Average Weather in August in Mahina French Polynesia
Daily high temperatures are around 84°F, rarely falling below 81°F or exceeding 86°F. The lowest daily average high temperature is 83°F on August 10.
Daily low temperatures are around 72°F, rarely falling below 68°F or exceeding 75°F. The lowest daily average low temperature is 71°F on August 5.
For reference, on March 24, the hottest day of the year, temperatures in Mahina typically range from 77°F to 88°F, while on August 2, the coldest day of the year, they range from 71°F to 83°F.
Average High and Low Temperature in August
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on August. 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 August
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
Palmar de Ocoa, Dominican Republic (5,908 miles away); Salvador, Brazil (7,289 miles); and Natal, Brazil (7,684 miles) are the far-away foreign places with temperatures most similar to Mahina (view comparison).
The month of August in Mahina experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 23% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 22% on August 21.
The clearest day of the month is August 21, with clear, mostly clear, or partly cloudy conditions 78% of the time.
For reference, on December 30, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 79%, while on August 21, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 78%.
Cloud Cover Categories in August
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Mahina, the chance of a wet day over the course of August is essentially constant, remaining around 12% throughout.
For reference, the year's highest daily chance of a wet day is 52% on December 18, and its lowest chance is 10% on September 13.
Probability of Precipitation in August
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 August in Mahina is gradually decreasing, starting the month at 1.2 inches, when it rarely exceeds 3.1 inches or falls below 0.1 inches, and ending the month at 0.8 inches, when it rarely exceeds 2.1 inches.
Average Monthly Rainfall in August
Over the course of August in Mahina, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 25 minutes, implying an average daily increase of 50 seconds, and weekly increase of 5 minutes, 47 seconds.
The shortest day of the month is August 1, with 11 hours, 21 minutes of daylight and the longest day is August 31, with 11 hours, 45 minutes of daylight.
Hours of Daylight and Twilight in August
The latest sunrise of the month in Mahina is 6:24 AM on August 1 and the earliest sunrise is 18 minutes earlier at 6:05 AM on August 31.
The earliest sunset is 5:44 PM on August 1 and the latest sunset is 6 minutes later at 5:50 PM on August 31.
Daylight saving time is not observed in Mahina during 2019.
For reference, on December 22, the longest day of the year, the Sun rises at 5:21 AM and sets 13 hours, 11 minutes later, at 6:31 PM, while on June 21, the shortest day of the year, it rises at 6:27 AM and sets 11 hours, 5 minutes later, at 5:32 PM.
Sunrise & Sunset with Twilight in August
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 Mahina is increasing during August, rising from 79% to 84% over the course of the month.
The lowest chance of a muggy day during August is 79% on August 4.
For reference, on March 23, the muggiest day of the year, there are muggy conditions 100% of the time, while on August 3, the least muggy day of the year, there are muggy conditions 79% of the time.
Humidity Comfort Levels in August
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
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 Mahina is gradually decreasing during August, decreasing from 12.7 miles per hour to 12.1 miles per hour over the course of the month.
For reference, on July 30, the windiest day of the year, the daily average wind speed is 12.8 miles per hour, while on April 5, the calmest day of the year, the daily average wind speed is 10.3 miles per hour.
The lowest daily average wind speed during August is 12.0 miles per hour on August 26.
Average Wind Speed in August
The hourly average wind direction in Mahina throughout August is predominantly from the east, with a peak proportion of 66% on August 1.
Wind Direction in August
Mahina 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 Mahina is essentially constant during August, remaining around 79°F throughout.
The lowest average surface water temperature during August is 79°F on August 23.
Average Water Temperature in August
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 Mahina 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 August
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
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 Mahina are rapidly increasing during August, increasing by 810°F, from 839°F to 1,649°F, over the course of the month.
Growing Degree Days in August
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 Mahina is gradually increasing during August, rising by 0.9 kWh, from 5.0 kWh to 5.8 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in August
For the purposes of this report, the geographical coordinates of Mahina are -17.506 deg latitude, -149.489 deg longitude, and 0 ft elevation.
The topography within 2 miles of Mahina contains very significant variations in elevation, with a maximum elevation change of 1,522 feet and an average elevation above sea level of 209 feet. Within 10 miles contains very significant variations in elevation (7,336 feet). Within 50 miles also contains extreme variations in elevation (7,228 feet).
The area within 2 miles of Mahina is covered by water (100%), within 10 miles by water (100%), and within 50 miles by water (100%).
This report illustrates the typical weather in Mahina year round, 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, Fa'a'ā International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Mahina.
At a distance of 14 kilometers from Mahina, 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 Mahina 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.
All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , 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.
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.