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Average Weather in San Felipe Costa Rica

In San Felipe, the wet season is humid and overcast, the dry season is partly cloudy, and it is warm year round. Over the course of the year, the temperature typically varies from 63°F to 81°F and is rarely below 60°F or above 84°F.

Average High and Low Temperature

Average High and Low Temperature in San Felipe60°F62°F64°F66°F68°F70°F72°F74°F76°F78°F80°F82°F84°FJanFebMarAprMayJunJulAugSepOctNovDecSep 1977°FSep 1977°FApr 881°FApr 881°F63°F63°F64°F64°FMar 980°FMar 980°FDec 1877°FDec 1877°F64°F64°F64°F64°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 entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature

Average Hourly Temperature in San Felipe12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDeccoolcomfortablewarm
The average hourly temperature, color coded into bands: frigid < 15°F < freezing < 32°F < chilly < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The shaded overlays indicate night and civil twilight.

Clouds

In San Felipe, the average percentage of the sky covered by clouds experiences extreme seasonal variation over the course of the year.

The clearer part of the year in San Felipe begins around November 24 and lasts for 4.5 months, ending around April 9. On January 2, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 64% of the time, and overcast or mostly cloudy 36% of the time.

The cloudier part of the year begins around April 9 and lasts for 7.5 months, ending around November 24. On June 5, the cloudiest day of the year, the sky is overcast or mostly cloudy 96% of the time, and clear, mostly clear, or partly cloudy 4% of the time.

Cloud Cover

Cloud Cover in San Felipeclearerclearercloudier0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJun 596%Jun 596%Jan 236%Jan 236%Nov 2467%Nov 2467%Apr 966%Apr 966%overcastmostly cloudypartly cloudymostly clearclear
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds: clear < 20% < mostly clear < 40% < partly cloudy < 60% < mostly cloudy < 80% < overcast.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in San Felipe varies significantly throughout the year.

The wetter season lasts 6.9 months, from May 3 to November 29, with a greater than 29% chance of a given day being a wet day. The chance of a wet day peaks at 51% on October 7.

The drier season lasts 5.2 months, from November 29 to May 3. The smallest chance of a wet day is 7% on March 16.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 51% on October 7.

Daily Chance of Precipitation

Daily Chance of Precipitation in San Felipewetdrydry0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecOct 751%Oct 751%Mar 167%Mar 167%Jan 113%Jan 113%May 329%May 329%Nov 2929%Nov 2929%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 months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. San Felipe experiences extreme seasonal variation in monthly rainfall.

Rain falls throughout the year in San Felipe. The most rain falls during the 31 days centered around October 11, with an average total accumulation of 6.6 inches.

The least rain falls around March 16, with an average total accumulation of 0.7 inches.

Average Monthly Rainfall

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 liquid-equivalent snowfall.

Sun

The length of the day in San Felipe does not vary substantially over the course of the year, staying within 42 minutes of 12 hours throughout. In 2017, the shortest day is December 21, with 11 hours, 33 minutes of daylight; the longest day is June 21, with 12 hours, 42 minutes of daylight.

Hours of Daylight and Twilight

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 is at 5:14 AM on May 29, and the latest sunrise is 45 minutes later at 5:58 AM on January 27. The earliest sunset is at 5:11 PM on November 15, and the latest sunset is 51 minutes later at 6:01 PM on July 11.

Daylight saving time (DST) is not observed in San Felipe during 2017.

Sunrise & Sunset with Twilight

Sunrise & Sunset with Twilight in San Felipe12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PMJanFebMarAprMayJunJulAugSepOctNovDecMay 295:14 AMMay 295:14 AM6:01 PMJul 116:01 PMJul 11Nov 155:11 PMNov 155:11 PM5:58 AMJan 275:58 AMJan 27daynightnightnightnight
The solar day over the course of the year 2017. 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.

Humidity

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.

San Felipe experiences extreme seasonal variation in the perceived humidity.

The muggier period of the year lasts for 7.8 months, from April 14 to December 7, during which time the comfort level is muggy, oppressive, or miserable at least 18% of the time. The muggiest day of the year is June 3, with muggy conditions 60% of the time.

The least muggy day of the year is January 24, with muggy conditions 3% of the time.

Humidity Comfort Levels

Humidity Comfort Levels in San Felipemuggy0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJan 243%Jan 243%Jun 360%Jun 360%Apr 1418%Apr 1418%Dec 718%Dec 718%oppressiveoppressivemuggymuggyhumidhumidcomfortablecomfortabledrydry
The percentage of time spent at various humidity comfort levels, categorized by dew point: dry < 55°F < comfortable < 60°F < humid < 65°F < muggy < 70°F < oppressive < 75°F < miserable.

Wind

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 Felipe does not vary significantly over the course of the year, remaining within 0.4 miles per hour of 1.4 miles per hour throughout.

Average Wind Speed

Average Wind Speed in San Felipe0.0 mph0.5 mph1.0 mph1.5 mph2.0 mph2.5 mph3.0 mphJanFebMarAprMayJunJulAugSepOctNovDecFeb 101.8 mphFeb 101.8 mphJun 141.0 mphJun 141.0 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The predominant average hourly wind direction in San Felipe varies throughout the year.

The wind is most often from the west for 2.7 weeks, from May 24 to June 12 and for 2.1 months, from August 29 to November 2, with a peak percentage of 57% on October 2. The wind is most often from the east for 2.5 months, from June 12 to August 29 and for 6.7 months, from November 2 to May 24, with a peak percentage of 60% on July 23.

Wind Direction

Wind Direction in San FelipeEWEWE0%20%40%60%80%100%JanFebMarAprMayJunJulAugSepOctNovDecwestsoutheastnorth
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions (north, east, south, and west), excluding hours in which the mean wind speed is less than 1 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Water Temperature

San Felipe 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 water temperature does not vary significantly over the course of the year, remaining within 1°F of 83°F throughout.

Average Water Temperature

The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

Solar Energy

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 experiences significant seasonal variation over the course of the year.

The brighter period of the year lasts for 2.5 months, from February 1 to April 15, with an average daily incident shortwave energy per square meter above 6.1 kWh. The brightest day of the year is March 21, with an average of 6.8 kWh.

The darker period of the year lasts for 5.9 months, from May 20 to November 17, with an average daily incident shortwave energy per square meter below 4.4 kWh. The darkest day of the year is October 11, with an average of 3.7 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy in San Felipebrightdark0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWhJanFebMarAprMayJunJulAugSepOctNovDecMar 216.8 kWhMar 216.8 kWhOct 113.7 kWhOct 113.7 kWhFeb 16.2 kWhFeb 16.2 kWhMay 204.3 kWhMay 204.3 kWhNov 174.4 kWhNov 174.4 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.

Topography

For the purposes of this report, the geographical coordinates of San Felipe are 9.905 deg latitude, -84.106 deg longitude, and 3,793 ft elevation.

The topography within 2 miles of San Felipe contains large variations in elevation, with a maximum elevation change of 2,077 feet and an average elevation above sea level of 3,931 feet. Within 10 miles contains large variations in elevation (5,945 feet). Within 50 miles also contains extreme variations in elevation (12,303 feet).

The area within 2 miles of San Felipe is covered by grassland (60%) and trees (33%), within 10 miles by grassland (44%) and trees (40%), and within 50 miles by trees (50%) and water (17%).

Data Sources

This report illustrates the typical weather in San Felipe, 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 Felipe.

At a distance of 15 kilometers from San Felipe, 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 Felipe 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 Tables of the Sun, Moon and Planets , 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 aiports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.