Average Weather in April in De Kalb Texas, United States
Daily high temperatures increase by 6°F, from 71°F to 78°F, rarely falling below 60°F or exceeding 85°F.
Daily low temperatures increase by 7°F, from 50°F to 57°F, rarely falling below 38°F or exceeding 67°F.
For reference, on July 31, the hottest day of the year, temperatures in De Kalb typically range from 73°F to 94°F, while on January 8, the coldest day of the year, they range from 35°F to 54°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 De Kalb experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 39% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 38% on April 15.
The clearest day of the month is April 15, with clear, mostly clear, or partly cloudy conditions 62% of the time.
For reference, on February 24, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 49%, while on October 5, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 72%.
Cloud Cover Categories in April
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In De Kalb, the chance of a wet day over the course of April is rapidly increasing, starting the month at 30% and ending it at 37%.
For reference, the year's highest daily chance of a wet day is 39% on May 16, and its lowest chance is 21% on January 13.
Probability of Precipitation in April
The average sliding 31-day rainfall during April in De Kalb is increasing, starting the month at 3.8 inches, when it rarely exceeds 6.7 inches or falls below 1.5 inches, and ending the month at 4.7 inches, when it rarely exceeds 8.4 inches or falls below 1.7 inches.
The lowest average 31-day accumulation is 3.8 inches on April 1.
Average Monthly Rainfall in April
Over the course of April in De Kalb, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 57 minutes, implying an average daily increase of 1 minute, 57 seconds, and weekly increase of 13 minutes, 40 seconds.
The shortest day of the month is April 1, with 12 hours, 33 minutes of daylight and the longest day is April 30, with 13 hours, 30 minutes of daylight.
Hours of Daylight and Twilight in April
The latest sunrise of the month in De Kalb is 7:06 AM on April 1 and the earliest sunrise is 35 minutes earlier at 6:31 AM on April 30.
The earliest sunset is 7:39 PM on April 1 and the latest sunset is 22 minutes later at 8:00 PM on April 30.
Daylight saving time is observed in De Kalb during 2018, but it neither starts nor ends during April, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 6:08 AM and sets 14 hours, 23 minutes later, at 8:31 PM, while on December 21, the shortest day of the year, it rises at 7:18 AM and sets 9 hours, 56 minutes later, at 5:14 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in April
The chance that a given day will be muggy in De Kalb is rapidly increasing during April, rising from 3% to 18% over the course of the month.
For reference, on July 15, the muggiest day of the year, there are muggy conditions 89% of the time, while on January 23, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in April
The average hourly wind speed in De Kalb is gradually decreasing during April, decreasing from 9.0 miles per hour to 8.4 miles per hour over the course of the month.
For reference, on April 2, the windiest day of the year, the daily average wind speed is 9.0 miles per hour, while on August 16, the calmest day of the year, the daily average wind speed is 5.9 miles per hour.
The highest daily average wind speed during April is 9.0 miles per hour on April 2.
Average Wind Speed in April
Wind Direction in April
The growing season in De Kalb typically lasts for 8.1 months (249 days), from around March 12 to around November 17, rarely starting before February 18 or after April 7, and rarely ending before October 29 or after December 5.
The month of April in De Kalb is more likely than not fully within the growing season, with the chance that a given day is in the growing season increasing from 84% to 100% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in April
The average accumulated growing degree days in De Kalb are increasing during April, increasing by 397°F, from 450°F to 847°F, over the course of the month.
Growing Degree Days in April
The average daily incident shortwave solar energy in De Kalb is gradually increasing during April, rising by 0.7 kWh, from 5.5 kWh to 6.3 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 De Kalb are 33.509 deg latitude, -94.616 deg longitude, and 367 ft elevation.
The topography within 2 miles of De Kalb is essentially flat, with a maximum elevation change of 92 feet and an average elevation above sea level of 376 feet. Within 10 miles is essentially flat (223 feet). Within 50 miles contains only modest variations in elevation (1,227 feet).
The area within 2 miles of De Kalb is covered by cropland (91%), within 10 miles by cropland (72%) and trees (23%), and within 50 miles by cropland (49%) and trees (38%).
This report illustrates the typical weather in De Kalb 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 are 5 weather stations near enough to contribute to our estimation of the temperature and dew point in De Kalb.
For each station, the records are corrected for the elevation difference between that station and De Kalb 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 De Kalb is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between De Kalb and a given station.
The stations contributing to this reconstruction are: Clarksville, Clarksville/Red River County-J D Trissell Field Airport (27%, 43 kilometers, west); Idabel, Mc Curtain County Regional Airport (22%, 50 kilometers, northwest); Mount Pleasant, Mount Pleasant Regional Airport (18%, 56 kilometers, southwest); Texarkana Regional Airport (18%, 57 kilometers, east); and J Lynn Helms Airport (15%, 63 kilometers, north).
Time zones for aiports and weather stations are provided by AskGeo.com .