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Fall Weather in Merimbula New South Wales, Australia

Daily high temperatures decrease by 13°F, from 75°F to 62°F, rarely falling below 58°F or exceeding 82°F.

Daily low temperatures decrease by 12°F, from 63°F to 51°F, rarely falling below 45°F or exceeding 68°F.

For reference, on January 25, the hottest day of the year, temperatures in Merimbula typically range from 64°F to 76°F, while on July 19, the coldest day of the year, they range from 48°F to 59°F.

Average High and Low Temperature in the Fall in Merimbula

Average High and Low Temperature in the Fall in MerimbulaMarAprMay40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°FSummerWinterMar 175°FMar 175°F63°F63°FMay 3162°FMay 3162°F51°F51°FApr 171°FApr 171°F59°F59°FMay 167°FMay 167°F55°F55°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 fall 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.

Average Hourly Temperature in the Fall in Merimbula

Average Hourly Temperature in the Fall in MerimbulaMarAprMay12 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 AMSummerWintercoldcoldcoolcomfortable
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.

Cape Town, Western Cape, South Africa (6,641 miles away) is the far-away foreign place with temperatures most similar to Merimbula (view comparison).

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The fall in Merimbula experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 29% to 39%. The highest chance of overcast or mostly cloudy conditions is 39% on May 28. The lowest chance of overcast or mostly cloudy conditions is 29% on March 2.

The clearest day of the fall is March 2, with clear, mostly clear, or partly cloudy conditions 71% of the time.

For reference, on November 27, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 42%, while on August 10, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 73%.

Cloud Cover Categories in the Fall in Merimbula

Cloud Cover Categories in the Fall in MerimbulaMarAprMay0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SummerWinterAug 1073%Aug 1073%Nov 2758%Nov 2758%Mar 171%Mar 171%May 3161%May 3161%Apr 169%Apr 169%May 165%May 165%clearmostly clearpartly 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 Merimbula, the chance of a wet day over the course of the fall is essentially constant, remaining around 19% throughout.

For reference, the year's highest daily chance of a wet day is 29% on November 20, and its lowest chance is 14% on July 28.

Probability of Precipitation in the Fall in Merimbula

Probability of Precipitation in the Fall in MerimbulaMarAprMay0%0%2%2%4%4%6%6%8%8%10%10%12%12%14%14%16%16%18%18%20%20%22%22%24%24%SummerWinterMar 120%Mar 120%May 3120%May 3120%Apr 119%Apr 119%May 120%May 120%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 season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the fall in Merimbula is gradually decreasing, starting the season at 2.6 inches, when it rarely exceeds 5.6 inches or falls below 0.3 inches, and ending the season at 2.3 inches, when it rarely exceeds 5.2 inches or falls below 0.5 inches.

The lowest average 31-day accumulation is 1.9 inches on May 9.

Average Monthly Rainfall in the Fall in Merimbula

Average Monthly Rainfall in the Fall in MerimbulaMarAprMay0 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 in6 in6 in7 in7 inSummerWinterMay 81.9 inMay 81.9 inMar 12.6 inMar 12.6 inMay 312.3 inMay 312.3 inApr 12.3 inApr 12.3 in
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 the fall in Merimbula, the length of the day is very rapidly decreasing. From the start to the end of the season, the length of the day decreases by 3 hours, 5 minutes, implying an average daily decrease of 2 minutes, 2 seconds, and weekly decrease of 14 minutes, 13 seconds.

The shortest day of the fall is May 31, with 9 hours, 48 minutes of daylight and the longest day is March 1, with 12 hours, 53 minutes of daylight.

Hours of Daylight and Twilight in the Fall in Merimbula

Hours of Daylight and Twilight in the Fall in MerimbulaMarAprMay0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSummerWinterMar 2012 hr, 8 minMar 2012 hr, 8 mindaydaydaydaynightMay 319 hr, 48 minMay 319 hr, 48 minMay 110 hr, 35 minMay 110 hr, 35 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 latest sunrise of the fall in Merimbula is 7:18 AM on April 6 and the earliest sunrise is 59 minutes earlier at 6:19 AM on April 7.

The latest sunset is 7:39 PM on March 1 and the earliest sunset is 2 hours, 47 minutes earlier at 4:52 PM on May 31.

Daylight saving time (DST) ends at 2:00 AM on April 7, 2024, shifting sunrise and sunset to be an hour earlier.

For reference, on December 21, the longest day of the year, the Sun rises at 5:37 AM and sets 14 hours, 42 minutes later, at 8:19 PM, while on June 20, the shortest day of the year, it rises at 7:13 AM and sets 9 hours, 38 minutes later, at 4:50 PM.

Sunrise & Sunset with Twilight and Daylight Saving Time in the Fall in Merimbula

Sunrise & Sunset with Twilight and Daylight Saving Time in the Fall in MerimbulaMarAprMay12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMSummerWinter6:19 AM6:19 AMApr 75:45 PMApr 75:45 PM6:45 AM6:45 AMMar 17:39 PMMar 17:39 PM7:03 AM7:03 AMMay 314:52 PMMay 314:52 PM6:39 AM6:39 AMMay 15:14 PMMay 15:14 PMDSTApr 7DSTApr 7SolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day in the fall. 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 transitions to and from daylight saving time are indicated by the 'DST' labels.

