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July Weather in Nanortalik Greenland

Daily high temperatures increase by 2°F, from 44°F to 47°F, rarely falling below 39°F or exceeding 53°F. The highest daily average high temperature is 47°F on July 30.

Daily low temperatures increase by 2°F, from 36°F to 38°F, rarely falling below 31°F or exceeding 43°F.

For reference, on July 30, the hottest day of the year, temperatures in Nanortalik typically range from 38°F to 47°F, while on February 27, the coldest day of the year, they range from 21°F to 28°F.

Average High and Low Temperature in July in Nanortalik

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 in Nanortalik

Average Hourly Temperature in July in NanortalikJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMJunAugvery 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 average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

King Cove, Alaska, United States (3,768 miles away) and Diamond Ridge, Alaska, United States (3,273 miles) are the far-away foreign places with temperatures most similar to Nanortalik (view comparison).

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The month of July in Nanortalik experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 66% throughout the month. The highest chance of overcast or mostly cloudy conditions is 67% on July 26.

The clearest day of the month is July 3, with clear, mostly clear, or partly cloudy conditions 35% of the time.

For reference, on February 3, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 75%, while on October 12, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 48%.

Cloud Cover Categories in July in Nanortalik

Cloud Cover Categories in July in NanortalikJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JunAugOct 1248%Oct 1248%Jul 134%Jul 134%Jul 3134%Jul 3134%Jul 1134%Jul 1134%Jul 2133%Jul 2133%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 Nanortalik, the chance of a wet day over the course of July is essentially constant, remaining around 31% throughout.

For reference, the year's highest daily chance of a wet day is 38% on September 9, and its lowest chance is 27% on March 20.

Probability of Precipitation in July in Nanortalik

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 Nanortalik is gradually increasing, starting the month at 3.1 inches, when it rarely exceeds 5.2 inches or falls below 1.2 inches, and ending the month at 3.5 inches, when it rarely exceeds 6.1 inches or falls below 1.3 inches.

Average Monthly Rainfall in July in Nanortalik

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 July in Nanortalik, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 51 minutes, implying an average daily decrease of 3 minutes, 42 seconds, and weekly decrease of 25 minutes, 57 seconds.

The shortest day of the month is July 31, with 16 hours, 54 minutes of daylight and the longest day is July 1, with 18 hours, 45 minutes of daylight.

Hours of Daylight and Twilight in July in Nanortalik

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 Nanortalik is 4:42 AM on July 1 and the latest sunrise is 57 minutes later at 5:39 AM on July 31.

The latest sunset is 11:27 PM on July 1 and the earliest sunset is 54 minutes earlier at 10:33 PM on July 31.

Daylight saving time is observed in Nanortalik during 2024, but it neither starts nor ends during July, so the entire month is in standard time.

For reference, on June 20, the longest day of the year, the Sun rises at 4:34 AM and sets 18 hours, 55 minutes later, at 11:30 PM, while on December 21, the shortest day of the year, it rises at 10:04 AM and sets 5 hours, 49 minutes later, at 3:54 PM.

Sunrise & Sunset with Twilight in July in Nanortalik

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.

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 July in Nanortalik

Solar Elevation and Azimuth in July in NanortalikJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMJunAug00101020202030304040505000010102020303030404050
northeastsouthwest
Solar elevation and azimuth over the course of July 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 July 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 July in Nanortalik

Moon Rise, Set & Phases in July in NanortalikJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJunAugJun 611:38 AMJun 611:38 AMJun 2212:09 AMJun 2212:09 AMJul 59:58 PMJul 59:58 PMJul 219:18 AMJul 219:18 AMAug 410:14 AMAug 410:14 AMAug 195:26 PMAug 195:26 PM3:38 AM3:38 AM2:43 AM2:43 AM11:45 PM11:45 PM4:12 AM4:12 AM5:03 AM5:03 AM11:00 PM11:00 PM10:05 PM10:05 PM7:12 AM7:12 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.
Jul 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
23%1:39 AMNE7:00 PMNW-10:06 AMS232,051 mi
2
14%1:40 AMNE8:51 PMNNW-10:58 AMS233,500 mi
3
7%1:45 AMNNE10:37 PMNNW-11:54 AMS235,272 mi
4
2%2:00 AMNNE11:57 PMNNW-12:51 PMS237,352 mi
5
0%2:43 AMNNE--1:48 PMS239,682 mi
6
1%-12:33 AMNNW4:08 AMNNE2:43 PMS242,160 mi
7
3%-12:44 AMNNW5:49 AMNE3:34 PMS244,641 mi
8
8%-12:48 AMNW7:28 AMNE4:21 PMS246,954 mi
9
14%-12:49 AMNW9:01 AMENE5:04 PMS248,920 mi
10
22%-12:48 AMWNW10:28 AMENE5:44 PMS250,368 mi
11
30%-12:47 AMWNW11:52 AME6:23 PMS251,152 mi
12
40%-12:46 AMW1:13 PME7:02 PMS251,167 mi
13
50%-12:44 AMW2:35 PMESE7:41 PMS250,359 mi
14
59%-12:43 AMWSW4:01 PMESE8:22 PMS248,738 mi
15
69%-12:42 AMWSW5:31 PMSE9:07 PMS246,380 mi
16
78%-12:42 AMSW7:09 PMSE9:56 PMS243,430 mi
17
86%-12:44 AMSW8:51 PMSSE10:51 PMS240,098 mi
18
93%-12:52 AMSSW10:26 PMSSE11:51 PMS236,648 mi
19
95%-1:17 AMSSW11:24 PMSSE--
20
98%-2:25 AMSSW11:45 PMSSE12:55 AMS233,372 mi
21
100%-4:12 AMSSW11:51 PMSE1:58 AMS230,560 mi
22
99%-6:08 AMSW11:53 PMSE2:59 AMS228,443 mi
23
96%-8:01 AMWSW11:53 PMESE3:56 AMS227,161 mi
24
89%-9:49 AMWSW11:52 PME4:49 AMS226,747 mi
25
81%-11:32 AMW11:51 PME5:38 AMS227,136 mi
26
70%-1:14 PMWNW11:50 PMENE6:26 AMS228,195 mi
27
59%-2:57 PMWNW11:49 PMENE7:14 AMS229,761 mi
28
50%-4:42 PMNW11:50 PMNE8:03 AMS231,669 mi
29
36%-6:31 PMNW11:53 PMNNE8:54 AMS233,781 mi
30
25%-8:20 PMNNW-9:48 AMS235,998 mi
31
16%12:03 AMNNE9:51 PMNNW-10:44 AMS238,254 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 Nanortalik is essentially constant during July, remaining around 0% throughout.

