Historical weather data, all-time temperature records, and monthly climate averages for West Monroe, LA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in West Monroe lands right in that transitional sweet spot — 87 years of data put the average high at 74° and the low at 52°. The range of what's possible is wide, though: this date has seen a scorching 91° as recently as 2025, and a freezing 32° back in 1987. There's a 1-in-3 chance of rain, so keep an umbrella handy.
West Monroe's weather history is not for the faint of heart — the thermometer has swung from a brutal -2° in February 1951 all the way up to 108° in June 1931. The wettest single day on record dumped a staggering 10.86 inches in March 2016, and a rare 9.2-inch snowstorm blanketed the city in January 1949.
West Monroe runs hot and humid for most of the year, with peak summer highs averaging 93-94° in mid-July and a relatively mild winter floor of 56° in early January. Spring is the wettest stretch — late April into early May averages 1.61 inches per week — making fall the most reliably pleasant window for visitors. If you want heat, July and August deliver; if you want comfortable, aim for October's 79° average highs.