Corsicana weather in May

In May, Corsicana sees average daytime highs of 83°F and overnight lows near 66°F, with 4.5 in of rain across 11.2 wet days and about 13.6 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 80°F in the first days to 87°F by the end. The sky is clear or mostly clear about 34% of the time in May, and the air most often feels muggy.

Daylight stretches from about 13 h 12 min at the start of May to 13 h 54 min by month's end. Set against the rest of the year, May is Corsicana's 11th-clearest and 4th-windiest month. For the whole year in context, see Corsicana's year-round climate.

Daytime high
83°
5th warmest
Overnight low
66°
8th coldest
Rainfall
4.5 in
11.2 wet days
Daylight
13 h 36 min
5:33 AM – 7:11 PM
Cloud cover
56%
11th clearest
Wind
9 mph
4th windiest
Solar energy
5.71 kWh/m²
Travel score
5.6
out of 10

Corsicana is city in and county seat of Navarro County, Texas, United States.

Density
396/km²
people per km²
Founded
1848

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 87°F by the end.

A typical May day in Corsicana reaches about 83°F in the afternoon and slips back to 66°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 76°F and 91°F. Set against its neighbours, May runs about 7°F warmer than April and about 7°F cooler than June.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18061
28062
38062
48162
58162
68163
78163
88264
98264
108264
118264
128265
138365
148365
158366
168366
178466
188467
198467
208567
218567
228568
238568
248568
258669
268669
278669
288769
298770
308770
318770

How May really feels in Corsicana

Once humidity and wind are folded in, May averages 3 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
3
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Corsicana weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan58° / 40°3.07.410.14.7
Feb62° / 43°3.38.110.85.5
Mar69° / 50°3.99.611.86.5
Apr76° / 57°3.8912.87.0
May83° / 66°4.511.213.65.6
Jun90° / 73°2.98.814.14.0
Jul94° / 76°1.86.513.93.0
Aug95° / 76°2.06.213.22.8
Sep89° / 70°2.46.312.24.7
Oct79° / 59°4.27.511.27.2
Nov68° / 49°3.17.510.46.8
Dec60° / 42°3.77.99.95.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25050
35050
45050
54951
64852
74852
84852
94852
104951
114951
125050
135050
145149
155248
165248
175248
185248
195248
205248
215248
225347
235347
245248
255347
265347
275347
285446
295446
305545
315644

Chance of precipitation in May

Any precipitation

Corsicana gets around 4.5 in of rain over 11.2 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
235
335
436
536
636
736
836
936
1036
1136
1235
1335
1434
1534
1633
1733
1833
1933
2033
2134
2234
2334
2434
2535
2635
2735
2835
2935
3035
3134

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 40% of days. Sticky, muggy-or-worse air turns up on roughly 54% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1321821254
2301821265
3291721285
4271721296
5261721316
6241621326
7231621337
8221521357
9201521368
10191421378
11181422379
12171322389
131613223910
141512223911
151512224011
161411234012
171310234113
181210224214
19119224315
20108224316
2198214417
2287214518
2387204619
2476204720
2566194722
2655194823
2745184824
2835174926
2934174928
3024164829
3124154831

Wind in May

Winds average 9 mph in May.

Across May, daily wind ranges from about 8 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 12 min at the start of May to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:46 AM to 5:25 AM, and sunset from 7:00 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:467:00
213.35:457:01
313.35:447:02
413.35:437:03
513.45:427:03
613.45:417:04
713.45:407:05
813.45:397:05
913.55:387:06
1013.55:387:07
1113.55:377:08
1213.55:367:08
1313.65:357:09
1413.65:347:10
1513.65:347:11
1613.65:337:11
1713.75:327:12
1813.75:327:13
1913.75:317:13
2013.75:307:14
2113.75:307:15
2213.85:297:15
2313.85:297:16
2413.85:287:17
2513.85:287:17
2613.85:277:18
2713.95:277:19
2813.95:277:19
2913.95:267:20
3013.95:267:20
3113.95:257:21

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.71 kWh/m².

For context, solar energy here swings from a low near 2.57 kWh/m² to a high of 6.73 kWh/m² in July across the year — May's 5.71 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
296.0Bright
306.0Bright
316.0Intense
Planning a trip in May

Is May a good time to visit Corsicana?

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

5.6
Sightseeing
5th-best month of the year
6.7
Beach & pool
3rd-best month of the year

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

What to pack for Corsicana in May

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

In May, Corsicana sees daytime highs around 83°F and nights near 66°F. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Corsicana in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Corsicana peaks around August 10 at about 10 (extreme) — 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 highExtremeVery highHighModerateAug 10UV 10Dec 20UV 3
UV index (midday)Level
Jan4Moderate
Feb5High
Mar6High
Apr9Very high
May10Very high
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Corsicana 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 Corsicana is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (October, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1519 µg/m³Oct 248 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr11Good
May15Moderate
Jun17Moderate
Jul19Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Corsicana?

Corsicana sits at 32.1°N, 96.5°W, 443 ft above sea level, in United States. The nearest listed city is Ennis, 19 mi away.

Topography around Corsicana

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

Within 2 miles, the terrain around Corsicana has only modest variations in elevation — a maximum elevation change of 128 ft around an average of 430 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 217 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 699 ft.

The land around Corsicana is covered by trees (44%), grassland (33%) and artificial surfaces (21%) within 2 miles, grassland (62%) and trees (26%) within 10 miles, and grassland (53%) and trees (31%) within 50 miles.

2 miles
128 ft
10 miles
217 ft
50 miles
699 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Ennis 19 mi · Waxahachie 30 mi · Seagoville 38 mi · Lancaster 38 mi · Midlothian 41 mi · DeSoto 41 mi · Cedar Hill 44 mi · Balch Springs 45 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 Corsicana (32.0954°, -96.4689°, elevation 443 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).