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December Weather in Ovalle Chile

Daily high temperatures increase by 3°F, from 70°F to 73°F, rarely falling below 66°F or exceeding 76°F.

Daily low temperatures increase by 3°F, from 53°F to 56°F, rarely falling below 50°F or exceeding 59°F.

For reference, on January 30, the hottest day of the year, temperatures in Ovalle typically range from 57°F to 74°F, while on July 12, the coldest day of the year, they range from 44°F to 60°F.

Average High and Low Temperature in December in Ovalle

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 December. 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 December in Ovalle

Average Hourly Temperature in December in OvalleDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJancoldcoolcoolcomfortablecold
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.

Monte Sereno, California, United States (5,728 miles away); Geelong, Australia (7,170 miles); and Paeroa, New Zealand (6,066 miles) are the far-away foreign places with temperatures most similar to Ovalle (view comparison).

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The month of December in Ovalle experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 11% throughout the month.

The clearest day of the month is December 31, with clear, mostly clear, or partly cloudy conditions 91% of the time.

For reference, on May 31, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 47%, while on February 18, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 94%.

Cloud Cover Categories in December in Ovalle

Cloud Cover Categories in December in OvalleDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%NovJanDec 188%Dec 188%Dec 3191%Dec 3191%Dec 1189%Dec 1189%Dec 2190%Dec 2190%clearovercastmostly clearpartly cloudy
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.

Over the course of December in Ovalle, the length of the day is essentially constant. The shortest day of the month is December 1, with 13 hours, 59 minutes of daylight and the longest day is December 20, with 14 hours, 8 minutes of daylight.

Hours of Daylight and Twilight in December in Ovalle

Hours of Daylight and Twilight in December in OvalleDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrNovJanDec 2114 hr, 8 minDec 2114 hr, 8 mindaydaydaydaynightDec 113 hr, 59 minDec 113 hr, 59 min
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 Ovalle is 6:34 AM on December 3 and the latest sunrise is 11 minutes later at 6:45 AM on December 31.

The earliest sunset is 8:33 PM on December 1 and the latest sunset is 17 minutes later at 8:50 PM on December 31.

Daylight saving time is observed in Ovalle during 2024, but it neither starts nor ends during December, so the entire month is in standard time.

For reference, on December 21, the longest day of the year, the Sun rises at 6:39 AM and sets 14 hours, 8 minutes later, at 8:47 PM, while on June 20, the shortest day of the year, it rises at 7:41 AM and sets 10 hours, 10 minutes later, at 5:51 PM.

Sunrise & Sunset with Twilight in December in Ovalle

Sunrise & Sunset with Twilight in December in OvalleDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031312 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMNovJan6:34 AM6:34 AMDec 38:35 PMDec 38:35 PM6:45 AM6:45 AMDec 318:50 PMDec 318:50 PM6:39 AM6:39 AMDec 218:47 PMDec 218:47 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of December. 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 December in Ovalle

Solar Elevation and Azimuth in December in OvalleDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJan0010102020203030404050505060607070800001010202030303040405050606060707080
northeastsouthwest
Solar elevation and azimuth over the course of December 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 December 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 December in Ovalle

