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April Weather in Tralee Ireland

Daily high temperatures increase by 4°F, from 52°F to 56°F, rarely falling below 47°F or exceeding 62°F.

Daily low temperatures increase by 3°F, from 43°F to 46°F, rarely falling below 37°F or exceeding 51°F.

For reference, on August 1, the hottest day of the year, temperatures in Tralee typically range from 57°F to 65°F, while on February 17, the coldest day of the year, they range from 41°F to 48°F.

Average High and Low Temperature in April in Tralee

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 Tralee

Average Hourly Temperature in April in TraleeApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMMarMayNowNowvery coldcoldcoolvery 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.

Ocean Shores, Washington, United States (4,571 miles away) is the far-away foreign place with temperatures most similar to Tralee (view comparison).

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The month of April in Tralee experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 59% throughout the month.

The clearest day of the month is April 30, with clear, mostly clear, or partly cloudy conditions 43% of the time.

For reference, on December 20, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 70%, while on July 10, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 48%.

Cloud Cover Categories in April in Tralee

Cloud Cover Categories in April in TraleeApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MarMayApr 139%Apr 139%Apr 3043%Apr 3043%Apr 1142%Apr 1142%Apr 2142%Apr 2142%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 Tralee, the chance of a wet day over the course of April is gradually decreasing, starting the month at 33% and ending it at 31%.

For reference, the year's highest daily chance of a wet day is 52% on January 9, and its lowest chance is 30% on April 21.

Probability of Precipitation in April in Tralee

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 Tralee is gradually decreasing, starting the month at 2.4 inches, when it rarely exceeds 4.0 inches or falls below 0.9 inches, and ending the month at 2.1 inches, when it rarely exceeds 3.8 inches or falls below 0.8 inches.

The lowest average 31-day accumulation is 2.1 inches on April 28.

Average Monthly Rainfall in April in Tralee

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 in Tralee, 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, 53 minutes, implying an average daily increase of 3 minutes, 54 seconds, and weekly increase of 27 minutes, 18 seconds.

The shortest day of the month is April 1, with 13 hours, 1 minute of daylight and the longest day is April 30, with 14 hours, 54 minutes of daylight.

Hours of Daylight and Twilight in April in Tralee

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 Tralee is 7:12 AM on April 1 and the earliest sunrise is 1 hour, 3 minutes earlier at 6:09 AM on April 30.

The earliest sunset is 8:13 PM on April 1 and the latest sunset is 50 minutes later at 9:03 PM on April 30.

Daylight saving time is observed in Tralee 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 5:16 AM and sets 16 hours, 47 minutes later, at 10:04 PM, while on December 21, the shortest day of the year, it rises at 8:46 AM and sets 7 hours, 42 minutes later, at 4:28 PM.

Sunrise & Sunset with Twilight and Daylight Saving Time in April in Tralee

Sunrise & Sunset with Twilight and Daylight Saving Time in April in TraleeApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMMarMay6:09 AM6:09 AMApr 309:03 PMApr 309:03 PM7:12 AM7:12 AMApr 18:13 PMApr 18:13 PM6:49 AM6:49 AMApr 118:31 PMApr 118:31 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 Tralee

Solar Elevation and Azimuth in April in TraleeApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMMarMay010102020203040500001020203030304050NowNow
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 Tralee

