Cypress weather in May

In May, Cypress sees average daytime highs of 85°F and overnight lows near 68°F, with 3.9 in of rain across 9.9 wet days and about 13.5 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 83°F in the first days to 88°F by the end. The sky is clear or mostly clear about 35% 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 Cypress's 7th-clearest and 5th-windiest month. For the whole year in context, see Cypress's year-round climate.

Daytime high
85°
5th warmest
Overnight low
68°
8th coldest
Rainfall
3.9 in
9.9 wet days
Daylight
13 h 30 min
5:34 AM – 7:04 PM
Cloud cover
55%
7th clearest
Wind
8 mph
5th windiest
Solar energy
5.89 kWh/m²
Travel score
5.2
out of 10

Cypress is unincorporated community of Harris County, Texas, United States.

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 83°F in the first days to 88°F by the end.

A typical May day in Cypress reaches about 85°F in the afternoon and slips back to 68°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 92°F. Set against its neighbours, May runs about 7°F warmer than April and about 5°F cooler than June.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18264
28364
38364
48365
58365
68365
78465
88466
98466
108466
118467
128567
138567
148567
158567
168568
178668
188668
198669
208669
218769
228769
238769
248770
258770
268870
278871
288871
298871
308971
318971

How May really feels in Cypress

Once humidity and wind are folded in, May averages 10 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
10
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.

Cypress weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan62° / 44°3.79.710.35.5
Feb66° / 47°3.18.710.96.1
Mar72° / 54°3.39.311.86.8
Apr79° / 60°3.88.612.76.9
May85° / 68°3.99.913.55.2
Jun91° / 74°4.31213.93.7
Jul93° / 75°2.910.613.73.1
Aug93° / 75°3.311.213.12.9
Sep89° / 71°3.810.312.24.3
Oct81° / 61°3.98.711.36.7
Nov71° / 52°3.88.510.57.0
Dec64° / 46°4.19.810.15.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35149
45149
55149
65149
75248
85248
95347
105347
115446
125545
135545
145545
155644
165644
175743
185743
195842
205842
215842
225941
235842
245941
255941
265941
276040
286139
296139
306139
316139

Chance of precipitation in May

Any precipitation

Cypress gets around 3.9 in of rain over 9.9 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 32% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
129
229
329
429
530
630
730
831
931
1031
1131
1231
1331
1431
1532
1632
1732
1832
1932
2032
2133
2233
2333
2433
2534
2634
2734
2835
2935
3035
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 38% of days. Sticky, muggy-or-worse air turns up on roughly 70% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
122121732170
221111732180
320111733190
419101733210
518101733220
617101634230
716101634240
81591635250
91491635250
101391635260
111291636261
121191636271
131091637271
14991638281
15991539281
16881539281
17881440291
18781441291
19771342301
20671343311
21661243321
22561244331
23551144341
24451044361
2534944381
2634943392
2724843412
2823842432
2913741452
3013740472
3113638493

Wind in May

Winds average 8 mph in May.

Across May, daily wind ranges from about 7 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
237light breeze
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 5:46 AM to 5:27 AM, and sunset from 6:54 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:466:54
213.25:456:55
313.25:446:56
413.25:436:56
513.25:426:57
613.35:416:58
713.35:406:58
813.35:406:59
913.35:397:00
1013.45:387:00
1113.45:377:01
1213.45:377:02
1313.45:367:02
1413.55:357:03
1513.55:357:03
1613.55:347:04
1713.55:337:05
1813.55:337:05
1913.65:327:06
2013.65:327:07
2113.65:317:07
2213.65:317:08
2313.65:307:09
2413.75:307:09
2513.75:297:10
2613.75:297:10
2713.75:287:11
2813.75:287:12
2913.75:287:12
3013.85:277:13
3113.85:277:13

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.89 kWh/m².

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 6.34 kWh/m² in July across the year — May's 5.89 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in May

Is May a good time to visit Cypress?

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

5.2
Sightseeing
8th-best month of the year
6.9
Beach & pool
2nd-best month of the year

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

What to pack for Cypress in May

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

In May, Cypress sees daytime highs around 85°F and nights near 68°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Cypress 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 Cypress peaks around July 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highHighModerateJul 21UV 11Dec 21UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Cypress 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 Cypress is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1520 µg/m³Dec 138 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr11Good
May15Moderate
Jun17Moderate
Jul21Moderate
Aug15Moderate
Sep12Moderate
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Cypress?

Cypress sits at 30.0°N, 95.7°W, 151 ft above sea level, in United States. The nearest listed city is Katy, 15 mi away.

Topography around Cypress

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

Within 2 miles, the terrain around Cypress has only modest variations in elevation — a maximum elevation change of 66 ft around an average of 151 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 246 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 528 ft.

The land around Cypress is covered by trees (37%), artificial surfaces (31%) and grassland (26%) within 2 miles, trees (38%), grassland (32%) and artificial surfaces (22%) within 10 miles, and trees (46%) and grassland (35%) within 50 miles.

2 miles
66 ft
10 miles
246 ft
50 miles
528 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Katy 15 mi · Cinco Ranch 16 mi · The Woodlands 18 mi · Spring 19 mi · Alief 19 mi · Mission Bend 19 mi · Aldine 19 mi · Bellaire 23 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 Cypress (29.9691°, -95.6972°, elevation 151 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).