| July 2008 | Lightning | Dacula | 1 hurt | The Gwinnett Daily Post of Lawrenceville reported that a woman was struck by lightning while at outside in Dacula Park during an afternoon thunderstorm. She was transported to the hospital in Lawrenceville and treated for injuries. |
| July 2018 | Hail | Dacula | $4,500,000 | A report of tennis ball size hail near the intersection of Highway 29 and Highway 316 was received over social media. |
| July 2008 | Hail | Dacula | $2,000,000 | Local Atlanta television stations relayed a report of golf ball-sized hail in the Dacula area. Several reports of penny-sized hail were received from the public in the Dacula area. The hail lasted several minutes at some locations. Radar data indicated that this was one of the strongest storms of the day and persisted in the same area for up to 30 minutes. Penny-sized hail was also reported just northwest of Lawrenceville, but this appeared to have been a different thunderstorm cell. In addition, several reports of three to over four inches of rain were received from the Ducula area with this storm. |
| June 2007 | Lightning | Dacula | $250,000 | The Gwinnett Daily Post reported that lightning struck a two-story home on Daniel Park Run. The attic was burned and the remainder of the home suffered moderate to heavy damage from fire and smoke. |
| June 2010 | Lightning | Dacula | $150,000 | The Gwinnett Daily Post reported that lightning struck a home on Mitford Lane. The home suffered extensive damage from fire and smoke. |
| August 2007 | Lightning | Dacula | $150,000 | The Gwinnett Daily Post of Lawrenceville reported that lightning struck and set on fire a home on Willow Park Drive. |
| July 2008 | Lightning | Dacula | $100,000 | The public reported that lightning struck a home and set the attic on fire. |
| June 2007 | Lightning | Dacula | $25,000 | The Gwinnett Daily Post reported that lightning struck the Dacula Fire Station on Old Fountin Road. Damage was minor and confined to electronic equipment and the phone system. |
| June 2002 | Lightning | Dacula | $25,000 | The Gwinnett Daily Post reported that lightning set on fire and caused considerable damage to the attic of a home. The residents were not home at the time and no injuries were reported. |
| July 2008 | Lightning | Dacula | $15,000 | The Gwinnett Daily Post of Lawrenceville reported that lightning struck a large storage shed behind a residence. The resulting fire caused moderate damage to the structure and its contents. |
| February 2011 | Thunderstorm Wind | Dacula | $10,000 | The Gwinnett County Emergency Management Director measured wind gusts at 58 mph in Dacula. While no tree or power line damage was noted in this area, a tree was blown down onto a home in Lawrenceville causing damage to the structure. In other parts of the county, some trees were down on power lines leaving 300 people in the Duluth area without power. |
| June 1998 | Lightning | Dacula | $10,000 | A house was damaged by fire set by lightning. |
| July 2008 | Thunderstorm Wind | Dacula | $5,000 | The public reported that a large tree was blown down onto a home causing some damage to the structure, mainly in the form of broken windows. |
| December 2021 | Thunderstorm Wind | Dacula | $3,000 | Local EM reported powerlines down across Gregory Lane between Stanley Road SE and Lakeside Drive SE. |
| February 2014 | Thunderstorm Wind | Dacula | $1,750 | A National Weather Service storm survey determined that straight-line winds snapped two trees and uprooted five other, with several branches down in the area as well. |
| August 2023 | Thunderstorm Wind | Dacula | $1,000 | Report of tree down on the 2100 block of Alcovy Rd. |
| May 2018 | Lightning | Dacula | $1,000 | The Gwinnett County Emergency Manager reported a house struck by lightning near the intersection of Berry Hall Road and Marlborough Drive. |
| July 2017 | Thunderstorm Wind | Dacula | $1,000 | The Gwinnett County 911 center reported a tree blown down at the intersection of Bold Springs Road and Ridge Manor Drive. |
| September 2009 | Flood | Dacula | $1,000 | The USGS stream gage on the Alcovy River near Lawrenceville reached its flood stage of 9.0 feet at 1205 pm EDT, crested at 9.70 feet at 145 pm EDT, and then fell below flood stage at 230 pm EDT. Minor flooding was reported adjacent to the river. Damage was confined to minor debris removal. |
| March 2009 | Flash Flood | Dacula | $1,000 | The river gage on the Alcovy river near Lawrenceville exceeded the flood stage of 9.0 feet at 404 pm EDT on March 27, 2009. It remained above flood stage until 812 pm EDT. The river crested at 9.5 feet at 630 pm EDT. Damage was confined to minor debris removal. |
| June 2003 | Lightning | Dacula | $1,000 | The Gwinnett county SkyWarn reported that a home in Dacula was struck by lightning. The fire department investigated, but no fire was reported. Damage was confined to electronic equipment. Lightning also was responsible for a sewage leak at a pump station near Snellville as the pump station was briefly rendered inoperable by the lightning strike. |
| June 2005 | Thunderstorm Wind | Dacula | $500 | The Gwinnett County 911 Center reported that a couple of large trees were blown down. |
| June 2004 | Thunderstorm Wind | Dacula | $250 | The SkyWarn Coordinator for Gwinnett County reported that one tree was blown down. |
| May 2000 | Thunderstorm Wind | Dacula | $200 | The public reported 1 tree and several limbs blown down on Fence Road. |
| July 2018 | Hail | Dacula | - | An amateur radio operator reported quarter size hail in the Harbin Oaks Drive area. |
| March 2017 | Hail | Dacula | - | The Gwinnett County Emergency Manager reported quarter size hail on the south side of Dacula. |
| April 2017 | Hail | Dacula | - | The Gwinnett County Emergency Manager reported nickel size hail in Dacula. |
| July 2013 | Hail | Dacula | - | The public reported quarter sized hail near Harbin and Dacula. |
| July 2012 | Hail | Dacula | - | A CoCoRaHS observer reported quarter sized hail in Dacula. |
| April 2009 | Hail | Dacula | - | The public observed 1.50 inch diameter sized-hail on the east side of Dacula, while the public observed penny-sized hail for a 20-minute period on the northwest side of and near Dacula. This hail occurred from a separate thunderstorm that developed more than 11 miles north of the one tracking across southern Gwinnett county from Lilburn to Snellville, which produced quarter to half-dollar-sized hail. |
| July 2006 | Hail | Dacula | - | The public reported penny-sized hail. |
| April 2005 | Hail | Dacula | - | The public reported penny-sized hail. |
| May 2003 | Hail | Dacula | - | The public reported nickel-sized hail. |
| May 2002 | Hail | Dacula | - | The public reported nickel size hail. |
| September 2002 | Flood | Dacula | - | The Gwinnett county Amateur Radio Emergency Services reported that Old Peachtree Road and Old Fountain Road were flooded. Several cars were stranded in the area because of the high water. In addition, water was up to the foundation of one home in the area. |
| May 2000 | Hail | Dacula | - | The public reported dime to golfball size hail in Dacula. |
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