Average Weather in November in San Juan Costa Rica
In San Juan, the month of November is characterized by essentially constant daily high temperatures, with daily highs around 77°F throughout the month, rarely exceeding 80°F or dropping below 73°F.
Daily low temperatures are around 63°F, rarely falling below 60°F or exceeding 66°F.
For reference, on April 9, the hottest day of the year, temperatures in San Juan typically range from 64°F to 81°F, while on September 18, the coldest day of the year, they range from 63°F to 77°F.
Average High and Low Temperature in November
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on November. 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 November
The month of November in San Juan experiences very rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 86% to 62%.
The clearest day of the month is November 30, with clear, mostly clear, or partly cloudy conditions 38% of the time.
For reference, on June 5, 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 November
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In San Juan, the chance of a wet day over the course of November is very rapidly decreasing, starting the month at 44% and ending it at 29%.
For reference, the year's highest daily chance of a wet day is 51% on October 7, and its lowest chance is 7% on March 16.
Probability of Precipitation in November
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 November in San Juan is very rapidly decreasing, starting the month at 5.6 inches, when it rarely exceeds 10.6 inches or falls below 1.9 inches, and ending the month at 3.3 inches, when it rarely exceeds 7.0 inches or falls below 0.6 inches.
Average Monthly Rainfall in November
Over the course of November in San Juan, the length of the day is essentially constant. The shortest day of the month is November 30, with 11 hours, 35 minutes of daylight and the longest day is November 1, with 11 hours, 46 minutes of daylight.
Hours of Daylight and Twilight in November
The earliest sunrise of the month in San Juan is 5:26 AM on November 1 and the latest sunrise is 11 minutes later at 5:37 AM on November 30.
The latest sunset is 5:12 PM on November 1 and the earliest sunset is 1 minute, 51 seconds earlier at 5:10 PM on November 15.
Daylight saving time is not observed in San Juan during 2017.
For reference, on June 21, the longest day of the year, the Sun rises at 5:16 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 5:20 PM.
Sunrise & Sunset with Twilight in November
The chance that a given day will be muggy in San Juan is very rapidly decreasing during November, falling from 41% to 20% over the course of the month.
For reference, on June 2, the muggiest day of the year, there are muggy conditions 55% 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 November
The average hourly wind speed in San Juan is essentially constant during November, remaining within 0.2 miles per hour of 2.3 miles per hour throughout.
For reference, on February 5, the windiest day of the year, the daily average wind speed is 3.7 miles per hour, while on September 12, the calmest day of the year, the daily average wind speed is 1.8 miles per hour.
Average Wind Speed in November
Wind Direction in November
San Juan 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 is essentially constant during November, remaining around 82°F throughout.
Average Water Temperature in November
The average daily incident shortwave solar energy in San Juan is gradually increasing during November, rising by 0.6 kWh, from 4.1 kWh to 4.7 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in November
For the purposes of this report, the geographical coordinates of San Juan are 9.960 deg latitude, -84.082 deg longitude, and 3,802 ft elevation.
The topography within 2 miles of San Juan contains significant variations in elevation, with a maximum elevation change of 692 feet and an average elevation above sea level of 3,778 feet. Within 10 miles contains significant variations in elevation (5,617 feet). Within 50 miles also contains extreme variations in elevation (11,919 feet).
The area within 2 miles of San Juan is covered by grassland (51%), trees (27%), and artificial surfaces (17%), within 10 miles by trees (44%) and grassland (41%), and within 50 miles by trees (54%) and grassland (17%).
This report illustrates the typical weather in San Juan year round, 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.
At a distance of 14 kilometers from San Juan, 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 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.
Time zones for aiports and weather stations are provided by AskGeo.com .