The best times to visit Chalmette for ideal weather are

February 19th to May 13th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Chalmette Travel Info

Weather in Chalmette


Average temperatures in Chalmette vary greatly. Considering humidity, temperatures feel nice most of the year, excluding some hot weeks in the summer, with a chance of precipitation throughout most of the year. The area is less temperate than some — in the 34th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Chalmette, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally early August where highs are regularly around 92.9°F (33.8°C) with temperatures rarely dropping below 80.3°F (26.8°C) at night.

Chalmette Temperatures (Fahrenheit)


Chalmette Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Chalmette Perceived Temperature (F)


Chalmette Perceived Temperature (C)



Average Chalmette Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 62 53.4 46.4
Feb 65.2 56.1 49.2
Mar 72.6 64.1 57
Apr 79.2 71.1 64.3
May 85.1 77.4 71
Jun 90.8 83.3 77.4
Jul 91.2 84.3 78.7
Aug 91.6 84.7 79.3
Sep 88.2 81.6 76.3
Oct 80.1 72.7 66.4
Nov 71.2 62.7 55.7
Dec 66 57.6 50.9

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 16.7 11.9 8
Feb 18.4 13.4 9.6
Mar 22.6 17.8 13.9
Apr 26.2 21.7 17.9
May 29.5 25.2 21.7
Jun 32.7 28.5 25.2
Jul 32.9 29.1 25.9
Aug 33.1 29.3 26.3
Sep 31.2 27.6 24.6
Oct 26.7 22.6 19.1
Nov 21.8 17.1 13.2
Dec 18.9 14.2 10.5



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Chalmette are November, October, and then May. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid May. For example, on the week of May 7th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late June with an average of 3 days of significant precipitation the week of June 25th.

When can you find snow in Chalmette? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Chalmette.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Chalmette (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 23% 0 4.6
Feb 25% 0 5.2
Mar 18% 0 4.9
Apr 20% 0 6.6
May 17% 0 4.3
Jun 25% 0 4.9
Jul 28% 0 6.2
Aug 29% 0 7.4
Sep 22% 0 5.9
Oct 15% 0 3.1
Nov 13% 0 2.2
Dec 22% 0 6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 23 0 11.7
Feb 25 0 13.2
Mar 18 0 12.4
Apr 20 0 16.8
May 17 0 10.9
Jun 25 0 12.4
Jul 28 0 15.7
Aug 29 0 18.8
Sep 22 0 15
Oct 15 0 7.9
Nov 13 0 5.6
Dec 22 0 15.2


Humidity and Wind

Chalmette has some humid months, and above average humidity throughout the year. The least humid month is October (60.9% relative humidity), and the most humid month is December (68.7%).

Wind in Chalmette is usually moderate. The windiest month is April, followed by February and January. April’s average wind speed of around 10.4 knots (11.9 MPH or 19.2 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late February and early March where average top sustained speeds reach 20 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Chalmette.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 10.1 Gentle breeze 17.4 Strong breeze
Feb 10.2 Gentle breeze 17.6 Strong breeze
Mar 9.7 Gentle breeze 17.5 Strong breeze
Apr 10.4 Gentle breeze 18.1 Strong breeze
May 8.8 Gentle breeze 16.2 Strong breeze
Jun 7.4 Gentle breeze 15.6 Significant breeze
Jul 7.2 Gentle breeze 15.8 Strong breeze
Aug 7.4 Gentle breeze 15 Significant breeze
Sep 8 Gentle breeze 14.8 Strong breeze
Oct 9.3 Gentle breeze 15.9 Significant breeze
Nov 9.8 Gentle breeze 16.5 Strong breeze
Dec 10 Gentle breeze 17.1 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 63.8%
Feb 64%
Mar 63.4%
Apr 61.8%
May 62%
Jun 63.7%
Jul 64.6%
Aug 64.5%
Sep 64%
Oct 60.9%
Nov 62.8%
Dec 68.7%


Is it Safe to Travel to Chalmette?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Chalmette, LA, US is February, followed by January and March. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Chalmette in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 63 in November means 63% of the tourists vs. February.



Overall Chalmette Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 87.7°F (30.9°C) and 67.5°F (19.7°C) with warmer temperatures in the later months. Rain is somewhat common with 5 to 6 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with 7 to 9 days of precipitation per month. June – August is fairly slow season for tourism in Chalmette, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 90.5°F (32.5°C) and 67.7°F (19.8°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 4 to 7 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is too cold this time of year in Chalmette to be enjoyable for warm weather travelers. The average high during this season is between 68.3°F (20.2°C) and 60.5°F (15.8°C). On average, it rains or snows a fair amount: consistently 7 times per month. These times of year are the busiest with tourists.


Best Times to Travelthe United States › Chalmette, LA, US