1. WeatherSpark.com
  2. Argentina
  3. Chubut
  4. Trelew

May Weather in Trelew Argentina

Daily high temperatures decrease by 8°F, from 64°F to 55°F, rarely falling below 47°F or exceeding 73°F.

Daily low temperatures decrease by 6°F, from 44°F to 38°F, rarely falling below 29°F or exceeding 53°F.

For reference, on January 13, the hottest day of the year, temperatures in Trelew typically range from 59°F to 83°F, while on July 2, the coldest day of the year, they range from 35°F to 53°F.

Average High and Low Temperature in May in Trelew

Average High and Low Temperature in May in TrelewMay112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313125°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°FAprJunMay 164°FMay 164°F44°F44°FMay 3155°FMay 3155°F38°F38°FMay 1161°FMay 1161°F42°F42°FMay 2158°FMay 2158°F40°F40°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 hourly average temperatures for the quarter of the year centered on May. 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 May in Trelew

Average Hourly Temperature in May in TrelewMay112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMAprJunvery coldvery coldcoldcoolcomfortablecool
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.

Yass, Australia (6,634 miles away) is the far-away foreign place with temperatures most similar to Trelew (view comparison).

Map
Marker
© OpenStreetMap contributors

Compare Trelew to another city:

Map

The month of May in Trelew experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 45% to 50%. The highest chance of overcast or mostly cloudy conditions is 51% on May 20.

The clearest day of the month is May 1, with clear, mostly clear, or partly cloudy conditions 55% of the time.

For reference, on May 20, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 51%, while on January 22, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 73%.

Cloud Cover Categories in May in Trelew

Cloud Cover Categories in May in TrelewMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AprJunJan 2273%Jan 2273%May 155%May 155%May 3150%May 3150%May 1151%May 1151%May 2149%May 2149%clearmostly clearpartly cloudymostly cloudyovercast
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.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Trelew, the chance of a wet day over the course of May is essentially constant, remaining around 10% throughout.

For reference, the year's highest daily chance of a wet day is 11% on June 9, and its lowest chance is 5% on December 9.

Probability of Precipitation in May in Trelew

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 month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during May in Trelew is essentially constant, remaining about 0.8 inches throughout, and rarely exceeding 2.4 inches.

Average Monthly Rainfall in May in Trelew

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 snowfall.

Over the course of May in Trelew, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 58 minutes, implying an average daily decrease of 1 minute, 57 seconds, and weekly decrease of 13 minutes, 37 seconds.

The shortest day of the month is May 31, with 9 hours, 12 minutes of daylight and the longest day is May 1, with 10 hours, 10 minutes of daylight.

Hours of Daylight and Twilight in May in Trelew

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 Trelew is 8:13 AM on May 1 and the latest sunrise is 30 minutes later at 8:43 AM on May 31.

The latest sunset is 6:22 PM on May 1 and the earliest sunset is 28 minutes earlier at 5:54 PM on May 31.

Daylight saving time is not observed in Trelew during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:37 AM and sets 15 hours, 24 minutes later, at 9:01 PM, while on June 20, the shortest day of the year, it rises at 8:53 AM and sets 8 hours, 58 minutes later, at 5:52 PM.

Sunrise & Sunset with Twilight in May in Trelew

The solar day over the course of May. 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 May in Trelew

Solar Elevation and Azimuth in May in TrelewMay112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMAprJun001010202020300001010202030
northeastsouthwest
Solar elevation and azimuth over the course of May 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 May 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 May in Trelew

