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April Weather in Nanortalik Greenland

Daily high temperatures increase by 5°F, from 32°F to 37°F, rarely falling below 23°F or exceeding 45°F.

Daily low temperatures increase by 5°F, from 25°F to 30°F, rarely falling below 16°F or exceeding 36°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 April in Nanortalik

Average High and Low Temperature in April in NanortalikApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930305°F5°F10°F10°F15°F15°F20°F20°F25°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°FMarMayApr 132°FApr 132°F25°F25°FApr 3037°FApr 3037°F30°F30°FApr 1134°FApr 1134°F27°F27°FApr 2135°FApr 2135°F28°F28°FNowNow
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 April. 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 April in Nanortalik

Average Hourly Temperature in April in NanortalikApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMMarMayNowNowfreezingvery 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 April in Nanortalik experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 60% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 59% on April 26.

The clearest day of the month is April 26, with clear, mostly clear, or partly cloudy conditions 41% 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 April in Nanortalik

Cloud Cover Categories in April in NanortalikApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MarMayFeb 325%Feb 325%Apr 138%Apr 138%Apr 3041%Apr 3041%Apr 1140%Apr 1140%Apr 2141%Apr 2141%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.

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 April is essentially constant, remaining around 29% 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.

Over the course of April in Nanortalik, the chance of a day with only rain increases from 10% to 17%, the chance of a day with mixed snow and rain decreases from 9% to 7%, and the chance of a day with only snow decreases from 9% to 4%.

Probability of Precipitation in April 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 April in Nanortalik is gradually increasing, starting the month at 1.7 inches, when it rarely exceeds 3.3 inches or falls below 0.3 inches, and ending the month at 2.1 inches, when it rarely exceeds 4.1 inches or falls below 0.6 inches.

Average Monthly Rainfall in April 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.

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day snowfall during April in Nanortalik is rapidly decreasing, starting the month at 8.9 inches, when it rarely exceeds 17.4 inches or falls below 1.7 inches, and ending the month at 4.6 inches, when it rarely exceeds 10.5 inches or falls below 0.1 inches.

Average Monthly Snowfall in April in Nanortalik

The average snowfall (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 rainfall.

Over the course of April in Nanortalik, the length of the day is very rapidly increasing. From the start to the end of the month, the length of the day increases by 2 hours, 37 minutes, implying an average daily increase of 5 minutes, 25 seconds, and weekly increase of 37 minutes, 56 seconds.

The shortest day of the month is April 1, with 13 hours, 22 minutes of daylight and the longest day is April 30, with 15 hours, 59 minutes of daylight.

Hours of Daylight and Twilight in April 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 latest sunrise of the month in Nanortalik is 7:24 AM on April 1 and the earliest sunrise is 1 hour, 25 minutes earlier at 5:59 AM on April 30.

The earliest sunset is 8:46 PM on April 1 and the latest sunset is 1 hour, 12 minutes later at 9:58 PM on April 30.

Daylight saving time is observed in Nanortalik during 2024, but it neither starts nor ends during April, 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 and Daylight Saving Time in April in Nanortalik

Sunrise & Sunset with Twilight and Daylight Saving Time in April in NanortalikApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM2 AMMarMay5:59 AM5:59 AMApr 309:58 PMApr 309:58 PM7:24 AM7:24 AMApr 18:46 PMApr 18:46 PM6:54 AM6:54 AMApr 119:11 PMApr 119:11 PMSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day over the course of April. 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 April in Nanortalik

Solar Elevation and Azimuth in April in NanortalikApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMMarMay01010202020304050000102020303040NowNow
northeastsouthwest
Solar elevation and azimuth over the course of April 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 April 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 April in Nanortalik