Humidity Comfort Levels in July in Nanortalik

Humidity Comfort Levels in July in NanortalikJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JunAugJul 10%Jul 10%Jul 310%Jul 310%Jul 110%Jul 110%Jul 210%Jul 210%drydry
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 Nanortalik is gradually decreasing during July, decreasing from 10.2 miles per hour to 9.7 miles per hour over the course of the month.

For reference, on January 13, the windiest day of the year, the daily average wind speed is 21.2 miles per hour, while on July 25, the calmest day of the year, the daily average wind speed is 9.4 miles per hour.

The lowest daily average wind speed during July is 9.4 miles per hour on July 25.

Average Wind Speed in July in Nanortalik

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The wind direction in Nanortalik during July is predominantly out of the east from July 1 to July 12 and the west from July 12 to July 31.

Wind Direction in July in Nanortalik

Wind Direction in July in NanortalikEWJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%JunAugwesteastnorthsouth
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).

Nanortalik 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 Nanortalik is gradually increasing during July, rising by 2°F, from 37°F to 39°F, over the course of the month.

Average Water Temperature in July in Nanortalik

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 Nanortalik typically lasts for 2.2 months (68 days), from around July 16 to around September 22, rarely starting before June 14, or ending after October 18.

During July in Nanortalik, the chance that a given day is within the growing season is rapidly increasing rising from 26% to 70% over the course of the month.

Time Spent in Various Temperature Bands and the Growing Season in July in Nanortalik

Time Spent in Various Temperature Bands and the Growing Season in July in Nanortalikgrowing seasonJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JunAugJul 126%Jul 126%70%Jul 3170%Jul 31Jul 1141%Jul 1141%58%Jul 2158%Jul 21Jun 1410%Jun 1410%Aug 2077%Aug 2077%freezingvery coldcold
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 Nanortalik are essentially constant during July, remaining within 2°F of 5°F throughout.

Growing Degree Days in July in Nanortalik

The average growing degree days accumulated over the course of July, 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 Nanortalik is gradually decreasing during July, falling by 0.9 kWh, from 5.4 kWh to 4.4 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in July in Nanortalik

Average Daily Incident Shortwave Solar Energy in July in NanortalikJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhJunAugJul 15.4 kWhJul 15.4 kWhJul 314.4 kWhJul 314.4 kWhJul 115.1 kWhJul 115.1 kWhJul 214.8 kWhJul 214.8 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 Nanortalik are 60.143 deg latitude, -45.237 deg longitude, and 13 ft elevation.

The topography within 2 miles of Nanortalik contains very significant variations in elevation, with a maximum elevation change of 1,634 feet and an average elevation above sea level of 155 feet. Within 10 miles contains very significant variations in elevation (3,822 feet). Within 50 miles also contains extreme variations in elevation (7,507 feet).

The area within 2 miles of Nanortalik is covered by sparse vegetation (42%), water (35%), and trees (14%), within 10 miles by water (56%) and sparse vegetation (27%), and within 50 miles by water (61%) and snow and glaciers (16%).

This report illustrates the typical weather in Nanortalik, 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 are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Nanortalik.

For each station, the records are corrected for the elevation difference between that station and Nanortalik according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Nanortalik is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Nanortalik and a given station.

The stations contributing to this reconstruction are:

  • Angisoq (BGAS, 90%, 11 mi, south, 39 ft elevation change)
  • Julianehaab (BGJH, 10%, 48 mi, northwest, 98 ft elevation change)

To get a sense of how much these sources agree with each other, you can view a comparison of Nanortalik and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

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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