Monroe weather in May

In May, Monroe sees average daytime highs of 83°F and overnight lows near 65°F, with 3.7 in of rain across 10.7 wet days and about 13.6 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 80°F in the first days to 86°F by the end. The sky is clear or mostly clear about 38% of the time in May, and the air most often feels muggy.

Daylight stretches from about 13 h 18 min at the start of May to 14 hours by month's end. Set against the rest of the year, May is Monroe's 8th-clearest and 7th-windiest month. For the whole year in context, see Monroe's year-round climate.

Daytime high
83°
5th warmest
Overnight low
65°
8th coldest
Rainfall
3.7 in
10.7 wet days
Daylight
13 h 42 min
5:15 AM – 6:55 PM
Cloud cover
54%
8th clearest
Wind
7 mph
7th windiest
Solar energy
6.09 kWh/m²
Travel score
5.8
out of 10

Monroe is parish seat of Ouachita Parish, Louisiana, United States.

Density
582/km²
people per km²
Founded
1785

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 80°F in the first days to 86°F by the end.

A typical May day in Monroe reaches about 83°F in the afternoon and slips back to 65°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 75°F and 90°F. Set against its neighbours, May runs about 7°F warmer than April and about 6°F cooler than June.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18060
28060
38061
48061
58161
68162
78162
88262
98263
108263
118263
128264
138364
148364
158364
168365
178465
188465
198466
208466
218566
228567
238567
248567
258667
268668
278668
288668
298769
308769
318769

How May really feels in Monroe

Once humidity and wind are folded in, May 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

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

Monroe weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan57° / 39°4.89.910.14.0
Feb61° / 42°4.89.510.85.0
Mar69° / 49°5.010.811.86.3
Apr76° / 56°5.49.312.87.0
May83° / 65°3.710.713.65.8
Jun89° / 72°3.811.414.14.0
Jul92° / 75°2.911.513.93.2
Aug92° / 74°3.29.713.23.3
Sep88° / 68°3.67.312.25.0
Oct78° / 57°4.47.711.27.3
Nov67° / 47°3.88.110.36.6
Dec59° / 41°4.79.79.94.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55248
65149
75149
85149
95248
105248
115347
125347
135446
145446
155446
165545
175644
185644
195644
205644
215644
225644
235644
245644
255644
265644
275644
285644
295644
305644
315644

Chance of precipitation in May

Any precipitation

Monroe gets around 3.7 in of rain over 10.7 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
234
334
434
534
634
733
833
933
1033
1132
1232
1332
1432
1532
1632
1732
1832
1932
2032
2133
2233
2334
2434
2535
2635
2735
2835
2936
3036
3136

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 47% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1351625223
2331625233
3321525243
4301525263
5291525274
6271525284
7261525304
8251525314
9241624325
10231624335
11211623346
12201622356
13191722356
14181722367
15171721377
16171721378
17161720389
18151720399
191417194010
201316194011
211216194112
221115184213
231014184314
24914184415
25813184517
26712184518
27612174520
28511174521
29411174523
30310174525
31310164427

Wind in May

Winds average 7 mph in May.

Across May, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 18 min at the start of May to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:28 AM to 5:07 AM, and sunset from 6:44 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:286:44
213.35:276:44
313.35:266:45
413.45:256:46
513.45:246:47
613.45:236:47
713.45:226:48
813.55:216:49
913.55:206:50
1013.55:196:50
1113.55:196:51
1213.65:186:52
1313.65:176:52
1413.65:166:53
1513.65:166:54
1613.75:156:55
1713.75:146:55
1813.75:136:56
1913.75:136:57
2013.85:126:57
2113.85:126:58
2213.85:116:59
2313.85:117:00
2413.85:107:00
2513.95:107:01
2613.95:097:02
2713.95:097:02
2813.95:087:03
2913.95:087:03
3013.95:077:04
3114.05:077:05

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.09 kWh/m².

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 6.35 kWh/m² in July across the year — May's 6.09 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
76.0Bright
86.0Bright
96.0Intense
106.0Intense
116.0Intense
126.1Intense
136.1Intense
146.1Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in May

Is May a good time to visit Monroe?

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

5.8
Sightseeing
5th-best month of the year
6.8
Beach & pool
2nd-best month of the year

May is a reasonable time to visit Monroe for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Monroe in May

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

In May, Monroe sees daytime highs around 83°F and nights near 65°F. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Monroe in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Monroe peaks around June 22 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 22UV 10Dec 20UV 3
UV index (midday)Level
Jan4Moderate
Feb5High
Mar7High
Apr10Very high
May9Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Monroe in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Monroe is worst in July — around 24 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodJul 1623 µg/m³Dec 168 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Moderate
Apr11Good
May15Moderate
Jun19Moderate
Jul24Moderate
Aug19Moderate
Sep14Moderate
Oct10Good
Nov8Good
Dec8Good
Location & terrain

Where is Monroe?

Monroe sits at 32.5°N, 92.1°W, 75 ft above sea level, in United States. The nearest listed city is Ruston, 30 mi away.

Topography around Monroe

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

Within 2 miles, the terrain around Monroe has only modest variations in elevation — a maximum elevation change of 102 ft around an average of 82 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 226 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 525 ft.

The land around Monroe is covered by trees (38%), artificial surfaces (30%) and grassland (23%) within 2 miles, trees (65%) within 10 miles, and trees (71%) within 50 miles.

2 miles
102 ft
10 miles
226 ft
50 miles
525 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Ruston 30 mi · El Dorado 58 mi · Vicksburg 73 mi · Natchitoches 76 mi · Natchez 78 mi · Alexandria 85 mi · Greenville 88 mi · Bossier City 94 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 Monroe (32.5093°, -92.1193°, elevation 75 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).