Hurricanes and Tornadoes That Hit Callahan, FL

The nearest NOAA station with 1991–2020 climate normals is Jacksonville, FL, 10 miles southeast of Callahan at 33 feet. July is the warmest, with an average high of 92°F and low of 73°F; January is the coolest, at 66°F and 43°F. June and September are the wettest at 7.6 inches of precipitation on average and November the driest at 2.0 inches; the year adds up to 53.5 inches over 76 days with at least a tenth of an inch. June to November, the hurricane season months, bring 65% of the year's precipitation (34.9 of 53.5 inches); the other six months are drier. October has brought the most of the 94 tropical systems that passed within 75 miles (30); a normal October there has highs of 81°F and 4.0 inches of precipitation. Highs reach 90°F on about 80 days a year, almost all from April to October. Lows fall below freezing on about 14 nights a year. That 53.5 inches is more than at 53 of the 125 Florida stations used on this site (42%). Hilliard, 10 miles northwest, has its own station (Folkston 9 SW, GA): 53.3 inches a year, 0.2 less than here, and a July average high of 94°F against 92°F.

Water temperature at the NOAA tide station Jacksonville University, FL, 20 miles southeast, averaged 86°F in August and 58°F in January over 2021–2025. It averaged 80°F or warmer from June to September. Sea level at the Fernandina Beach tide gauge, 23 miles from Callahan, has risen 0.91 ± 0.03 inches per decade from 1897 to 2025, NOAA's linear trend; at that pace it is 9.1 inches in a hundred years. That is faster than at 53 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 139 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Callahan: 114 thunderstorm wind reports, 16 heavy rain events, 7 lightning strikes, 1 flash flood and 1 flood. They killed 0 people and injured 1, and the NWS estimated $247,000 in property and crop damage. The strongest thunderstorm gust on record here was 75 mph, on June 12, 2003.

Flood insurance policyholders in Callahan's ZIP code 32011 have filed 133 claims with the National Flood Insurance Program since 1985, and were paid $4.7 million for buildings and contents, in the dollars of each year. The most came from Hurricane Irma in 2017: 69 claims (52% of all) and $3.5 million, then Tropical Storm Fay in 2008 with 26. 91% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 340 Florida cities on this site with 10 or more claims, 126 have fewer than Callahan.