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April Weather at Gibraltar International Airport Gibraltar

Daily high temperatures increase by 3°F, from 66°F to 69°F, rarely falling below 61°F or exceeding 74°F.

Daily low temperatures increase by 2°F, from 56°F to 59°F, rarely falling below 52°F or exceeding 62°F.

For reference, on August 4, the hottest day of the year, temperatures at Gibraltar International Airport typically range from 70°F to 82°F, while on January 21, the coldest day of the year, they range from 52°F to 61°F.

Average High and Low Temperature in April at Gibraltar International Airport

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 at Gibraltar International Airport

Average Hourly Temperature in April at Gibraltar International AirportApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMMarMaycoolcomfortablecoldcomfortable
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.

Rio Grande, Rio Grande do Sul, Brazil (5,604 miles away) is the far-away foreign place with temperatures most similar to Gibraltar International Airport (view comparison).

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The month of April at Gibraltar International Airport experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 35% throughout the month.

The clearest day of the month is April 28, with clear, mostly clear, or partly cloudy conditions 65% of the time.

For reference, on October 29, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 46%, while on July 17, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 94%.

Cloud Cover Categories in April at Gibraltar International Airport

Cloud Cover Categories in April at Gibraltar International AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MarMayApr 164%Apr 164%Apr 3065%Apr 3065%Apr 1165%Apr 1165%Apr 2165%Apr 2165%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. At Gibraltar International Airport, the chance of a wet day over the course of April is essentially constant, remaining around 19% throughout.

For reference, the year's highest daily chance of a wet day is 26% on November 20, and its lowest chance is 0% on July 27.

Probability of Precipitation in April at Gibraltar International Airport

Probability of Precipitation in April at Gibraltar International AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%0%2%2%4%4%6%6%8%8%10%10%12%12%14%14%16%16%18%18%20%20%22%22%24%24%MarMayApr 119%Apr 119%Apr 3017%Apr 3017%Apr 1119%Apr 1119%Apr 2119%Apr 2119%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 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 at Gibraltar International Airport is essentially constant, remaining about 1.4 inches throughout, and rarely exceeding 3.3 inches or falling below 0.2 inches.

Average Monthly Rainfall in April at Gibraltar International Airport

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 April at Gibraltar International Airport, the length of the day is rapidly increasing. From the start to the end of the month, the length of the day increases by 1 hour, 3 minutes, implying an average daily increase of 2 minutes, 9 seconds, and weekly increase of 15 minutes, 5 seconds.

The shortest day of the month is April 1, with 12 hours, 37 minutes of daylight and the longest day is April 30, with 13 hours, 39 minutes of daylight.

Hours of Daylight and Twilight in April at Gibraltar International Airport

Hours of Daylight and Twilight in April at Gibraltar International AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrMarMaynightnightdaydayApr 112 hr, 37 minApr 112 hr, 37 minApr 3013 hr, 39 minApr 3013 hr, 39 minApr 1613 hr, 10 minApr 1613 hr, 10 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 month at Gibraltar International Airport is 8:07 AM on April 1 and the earliest sunrise is 38 minutes earlier at 7:29 AM on April 30.

The earliest sunset is 8:43 PM on April 1 and the latest sunset is 25 minutes later at 9:08 PM on April 30.

Daylight saving time is observed at Gibraltar International Airport during 2024, but it neither starts nor ends during April, so the entire month is in daylight saving time.

For reference, on June 20, the longest day of the year, the Sun rises at 7:04 AM and sets 14 hours, 37 minutes later, at 9:41 PM, while on December 21, the shortest day of the year, it rises at 8:28 AM and sets 9 hours, 42 minutes later, at 6:10 PM.

Sunrise & Sunset with Twilight and Daylight Saving Time in April at Gibraltar International Airport

Sunrise & Sunset with Twilight and Daylight Saving Time in April at Gibraltar International AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM2 AMMarMay7:29 AM7:29 AMApr 309:08 PMApr 309:08 PM8:07 AM8:07 AMApr 18:43 PMApr 18:43 PM7:53 AM7:53 AMApr 118:52 PMApr 118:52 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
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 at Gibraltar International Airport

Solar Elevation and Azimuth in April at Gibraltar International AirportApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMMarMay01010202020304040505060000102020303030405050606070
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 at Gibraltar International Airport

