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Spring Weather in Núi Đối Vietnam

Daily high temperatures increase by 18°F, from 69°F to 87°F, rarely falling below 62°F or exceeding 93°F.

Daily low temperatures increase by 17°F, from 62°F to 78°F, rarely falling below 55°F or exceeding 83°F.

For reference, on June 27, the hottest day of the year, temperatures in Núi Đối typically range from 81°F to 89°F, while on January 27, the coldest day of the year, they range from 59°F to 67°F.

Average High and Low Temperature in the Spring in Núi Đối

Average High and Low Temperature in the Spring in Núi ĐốiMarAprMay50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°F100°F100°F105°F105°F110°F110°FWinterSummerMar 169°FMar 169°F62°F62°FMay 3187°FMay 3187°F78°F78°FApr 174°FApr 174°F66°F66°FMay 181°FMay 181°F73°F73°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 spring 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 Spring in Núi Đối

Average Hourly Temperature in the Spring in Núi ĐốiMarAprMay12 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 AMWinterSummercoolcomfortablewarmhot
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.

South Padre Island, Texas, United States (8,836 miles away) and Redington Shores, Florida, United States (9,031 miles) are the far-away foreign places with temperatures most similar to Núi Đối (view comparison).

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© Esri, et al.

Compare Núi Đối to another city:

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The spring in Núi Đối experiences very rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 30% to 90%.

The clearest day of the spring is March 1, with clear, mostly clear, or partly cloudy conditions 70% of the time.

For reference, on June 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 93%, while on February 25, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 70%.

Cloud Cover Categories in the Spring in Núi Đối

Cloud Cover Categories in the Spring in Núi ĐốiMarAprMay0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%WinterSummerMar 170%Mar 170%May 3110%May 3110%Apr 158%Apr 158%May 140%May 140%clearmostly clearpartly cloudyovercastmostly 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.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Núi Đối, the chance of a wet day over the course of the spring is very rapidly increasing, starting the season at 9% and ending it at 49%.

For reference, the year's highest daily chance of a wet day is 61% on August 26, and its lowest chance is 6% on January 21.

Probability of Precipitation in the Spring in Núi Đối

Probability of Precipitation in the Spring in Núi ĐốiMarAprMay0%0%5%5%10%10%15%15%20%20%25%25%30%30%35%35%40%40%45%45%50%50%55%55%WinterSummerMar 19%Mar 19%May 3149%May 3149%Apr 118%Apr 118%May 129%May 129%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 spring in Núi Đối is very rapidly increasing, starting the season at 0.6 inches, when it rarely exceeds 1.7 inches, and ending the season at 5.9 inches, when it rarely exceeds 10.5 inches or falls below 1.6 inches.

Average Monthly Rainfall in the Spring in Núi Đối

Average Monthly Rainfall in the Spring in Núi ĐốiMarAprMay0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 in12 in12 inWinterSummerMar 10.6 inMar 10.6 inMay 315.9 inMay 315.9 inApr 11.3 inApr 11.3 inMay 13.1 inMay 13.1 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 spring in Núi Đối, the length of the day is rapidly increasing. From the start to the end of the season, the length of the day increases by 1 hour, 34 minutes, implying an average daily increase of 1 minute, 2 seconds, and weekly increase of 7 minutes, 13 seconds.

The shortest day of the spring is March 1, with 11 hours, 44 minutes of daylight and the longest day is May 31, with 13 hours, 18 minutes of daylight.

Hours of Daylight and Twilight in the Spring in Núi Đối

Hours of Daylight and Twilight in the Spring in Núi ĐốiMarAprMay0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrWinterSummerMar 2012 hr, 7 minMar 2012 hr, 7 minnightnightdaydayMay 3113 hr, 18 minMay 3113 hr, 18 minMay 112 hr, 54 minMay 112 hr, 54 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 spring in Núi Đối is 6:13 AM on March 1 and the earliest sunrise is 1 hour, 2 minutes earlier at 5:12 AM on May 31.

The earliest sunset is 5:57 PM on March 1 and the latest sunset is 32 minutes later at 6:30 PM on May 31.

Daylight saving time is not observed in Núi Đối during 2021.

For reference, on June 21, the longest day of the year, the Sun rises at 5:13 AM and sets 13 hours, 24 minutes later, at 6:36 PM, while on December 21, the shortest day of the year, it rises at 6:25 AM and sets 10 hours, 52 minutes later, at 5:17 PM.

