Use this monthly calendar to view weather averages, such as average temperature 14 days ahead of today, as well as the historical weather patterns over the past year. Weather history for places in Louisiana. 67.75 °F: How Many Inches of Rain per year does Louisiana get ? Average annual temperatures for cities, towns, parks and lakes throughout Louisiana are listed below in degrees Fahrenheit and Celsius. Louisiana is a region with a significant rainfall. August is the hottest month for Louisiana with an average high temperature of 92.2°, which ranks it as one of the hottest states. Louisiana Weather in December: With the air being damp (Humidity is 75%) and temperature being as low as 16℉, you can expect cold weather on your visit to Louisiana in the month of December. In Louisiana, there are 5 comfortable months with high temperatures in the range of 70-85°. Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.. Below are average maximum temperatures at popular destinations in Louisiana for next month - September. On average, it rains or snows a smalll amount: 2 to 3 times per month. The average precipitation recorded around this time is 39.25 mm. The tables give the normals for maximum and minimum yearly temperatures based on weather data collected from 1981 to 2010. N/A: How much, if any, snow falls each year in Louisiana? The climate is warm and temperate in Louisiana. Get the monthly weather forecast for Louisiana, MO, including daily high/low, historical averages, to help you plan ahead. You can jump to a separate table for each region of the state: Gulf Coast, Florida Parishes, Central and North Louisiana. The climate here is … N/A: How Much Sunshine each year is there in Louisiana (in hours)? What's the Average Low in Louisiana? Select a destination to see the climate guide for all months of the year. The average annual temperature in Louisiana ranges from 64 in the northern divisions to 69° F in southern divisions. The most pleasant months of the year for Louisiana are April, October and May. Even in the driest month there is a lot of rain. Weather is too cold this time of year in Louisiana to be enjoyable for warm weather travelers. 57.5 °F: What's the Average Temperature in Louisiana? The July average is 82 to 83° F statewide. The average high during this season is between 68°F (20°C) and 61.5°F (16.4°C). 61.7 inches: How Many Rainy Days a year are there in Louisiana? Louisiana climate guide. The lowest January average is 45 in the northwest and north-central ranging upward to 53 in the southeast. N/A Monthly Reports: Climate data Summaries for all stations organized by climate division. Sign up for our email newsletter by entering your email address. The average temperature is 37℉.