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Average Weather in July in Nukunonu Tokelau

Daily high temperatures are around 83°F, rarely falling below 81°F or exceeding 84°F.

Daily low temperatures are around 82°F, rarely falling below 80°F or exceeding 83°F.

For reference, on May 19, the hottest day of the year, temperatures in Nukunonu typically range from 82°F to 83°F, while on August 11, the coldest day of the year, they range from 81°F to 83°F.

Average High and Low Temperature in July

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 July. 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 July

Average Hourly Temperature in July in Nukunonu18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJunAugNowNowwarm
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.

San Andrés, Colombia (6,373 miles away) is the far-away foreign place with temperatures most similar to Nukunonu (view comparison).

Clouds

The month of July in Nukunonu experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 56% throughout the month.

The clearest day of the month is July 26, with clear, mostly clear, or partly cloudy conditions 46% of the time.

For reference, on December 30, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 85%, while on September 1, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 53%.

Cloud Cover Categories in July

Cloud Cover Categories in July in Nukunonu1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JunAugJul 143%Jul 143%Jul 3145%Jul 3145%Jul 1145%Jul 1145%Jul 2145%Jul 2145%NowNowclearmostly 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.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Nukunonu, the chance of a wet day over the course of July is gradually increasing, starting the month at 37% and ending it at 40%.

For reference, the year's highest daily chance of a wet day is 62% on January 4, and its lowest chance is 34% on September 4.

Probability of Precipitation in July

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 July in Nukunonu is increasing, starting the month at 3.9 inches, when it rarely exceeds 7.6 inches or falls below 0.6 inches, and ending the month at 4.4 inches, when it rarely exceeds 9.3 inches or falls below 0.5 inches.

Average Monthly Rainfall in July

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

Over the course of July in Nukunonu, the length of the day is essentially constant. The shortest day of the month is July 1, with 11 hours, 36 minutes of daylight and the longest day is July 31, with 11 hours, 43 minutes of daylight.

Hours of Daylight and Twilight in July

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 month in Nukunonu is 6:44 AM on July 13 and the earliest sunrise is 2 minutes, 3 seconds earlier at 6:42 AM on July 31.

The earliest sunset is 6:19 PM on July 1 and the latest sunset is 6 minutes later at 6:25 PM on July 31.

Daylight saving time is not observed in Nukunonu during 2021.

For reference, on December 21, the longest day of the year, the Sun rises at 6:05 AM and sets 12 hours, 40 minutes later, at 6:45 PM, while on June 21, the shortest day of the year, it rises at 6:41 AM and sets 11 hours, 35 minutes later, at 6:16 PM.

Sunrise & Sunset with Twilight in July

The solar day over the course of July. 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.

Moon

The figure below presents a compact representation of key lunar data for July 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 July

Moon in Nukunonu18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJunAugJun 1011:53 PMJun 1011:53 PMJun 257:40 AMJun 257:40 AMJul 102:17 PMJul 102:17 PMJul 243:38 PMJul 243:38 PMAug 92:51 AMAug 92:51 AMAug 231:03 AMAug 231:03 AM6:07 AM6:07 AM5:58 PM5:58 PM5:36 PM5:36 PM6:45 AM6:45 AM6:36 AM6:36 AM6:25 PM6:25 PM6:28 PM6:28 PM7:30 AM7:30 AM7:00 AM7:00 AM6:59 PM6:59 PM6:11 PM6:11 PM6:59 AM6:59 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.

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.

The chance that a given day will be muggy in Nukunonu is essentially constant during July, remaining around 100% throughout.

Humidity Comfort Levels in July

Humidity Comfort Levels in July in Nukunonu1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JunAugJul 1100%Jul 1100%Jul 31100%Jul 31100%Jul 11100%Jul 11100%Jul 21100%Jul 21100%NowNowmiserablemiserableoppressiveoppressive
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 Nukunonu is essentially constant during July, remaining within 0.3 miles per hour of 14.2 miles per hour throughout.

For reference, on July 28, the windiest day of the year, the daily average wind speed is 14.4 miles per hour, while on April 23, the calmest day of the year, the daily average wind speed is 9.6 miles per hour.

The highest daily average wind speed during July is 14.4 miles per hour on July 29.

Average Wind Speed in July

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 Nukunonu throughout July is predominantly from the east, with a peak proportion of 93% on July 30.

Wind Direction in July

Wind Direction in July in Nukunonu1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%JunAugNowNoweast
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).

Water Temperature

Nukunonu 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 Nukunonu is essentially constant during July, remaining around 84°F throughout.

Average Water Temperature in July

Average Water Temperature in July in Nukunonu18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313181.5°F81.5°F82.0°F82.0°F82.5°F82.5°F83.0°F83.0°F83.5°F83.5°F84.0°F84.0°F84.5°F84.5°F85.0°F85.0°F85.5°F85.5°F86.0°F86.0°F86.5°F86.5°FJunAugJul 184°FJul 184°FJul 3183°FJul 3183°FJul 1184°FJul 1184°FJul 2184°FJul 2184°FNowNow
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

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).

Temperatures in Nukunonu 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 July

Time Spent in Various Temperature Bands and the Growing Season in July in Nukunonu1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JunAug100%Jul 16100%Jul 16100%Jul 3100%Jul 3NowNowwarm
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 Nukunonu are very rapidly increasing during July, increasing by 965°F, from 1°F to 966°F, over the course of the month.

Growing Degree Days in July

Growing Degree Days in July in Nukunonu181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131100°F100°F200°F200°F300°F300°F400°F400°F500°F500°F600°F600°F700°F700°F800°F800°F900°F900°FJunAugJul 11°FJul 11°FJul 31966°FJul 31966°FJul 11323°FJul 11323°FJul 21645°FJul 21645°F
The average growing degree days accumulated over the course of July, 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 in Nukunonu is essentially constant during July, remaining within 0.2 kWh of 5.0 kWh throughout.

Average Daily Incident Shortwave Solar Energy in July

Average Daily Incident Shortwave Solar Energy in July in Nukunonu1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWhJunAugJul 14.7 kWhJul 14.7 kWhJul 315.2 kWhJul 315.2 kWhJul 114.9 kWhJul 114.9 kWhJul 215.0 kWhJul 215.0 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 Nukunonu are -9.200 deg latitude, -171.848 deg longitude, and 33 ft elevation.

The topography within 2 miles of Nukunonu is essentially flat, with a maximum elevation change of 66 feet and an average elevation above sea level of 1 feet. Within 10 miles is also essentially flat (66 feet). Within 50 miles is also essentially flat (69 feet).

The area within 2 miles of Nukunonu is covered by water (100%), within 10 miles by water (100%), and within 50 miles by water (100%).

Data Sources

This report illustrates the typical weather in Nukunonu, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Nukunonu is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . 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.

The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of Nukunonu, according to the International Standard Atmosphere .

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.

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.