Moon Rise, Set & Phases in April in NanortalikApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMMarMayMar 107:01 AMMar 107:01 AMMar 255:01 AMMar 255:01 AMApr 85:22 PMApr 85:22 PMApr 2310:50 PMApr 2310:50 PMMay 82:23 AMMay 82:23 AMMay 2312:54 PMMay 2312:54 PM7:56 AM7:56 AM7:25 PM7:25 PM6:43 PM6:43 PM7:00 AM7:00 AM7:06 AM7:06 AM9:14 PM9:14 PM9:40 PM9:40 PM6:09 AM6:09 AM5:17 AM5:17 AM12:07 AM12:07 AM10:27 PM10:27 PM4:22 AM4:22 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.
Apr 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
59%6:14 AMSSE8:47 AMSSW-7:31 AMS238,116 mi
2
50%6:53 AMSSE10:12 AMSSW-8:32 AMS234,767 mi
3
36%7:05 AMSSE12:03 PMSSW-9:34 AMS231,384 mi
4
25%7:08 AMSE1:58 PMSW-10:32 AMS228,223 mi
5
15%7:09 AMESE3:50 PMWSW-11:28 AMS225,582 mi
6
7%7:08 AMESE5:39 PMWSW-12:21 PMS223,758 mi
7
2%7:07 AME7:26 PMW-1:12 PMS222,993 mi
8
0%7:06 AME9:14 PMWNW-2:02 PMS223,425 mi
9
1%7:05 AMENE11:05 PMWNW-2:53 PMS225,053 mi
10
5%7:05 AMNE--3:46 PMS227,729 mi
11
12%-12:59 AMNW7:06 AMNE4:41 PMS231,188 mi
12
21%-2:54 AMNNW7:12 AMNNE5:38 PMS235,090 mi
13
30%-4:38 AMNNW7:31 AMNNE6:35 PMS239,077 mi
14
41%-5:44 AMNNW8:25 AMNNE7:30 PMS242,828 mi
15
50%-6:08 AMNNW9:56 AMNNE8:23 PMS246,090 mi
16
61%-6:15 AMNNW11:35 AMNE9:11 PMS248,694 mi
17
70%-6:17 AMNW1:10 PMNE9:55 PMS250,555 mi
18
79%-6:17 AMNW2:39 PMENE10:36 PMS251,656 mi
19
86%-6:16 AMWNW4:04 PMENE11:16 PMS252,041 mi
20
92%-6:15 AMWNW5:27 PME11:54 PMS251,786 mi
21
95%-6:13 AMW6:49 PME--
22
97%-6:11 AMW8:12 PMESE12:33 AMS250,993 mi
23
100%-6:10 AMWSW9:40 PMESE1:13 AMS249,766 mi
24
100%-6:09 AMSW11:12 PMSE1:55 AMS248,203 mi
25
99%-6:09 AMSW-2:41 AMS246,381 mi
26
95%12:51 AMSE6:11 AMSSW-3:31 AMS244,356 mi
27
90%2:33 AMSSE6:19 AMSSW-4:26 AMS242,164 mi
28
82%4:04 AMSSE6:46 AMSSW-5:25 AMS239,829 mi
29
73%4:56 AMSSE7:55 AMSSW-6:26 AMS237,378 mi
30
63%5:14 AMSSE9:39 AMSSW-7:26 AMS234,860 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 April, remaining around 0% throughout.

Humidity Comfort Levels in April in Nanortalik

Humidity Comfort Levels in April in NanortalikApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%MarMayApr 160%Apr 160%Apr 10%Apr 10%Apr 300%Apr 300%NowNowdrydry
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 rapidly decreasing during April, decreasing from 17.3 miles per hour to 14.1 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.

Average Wind Speed in April in Nanortalik

Average Wind Speed in April in NanortalikApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mph20 mph20 mph25 mph25 mph30 mph30 mph35 mph35 mphMarMayApr 117.3 mphApr 117.3 mphApr 3014.1 mphApr 3014.1 mphApr 1615.5 mphApr 1615.5 mphNowNow
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 Nanortalik throughout April is predominantly from the west, with a peak proportion of 45% on April 2.

Wind Direction in April in Nanortalik

Wind Direction in April in NanortalikWEApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%20%80%40%60%60%40%80%20%100%0%MarMayNowNowwesteastnorthsouth
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 essentially constant during April, remaining around 32°F throughout.

Average Water Temperature in April in Nanortalik

Average Water Temperature in April in NanortalikApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303029°F29°F30°F30°F31°F31°F32°F32°F33°F33°F34°F34°F35°F35°F36°F36°FMarMayApr 132°FApr 132°FApr 3032°FApr 3032°FApr 1132°FApr 1132°FApr 2132°FApr 2132°FNowNow
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.

The month of April in Nanortalik is reliably fully outside of the growing season.

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

Time Spent in Various Temperature Bands and the Growing Season in April in NanortalikApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MarMay0%Apr 160%Apr 16NowNowfrigidfreezingvery 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 April, remaining around 0°F throughout.

Growing Degree Days in April in Nanortalik

Growing Degree Days in April in NanortalikApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300.0°F0.0°F0.1°F0.1°F0.2°F0.2°F0.3°F0.3°F0.4°F0.4°F0.5°F0.5°F0.6°F0.6°F0.7°F0.7°F0.8°F0.8°F0.9°F0.9°F1.0°F1.0°FMarMayApr 10°FApr 10°FApr 300°FApr 300°FApr 110°FApr 110°FApr 210°FApr 210°FNowNow
The average growing degree days accumulated over the course of April, 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 rapidly increasing during April, rising by 1.5 kWh, from 3.1 kWh to 4.6 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in April in Nanortalik

Average Daily Incident Shortwave Solar Energy in April in NanortalikApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhMarMayApr 13.1 kWhApr 13.1 kWhApr 304.6 kWhApr 304.6 kWhApr 113.7 kWhApr 113.7 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.

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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