Historical weather data, all-time temperature records, and monthly climate averages for Riverdale, GA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Riverdale lands right in the sweet spot of spring, with average highs of 73° and lows of 46° across 78 years of records. There's a 28% chance of rain today, though snow is essentially off the table. The date's warmest high ever hit 86° just last year in 2025, while 2000 brought a chilly low of 34°.
Riverdale has seen some serious weather extremes over its 86-year record — from a scorching 104° on July 1, 2012, to a bone-chilling 6° on February 5, 1996. Summer storms can be fierce: a single day in July 1994 dumped 9.07 inches of rain, and an early March snowstorm in 1942 buried the area under 12 inches.
Riverdale runs hot — highs average 91° during the warmest week of mid-July, and the mercury stays in the 80s from June through September. Winter is mild but real, with January and February highs only reaching the mid-to-upper 50s. Interestingly, the wettest stretch of the year comes at the very end of December, averaging 1.43 inches in that final holiday week.