Climate and monthly weather forecastOpelousas, LA
Climate and monthly weather forecast
The climate of Opelousas
Enveloped by a predominately Cfa climate, Opelousas boasts the typical weather features of a humid subtropical region with no dry season, as per the Köppen climate classification system. Geographically located in Louisiana, USA, this climate character is accompanied by a fair share of unique weather attributes and patterns throughout the year.Annual temperature swings range from mild lows of 42.4°F (5.8°C) in January to peak highs of 90.3°F (32.4°C) in July. Variation in this key climate element is apparent as the year progresses, with each month witnessing shifts in its temperature spectrum. The annual average maximum temperature hovers around 77.9°F (25.5°C), while the average minimal figure sits approximately at 58.1°F (14.5°C). Opelousas, in effect, experiences a fairly warm and inviting climate overall.
Examining precipitation distribution, rainfall implicates some degree of predictability with more generous amounts falling from June to August, reaching up to 1.57" (40mm). Impressively, no month goes without its share of rain, keeping the region lush and teeming with life. The levels of humidity hover between 77% and 83%, contributing to the overall humidity of about 80% annually, corroborating the humid nature of the region.
Now, while instances of snowfall remain a rare sighting across the region, December and January each note a slight drop, of as little as 0.04" (1mm), adding charm to the Opelousas winter. Wind speeds mostly fluctuate from 5mph (8km/h) to 7.9mph (12.7km/h) throughout the year with gusts reaching up to 12.4mph (20km/h) indicating an overall quiet and serene environment.
The best time to visit Opelousas
Dating back to the weather patterns that unveil throughout Opelousas, the most appealing time for tourists would arguably be from late spring to early summer, specifically from April to June. During this frame, daytime temperatures range from a delightful 70.5°F (21.4°C) to 84.6°F (29.2°C) while the relative humidity lowers to around 78% offering a comfortable atmospheric setting. Moreover, rainfall levels during these months are moderate compared to other times of the year, thereby making outings and explorations relatively hassle-free.The worst time to visit Opelousas
While Opelousas embraces visitors all year round, the infamous sticky summer heat and muggy weather conditions present from July to August might discourage some visitors. Daytime temperatures peak at around 90.3°F (32.4°C), and the region experiences the highest rainfall of the year, with amounts reaching 1.57" (40mm). Furthermore, the mugginess is amplified with high relative humidity levels reaching up to 81%. Therefore, while summer presents a vibrant sight, the weather conditions during this time can be somewhat challenging for those not accustomed to subtropical climates.Spring weather in Opelousas
Spring in Opelousas is a delightful experience, marked by a gradual rise in temperatures and relatively less precipitation compared to other seasons. Starting from March to May, temperatures climb from an average low of 52.7°F (11.5°C) to a comfortable high of 84.6°F (29.2°C). Rainfall ranges from 0.63" (16mm) in March to 0.94" (24mm) in May, watering the spring blooms and adding a touch of freshness to the environment.Summer weather in Opelousas
Summer in Opelousas is hot and humid with the highest temperatures of the whole year. From June to August, daily maximums fluctuate from 89.4°F (31.9°C) to 90.1°F (32.3°C). Rainfall also peaks during this period, adding to the moist environment, with values ranging from 1.14" (29mm) to 1.57" (40mm). Despite the heat, the high humidity and regular showers ensure a vibrant green landscape throughout the season.Autumn weather in Opelousas
Autumn sees a gradual decline in temperatures, making it another favorite time to explore Opelousas. From September to November, temperatures range from a high of 86.9°F (30.5°C) to a lower, more pleasant, 67.6°F (19.8°C). The rainfall in autumn is moderate, ranging from 0.75" (19mm) in September to 0.71" (18mm) in November. The relative humidity, slightly lower than during summer, does not hinder outdoor activities, making it an ideal time to experience autumn in Louisiana.Winter weather in Opelousas
Winter in Opelousas is relatively mild with average temperatures ranging from a comfortable 60.6°F (15.9°C) in December to a cooler 42.4°F (5.8°C) by January. Although snowfall is barely noted during this season, with only about 0.04" (1mm) being observed in December and January, rainfall is a constant, benefiting the region with an average fall between 0.71" (18mm) and 0.98" (25mm). Despite the drop in temperatures, the relatively mild winter climates make Opelousas an inviting destination during the colder months.Weather in January
The new year begins in Opelousas, Louisiana, with notably cooler temperatures than the following months, offering residents a refreshing break from the anticipated heat of the year ahead. A characteristic of January's weather pattern is the high relative humidity of 79%, which results in slight wetness and chill in the air. Weather in January »Weather in February
February in Opelousas, Louisiana, is a touch warmer than January, signaling the end of the chilly months and the arrival of spring. These transitional conditions are characterized by an interesting blend of sunshine and rainfall, making for vibrant and verdant landscapes. Weather in February »Weather in March
March heralds the advent of Spring in Opelousas, Louisiana, a time when the city comes alive with blossoming flora and an uptick in outdoor activities. One of the salient features of March is its longer daylight hours, offering residents ample time to enjoy the rising spring temperatures. Weather in March »Weather in April
April continues the trend of rising temperatures in Opelousas, Louisiana, setting the stage for the forthcoming summer months. The city witnesses an interesting melange of spring and summer, characterized by increasingly balmier days and gusty winds. Weather in April »Weather in May
May is when summer starts to make its presence felt in full force in Opelousas, Louisiana. The month is epitomized by longer daylight hours and an escalation in warmth, prompting locals to pack away their spring wardrobes in favor of lighter, airier clothing options. Weather in May »Weather in June
June marks the arrival of summer in Opelousas, Louisiana, with its peak temperatures and extended daylight hours making it the ideal time for various outdoor activities. To no surprise, it's also the time when air conditioners and fans operate at full capacity. Weather in June »Weather in July
In July, Opelousas Louisiana reaches its peak summertime conditions, brimming with high temperatures, high humidity, and longer daylight hours. It's not unusual to see locals taking refuge in air-conditioned environments or cooling off at local water bodies. Weather in July »Weather in August
