Spring weather in May

In May, Spring sees average daytime highs of 85°F and overnight lows near 68°F, with 3.8 in of rain across 10.1 wet days and about 13.5 hours of daylight. It is the 5th-warmest and 8th-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 34% 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 Spring's 7th-clearest and 5th-windiest month. For the whole year in context, see Spring's year-round climate.

Daytime high
85°
5th warmest
Overnight low
68°
8th coldest
Rainfall
3.8 in
10.1 wet days
Daylight
13 h 30 min
5:33 AM – 7:03 PM
Cloud cover
55%
7th clearest
Wind
8 mph
5th windiest
Solar energy
5.88 kWh/m²
Travel score
5.3
out of 10

Spring is census-designated place in Harris County, Texas, United States.

Density
919/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 83°F in the first days to 88°F by the end.

A typical May day in Spring reaches about 85°F in the afternoon and slips back to 68°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 91°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
28264
38364
48365
58365
68365
78366
88466
98466
108466
118467
128467
138567
148567
158568
168568
178568
188668
198669
208669
218669
228769
238769
248770
258770
268770
278871
288871
298871
308871
318971

How May really feels in Spring

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.

Spring weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan62° / 44°4.09.910.35.5
Feb66° / 48°3.28.910.96.1
Mar72° / 54°3.59.611.86.8
Apr78° / 60°3.9912.76.9
May85° / 68°3.810.113.55.3
Jun90° / 74°4.512.813.93.6
Jul92° / 75°3.211.513.73.1
Aug93° / 75°3.511.813.13.0
Sep89° / 71°4.11112.24.3
Oct81° / 61°4.18.711.36.7
Nov71° / 52°3.98.810.56.9
Dec64° / 46°4.29.710.15.8

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 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 (%)
15248
25248
35248
45248
55248
65248
75248
85347
95248
105347
115347
125545
135545
145545
155644
165644
175743
185743
195743
205842
215743
225842
235842
245842
255941
265941
275941
286040
296040
306040
316139

Chance of precipitation in May

Any precipitation

Spring gets around 3.8 in of rain over 10.1 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 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
130
230
330
430
531
631
731
831
931
1031
1131
1231
1331
1432
1532
1632
1732
1832
1932
2032
2132
2233
2333
2433
2534
2634
2735
2835
2936
3037
3137

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 71% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
121111830190
220111830200
320101831220
418101731230
517101732240
616101732250
71591732260
81491633270
91491634270
101391634280
111291634281
121191535291
131091536301
14981536301
15981437311
16881438321
17881338321
18771339331
19771240341
20661240351
21661141361
22551041371
23451041392
2444941402
2534841422
2634840442
2723740462
2823739473
2913638493
3012637513
3112635524

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
187light breeze
197calm
207calm
217calm
227calm
237calm
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 5:44 AM to 5:26 AM, and sunset from 6:53 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:446:53
213.25:436:54
313.25:436:55
413.25:426:55
513.35:416:56
613.35:406:57
713.35:396:57
813.35:386:58
913.45:386:59
1013.45:376:59
1113.45:367:00
1213.45:357:01
1313.45:357:01
1413.55:347:02
1513.55:337:03
1613.55:337:03
1713.55:327:04
1813.65:317:04
1913.65:317:05
2013.65:307:06
2113.65:307:06
2213.65:297:07
2313.65:297:08
2413.75:287:08
2513.75:287:09
2613.75:277:09
2713.75:277:10
2813.75:277:11
2913.75:267:11
3013.85:267:12
3113.85:267:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.88 kWh/m².

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 6.28 kWh/m² in July across the year — May's 5.88 kWh/m² sits near the top of that range.

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
185.9Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.1Intense
316.1Intense
Planning a trip in May

Is May a good time to visit Spring?

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

5.3
Sightseeing
8th-best month of the year
6.9
Beach & pool
2nd-best month of the year

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

What to pack for Spring in May

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

In May, Spring 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 Spring 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 Spring 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 Spring 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 Spring is worst in July — around 24 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1523 µg/m³Dec 2010 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar12Moderate
Apr12Moderate
May16Moderate
Jun20Moderate
Jul24Moderate
Aug18Moderate
Sep15Moderate
Oct11Good
Nov10Good
Dec10Good
Location & terrain

Where is Spring?

Spring sits at 30.1°N, 95.4°W, 121 ft above sea level, in United States. The nearest listed city is The Woodlands, 6.8 mi away.

Topography around Spring

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

Within 2 miles, the terrain around Spring has only modest variations in elevation — a maximum elevation change of 108 ft around an average of 125 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 210 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 541 ft.

The land around Spring is covered by trees (53%) and artificial surfaces (33%) within 2 miles, trees (59%) and artificial surfaces (24%) within 10 miles, and trees (54%) and grassland (27%) within 50 miles.

2 miles
108 ft
10 miles
210 ft
50 miles
541 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: The Woodlands 6.8 mi · Aldine 11 mi · Humble 11 mi · New Caney 14 mi · Atascocita 16 mi · Conroe 16 mi · Cypress 19 mi · Houston 22 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 Spring (30.0799°, -95.4172°, elevation 121 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).