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 the Fall in Merimbula

Solar Elevation and Azimuth in the Fall in MerimbulaMarAprMay12 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 AMSummerWinter002020303050600010103040
northeastsouthwest
Solar elevation and azimuth in the the fall of 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 the fall of 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 the Fall in Merimbula

Moon Rise, Set & Phases in the Fall in MerimbulaMarAprMay12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSummerWinterFeb 1010:00 AMFeb 1010:00 AMFeb 2411:31 PMFeb 2411:31 PMMar 108:01 PMMar 108:01 PMMar 256:01 PMMar 256:01 PMApr 94:22 AMApr 94:22 AMApr 249:50 AMApr 249:50 AMMay 81:23 PMMay 81:23 PMMay 2311:54 PMMay 2311:54 PMJun 610:38 PMJun 610:38 PMJun 2211:09 AMJun 2211:09 AM8:34 PM8:34 PM7:53 PM7:53 PM6:57 AM6:57 AM7:31 PM7:31 PM7:05 PM7:05 PM7:42 AM7:42 AM6:31 AM6:31 AM5:53 PM5:53 PM4:54 PM4:54 PM6:33 AM6:33 AM6:36 AM6:36 AM4:55 PM4:55 PM4:22 PM4:22 PM7:34 AM7:34 AM6:43 AM6:43 AM4:13 PM4:13 PM3:43 PM3:43 PM7:29 AM7:29 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.

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 Merimbula is rapidly decreasing during the fall, falling from 13% to 0% over the course of the season.

For reference, on February 7, the muggiest day of the year, there are muggy conditions 17% of the time, while on May 25, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in the Fall in Merimbula

Humidity Comfort Levels in the Fall in MerimbulaMarAprMay0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SummerWinterMar 113%Mar 113%May 310%May 310%Apr 13%Apr 13%May 10%May 10%muggymuggyhumidhumidcomfortablecomfortabledrydry
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 Merimbula is essentially constant during the fall, remaining within 0.3 miles per hour of 7.2 miles per hour throughout.

For reference, on June 24, the windiest day of the year, the daily average wind speed is 7.8 miles per hour, while on April 30, the calmest day of the year, the daily average wind speed is 7.0 miles per hour.

The lowest daily average wind speed during the fall is 7.0 miles per hour on April 30.

Average Wind Speed in the Fall in Merimbula

Average Wind Speed in the Fall in MerimbulaMarAprMay0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mphSummerWinterApr 307.0 mphApr 307.0 mphMar 17.4 mphMar 17.4 mphMay 317.5 mphMay 317.5 mphApr 17.1 mphApr 17.1 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The wind direction in Merimbula during the fall is predominantly out of the north from March 1 to April 5, the south from April 5 to April 21, and the west from April 21 to May 31.

Wind Direction in the Fall in Merimbula

Wind Direction in the Fall in MerimbulaNSWMarAprMay0%100%20%80%40%60%60%40%80%20%100%0%SummerWinterwestsoutheastnorth
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).

Merimbula 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 Merimbula is decreasing during the fall, falling by 6°F, from 71°F to 64°F, over the course of the season.

Average Water Temperature in the Fall in Merimbula

Average Water Temperature in the Fall in MerimbulaMarAprMay58°F58°F60°F60°F62°F62°F64°F64°F66°F66°F68°F68°F70°F70°F72°F72°F74°F74°FSummerWinterMar 171°FMar 171°FMay 3164°FMay 3164°FApr 170°FApr 170°FMay 167°FMay 167°F
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 Merimbula 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 the Fall in Merimbula

Time Spent in Various Temperature Bands and the Growing Season in the Fall in MerimbulaMarAprMay0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SummerWinter100%Apr 16100%Apr 16coldcoolcomfortablewarmvery cold
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 Merimbula are very rapidly increasing during the fall, increasing by 1,165°F, from 2,929°F to 4,093°F, over the course of the season.

Growing Degree Days in the Fall in Merimbula

Growing Degree Days in the Fall in MerimbulaMarAprMay2,600°F2,600°F2,800°F2,800°F3,000°F3,000°F3,200°F3,200°F3,400°F3,400°F3,600°F3,600°F3,800°F3,800°F4,000°F4,000°F4,200°F4,200°F4,400°F4,400°FSummerWinterMar 12,929°FMar 12,929°FMay 314,093°FMay 314,093°FApr 13,454°FApr 13,454°FMay 13,838°FMay 13,838°F
The average growing degree days accumulated over the course of the fall, 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 Merimbula is very rapidly decreasing during the fall, falling by 3.7 kWh, from 6.1 kWh to 2.4 kWh, over the course of the season.

Average Daily Incident Shortwave Solar Energy in the Fall in Merimbula

Average Daily Incident Shortwave Solar Energy in the Fall in MerimbulaMarAprMay0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhSummerWinterMar 16.1 kWhMar 16.1 kWhMay 312.4 kWhMay 312.4 kWhApr 14.6 kWhApr 14.6 kWhMay 13.3 kWhMay 13.3 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 Merimbula are -36.889 deg latitude, 149.910 deg longitude, and 13 ft elevation.

The topography within 2 miles of Merimbula contains significant variations in elevation, with a maximum elevation change of 686 feet and an average elevation above sea level of 112 feet. Within 10 miles contains significant variations in elevation (2,201 feet). Within 50 miles contains large variations in elevation (4,409 feet).

The area within 2 miles of Merimbula is covered by trees (45%) and water (36%), within 10 miles by trees (49%) and water (42%), and within 50 miles by water (45%) and trees (42%).

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

At a distance of 187 kilometers from Merimbula, further than our threshold of 150 kilometers, this station is deemed insufficiently nearby to be relied upon as our primary source for temperature and dew point records. Consequently, the station records are blended with interpolated values from NASA's MERRA-2 satellite-era reanalysis , and both are corrected for elevation differences according to the International Standard Atmosphere .

The weight assigned to the MERRA-2 value depends on the distance from Merimbula to the nearest station, increasing from 0% at 150 kilometers to 100% at 200 kilometers. In this case, the MERRA-2 weight is 43%, making the weight assigned to the weather station 57%.

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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