Moon Rise, Set & Phases in May in TrelewMay112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMAprJunApr 83:22 PMApr 83:22 PMApr 238:50 PMApr 238:50 PMMay 812:23 AMMay 812:23 AMMay 2310:54 AMMay 2310:54 AMJun 69:38 AMJun 69:38 AMJun 2110:09 PMJun 2110:09 PM7:27 AM7:27 AM6:55 PM6:55 PM6:18 PM6:18 PM8:45 AM8:45 AM7:40 AM7:40 AM5:46 PM5:46 PM5:10 PM5:10 PM8:50 AM8:50 AM9:12 AM9:12 AM5:38 PM5:38 PM5:09 PM5:09 PM9:52 AM9:52 AM
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.
May 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
50%-3:20 PMWSW-7:40 AMN232,238 mi
2
39%1:06 AMESE3:48 PMWSW-8:32 AMN229,904 mi
3
28%2:24 AMESE4:12 PMWSW-9:22 AMN227,902 mi
4
17%3:42 AME4:34 PMW-10:11 AMN226,437 mi
5
9%5:00 AME4:56 PMW-11:00 AMN225,709 mi
6
3%6:19 AMENE5:19 PMWNW-11:50 AMN225,878 mi
7
0%7:40 AMENE5:46 PMWNW-12:43 PMN227,019 mi
8
0%9:01 AMENE6:19 PMWNW-1:40 PMN229,099 mi
9
3%10:21 AMNE7:00 PMNW-2:40 PMN231,968 mi
10
9%11:33 AMNE7:51 PMNW-3:42 PMN235,375 mi
11
16%12:34 PMNE8:51 PMNW-4:43 PMN239,011 mi
12
25%1:23 PMNE9:57 PMNW-5:40 PMN242,556 mi
13
35%2:01 PMNE11:05 PMWNW-6:33 PMN245,729 mi
14
45%2:30 PMENE--7:21 PMN248,311 mi
15
50%-12:12 AMWNW2:53 PMENE8:05 PMN250,155 mi
16
64%-1:17 AMWNW3:13 PMENE8:45 PMN251,190 mi
17
73%-2:20 AMW3:30 PME9:24 PMN251,412 mi
18
81%-3:22 AMW3:47 PME10:03 PMN250,879 mi
19
88%-4:24 AMW4:04 PME10:42 PMN249,694 mi
20
94%-5:27 AMWSW4:22 PMESE11:23 PMN247,995 mi
21
96%-6:32 AMWSW4:44 PMESE--
22
98%-7:40 AMWSW5:10 PMESE12:07 AMN245,935 mi
23
100%-8:50 AMSW5:43 PMSE12:55 AMN243,671 mi
24
100%-10:00 AMSW6:25 PMSE1:47 AMN241,345 mi
25
97%-11:04 AMSW7:19 PMSE2:43 AMN239,074 mi
26
92%-12:01 PMSW8:25 PMSE3:41 AMN236,942 mi
27
85%-12:46 PMSW9:38 PMSE4:40 AMN234,996 mi
28
76%-1:23 PMWSW10:55 PMESE5:36 AMN233,259 mi
29
65%-1:52 PMWSW-6:29 AMN231,744 mi
30
50%12:13 AMESE2:16 PMWSW-7:19 AMN230,474 mi
31
42%1:29 AME2:38 PMW-8:07 AMN229,497 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 Trelew is essentially constant during May, remaining around 0% throughout.

For reference, on February 22, the muggiest day of the year, there are muggy conditions 0% of the time, while on March 28, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in May in Trelew

Humidity Comfort Levels in May in TrelewMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%AprJunMay 160%May 160%May 10%May 10%May 310%May 310%drydrycomfortablecomfortable
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 Trelew is essentially constant during May, remaining within 0.1 miles per hour of 13.2 miles per hour throughout.

For reference, on December 7, the windiest day of the year, the daily average wind speed is 14.5 miles per hour, while on September 25, the calmest day of the year, the daily average wind speed is 12.9 miles per hour.

The lowest daily average wind speed during May is 13.1 miles per hour on May 17.

Average Wind Speed in May in Trelew

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 Trelew throughout May is predominantly from the west, with a peak proportion of 56% on May 8.

Wind Direction in May in Trelew

Wind Direction in May in TrelewMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%AprJunwestnorthsoutheast
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).

Trelew 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 Trelew is gradually decreasing during May, falling by 3°F, from 57°F to 54°F, over the course of the month.

Average Water Temperature in May in Trelew

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).

The growing season in Trelew typically lasts for 7.7 months (232 days), from around September 23 to around May 13, rarely starting before August 30 or after October 18, and rarely ending before April 19 or after June 3.

During May in Trelew, the chance that a given day is within the growing season is very rapidly decreasing falling from 76% to 13% over the course of the month.

Time Spent in Various Temperature Bands and the Growing Season in May in Trelew

Time Spent in Various Temperature Bands and the Growing Season in May in Trelewgrowing seasonMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AprJun76%May 176%May 1May 3113%May 3113%54%May 1154%May 11May 2132%May 2132%90%Apr 1990%Apr 19freezingvery coldcoldcoolwarm
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 Trelew are gradually increasing during May, increasing by 104°F, from 3,325°F to 3,429°F, over the course of the month.

Growing Degree Days in May in Trelew

The average growing degree days accumulated over the course of May, 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 Trelew is gradually decreasing during May, falling by 0.9 kWh, from 2.7 kWh to 1.7 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in May in Trelew

Average Daily Incident Shortwave Solar Energy in May in TrelewMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 kWh0.0 kWh0.5 kWh0.5 kWh1.0 kWh1.0 kWh1.5 kWh1.5 kWh2.0 kWh2.0 kWh2.5 kWh2.5 kWh3.0 kWh3.0 kWh3.5 kWh3.5 kWh4.0 kWh4.0 kWh4.5 kWh4.5 kWh5.0 kWh5.0 kWhAprJunMay 12.7 kWhMay 12.7 kWhMay 311.7 kWhMay 311.7 kWhMay 112.3 kWhMay 112.3 kWhMay 211.9 kWhMay 211.9 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 Trelew are -43.249 deg latitude, -65.305 deg longitude, and 46 ft elevation.

The topography within 2 miles of Trelew contains only modest variations in elevation, with a maximum elevation change of 121 feet and an average elevation above sea level of 68 feet. Within 10 miles contains only modest variations in elevation (682 feet). Within 50 miles contains significant variations in elevation (1,129 feet).

The area within 2 miles of Trelew is covered by bare soil (54%), trees (17%), and grassland (15%), within 10 miles by trees (28%) and grassland (26%), and within 50 miles by water (31%) and trees (26%).

This report illustrates the typical weather in Trelew, 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, Almirante Marcos A. Zar Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Trelew.

At a distance of 5 kilometers from Trelew, 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 Trelew 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.

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