Average Weather in April in Haveluloto Tonga
Daily high temperatures decrease by 3°F, from 84°F to 81°F, rarely falling below 78°F or exceeding 87°F.
Daily low temperatures decrease by 2°F, from 75°F to 72°F, rarely falling below 68°F or exceeding 78°F.
For reference, on February 13, the hottest day of the year, temperatures in Haveluloto typically range from 76°F to 85°F, while on August 23, the coldest day of the year, they range from 66°F to 76°F.
Average High and Low Temperature in April
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
The month of April in Haveluloto experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 67% to 56%.
The clearest day of the month is April 30, with clear, mostly clear, or partly cloudy conditions 44% of the time.
For reference, on February 25, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 71%, while on August 9, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 62%.
Cloud Cover Categories in April
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Haveluloto, the chance of a wet day over the course of April is very rapidly decreasing, starting the month at 41% and ending it at 27%.
For reference, the year's highest daily chance of a wet day is 42% on April 3, and its lowest chance is 16% on June 30.
Probability of Precipitation in April
The average sliding 31-day rainfall during April in Haveluloto is rapidly decreasing, starting the month at 6.2 inches, when it rarely exceeds 11.2 inches or falls below 1.8 inches, and ending the month at 4.5 inches, when it rarely exceeds 8.4 inches or falls below 0.9 inches.
Average Monthly Rainfall in April
Over the course of April in Haveluloto, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 32 minutes, implying an average daily decrease of 1 minute, 7 seconds, and weekly decrease of 7 minutes, 48 seconds.
The shortest day of the month is April 30, with 11 hours, 20 minutes of daylight and the longest day is April 1, with 11 hours, 52 minutes of daylight.
Hours of Daylight and Twilight in April
The earliest sunrise of the month in Haveluloto is 6:48 AM on April 1 and the latest sunrise is 10 minutes later at 6:58 AM on April 30.
The latest sunset is 6:40 PM on April 1 and the earliest sunset is 23 minutes earlier at 6:17 PM on April 30.
Daylight saving time is observed in Haveluloto during 2018, but it neither starts nor ends during April, so the entire month is in standard time.
For reference, on December 21, the longest day of the year, the Sun rises at 6:56 AM and sets 13 hours, 25 minutes later, at 8:21 PM, while on June 21, the shortest day of the year, it rises at 7:17 AM and sets 10 hours, 51 minutes later, at 6:08 PM.
Sunrise & Sunset with Twilight in April
The chance that a given day will be muggy in Haveluloto is rapidly decreasing during April, falling from 96% to 85% over the course of the month.
For reference, on February 13, the muggiest day of the year, there are muggy conditions 100% of the time, while on August 24, the least muggy day of the year, there are muggy conditions 36% of the time.
Humidity Comfort Levels in April
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Haveluloto is increasing during April, increasing from 14.3 miles per hour to 15.4 miles per hour over the course of the month.
For reference, on April 26, the windiest day of the year, the daily average wind speed is 15.4 miles per hour, while on February 17, the calmest day of the year, the daily average wind speed is 13.5 miles per hour.
The highest daily average wind speed during April is 15.4 miles per hour on April 27.
Average Wind Speed in April
Wind Direction in April
Haveluloto 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 Haveluloto is essentially constant during April, remaining within 1°F of 80°F throughout.
Average Water Temperature in April
Temperatures in Haveluloto 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
The average accumulated growing degree days in Haveluloto are rapidly increasing during April, increasing by 796°F, from 6,966°F to 7,762°F, over the course of the month.
Growing Degree Days in April
The average daily incident shortwave solar energy in Haveluloto is gradually decreasing during April, falling by 0.6 kWh, from 4.9 kWh to 4.4 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in April
For the purposes of this report, the geographical coordinates of Haveluloto are -21.152 deg latitude, -175.213 deg longitude, and 20 ft elevation.
The topography within 2 miles of Haveluloto is essentially flat, with a maximum elevation change of 92 feet and an average elevation above sea level of 20 feet. Within 10 miles is essentially flat (253 feet). Within 50 miles contains only modest variations in elevation (1,030 feet).
The area within 2 miles of Haveluloto is covered by water (88%), within 10 miles by water (84%) and trees (11%), and within 50 miles by water (99%).
This report illustrates the typical weather in Haveluloto year round, 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 is only a single weather station, Fuaʻamotu International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Haveluloto.
At a distance of 11 kilometers from Haveluloto, closer than our threshold of 150 kilometers, this station is deemed sufficiently nearby to be relied upon as our primary source for temperature and dew point records.
The station records are corrected for the elevation difference between the station and Haveluloto according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
Please note that the station records themselves may additionally have been back-filled using other nearby stations or the MERRA-2 reanalysis.
Time zones for aiports and weather stations are provided by AskGeo.com .