Sunrise & Sunset with Twilight in the Spring in Núi Đối

Sunrise & Sunset with Twilight in the Spring in Núi ĐốiMarAprMay12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMWinterSummer5:12 AM5:12 AMMay 316:30 PMMay 316:30 PM6:13 AM6:13 AMMar 15:57 PMMar 15:57 PM5:46 AM5:46 AMApr 16:07 PMApr 16:07 PM5:23 AM5:23 AMMay 16:17 PMMay 16:17 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day in the spring. 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 key lunar data for the spring of 2021. 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 Spring in Núi Đối

Moon Rise, Set & Phases in the Spring in Núi ĐốiMarAprMay12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMWinterSummerFeb 122:06 AMFeb 122:06 AMFeb 273:18 PMFeb 273:18 PMMar 135:22 PMMar 135:22 PMMar 291:49 AMMar 291:49 AMApr 129:31 AMApr 129:31 AMApr 2710:32 AMApr 2710:32 AMMay 122:01 AMMay 122:01 AMMay 266:15 PMMay 266:15 PMJun 105:53 PMJun 105:53 PMJun 251:40 AMJun 251:40 AM6:50 AM6:50 AM6:22 PM6:22 PM6:00 PM6:00 PM7:00 AM7:00 AM6:00 PM6:00 PM5:44 PM5:44 PM6:14 AM6:14 AM5:47 AM5:47 AM5:27 PM5:27 PM5:28 AM5:28 AM5:31 AM5:31 AM6:52 PM6:52 PM6:24 PM6:24 PM5:43 AM5:43 AM4:50 AM4:50 AM6:17 PM6:17 PM5:24 AM5:24 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 Núi Đối is very rapidly increasing during the spring, rising from 43% to 99% over the course of the season.

For reference, on July 25, the muggiest day of the year, there are muggy conditions 100% of the time, while on January 26, the least muggy day of the year, there are muggy conditions 20% of the time.

Humidity Comfort Levels in the Spring in Núi Đối

Humidity Comfort Levels in the Spring in Núi ĐốiMarAprMay0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%WinterSummerMar 143%Mar 143%May 3199%May 3199%Apr 172%Apr 172%May 195%May 195%miserablemiserableoppressiveoppressivemuggymuggyhumidhumiddrydrycomfortablecomfortable
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 Núi Đối is decreasing during the spring, decreasing from 9.6 miles per hour to 8.5 miles per hour over the course of the season.

For reference, on January 18, the windiest day of the year, the daily average wind speed is 9.9 miles per hour, while on August 20, the calmest day of the year, the daily average wind speed is 7.2 miles per hour.

The lowest daily average wind speed during the spring is 8.5 miles per hour on May 26.

Average Wind Speed in the Spring in Núi Đối

Average Wind Speed in the Spring in Núi ĐốiMarAprMay0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mphWinterSummerMay 268.5 mphMay 268.5 mphMar 19.6 mphMar 19.6 mphApr 19.1 mphApr 19.1 mphMay 18.9 mphMay 18.9 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 Núi Đối during the spring is predominantly out of the east from March 1 to April 7 and the south from April 7 to May 31.

Wind Direction in the Spring in Núi Đối

Wind Direction in the Spring in Núi ĐốiESMarAprMay0%100%20%80%40%60%60%40%80%20%100%0%WinterSummersoutheastnorthwest
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).

Núi Đối 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 Núi Đối is very rapidly increasing during the spring, rising by 15°F, from 68°F to 83°F, over the course of the season.

Average Water Temperature in the Spring in Núi Đối

Average Water Temperature in the Spring in Núi ĐốiMarAprMay65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°FWinterSummerMar 168°FMar 168°FMay 3183°FMay 3183°FApr 171°FApr 171°FMay 177°FMay 177°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 Núi Đối 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 Spring in Núi Đối

Time Spent in Various Temperature Bands and the Growing Season in the Spring in Núi ĐốiMarAprMay0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%WinterSummer100%Apr 16100%Apr 16coolcomfortablewarmhotcold
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 Núi Đối are very rapidly increasing during the spring, increasing by 2,154°F, from 836°F to 2,990°F, over the course of the season.

Growing Degree Days in the Spring in Núi Đối

Growing Degree Days in the Spring in Núi ĐốiMarAprMay1,000°F1,000°F1,500°F1,500°F2,000°F2,000°F2,500°F2,500°F3,000°F3,000°FWinterSummerMar 1836°FMar 1836°FMay 312,990°FMay 312,990°FApr 11,383°FApr 11,383°FMay 12,093°FMay 12,093°F
The average growing degree days accumulated over the course of the spring, 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 Núi Đối is essentially constant during the spring, remaining within 0.5 kWh of 5.1 kWh throughout.

The highest average daily incident shortwave solar energy during the spring is 5.6 kWh on April 24.

Average Daily Incident Shortwave Solar Energy in the Spring in Núi Đối

Average Daily Incident Shortwave Solar Energy in the Spring in Núi ĐốiMarAprMay0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWhWinterSummerApr 245.6 kWhApr 245.6 kWhMar 14.9 kWhMar 14.9 kWhMay 314.5 kWhMay 314.5 kWhApr 15.4 kWhApr 15.4 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 Núi Đối are 20.751 deg latitude, 106.669 deg longitude, and 16 ft elevation.

The topography within 2 miles of Núi Đối contains only modest variations in elevation, with a maximum elevation change of 171 feet and an average elevation above sea level of 11 feet. Within 10 miles also contains only modest variations in elevation (482 feet). Within 50 miles contains only modest variations in elevation (3,789 feet).

The area within 2 miles of Núi Đối is covered by cropland (85%), within 10 miles by cropland (48%) and water (32%), and within 50 miles by water (44%) and cropland (29%).

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

At a distance of 104 kilometers from Núi Đối, 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 Núi Đối 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 © 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.

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