August in Opelousas, Louisiana, maintains the sizzling summertime conditions of July, keeping the air conditioners and fans running at a maximum. The city's weather is characterized by long, hot, and balmy days, which result in an increased need for light clothing and hydration. Weather in August »Weather in September
September signals the onset of autumn in Opelousas, Louisiana, bringing with it a welcome relief from the intense heat of the past summer months. With the high temperature dialing down to a comfortable 86.9°F (30.5°C), locals find it pleasant enough for a range of outdoor activities. Weather in September »Weather in October
October brings a pronounced change in weather to Opelousas, Louisiana, as it settles into a rhythm of decreasing temperatures, making it an ideal time for enjoying the city’s autumnal charm. The month is best known for its vivid fall colors and moderate climate, leading locals to plan several outdoor festivals and activities. Weather in October »Weather in November
November marks the arrival of colder times in Opelousas, Louisiana, with temperatures showing a significant decrease from the previous month. The falling temperatures and shorter daylight hours urge locals to bring out their winter clothing. Weather in November »Weather in December
The year in Opelousas, Louisiana, wraps up with December, bringing with it the invigorating chill of winter. The city is characterized by festive cheer, cooler temperatures, and the lightest snowfall of the year. Despite the wintry conditions, rainfall levels witness a small increase compared to the preceding month of November at 0.98" (25mm). Weather in December »Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Opelousas, January registers the lowest temperatures, averaging 57.7°F (14.3°C) at the peak and 42.4°F (5.8°C) at the lowest.
Throughout the year, there are 127.3 rainfall days, and 11.65" (296mm) of precipitation is accumulated.
Months with snowfall are January and December.
The months with the most snowfall in Opelousas are January and December, with an average 0.04" (1mm) of accumulated snow.
Throughout the year, there are 0.6 snowfall days, and 0.08" (2mm) of snow is accumulated.
January and December, with an average maximum UV index of 3, are months with the lowest UV index.
The most humid month is February, with an average relative humidity of 83%.
February and March are months with the least rain when the rain falls for 8.8 days and typically aggregates up to 0.63" (16mm) of rain.
In Opelousas, Louisiana, snow does not fall in February through November.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
June has the longest days of the year, with an average of 14h and 6min of daylight.
The month with the most sunshine is June, with an average of 10.2h of sunshine.
June through August, with an average maximum UV index of 7, are months with the highest UV index.
Opelousas notes the warmest temperatures in July, with a average high of 90.3°F (32.4°C) and a low of 73.2°F (22.9°C).
The wettest months are July and August, with an average 1.57" (40mm) of rainfall.
October is the least humid month, with an average relative humidity of 72%.
December has the shortest days of the year, with an average of 10h and 12min of daylight.
December has the least sunshine of the year, with an average of 4.9h of sunshine.
Average temperature
Opelousas, LA
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (57.7°F).
The month with the highest average low temperature is August (73.8°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure
Opelousas, LA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Opelousas, LA
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.9mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
5mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.1mph - Average wind speed in October:
6mph - Average wind speed in November:
6.7mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity
Opelousas, LA
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Opelousas, LA
- Average rainfall in January:
0.98" - Average rainfall in February:
0.63" - Average rainfall in March:
0.63" - Average rainfall in April:
0.83" - Average rainfall in May:
0.94" - Average rainfall in June:
1.14"
- Average rainfall in July:
1.57" - Average rainfall in August:
1.57" - Average rainfall in September:
0.75" - Average rainfall in October:
0.91" - Average rainfall in November:
0.71" - Average rainfall in December:
0.98"
The wettest months (with the highest rainfall) are July and August (1.57").
The driest months (with the least rainfall) are February and March (0.63").
Average rainfall days
Opelousas, LA
- Average rainfall days in January:
7.6 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
8.8 days - Average rainfall days in May:
10.1 days - Average rainfall days in June:
14 days
- Average rainfall days in July:
14.9 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
7.9 days - Average rainfall days in November:
6.6 days - Average rainfall days in December:
9.1 days
The month with the highest number of rainy days is August (15.9 days).
The month with the least rainy days is November (6.6 days).
Average snowfall
Opelousas, LA
The months with the highest snowfall are January and December (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days
Opelousas, LA
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.2 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Opelousas, LA
- Average daylight in January:
10h and 24min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 54min - Average daylight in May:
13h and 42min - Average daylight in June:
14h and 6min
- Average daylight in July:
13h and 54min - Average daylight in August:
13h and 12min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 36min - Average daylight in December:
10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January:
5h and 18min - Average sunshine in February:
5h and 12min - Average sunshine in March:
7h and 0min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 42min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 42min - Average sunshine in September:
9h and 24min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 48min - Average sunshine in December:
4h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days
Opelousas, LA
- Average sunshine days in January:
21.5 days - Average sunshine days in February:
17.7 days - Average sunshine days in March:
18.8 days - Average sunshine days in April:
19.7 days - Average sunshine days in May:
18.3 days - Average sunshine days in June:
12.1 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
10.7 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
21.5 days - Average sunshine days in November:
21.9 days - Average sunshine days in December:
19.8 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is August (10.7 days).
Average UV index
Opelousas, LA
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Opelousas, LA
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility
Opelousas, LA
The months with the highest visibility are January, February, October, November and December (6mi).
The months with the lowest visibility are March, April, May, June, July, August and September (5mi).
