Historical weather data, all-time temperature records, and monthly climate averages for Jennings, LA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Jennings lands right in that sweet spot of spring — historically, expect a comfortable 76° high and 55° low. There's a 23% chance of rain, but no worries about snow; this date has seen everything from a scorching 91° in 1911 to a hard freeze at 32° back in 1920.
Jennings plays in the extremes — 128 years of data shows a jaw-dropping 100-degree swing between its all-time records of 107° in August 2023 and a brutal 7° in January 2025. The wettest single day on record dumped nearly 14 inches of rain on August 15, 1938, a reminder that southwest Louisiana doesn't do anything halfway.
Summers here are long and serious, with highs in the low 90s from June through August and a peak average of 92° in late July and early August. Winters are mild but not toothless, with January highs averaging just 62°. If you're watching rainfall, counterintuitively the wettest week of the year falls at the very end of December, averaging nearly 1.5 inches.