Opelousas weather in March

In March, Opelousas sees average daytime highs of 71°F and overnight lows near 52°F, with 4.4 in of rain across 9.9 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 68°F in the first days to 74°F by the end. The sky is clear or mostly clear about 32% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of March to 12 h 12 min by month's end. Set against the rest of the year, March is Opelousas's 7th-clearest and 3rd-windiest month. For the whole year in context, see Opelousas's year-round climate.

Daytime high
71°
8th warmest
Overnight low
52°
5th coldest
Rainfall
4.4 in
9.9 wet days
Daylight
11 h 48 min
6:25 AM – 6:11 PM
Cloud cover
57%
7th clearest
Wind
8 mph
3rd windiest
Solar energy
4.55 kWh/m²
Travel score
6.7
out of 10

Opelousas is parish seat of St. Landry Parish, Louisiana, United States.

Founded
1720

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 68°F in the first days to 74°F by the end.

A typical March day in Opelousas reaches about 71°F in the afternoon and slips back to 52°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 61°F and 81°F. Set against its neighbours, March runs about 6°F warmer than February and about 7°F cooler than April.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16849
26849
36849
46949
56949
66950
76950
86950
97050
107051
117051
127151
137151
147152
157152
167252
177253
187253
197253
207353
217353
227354
237354
247454
257454
267454
277455
287455
297455
307555
317555

How March really feels in Opelousas

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Opelousas weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan61° / 43°5.19.610.25.2
Feb65° / 46°4.39.210.95.9
Mar71° / 52°4.49.911.86.7
Apr78° / 58°4.59.212.76.9
May85° / 66°4.19.613.55.4
Jun90° / 73°4.713.813.93.7
Jul91° / 74°5.117.213.83.1
Aug91° / 74°4.915.413.13.1
Sep88° / 70°3.910.712.24.5
Oct80° / 60°3.97.411.37.0
Nov70° / 50°3.68.310.57.0
Dec63° / 45°4.89.310.15.7

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 16% of March, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34555
44555
54654
64555
74555
84555
94555
104555
114555
124654
134654
144654
154753
164951
174951
185050
195050
205050
215149
225149
235149
245248
255149
265149
275050
285050
295050
304951
314951

Chance of precipitation in March

Any precipitation

Opelousas gets around 4.4 in of rain over 9.9 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
134
234
333
433
534
634
734
834
934
1034
1134
1234
1334
1433
1533
1632
1731
1831
1930
2030
2129
2229
2329
2429
2529
2629
2729
2830
2930
3031
3131

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the dry band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
162141770
263131770
363131770
462131870
562131870
662131870
760131980
859141980
959141980
1058142080
1156152090
1256152090
13541620100
14541620100
15531720100
16511820110
17511820110
18511820110
19491920110
20491920120
21481920120
22471921130
23471921130
24471921140
25461921140
26461821140
27461821151
28451821151
29451721161
30441721161
31441721172

Wind in March

Winds average 8 mph in March.

Across March, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 18 min at the start of March to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over March. Sunrise moves from 6:42 AM to 6:06 AM, and sunset from 6:01 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:426:01
211.36:416:01
311.46:406:02
411.46:396:03
511.46:386:04
611.56:376:04
711.56:366:05
811.56:356:06
911.66:336:06
1011.66:326:07
1111.66:316:08
1211.66:306:08
1311.76:296:09
1411.76:276:10
1511.76:266:10
1611.86:256:11
1711.86:246:12
1811.86:226:12
1911.96:216:13
2011.96:206:14
2111.96:196:14
2212.06:176:15
2312.06:166:16
2412.06:156:16
2512.16:146:17
2612.16:126:18
2712.16:116:18
2812.26:106:19
2912.26:086:19
3012.26:076:20
3112.26:066:21

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.55 kWh/m².

For context, solar energy here swings from a low near 2.62 kWh/m² to a high of 6.16 kWh/m² in May across the year — March's 4.55 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.0Moderate
24.0Bright
34.0Bright
44.1Bright
54.1Bright
64.2Bright
74.2Bright
84.3Bright
94.3Bright
104.3Bright
114.4Bright
124.4Bright
134.4Bright
144.5Bright
154.5Bright
164.6Bright
174.6Bright
184.7Bright
194.7Bright
204.7Bright
214.8Bright
224.8Bright
234.8Bright
244.9Bright
254.9Bright
264.9Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.1Bright
Planning a trip in March

Is March a good time to visit Opelousas?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.7
Sightseeing
4th-best month of the year
4.6
Beach & pool
8th-best month of the year

March is a reasonable time to visit Opelousas for sightseeing.

What to pack for Opelousas in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Opelousas sees daytime highs around 71°F and nights near 52°F. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

UV index in Opelousas in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Opelousas peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highExtremeVery highHighModerateJul 13UV 10Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Extreme
May10Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Opelousas in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Opelousas is worst in July — around 24 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (January, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1624 µg/m³Jan 139 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar12Good
Apr12Good
May16Moderate
Jun20Moderate
Jul24Moderate
Aug19Moderate
Sep15Moderate
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Opelousas?

Opelousas sits at 30.5°N, 92.1°W, 66 ft above sea level, in United States. The nearest listed city is Lafayette, 22 mi away.

Topography around Opelousas

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Opelousas.

Within 2 miles, the terrain around Opelousas has only modest variations in elevation — a maximum elevation change of 98 ft around an average of 72 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 131 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 449 ft.

The land around Opelousas is covered by trees (46%) and grassland (32%) within 2 miles, trees (38%), grassland (34%) and cropland (25%) within 10 miles, and trees (50%) and cropland (29%) within 50 miles.

2 miles
98 ft
10 miles
131 ft
50 miles
449 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
March weather nearby: Lafayette 22 mi · New Iberia 40 mi · Baton Rouge 53 mi · Zachary 55 mi · Alexandria 58 mi · Central 62 mi · Shenandoah 65 mi · Prairieville 68 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Opelousas (30.5335°, -92.0815°, elevation 66 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).