Moon Rise, Set & Phases in April at Gibraltar International AirportApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMMarMayMar 1010:01 AMMar 1010:01 AMMar 258:01 AMMar 258:01 AMApr 88:22 PMApr 88:22 PMApr 241:50 AMApr 241:50 AMMay 85:23 AMMay 85:23 AMMay 233:54 PMMay 233:54 PM7:49 AM7:49 AM7:46 PM7:46 PM7:02 PM7:02 PM7:24 AM7:24 AM7:44 AM7:44 AM8:47 PM8:47 PM8:48 PM8:48 PM7:39 AM7:39 AM7:16 AM7:16 AM10:05 PM10:05 PM9:48 PM9:48 PM7:23 AM7:23 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
60%3:07 AMSE12:22 PMSW-7:45 AMS238,476 mi
2
50%4:05 AMSE1:25 PMSW-8:45 AMS235,146 mi
3
37%4:55 AMESE2:35 PMWSW-9:45 AMS231,758 mi
4
26%5:37 AMESE3:49 PMWSW-10:43 AMS228,560 mi
5
16%6:14 AMESE5:04 PMWSW-11:38 AMS225,846 mi
6
8%6:45 AMESE6:18 PMW-12:31 PMS223,916 mi
7
2%7:15 AME7:32 PMW-1:22 PMS223,021 mi
8
0%7:44 AME8:47 PMW-2:12 PMS223,314 mi
9
1%8:13 AMENE10:01 PMWNW-3:04 PMS224,811 mi
10
5%8:46 AMENE11:17 PMWNW-3:57 PMS227,381 mi
11
11%9:23 AMENE--4:53 PMS230,770 mi
12
20%-12:30 AMWNW10:07 AMENE5:51 PMS234,643 mi
13
29%-1:40 AMNW10:58 AMNE6:49 PMS238,641 mi
14
40%-2:41 AMNW11:55 AMNE7:46 PMS242,435 mi
15
50%-3:33 AMNW12:57 PMNE8:39 PMS245,762 mi
16
60%-4:16 AMWNW1:59 PMENE9:28 PMS248,445 mi
17
69%-4:50 AMWNW3:01 PMENE10:14 PMS250,389 mi
18
78%-5:20 AMWNW4:00 PMENE10:56 PMS251,573 mi
19
85%-5:45 AMWNW4:58 PMENE11:36 PMS252,031 mi
20
89%-6:08 AMW5:55 PME--
21
92%-6:29 AMW6:52 PME12:14 AMS251,841 mi
22
96%-6:51 AMW7:49 PME12:53 AMS251,102 mi
23
99%-7:14 AMWSW8:48 PMESE1:32 AMS249,917 mi
24
100%-7:39 AMWSW9:50 PMESE2:14 AMS248,386 mi
25
99%-8:09 AMWSW10:53 PMESE2:59 AMS246,589 mi
26
96%-8:43 AMWSW11:58 PMESE3:48 AMS244,585 mi
27
90%-9:26 AMSW-4:42 AMS242,412 mi
28
83%1:01 AMSE10:17 AMSW-5:39 AMS240,093 mi
29
74%2:00 AMSE11:17 AMSW-6:39 AMS237,655 mi
30
64%2:52 AMSE12:24 PMWSW-7:38 AMS235,143 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 at Gibraltar International Airport is essentially constant during April, remaining around 0% throughout.

For reference, on August 24, the muggiest day of the year, there are muggy conditions 56% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in April at Gibraltar International Airport

Humidity Comfort Levels in April at Gibraltar International AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%MarMayApr 10%Apr 10%Apr 300%Apr 300%Apr 110%Apr 110%Apr 210%Apr 210%humidhumidcomfortablecomfortabledrydrymuggymuggy
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 at Gibraltar International Airport is gradually decreasing during April, decreasing from 11.3 miles per hour to 10.5 miles per hour over the course of the month.

For reference, on February 24, the windiest day of the year, the daily average wind speed is 11.9 miles per hour, while on August 12, the calmest day of the year, the daily average wind speed is 9.0 miles per hour.

Average Wind Speed in April at Gibraltar International Airport

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 at Gibraltar International Airport throughout April is predominantly from the west, with a peak proportion of 51% on April 30.

Wind Direction in April at Gibraltar International Airport

Wind Direction in April at Gibraltar International AirportEWApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%20%80%40%60%60%40%80%20%100%0%MarMaywesteastnorth
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).

Gibraltar International Airport 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 at Gibraltar International Airport is essentially constant during April, remaining within 1°F of 61°F throughout.

Average Water Temperature in April at Gibraltar International Airport

Average Water Temperature in April at Gibraltar International AirportApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303058°F58°F59°F59°F60°F60°F61°F61°F62°F62°F63°F63°F64°F64°F65°F65°F66°F66°F67°F67°F68°F68°FMarMayApr 161°FApr 161°FApr 3062°FApr 3062°FApr 1161°FApr 1161°FApr 2162°FApr 2162°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 at Gibraltar International Airport 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 April at Gibraltar International Airport

Time Spent in Various Temperature Bands and the Growing Season in April at Gibraltar International AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MarMay100%Apr 16100%Apr 16coldcoolcomfortablewarm
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 at Gibraltar International Airport are increasing during April, increasing by 342°F, from 698°F to 1,040°F, over the course of the month.

Growing Degree Days in April at Gibraltar International Airport

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 at Gibraltar International Airport is gradually increasing during April, rising by 1.0 kWh, from 5.8 kWh to 6.8 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in April at Gibraltar International Airport

Average Daily Incident Shortwave Solar Energy in April at Gibraltar International AirportApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhMarMayApr 15.8 kWhApr 15.8 kWhApr 306.8 kWhApr 306.8 kWhApr 116.2 kWhApr 116.2 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 Gibraltar International Airport are 36.151 deg latitude, -5.350 deg longitude, and 7 ft elevation.

The topography within 2 miles of Gibraltar International Airport contains very significant variations in elevation, with a maximum elevation change of 1,332 feet and an average elevation above sea level of 50 feet. Within 10 miles contains very significant variations in elevation (2,185 feet). Within 50 miles contains large variations in elevation (6,266 feet).

The area within 2 miles of Gibraltar International Airport is covered by water (62%) and artificial surfaces (27%), within 10 miles by water (63%) and shrubs (13%), and within 50 miles by water (51%) and cropland (17%).

This report illustrates the typical weather at Gibraltar International Airport, 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

Gibraltar International Airport has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.

The stations on which we may fall back are Sania Ramel Airport, Tangier Ibn Battouta Airport, Jerez Airport, Málaga Airport, Morón Air Base, Naval Station Rota, Seville San Pablo Airport, and Córdoba Airport.

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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