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Daily high temperatures are around 62°F, rarely falling below 57°F or exceeding 69°F. The lowest daily average high temperature is 61°F on January Daily low temperatures are around 49°F, rarely falling below 40°F or exceeding 58°F. The lowest daily average low temperature is 47°F on January For reference, on July 22 , the hottest day of the year, temperatures in Costa del Algarve typically range from 68°F to 84°F , while on January 23 , the coldest day of the year, they range from 47°F to 61°F.

The figure below shows you a compact characterization of the hourly average winter temperatures. 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.

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A wet day is one with at least 0. To show variation within the season and not just the monthly totals, we show the rainfall accumulated over a sliding day period centered around each day. The average sliding day rainfall during the winter in Costa del Algarve is rapidly decreasing , starting the season at 3. Over the course of the winter in Costa del Algarve, the length of the day is rapidly increasing.

From the start to the end of the season, the length of the day increases by 1 hour, 33 minutes , implying an average daily increase of 1 minute, 3 seconds , and weekly increase of 7 minutes, 20 seconds. The shortest day of the winter is December 21 , with 9 hours, 37 minutes of daylight and the longest day is February 28 , with 11 hours, 21 minutes of daylight. The latest sunrise of the winter in Costa del Algarve is AM on January 6 and the earliest sunrise is 42 minutes earlier at AM on February The earliest sunset is PM on December 6 and the latest sunset is 1 hour, 11 minutes later at PM on February Daylight saving time is observed in Costa del Algarve during , but it neither starts nor ends during the winter, so the entire season is in standard time.

For reference, on June 20 , the longest day of the year, the Sun rises at AM and sets 14 hours, 43 minutes later, at PM , while on December 21 , the shortest day of the year, it rises at AM and sets 9 hours, 37 minutes later, at PM. 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. The figure below presents a compact representation of key lunar data for the winter of 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. 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. 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 Costa del Algarve is essentially constant during the winter, remaining within 0.

For reference, on December 15 , the windiest day of the year, the daily average wind speed is The highest daily average wind speed during the winter is The wind direction in Costa del Algarve during the winter is predominantly out of the north from December 1 to December 7 and from December 29 to February 28 and the east from December 7 to December Costa del Algarve is located near a large body of water e.

This section reports on the wide-area average surface temperature of that water. The average surface water temperature in Costa del Algarve is decreasing during the winter, falling by 4°F , from 64°F to 60°F , over the course of the season. The lowest average surface water temperature during the winter is 60°F on February Temperatures in Costa del Algarve are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms.

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We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year. 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 Costa del Algarve are very rapidly decreasing during the winter, decreasing by 4,°F , from 5,°F to °F , over the course of the season. 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 Costa del Algarve is rapidly increasing during the winter, rising by 1. The lowest average daily incident shortwave solar energy during the winter is 2. For the purposes of this report, the geographical coordinates of Costa del Algarve are The topography within 2 miles of Costa del Algarve contains only modest variations in elevation, with a maximum elevation change of feet and an average elevation above sea level of 90 feet.

Within 10 miles contains only modest variations in elevation 1, feet. Within 50 miles contains very significant variations in elevation 3, feet. This report illustrates the typical weather in Costa del Algarve, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, to December 31, The details of the data sources used for this report can be found on the Faro Airport page.

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. Please review our full terms contained on our Terms of Service page.

You're permitted to use this graph as long as you provide prominent attribution with a link back close to the use of the graph. For example: © WeatherSpark. For print usage, please acquire a license. Full Year. Spring Summer Fall Winter. History: 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 average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight. Compare Costa del Algarve to another city:. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

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. The average rainfall solid line accumulated over the course of a sliding 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. Hours of Daylight and Twilight in the Winter in Costa del Algarve Dec Jan Feb 0 hr 24 hr 4 hr 20 hr 8 hr 16 hr 12 hr 12 hr 16 hr 8 hr 20 hr 4 hr 24 hr 0 hr Fall Spring Dec 21 9 hr, 37 min Dec 21 9 hr, 37 min night night day day Feb 28 11 hr, 21 min Feb 28 11 hr, 21 min Feb 1 10 hr, 23 min Feb 1 10 hr, 23 min Now Now.

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 solar day in the winter. 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. Solar elevation and azimuth in the the winter of 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 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 percentage of time spent at various humidity comfort levels, categorized by dew point.

The average of mean hourly wind speeds dark gray line , with 25th to 75th and 10th to 90th percentile bands.

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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. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions northeast, southeast, southwest, and northwest.

The daily average water temperature purple line , with 25th to 75th and 10th to 90th percentile bands. 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. The average growing degree days accumulated over the course of the winter, with 25th to 75th and 10th to 90th percentile bands.

The average daily shortwave solar energy reaching the ground per square meter orange line , with 25th to 75th and 10th to 90th percentile bands. Disclaimer The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Data Download. License Charts. Precipitation A wet day is one with at least 0.