Canyon Lake weather in May

In May, Canyon Lake sees average daytime highs of 84°F and overnight lows near 66°F, with 4.2 in of rain across 11.6 wet days and about 13.5 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 82°F in the first days to 87°F by the end. The sky is clear or mostly clear about 31% of the time in May, and the air most often feels muggy.

Daylight stretches from about 13 h 06 min at the start of May to 13 h 48 min by month's end. Set against the rest of the year, May is Canyon Lake's 12th-clearest and 3rd-windiest month. For the whole year in context, see Canyon Lake's year-round climate.

Daytime high
84°
5th warmest
Overnight low
66°
8th coldest
Rainfall
4.2 in
11.6 wet days
Daylight
13 h 30 min
5:44 AM – 7:14 PM
Cloud cover
56%
12th clearest
Wind
8 mph
3rd windiest
Solar energy
5.69 kWh/m²
Travel score
5.4
out of 10

Canyon Lake is census designated place in Comal County, Texas, United States.

Density
52/km²
people per km²

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 82°F in the first days to 87°F by the end.

A typical May day in Canyon Lake reaches about 84°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 77°F and 91°F. Set against its neighbours, May runs about 6°F warmer than April and about 6°F cooler than June.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18162
28162
38262
48263
58263
68263
78263
88264
98364
108364
118364
128365
138365
148365
158465
168466
178466
188466
198566
208567
218567
228567
238567
248668
258668
268668
278768
288769
298769
308769
318769

How May really feels in Canyon Lake

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.

Canyon Lake 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
Jan60° / 41°2.36.910.35.4
Feb64° / 45°2.37.310.96.1
Mar71° / 51°2.99.311.86.8
Apr78° / 58°3.18.912.77.0
May84° / 66°4.211.613.55.4
Jun90° / 71°2.99.713.94.1
Jul93° / 73°1.86.113.73.4
Aug94° / 73°2.36.713.13.2
Sep87° / 68°3.08.312.24.9
Oct79° / 59°3.17.511.37.2
Nov69° / 50°2.6710.57.0
Dec62° / 43°2.67.710.15.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
24951
34852
44852
54852
64753
74852
84753
94753
104753
114852
124852
134951
145050
155149
165149
175149
185149
195248
205347
215248
225347
235446
245347
255446
265446
275545
285545
295545
305644
315842

Chance of precipitation in May

Any precipitation

Canyon Lake gets around 4.2 in of rain over 11.6 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 37% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
336
436
537
637
737
838
938
1038
1138
1237
1337
1437
1537
1637
1737
1837
1937
2037
2137
2237
2337
2437
2537
2637
2737
2836
2936
3035
3135

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 44% of days. Sticky, muggy-or-worse air turns up on roughly 57% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1301323294
2291323305
3281223316
4261222337
5251222347
6231222358
7221221369
8201221379
91912213810
101812213910
111712214010
121612214111
131511214211
141411214311
151311214312
161210214412
171110214512
18119214613
19108214713
2098214814
2187214914
2277215015
2366215215
2455215316
2545205417
2645205417
2734195618
2824195619
2924185620
3014175820
3114175721

Wind in May

Winds average 8 mph in May.

Across May, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
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
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 May

DaylightNight

Daylight runs from about 13 h 06 min at the start of May to 13 h 48 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 5:56 AM to 5:38 AM, and sunset from 7:04 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:567:04
213.25:557:05
313.25:547:06
413.25:537:06
513.25:537:07
613.35:527:08
713.35:517:08
813.35:507:09
913.35:497:10
1013.45:497:10
1113.45:487:11
1213.45:477:12
1313.45:467:12
1413.55:467:13
1513.55:457:14
1613.55:447:14
1713.55:447:15
1813.55:437:15
1913.65:437:16
2013.65:427:17
2113.65:427:17
2213.65:417:18
2313.65:417:19
2413.75:407:19
2513.75:407:20
2613.75:397:20
2713.75:397:21
2813.75:397:22
2913.75:387:22
3013.75:387:23
3113.85:387:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.69 kWh/m².

For context, solar energy here swings from a low near 2.72 kWh/m² to a high of 6.7 kWh/m² in July across the year — May's 5.69 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.9Bright
255.9Bright
265.9Bright
276.0Bright
286.0Bright
296.0Intense
306.0Intense
316.1Intense
Planning a trip in May

Hazard calendar for Canyon Lake

In seasonPeak

None of Canyon Lake's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Canyon Lake sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Canyon Lake?

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

5.4
Sightseeing
7th-best month of the year
6.7
Beach & pool
3rd-best month of the year

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

What to pack for Canyon Lake in May

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

In May, Canyon Lake sees daytime highs around 84°F and nights near 66°F. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Canyon Lake 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 Canyon Lake peaks around August 11 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 11UV 11Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7Very high
Apr10Very high
May10Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov5High
Dec4Moderate

Air quality in Canyon Lake 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 Canyon Lake is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (December, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1416 µg/m³Dec 136 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar8Good
Apr9Good
May14Moderate
Jun14Moderate
Jul17Moderate
Aug12Good
Sep10Good
Oct6Good
Nov6Good
Dec6Good
Location & terrain

Where is Canyon Lake?

Canyon Lake sits at 29.9°N, 98.3°W, 965 ft above sea level, in United States. The nearest listed city is New Braunfels, 14 mi away.

Topography around Canyon Lake

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

Within 2 miles, the terrain around Canyon Lake has only modest variations in elevation — a maximum elevation change of 259 ft around an average of 961 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 850 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,857 ft.

The land around Canyon Lake is covered by trees (39%) and water (39%) within 2 miles, trees (72%) and grassland (21%) within 10 miles, and trees (51%) and grassland (38%) within 50 miles.

2 miles
259 ft
10 miles
850 ft
50 miles
1,857 ft
treesgrasslandcroplandartificial surfaceswater
May weather nearby: New Braunfels 14 mi · San Marcos 19 mi · Cibolo 22 mi · Live Oak 22 mi · Schertz 22 mi · Universal City 22 mi · Kyle 24 mi · Converse 25 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 Canyon Lake (29.8752°, -98.2625°, elevation 965 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).