Average Weather in January in San Rafael Abajo Costa Rica
In San Rafael Abajo, the month of January is characterized by essentially constant daily high temperatures, with daily highs around 82°F throughout the month, rarely exceeding 86°F or dropping below 78°F.
Daily low temperatures are around 68°F, rarely falling below 64°F or exceeding 71°F.
For reference, on March 24, the hottest day of the year, temperatures in San Rafael Abajo typically range from 69°F to 85°F, while on October 2, the coldest day of the year, they range from 67°F to 80°F.
Average High and Low Temperature in January
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. 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 January
The month of January in San Rafael Abajo experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 36% to 40%. The lowest chance of overcast or mostly cloudy conditions is 36% on January 2.
The clearest day of the month is January 2, with clear, mostly clear, or partly cloudy conditions 64% of the time.
For reference, on June 5, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 95%, while on January 1, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 64%.
Cloud Cover Categories in January
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In San Rafael Abajo, the chance of a wet day over the course of January is decreasing, starting the month at 10% and ending it at 6%.
For reference, the year's highest daily chance of a wet day is 51% on October 7, and its lowest chance is 5% on February 2.
Probability of Precipitation in January
The average sliding 31-day rainfall during January in San Rafael Abajo is gradually decreasing, starting the month at 0.9 inches, when it rarely exceeds 2.3 inches, and ending the month at 0.5 inches, when it rarely exceeds 1.3 inches or falls below -0.0 inches.
Average Monthly Rainfall in January
Over the course of January in San Rafael Abajo, the length of the day is essentially constant. The shortest day of the month is January 1, with 11 hours, 34 minutes of daylight and the longest day is January 31, with 11 hours, 43 minutes of daylight.
Hours of Daylight and Twilight in January
The earliest sunrise of the month in San Rafael Abajo is 5:54 AM on January 1 and the latest sunrise is 6 minutes later at 5:59 AM on January 27.
The earliest sunset is 5:27 PM on January 1 and the latest sunset is 14 minutes later at 5:41 PM on January 31.
Daylight saving time is not observed in San Rafael Abajo during 2017.
For reference, on June 21, the longest day of the year, the Sun rises at 5:18 AM and sets 12 hours, 42 minutes later, at 6:00 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 5:22 PM.
Sunrise & Sunset with Twilight in January
The chance that a given day will be muggy in San Rafael Abajo is decreasing during January, falling from 13% to 8% over the course of the month.
The lowest chance of a muggy day during January is 7% on January 24.
For reference, on June 4, the muggiest day of the year, there are muggy conditions 85% of the time, while on January 24, the least muggy day of the year, there are muggy conditions 7% of the time.
Humidity Comfort Levels in January
The average hourly wind speed in San Rafael Abajo is essentially constant during January, remaining within 0.2 miles per hour of 2.5 miles per hour throughout.
For reference, on October 8, the windiest day of the year, the daily average wind speed is 3.3 miles per hour, while on December 10, the calmest day of the year, the daily average wind speed is 2.0 miles per hour.
Average Wind Speed in January
Wind Direction in January
San Rafael Abajo 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 Rafael Abajo is essentially constant during January, remaining around 83°F throughout.
Average Water Temperature in January
Temperatures in San Rafael Abajo 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 January
The average accumulated growing degree days in San Rafael Abajo is rapidly increasing during January, increasing by 540°F, from 202°F to 742°F, over the course of the month.
Growing Degree Days in January
The average daily incident shortwave solar energy in San Rafael Abajo is gradually increasing during January, rising by 0.7 kWh, from 5.6 kWh to 6.2 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in January
For the purposes of this report, the geographical coordinates of San Rafael Abajo are 9.831 deg latitude, -84.290 deg longitude, and 2,792 ft elevation.
The topography within 2 miles of San Rafael Abajo contains large variations in elevation, with a maximum elevation change of 2,014 feet and an average elevation above sea level of 2,818 feet. Within 10 miles contains large variations in elevation (7,530 feet). Within 50 miles also contains extreme variations in elevation (11,467 feet).
The area within 2 miles of San Rafael Abajo is covered by trees (38%), grassland (29%), shrubs (17%), and cropland (16%), within 10 miles by trees (40%) and grassland (35%), and within 50 miles by trees (39%) and water (31%).
This report illustrates the typical weather in San Rafael Abajo 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 Rafael Abajo.
At a distance of 20 kilometers from San Rafael Abajo, 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 Rafael Abajo 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 .