May weather forecast
Louisiana, USA

May in Louisiana signifies the tail end of spring, and a transition towards the hot and humid summer season. The southern parts of the state, including locales like New Orleans, witness daytime highs often ranging from 84°F (28.9°C) to 88°F (31.1°C). In the northern regions, which include cities such as Alexandria, temperatures typically span from 79°F (26.1°C) to 83°F (28.3°C).

Nights in May are warmer compared to the preceding months. In southern areas, nighttime lows generally sit between 64°F (17.8°C) and 68°F (20°C). Meanwhile, the northern territories experience temperatures from 60°F (15.6°C) to 64°F (17.8°C).

May typically contends with April for the title of the wettest month in Louisiana. It's not unusual for the state to accumulate up to 20" (508mm) of rainfall during this month, with some days registering as much as 10" (254mm) during particularly heavy downpours. Thunderstorms are frequent, often accompanied by intense tropical rain showers that can lead to localized flooding.

Compared to April, May experiences a further uptick in both temperature and humidity. This month's warm and moist conditions set the stage for the impending summer, with both flora and fauna in full flourish across the state. By the end of May, residents and visitors can already sense the onset of the hot and steamy summer days that Louisiana is renowned for.

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• New Orleans - May »
  In New Orleans in May, during 8.6 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In New Orleans, during May, the rain falls for 8.6 days and regularly aggregates up to 0.75" (19mm) of precipitation.
• Baton Rouge - May »
  On the first day of May sunrise is at 6:20 am and sunset at 7:42 pm. In Baton Rouge in May, it is raining for 14.7 days, with typically 2.83" (72mm) of accumulated precipitation.
• Shreveport - May »
  On the last day of May, in Shreveport sunrise is at 6:08 am and sunset at 8:17 pm CDT. In Shreveport, during the entire year, the rain falls for 103.9 days and collects up to 11.54" (293mm) of precipitation.
• Lafayette - May »
  In Lafayette snow does not fall in February through December. On the last day of the month, in Lafayette, sunrise is at 6:06 am and sunset at 8:04 pm CDT.
• Lake Charles - May »
  In Lake Charles, Louisiana, during May, the rain falls for 13.9 days and regularly aggregates up to 3.19" (81mm) of precipitation. In Lake Charles during the entire year, the rain falls for 182.1 days and collects up to 39.25" (997mm) of precipitation.
• Kenner - May »
  On the last day of the month, in Kenner sunrise is at 6:00 am and sunset at 7:57 pm CDT. The onset of May in Kenner brings a minor temperature shift, with the average high-temperature moving from 76.6°F (24.8°C) in April to a still warm 82.9°F (28.3°C).
• Bossier City - May »
  On the first day of May in Bossier City sunrise is at 6:27 am and sunset at 7:56 pm. May in Bossier City is characterized by consistent warm weather, longer daylight hours, and a slight dip in rainfall to 1.14" (29mm).
• Monroe - May »
  On the last day of the month, in Monroe sunrise is at 6:01 am and sunset at 8:10 pm CDT. On the last day of May, in Monroe sunrise is at 6:01 am and sunset at 8:10 pm CDT.
• Alexandria - May »
  In Alexandria during May, the rain falls for 14.5 days and regularly aggregates up to 2.95" (75mm) of precipitation. On the last day of the month, in Alexandria, sunrise is at 6:06 am and sunset at 8:09 pm CDT.
• Houma - May »
  May's arrival in Houma brings a modest temperature shift, moving from a warm 77.5°F (25.3°C) in April to a still moderately hot 83.7°F (28.7°C). May through August, with an average maximum UV index of 7, are months with the highest UV index in Houma, Louisiana.
• New Iberia - May »
  On the last day of the month, in New Iberia sunrise is at 6:06 am and sunset at 8:03 pm CDT. In New Iberia, during May, the rain falls for 8.3 days and regularly aggregates up to 0.94" (24mm) of precipitation.
• Slidell - May »
  In Slidell in May, it is raining for 13.3 days, with typically 2.68" (68mm) of accumulated precipitation. In Slidell, in May, during 13.3 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.