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Average Weather in Dos de Mayo Argentina

In Dos de Mayo, the summers are long, warm, and muggy; the winters are short and cool; and it is wet and partly cloudy year round. Over the course of the year, the temperature typically varies from 48°F to 84°F and is rarely below 35°F or above 90°F.

Based on the tourism score, the best times of year to visit Dos de Mayo for warm-weather activities are from mid February to late April and from early October to early January.

Climate Summary

warmcomfortablewarmJanFebMarAprMayJunJulAugSepOctNovDecNowNow67%67%54%54%clearovercastprecipitation: 8.2 inprecipitation: 8.2 in4.0 in4.0 inmuggy: 76%muggy: 76%3%3%drydrytourism score: 6.7tourism score: 6.74.54.5
Click on each chart for more information.

Temperature

The warm season lasts for 4.2 months, from November 17 to March 23, with an average daily high temperature above 80°F. The hottest day of the year is January 9, with an average high of 84°F and low of 65°F.

The cool season lasts for 2.8 months, from May 15 to August 9, with an average daily high temperature below 70°F. The coldest day of the year is July 20, with an average low of 48°F and high of 67°F.

Average High and Low Temperature

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 Dos de MayoJanFebMarAprMayJunJulAugSepOctNovDec12 AM4 AM8 AM12 PM4 PM8 PM12 AMNowNowcoldcoolcomfortablecomfortablewarmwarm
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.

Khamis Mushait, Saudi Arabia (7,234 miles away); Antananarivo, Madagascar (6,349 miles); and Goonellabah, Australia (8,165 miles) are the far-away foreign places with temperatures most similar to Dos de Mayo (view comparison).

Clouds

In Dos de Mayo, the average percentage of the sky covered by clouds experiences mild seasonal variation over the course of the year.

The clearer part of the year in Dos de Mayo begins around March 1 and lasts for 2.5 months, ending around May 19. On April 1, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 67% of the time, and overcast or mostly cloudy 33% of the time.

The cloudier part of the year begins around May 19 and lasts for 9.5 months, ending around March 1. On February 8, the cloudiest day of the year, the sky is overcast or mostly cloudy 46% of the time, and clear, mostly clear, or partly cloudy 54% of the time.

Cloud Cover Categories

Cloud Cover Categories in Dos de MayoclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Apr 167%Apr 167%Feb 854%Feb 854%May 1961%May 1961%NowNowclearmostly clearovercastmostly cloudypartly 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.

Precipitation

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

The wetter season lasts 6.8 months, from September 18 to April 11, with a greater than 39% chance of a given day being a wet day. The chance of a wet day peaks at 50% on February 8.

The drier season lasts 5.2 months, from April 11 to September 18. The smallest chance of a wet day is 28% on July 28.

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 50% on February 8.

Daily Chance of Precipitation

Daily Chance of Precipitation in Dos de MayowetwetdryJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Feb 850%Feb 850%Jul 2828%Jul 2828%Sep 1839%Sep 1839%Apr 1139%Apr 1139%NowNowrain
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. Dos de Mayo experiences extreme seasonal variation in monthly rainfall.

Rain falls throughout the year in Dos de Mayo. The most rain falls during the 31 days centered around October 20, with an average total accumulation of 8.2 inches.

The least rain falls around August 10, with an average total accumulation of 3.9 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 Dos de Mayo varies over the course of the year. In 2020, the shortest day is June 20, with 10 hours, 26 minutes of daylight; the longest day is December 21, with 13 hours, 51 minutes of daylight.

Hours of Daylight and Twilight

Hours of Daylight and Twilight in Dos de MayoJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 6 minSep 2212 hr, 6 minSep 2213 hr, 51 minDec 2113 hr, 51 minDec 2112 hr, 8 minMar 2012 hr, 8 minMar 2010 hr, 26 minJun 2010 hr, 26 minJun 20daydaynightNowNow
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 5:36 AM on December 1, and the latest sunrise is 1 hour, 52 minutes later at 7:28 AM on July 2. The earliest sunset is at 5:52 PM on June 7, and the latest sunset is 1 hour, 45 minutes later at 7:37 PM on January 11.

Daylight saving time (DST) is not observed in Dos de Mayo during 2020.

Sunrise & Sunset with Twilight

Sunrise & Sunset with Twilight in Dos de MayoJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMDec 15:36 AMDec 15:36 AM7:37 PMJan 117:37 PMJan 11Jun 75:52 PMJun 75:52 PM7:28 AMJul 27:28 AMJul 2daynightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of the year 2020. 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.

Dos de Mayo experiences extreme seasonal variation in the perceived humidity.

