Seguin weather in April

In April, Seguin sees average daytime highs of 80°F and overnight lows near 60°F, with 2.9 in of rain across 8.1 wet days and about 12.7 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 77°F in the first days to 83°F by the end. The sky is clear or mostly clear about 37% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 06 min by month's end. Set against the rest of the year, April is Seguin's 7th-clearest and 1st-windiest month. For the whole year in context, see Seguin's year-round climate.

Daytime high
80°
7th warmest
Overnight low
60°
6th coldest
Rainfall
2.9 in
8.1 wet days
Daylight
12 h 42 min
6:11 AM – 6:53 PM
Cloud cover
54%
7th clearest
Wind
9 mph
1st windiest
Solar energy
5.46 kWh/m²
Travel score
6.8
out of 10

Seguin is city in and county seat of Guadalupe County, Texas, United States.

Density
310/km²
people per km²
Founded
1838

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 77°F in the first days to 83°F by the end.

A typical April day in Seguin reaches about 80°F in the afternoon and slips back to 60°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 71°F and 88°F. Set against its neighbours, April runs about 7°F warmer than March and about 6°F cooler than May.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17757
27757
37757
47758
57858
67858
77858
87858
97958
107959
117959
127959
138059
148060
158060
168060
178060
188161
198161
208161
218161
228262
238262
248262
258262
268263
278363
288363
298364
308364

How April really feels in Seguin

Once humidity and wind are folded in, April 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

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

Seguin weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan63° / 43°2.47.110.36.0
Feb67° / 47°2.27.110.96.6
Mar73° / 54°2.88.611.87.1
Apr80° / 60°2.98.112.76.8
May87° / 68°4.110.113.54.9
Jun92° / 74°2.68.813.93.5
Jul95° / 75°1.86.813.72.7
Aug96° / 76°2.06.113.12.4
Sep90° / 71°2.88.812.24.0
Oct82° / 62°3.17.611.36.6
Nov72° / 52°2.77.110.57.2
Dec65° / 45°2.57.610.16.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24951
35050
45050
55149
65149
75149
85248
95248
105248
115248
125248
135248
145347
155347
165248
175248
185248
195149
205149
215149
225149
235050
245149
255050
265050
275050
285050
295050
305050

Chance of precipitation in April

Any precipitation

Seguin gets around 2.9 in of rain over 8.1 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
128
228
328
428
527
627
727
827
927
1027
1126
1226
1326
1426
1526
1626
1726
1826
1926
2026
2127
2227
2327
2427
2528
2628
2729
2829
2930
3030

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 30% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1431622181
2421721191
3421721191
4421720201
5411720202
6411720202
7401720212
8401720212
9391720222
10381820222
11371720232
12371720233
13361720243
14351720253
15341720253
16331720263
17331720273
18321720274
19311720284
20311620284
21301620295
22301620305
23291520305
24291520316
25291419326
26281419327
27281318338
28281218339
292712173410
302611173511

Wind in April

Winds average 9 mph in April, the windiest month of the year.

Across April, daily wind ranges from about 9 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light 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
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over April. Sunrise moves from 6:29 AM to 5:56 AM, and sunset from 6:45 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:296:45
212.36:276:45
312.36:266:46
412.46:256:46
512.46:246:47
612.46:226:47
712.46:216:48
812.56:206:49
912.56:196:49
1012.56:186:50
1112.66:166:50
1212.66:156:51
1312.66:146:52
1412.76:136:52
1512.76:126:53
1612.76:116:53
1712.76:106:54
1812.86:086:55
1912.86:076:55
2012.86:066:56
2112.96:056:57
2212.96:046:57
2312.96:036:58
2412.96:026:58
2513.06:016:59
2613.06:007:00
2713.05:597:00
2813.05:587:01
2913.15:577:02
3013.15:567:02

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.46 kWh/m².

For context, solar energy here swings from a low near 2.69 kWh/m² to a high of 6.67 kWh/m² in July across the year — April's 5.46 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.2Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in April

Is April a good time to visit Seguin?

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

6.8
Sightseeing
3rd-best month of the year
6.8
Beach & pool
3rd-best month of the year

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

What to pack for Seguin in April

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

In April, Seguin sees daytime highs around 80°F and nights near 60°F. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Seguin in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 Seguin peaks around August 10 at about 11 (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 highExtremeVery highHighModerateAug 10UV 11Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov5High
Dec4Moderate

Air quality in Seguin in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Seguin is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (October, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Oct 246 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar9Good
Apr10Good
May15Moderate
Jun15Moderate
Jul18Moderate
Aug12Good
Sep10Good
Oct6Good
Nov6Good
Dec7Good
Location & terrain

Where is Seguin?

Seguin sits at 29.6°N, 98.0°W, 522 ft above sea level, in United States. The nearest listed city is New Braunfels, 13 mi away.

Topography around Seguin

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

Within 2 miles, the terrain around Seguin has only modest variations in elevation — a maximum elevation change of 157 ft around an average of 528 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 410 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,775 ft.

The land around Seguin is covered by grassland (30%), trees (29%) and artificial surfaces (29%) within 2 miles, grassland (48%), trees (29%) and cropland (20%) within 10 miles, and grassland (48%) and trees (42%) within 50 miles.

2 miles
157 ft
10 miles
410 ft
50 miles
1,775 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: New Braunfels 13 mi · Cibolo 16 mi · Schertz 19 mi · Universal City 20 mi · Converse 21 mi · San Marcos 22 mi · Live Oak 22 mi · Canyon Lake 28 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 Seguin (29.5688°, -97.9647°, elevation 522 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).