The best times to visit Opelousas for ideal weather are
March 5th to May 13th
or
September 24th to November 18th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Opelousas Travel Guide
Other Opelousas Travel Info
Weather in Opelousas
Temperature
Average temperatures in Opelousas vary greatly. Considering humidity, temperatures feel nice some of the year, but often too hot in the summer and cold in the winter with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 29th 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 Opelousas, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 94.9°F (34.9°C) with temperatures rarely dropping below 73.9°F (23.3°C) at night.
Opelousas Temperatures (Fahrenheit)
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Opelousas Temperatures (Celsius)
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“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.
Opelousas Perceived Temperature (F)
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Opelousas Perceived Temperature (C)
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Average Opelousas 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 | 60.3 | 45.4 | 33.6 |
| Feb | 61.9 | 49 | 38.5 |
| Mar | 71.3 | 58.6 | 48.1 |
| Apr | 78.2 | 68.1 | 57.8 |
| May | 83.5 | 73.1 | 62.9 |
| Jun | 88.7 | 79.2 | 71.2 |
| Jul | 90.8 | 80 | 71 |
| Aug | 93.3 | 80.4 | 70.4 |
| Sep | 90.2 | 77.1 | 67.2 |
| Oct | 82.2 | 68.3 | 56.2 |
| Nov | 70.3 | 57 | 46.8 |
| Dec | 65.4 | 54.1 | 44.8 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 15.7 | 7.4 | 0.9 |
| Feb | 16.6 | 9.4 | 3.6 |
| Mar | 21.8 | 14.8 | 8.9 |
| Apr | 25.7 | 20.1 | 14.3 |
| May | 28.6 | 22.8 | 17.2 |
| Jun | 31.5 | 26.2 | 21.8 |
| Jul | 32.7 | 26.7 | 21.7 |
| Aug | 34.1 | 26.9 | 21.3 |
| Sep | 32.3 | 25.1 | 19.6 |
| Oct | 27.9 | 20.2 | 13.4 |
| Nov | 21.3 | 13.9 | 8.2 |
| Dec | 18.6 | 12.3 | 7.1 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Opelousas are October, September, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid January. For example, on the week of January 15th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late February and early March with an average of 4 days of significant precipitation the week of February 26th.
When can you find snow in Opelousas? 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 Opelousas.
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Snow on the Ground
The graph below shows the average snow on the ground in Opelousas (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 16% | 0 | 2.6 |
| Feb | 29% | 0 | 4.4 |
| Mar | 28% | 0 | 5.1 |
| Apr | 25% | 0 | 5.3 |
| May | 23% | 0 | 6.1 |
| Jun | 28% | 0 | 7 |
| Jul | 14% | 0 | 1.4 |
| Aug | 17% | 0 | 3.5 |
| Sep | 9% | 0 | 2.6 |
| Oct | 7% | 0 | 3.3 |
| Nov | 15% | 0 | 3.9 |
| Dec | 22% | 0 | 4.7 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 16 | 0 | 6.6 |
| Feb | 29 | 0 | 11.2 |
| Mar | 28 | 0 | 13 |
| Apr | 25 | 0 | 13.5 |
| May | 23 | 0 | 15.5 |
| Jun | 28 | 0 | 17.8 |
| Jul | 14 | 0 | 3.6 |
| Aug | 17 | 0 | 8.9 |
| Sep | 9 | 0 | 6.6 |
| Oct | 7 | 0 | 8.4 |
| Nov | 15 | 0 | 9.9 |
| Dec | 22 | 0 | 11.9 |
Humidity and Wind
Opelousas has some very humid months, and above average humidity throughout the year. The least humid month is January (62.7% relative humidity), and the most humid month is December (75.8%).
Wind in Opelousas is usually calm. The windiest month is February, followed by November and April. February’s average wind speed of around 6.5 knots (7.4 MPH or 12 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early April where average top sustained speeds reach 16.1 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Opelousas.
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Wind
The graph below shows wind speed (max and average) in knots.
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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 | 5.7 | Light breeze | 12.8 | Significant breeze |
| Feb | 6.5 | Light breeze | 13.4 | Significant breeze |
| Mar | 5.5 | Light breeze | 12.5 | Significant breeze |
| Apr | 5.8 | Light breeze | 12.9 | Significant breeze |
| May | 5.5 | Light breeze | 12.5 | Significant breeze |
| Jun | 3.7 | Barely noticeable | 10.3 | Gentle breeze |
| Jul | 3 | Barely noticeable | 9.3 | Significant breeze |
| Aug | 2.9 | Barely noticeable | 9.5 | Gentle breeze |
| Sep | 3 | Barely noticeable | 10.5 | Significant breeze |
| Oct | 3.7 | Barely noticeable | 10.1 | Gentle breeze |
| Nov | 6 | Light breeze | 12.7 | Significant breeze |
| Dec | 5.7 | Light breeze | 11.8 | Significant breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 62.7% |
| Feb | 71.7% |
| Mar | 72.3% |
| Apr | 70.8% |
| May | 69.1% |
| Jun | 75% |
| Jul | 73.7% |
| Aug | 73.3% |
| Sep | 72.2% |
| Oct | 69.9% |
| Nov | 69.1% |
| Dec | 75.8% |
Is it Safe to Travel to Opelousas?
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 Opelousas, LA, US is June, followed by July 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 Opelousas 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
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Overall Opelousas Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 86.3°F (30.2°C) and 63.1°F (17.3°C) with warmer temperatures in the later months. Rain is somewhat common with 7 to 9 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 moderate precipitation with 4 to 8 days of precipitation per month. June – August is the busiest season for tourism in Opelousas, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 92.4°F (33.6°C) and 68.4°F (20.2°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 2 to 4 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 Opelousas to be enjoyable for warm weather travelers. The average high during this season is between 67°F (19.4°C) and 57.4°F (14.1°C). On average, it rains or snows a fair amount: 5 to 8 times per month. These times of year are fairly slow with tourists.
Best Times to Travel› the United States › Opelousas, LA, US