The muggier period of the year lasts for 6.7 months, from October 9 to May 1, during which time the comfort level is muggy, oppressive, or miserable at least 21% of the time. The muggiest day of the year is February 12, with muggy conditions 76% of the time.

The least muggy day of the year is July 21, with muggy conditions 3% of the time.

Humidity Comfort Levels

Humidity Comfort Levels in Dos de MayomuggymuggyJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Jul 213%Jul 213%76%Feb 1276%Feb 12Oct 921%Oct 921%May 121%May 121%NowNowoppressiveoppressivemuggymuggyhumidhumidcomfortablecomfortabledrydrymiserablemiserable
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.

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 Dos de Mayo does not vary significantly over the course of the year, remaining within 0.3 miles per hour of 2.3 miles per hour throughout.

Average Wind Speed

Average Wind Speed in Dos de MayoJanFebMarAprMayJunJulAugSepOctNovDec0.0 mph0.5 mph1.0 mph1.5 mph2.0 mph2.5 mph3.0 mph3.5 mphAug 262.6 mphAug 262.6 mphFeb 222.0 mphFeb 222.0 mphNowNow
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 Dos de Mayo varies throughout the year.

The wind is most often from the north for 1.1 months, from January 18 to February 21 and for 4.4 months, from April 24 to September 7, with a peak percentage of 44% on June 29. The wind is most often from the east for 2.1 months, from February 21 to April 24 and for 4.4 months, from September 7 to January 18, with a peak percentage of 39% on March 26.

Wind Direction

Wind Direction in Dos de MayoENENEJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowsoutheastnorthwest
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).

Best Time of Year to Visit

To characterize how pleasant the weather is in Dos de Mayo throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best times of year to visit Dos de Mayo for general outdoor tourist activities are from mid February to late April and from early October to early January, with a peak score in the last week of March.

Tourism Score

Tourism Score in Dos de Mayobest timebest timeJanFebMarAprMayJunJulAugSepOctNovDec02468106.76.74.54.55.85.8NowNow precipitationprecipitationcloudscloudstemperaturetemperaturetourism score
The tourism score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Dos de Mayo for hot-weather activities is from late November to late March, with a peak score in the second week of January.

Beach/Pool Score

Beach/Pool Score in Dos de Mayobest timeJanFebMarAprMayJunJulAugSepOctNovDec02468105.85.81.41.4NowNow precipitationprecipitationcloudscloudstemperaturetemperaturebeach/pool score
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Methodology

For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

Growing Season

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).

The growing season in Dos de Mayo typically lasts for 11 months (330 days), from around July 28 to around June 23, rarely starting after August 25, or ending before May 24.

Time Spent in Various Temperature Bands and the Growing Season

Time Spent in Various Temperature Bands and the Growing Season in Dos de Mayogrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Jul 2850%Jul 2850%Jun 2350%Jun 2390%Aug 2590%Aug 2590%May 2490%May 2431%Jul 1131%Jul 11Jan 5100%Jan 5100%NowNowvery coldcoldcoolcomfortablewarmhot
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.

Based on growing degree days alone, the first spring blooms in Dos de Mayo should appear around July 11, only rarely appearing before July 8 or after July 17.

Growing Degree Days

The average growing degree days accumulated over the course of the year, 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 3.4 months, from October 30 to February 11, with an average daily incident shortwave energy per square meter above 6.4 kWh. The brightest day of the year is December 10, with an average of 7.3 kWh.

The darker period of the year lasts for 3.0 months, from May 8 to August 7, with an average daily incident shortwave energy per square meter below 4.0 kWh. The darkest day of the year is June 24, with an average of 3.2 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy in Dos de MayobrightbrightdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWh9 kWh10 kWhDec 107.3 kWhDec 107.3 kWhJun 243.2 kWhJun 243.2 kWhFeb 116.4 kWhFeb 116.4 kWhMay 84.0 kWhMay 84.0 kWhAug 74.0 kWhAug 74.0 kWhNowNow
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 Dos de Mayo are -27.023 deg latitude, -54.687 deg longitude, and 1,667 ft elevation.

The topography within 2 miles of Dos de Mayo contains significant variations in elevation, with a maximum elevation change of 604 feet and an average elevation above sea level of 1,707 feet. Within 10 miles contains significant variations in elevation (1,270 feet). Within 50 miles also contains very significant variations in elevation (1,808 feet).

The area within 2 miles of Dos de Mayo is covered by trees (53%), cropland (25%), shrubs (11%), and grassland (10%), within 10 miles by trees (69%) and cropland (17%), and within 50 miles by trees (66%) and cropland (17%).

Data Sources

This report illustrates the typical weather in Dos de Mayo, 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, Encarnacion Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Dos de Mayo.

At a distance of 118 kilometers from Dos de Mayo, 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 Dos de Mayo 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 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.

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.