.8 mphJul 111.8 mph
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 Juan de Dios throughout July is predominantly from the east, with a peak proportion of 51% on July 22.

Wind Direction in July in San Juan de Dios

Wind Direction in July in San Juan de DiosWEWJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%JunAugwesteastnorthsouth
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 Juan de Dios 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 Juan de Dios is essentially constant during July, remaining around 83°F throughout.

The lowest average surface water temperature during July is 83°F on July 28.

Average Water Temperature in July in San Juan de Dios

Average Water Temperature in July in San Juan de DiosJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313182.0°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°FJunAugJul 2883°FJul 2883°FJul 184°FJul 184°FJul 1183°FJul 1183°FJul 2183°FJul 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 Juan de Dios 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 July in San Juan de Dios

Time Spent in Various Temperature Bands and the Growing Season in July in San Juan de DiosJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JunAug100%Jul 16100%Jul 16100%Jul 2100%Jul 2coolcomfortablewarm
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 Juan de Dios are rapidly increasing during July, increasing by 553°F, from 3,440°F to 3,992°F, over the course of the month.

Growing Degree Days in July in San Juan de Dios

Growing Degree Days in July in San Juan de DiosJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031313,300°F3,300°F3,400°F3,400°F3,500°F3,500°F3,600°F3,600°F3,700°F3,700°F3,800°F3,800°F3,900°F3,900°F4,000°F4,000°F4,100°F4,100°F4,200°F4,200°FJunAugJul 13,440°FJul 13,440°FJul 313,992°FJul 313,992°FJul 113,623°FJul 113,623°FJul 213,809°FJul 213,809°F
The average growing degree days accumulated over the course of July, 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 Juan de Dios is essentially constant during July, remaining within 0.1 kWh of 3.9 kWh throughout.

Average Daily Incident Shortwave Solar Energy in July in San Juan de Dios

Average Daily Incident Shortwave Solar Energy in July in San Juan de DiosJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 kWh0.0 kWh0.5 kWh0.5 kWh1.0 kWh1.0 kWh1.5 kWh1.5 kWh2.0 kWh2.0 kWh2.5 kWh2.5 kWh3.0 kWh3.0 kWh3.5 kWh3.5 kWh4.0 kWh4.0 kWh4.5 kWh4.5 kWh5.0 kWh5.0 kWh5.5 kWh5.5 kWh6.0 kWh6.0 kWhJunAugJul 13.8 kWhJul 13.8 kWhJul 314.0 kWhJul 314.0 kWhJul 113.9 kWhJul 113.9 kWhJul 214.0 kWhJul 214.0 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 San Juan de Dios are 9.877 deg latitude, -84.085 deg longitude, and 3,960 ft elevation.

The topography within 2 miles of San Juan de Dios contains large variations in elevation, with a maximum elevation change of 2,274 feet and an average elevation above sea level of 4,147 feet. Within 10 miles contains large variations in elevation (6,076 feet). Within 50 miles also contains extreme variations in elevation (12,490 feet).

The area within 2 miles of San Juan de Dios is covered by grassland (57%) and trees (31%), within 10 miles by trees (44%) and grassland (40%), and within 50 miles by trees (50%) and water (18%).

This report illustrates the typical weather in San Juan de Dios, 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, Juan Santamaría International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of San Juan de Dios.

At a distance of 19 kilometers from San Juan de Dios, 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 Juan de Dios 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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