Moon Rise, Set & Phases in December in OvalleDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNovJanNov 19:48 AMNov 19:48 AMNov 156:29 PMNov 156:29 PMDec 13:22 AMDec 13:22 AMDec 156:02 AMDec 156:02 AMDec 307:28 PMDec 307:28 PMJan 137:28 PMJan 137:28 PMJan 299:37 AMJan 299:37 AM6:37 AM6:37 AM8:31 PM8:31 PM8:27 PM8:27 PM6:52 AM6:52 AM6:28 AM6:28 AM9:22 PM9:22 PM8:27 PM8:27 PM6:25 AM6:25 AM6:03 AM6:03 AM9:06 PM9:06 PM9:06 PM9:06 PM7:21 AM7:21 AM7:01 AM7:01 AM9:14 PM9:14 PM
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.
Dec 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
0%6:28 AMESE9:22 PMWSW-1:53 PMN245,389 mi
2
2%7:17 AMESE10:20 PMWSW-2:48 PMN243,309 mi
3
7%8:13 AMESE11:13 PMWSW-3:44 PMN241,178 mi
4
13%9:15 AMESE--4:40 PMN239,033 mi
5
21%-12:00 AMWSW10:20 AMESE5:34 PMN236,894 mi
6
31%-12:41 AMWSW11:26 AMESE6:24 PMN234,779 mi
7
42%-1:17 AMWSW12:31 PMESE7:13 PMN232,722 mi
8
50%-1:49 AMW1:35 PME7:59 PMN230,796 mi
9
65%-2:20 AMW2:39 PME8:46 PMN229,114 mi
10
76%-2:51 AMW3:45 PME9:35 PMN227,830 mi
11
86%-3:23 AMWNW4:53 PMENE10:26 PMN227,117 mi
12
93%-3:59 AMWNW6:04 PMENE11:22 PMN227,137 mi
13
96%-4:40 AMWNW7:16 PMENE--
14
98%-5:29 AMWNW8:27 PMENE12:22 AMN228,005 mi
15
100%-6:25 AMWNW9:32 PMENE1:26 AMN229,744 mi
16
99%-7:28 AMWNW10:29 PMENE2:30 AMN232,264 mi
17
96%-8:34 AMWNW11:16 PMENE3:32 AMN235,365 mi
18
90%-9:40 AMWNW11:55 PMENE4:28 AMN238,775 mi
19
82%-10:43 AMWNW-5:19 AMN242,196 mi
20
74%12:28 AMENE11:41 AMWNW-6:04 AMN245,344 mi
21
64%12:56 AME12:37 PMW-6:46 AMN247,978 mi
22
50%1:23 AME1:31 PMW-7:26 AMN249,916 mi
23
45%1:48 AME2:24 PMW-8:04 AMN251,046 mi
24
36%2:13 AME3:18 PMWSW-8:43 AMN251,323 mi
25
27%2:39 AMESE4:13 PMWSW-9:23 AMN250,772 mi
26
18%3:09 AMESE5:10 PMWSW-10:06 AMN249,482 mi
27
11%3:42 AMESE6:10 PMWSW-10:53 AMN247,592 mi
28
6%4:22 AMESE7:10 PMWSW-11:44 AMN245,280 mi
29
2%5:09 AMESE8:10 PMWSW-12:38 PMN242,746 mi
30
0%6:03 AMESE9:06 PMWSW-1:35 PMN240,188 mi
31
1%7:05 AMESE9:56 PMWSW-2:33 PMN237,782 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 Ovalle is essentially constant during December, remaining around 0% throughout.

For reference, on January 1, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 29, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in December in Ovalle

Humidity Comfort Levels in December in OvalleDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%NovJanDec 10%Dec 10%Dec 310%Dec 310%Dec 110%Dec 110%Dec 210%Dec 210%comfortablecomfortabledrydry
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 Ovalle is essentially constant during December, remaining within 0.1 miles per hour of 7.5 miles per hour throughout.

For reference, on December 25, the windiest day of the year, the daily average wind speed is 7.6 miles per hour, while on June 22, the calmest day of the year, the daily average wind speed is 5.0 miles per hour.

The highest daily average wind speed during December is 7.6 miles per hour on December 26.

Average Wind Speed in December in Ovalle

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 Ovalle throughout December is predominantly from the west, with a peak proportion of 55% on December 30.

Wind Direction in December in Ovalle

Wind Direction in December in OvalleDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%NovJanwestsouthnorth
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).

Ovalle 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 Ovalle is gradually increasing during December, rising by 3°F, from 59°F to 61°F, over the course of the month.

Average Water Temperature in December in Ovalle

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 Ovalle 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 December in Ovalle

Time Spent in Various Temperature Bands and the Growing Season in December in OvalleDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%NovJan100%Dec 16100%Dec 16coldcoolcomfortablewarm
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 Ovalle are increasing during December, increasing by 373°F, from 869°F to 1,242°F, over the course of the month.

Growing Degree Days in December in Ovalle

The average growing degree days accumulated over the course of December, 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 Ovalle is essentially constant during December, remaining within 0.1 kWh of 9.2 kWh throughout.

The highest average daily incident shortwave solar energy during December is 9.3 kWh on December 24.

Average Daily Incident Shortwave Solar Energy in December in Ovalle

Average Daily Incident Shortwave Solar Energy in December in OvalleDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWh10 kWh10 kWhNovJanDec 249.3 kWhDec 249.3 kWhDec 19.1 kWhDec 19.1 kWhDec 119.2 kWhDec 119.2 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 Ovalle are -30.601 deg latitude, -71.199 deg longitude, and 715 ft elevation.

The topography within 2 miles of Ovalle contains very significant variations in elevation, with a maximum elevation change of 869 feet and an average elevation above sea level of 851 feet. Within 10 miles contains very significant variations in elevation (3,698 feet). Within 50 miles also contains extreme variations in elevation (15,276 feet).

The area within 2 miles of Ovalle is covered by shrubs (42%), grassland (21%), trees (20%), and sparse vegetation (11%), within 10 miles by sparse vegetation (30%) and trees (21%), and within 50 miles by water (22%) and sparse vegetation (21%).

This report illustrates the typical weather in Ovalle, 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, La Florida Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Ovalle.

At a distance of 76 kilometers from Ovalle, 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 Ovalle 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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