Rosenberg weather in May

In May, Rosenberg sees average daytime highs of 86°F and overnight lows near 69°F, with 3.4 in of rain across 9.6 wet days and about 13.5 hours of daylight. It is the 5th-warmest and 9th-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 36% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 13 h 06 min at the start of May to 13 h 42 min by month's end. Set against the rest of the year, May is Rosenberg's 5th-clearest and 6th-windiest month. For the whole year in context, see Rosenberg's year-round climate.

Daytime high
86°
5th warmest
Overnight low
69°
8th coldest
Rainfall
3.4 in
9.6 wet days
Daylight
13 h 30 min
5:35 AM – 7:04 PM
Cloud cover
53%
5th clearest
Wind
8 mph
6th windiest
Solar energy
5.96 kWh/m²
Travel score
5.2
out of 10

Rosenberg is city in Fort Bend County, Texas, United States.

Density
413/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 Rosenberg reaches about 86°F in the afternoon and slips back to 69°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 80°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)
18365
28365
38365
48366
58466
68466
78467
88467
98467
108567
118568
128568
138568
148568
158569
168669
178669
188669
198669
208770
218770
228770
238770
248771
258871
268871
278871
288872
298872
308972
318972

How May really feels in Rosenberg

Once humidity and wind are folded in, May averages 12 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
12
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.

Rosenberg weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan64° / 46°3.69.710.35.8
Feb67° / 49°2.98.410.96.3
Mar73° / 55°3.3911.86.9
Apr79° / 61°3.58.312.76.9
May86° / 69°3.49.613.55.2
Jun91° / 74°4.112.213.93.6
Jul92° / 76°3.312.213.73.1
Aug93° / 76°3.51213.12.9
Sep89° / 71°4.312.112.24.2
Oct82° / 62°3.9911.36.6
Nov72° / 53°3.78.310.57.1
Dec65° / 47°3.89.210.16.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 42%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35248
45248
55248
65347
75347
85446
95446
105545
115545
125644
135644
145644
155842
165842
175941
185941
196040
206040
216040
226139
236238
246139
256238
266337
276337
286436
296436
306436
316535

Chance of precipitation in May

Any precipitation

Rosenberg gets around 3.4 in of rain over 9.6 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 31% and peaks near 35% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
127
227
327
428
528
629
729
830
930
1030
1130
1231
1331
1431
1532
1632
1732
1832
1932
2032
2132
2232
2332
2432
2533
2633
2734
2834
2935
3035
3135

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 73% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
119121633200
218111633220
317111633230
416101633250
51591633260
61491534270
71381534290
81381534290
91281535300
101181535310
111071535321
12971535321
13971535331
14871536341
15771536351
16761436361
17661437361
18661337371
19551337381
20551237391
21551137411
22441137422
23441037442
2433937462
2533936482
2623836492
2722735522
2812734533
2912633553
3011532574
3111531584

Wind in May

Winds average 8 mph in May.

Across May, daily wind ranges from about 7 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
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
238light breeze
248light breeze
258light breeze
267light breeze
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 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over May. Sunrise moves from 5:47 AM to 5:28 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)
113.15:476:54
213.25:466:55
313.25:456:55
413.25:446:56
513.25:436:57
613.35:426:57
713.35:426:58
813.35:416:59
913.35:406:59
1013.35:397:00
1113.45:387:01
1213.45:387:01
1313.45:377:02
1413.45:367:03
1513.55:367:03
1613.55:357:04
1713.55:357:04
1813.55:347:05
1913.55:337:06
2013.65:337:06
2113.65:327:07
2213.65:327:08
2313.65:317:08
2413.65:317:09
2513.65:317:09
2613.75:307:10
2713.75:307:11
2813.75:297:11
2913.75:297:12
3013.75:297:12
3113.75:287:13

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.96 kWh/m².

For context, solar energy here swings from a low near 2.63 kWh/m² to a high of 6.22 kWh/m² in July across the year — May's 5.96 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
146.0Bright
156.0Bright
166.0Bright
176.0Bright
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in May

Is May a good time to visit Rosenberg?

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 Rosenberg for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Rosenberg in May

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

In May, Rosenberg sees daytime highs around 86°F and nights near 69°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Rosenberg 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 Rosenberg peaks around August 10 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 highHighModerateAug 10UV 11Dec 21UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar6High
Apr10Very high
May10Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Rosenberg 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 Rosenberg is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1520 µg/m³Nov 167 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar10Good
Apr11Good
May14Moderate
Jun17Moderate
Jul20Moderate
Aug15Moderate
Sep11Good
Oct7Good
Nov7Good
Dec7Good
Location & terrain

Where is Rosenberg?

Rosenberg sits at 29.6°N, 95.8°W, 105 ft above sea level, in United States. The nearest listed city is Pecan Grove, 6.8 mi away.

Topography around Rosenberg

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

Within 2 miles, the terrain around Rosenberg has only modest variations in elevation — a maximum elevation change of 92 ft around an average of 98 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 128 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 489 ft.

The land around Rosenberg is covered by trees (46%) and grassland (25%) within 2 miles, grassland (37%), trees (29%) and cropland (24%) within 10 miles, and trees (36%) and grassland (35%) within 50 miles.

2 miles
92 ft
10 miles
128 ft
50 miles
489 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Pecan Grove 6.8 mi · New Territory 8.1 mi · Sugar Land 11 mi · Mission Bend 13 mi · Cinco Ranch 13 mi · Stafford 16 mi · Katy 16 mi · Alief 17 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 Rosenberg (29.5572°, -95.8086°, elevation 105 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).