Lafayette averages 87.7 days a year above 90°F, with June the wettest month at 7.09 in of normal rain. The hottest day on record was 110°F on Aug 27, 2023; the coldest, 4°F on Jan 22, 2025. The single biggest 24-hour rain event recorded was 10.4 in on Aug 13, 2016.
Climate and Average Weather Year Round in Lafayette
Year-round temperature
In Lafayette, the warmest months are June through September, with average daily highs between 89°F and 92°F. The coldest stretch runs December through February, with highs between 62°F and 66°F and overnight lows reaching 44°F.
Rainfall through the year
Rainfall in Lafayette averages 5.2 in per month over the long run. June is the wettest at 7.1 in, while March is the driest at 3.7 in.
Days at 90 °F or hotter
Lafayette averages 87.7 days per year at 90 °F or hotter. The hottest year on record saw 134 such days (2023); the coolest just 51 (2001).
Precipitation this year
As of May 28, Lafayette has received 25.7 in of precipitation this year — 9% above the long-term normal for this point in the year (23.5 in).