Moon Rise, Set & Phases in April in TraleeApr11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMMarMayMar 109:01 AMMar 109:01 AMMar 257:01 AMMar 257:01 AMApr 87:22 PMApr 87:22 PMApr 2412:50 AMApr 2412:50 AMMay 84:23 AMMay 84:23 AMMay 232:54 PMMay 232:54 PM7:22 AM7:22 AM6:58 PM6:58 PM6:16 PM6:16 PM6:40 AM6:40 AM6:52 AM6:52 AM8:25 PM8:25 PM8:40 PM8:40 PM6:19 AM6:19 AM5:41 AM5:41 AM10:29 PM10:29 PM10:20 PM10:20 PM5:25 AM5:25 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%3:54 AMSE10:11 AMSW-7:03 AMS238,437 mi
2
50%4:48 AMSE11:19 AMSW-8:04 AMS235,104 mi
3
37%5:27 AMSE12:42 PMSW-9:04 AMS231,715 mi
4
26%5:53 AMSE2:14 PMSW-10:03 AMS228,520 mi
5
16%6:12 AMESE3:47 PMWSW-10:59 AMS225,814 mi
6
8%6:27 AMESE5:20 PMWSW-11:52 AMS223,896 mi
7
2%6:40 AME6:52 PMW-12:43 PMS223,017 mi
8
0%6:52 AME8:25 PMWNW-1:33 PMS223,327 mi
9
1%7:04 AMENE9:58 PMWNW-2:24 PMS224,839 mi
10
5%7:20 AMENE11:32 PMNW-3:17 PMS227,422 mi
11
11%7:40 AMNE--4:12 PMS230,818 mi
12
20%-1:03 AMNW8:09 AMNE5:10 PMS234,693 mi
13
29%-2:23 AMNW8:50 AMNE6:07 PMS238,689 mi
14
40%-3:28 AMNW9:46 AMNE7:03 PMS242,477 mi
15
50%-4:13 AMNW10:55 AMNE7:56 PMS245,797 mi
16
60%-4:44 AMNW12:10 PMNE8:45 PMS248,471 mi
17
69%-5:05 AMNW1:26 PMNE9:30 PMS250,406 mi
18
78%-5:20 AMWNW2:41 PMENE10:12 PMS251,582 mi
19
85%-5:31 AMWNW3:53 PMENE10:51 PMS252,033 mi
20
92%-5:41 AMW5:04 PME11:30 PMS251,836 mi
21
94%-5:49 AMW6:15 PME--
22
96%-5:58 AMW7:26 PMESE12:08 AMS251,091 mi
23
99%-6:07 AMWSW8:40 PMESE12:48 AMS249,902 mi
24
100%-6:19 AMWSW9:57 PMESE1:30 AMS248,368 mi
25
99%-6:33 AMSW11:16 PMSE2:15 AMS246,568 mi
26
96%-6:54 AMSW-3:05 AMS244,562 mi
27
90%12:35 AMSE7:23 AMSW-3:59 AMS242,386 mi
28
83%1:47 AMSE8:07 AMSW-4:57 AMS240,065 mi
29
74%2:45 AMSE9:09 AMSW-5:57 AMS237,624 mi
30
64%3:28 AMSE10:27 AMSW-6:57 AMS235,111 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 Tralee is essentially constant during April, remaining around 0% throughout.

For reference, on August 7, the muggiest day of the year, there are muggy conditions 0% 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 in Tralee

Humidity Comfort Levels in April in TraleeApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%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%drydrycomfortablecomfortable
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 Tralee is gradually decreasing during April, decreasing from 14.0 miles per hour to 13.1 miles per hour over the course of the month.

For reference, on December 31, the windiest day of the year, the daily average wind speed is 17.7 miles per hour, while on July 25, the calmest day of the year, the daily average wind speed is 11.9 miles per hour.

Average Wind Speed in April in Tralee

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

The wind direction in Tralee during April is predominantly out of the west from April 1 to April 19 and from April 27 to April 30 and the north from April 19 to April 27.

Wind Direction in April in Tralee

Wind Direction in April in TraleeWNWApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%20%80%40%60%60%40%80%20%100%0%MarMayNowNowwestsouthnortheast
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).

Tralee 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 Tralee is gradually increasing during April, rising by 2°F, from 49°F to 51°F, over the course of the month.

Average Water Temperature in April in Tralee

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 Tralee typically lasts for 11 months (334 days), from around January 31 to around December 30, rarely starting after March 21, or ending before November 21.

The month of April in Tralee is very likely fully within the growing season, with the chance that a given day is in the growing season gradually increasing from 95% to 100% over the course of the month.

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

Time Spent in Various Temperature Bands and the Growing Season in April in Traleegrowing seasonApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MarMay95%Apr 195%Apr 1100%Apr 30100%Apr 3097%Apr 1197%Apr 11100%Apr 21100%Apr 2190%Mar 2190%Mar 21NowNowvery coldcoldcoolcomfortable
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 Tralee are gradually increasing during April, increasing by 45°F, from 35°F to 80°F, over the course of the month.

Growing Degree Days in April in Tralee

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 Tralee is increasing during April, rising by 1.4 kWh, from 3.5 kWh to 4.9 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in April in Tralee

Average Daily Incident Shortwave Solar Energy in April in TraleeApr1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhMarMayApr 13.5 kWhApr 13.5 kWhApr 304.9 kWhApr 304.9 kWhApr 114.0 kWhApr 114.0 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.

For the purposes of this report, the geographical coordinates of Tralee are 52.270 deg latitude, -9.703 deg longitude, and 26 ft elevation.

The topography within 2 miles of Tralee contains only modest variations in elevation, with a maximum elevation change of 367 feet and an average elevation above sea level of 66 feet. Within 10 miles contains only modest variations in elevation (2,789 feet). Within 50 miles contains large variations in elevation (3,425 feet).

The area within 2 miles of Tralee is covered by grassland (58%) and artificial surfaces (38%), within 10 miles by grassland (50%) and herbaceous vegetation (16%), and within 50 miles by water (42%) and grassland (31%).

This report illustrates the typical weather in Tralee, 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 Tralee.

For each station, the records are corrected for the elevation difference between that station and Tralee 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 Tralee is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Tralee and a given station.

The stations contributing to this reconstruction are:

  • Shannon Airport (EINN, 61%, 44 mi, northeast, 20 ft elevation change)
  • Cork Airport (EICK, 39%, 59 mi, southeast, 476 ft elevation change)

To get a sense of how much these sources agree with each other, you can view a comparison of Tralee 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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