Roswell weather in August

In August, Roswell sees average daytime highs of 91°F and overnight lows near 69°F, with 1.5 in of rain across 7.6 wet days and about 13.2 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 93°F in the first days to 89°F by the end. The sky is clear or mostly clear about 56% of the time in August, and the air most often feels dry.

Daylight stretches from about 13 h 42 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Roswell's 11th-clearest and 11th-windiest month. For the whole year in context, see Roswell's year-round climate.

Daytime high
91°
3rd warmest
Overnight low
69°
11th coldest
Rainfall
1.5 in
7.6 wet days
Daylight
13 h 12 min
5:25 AM – 6:40 PM
Cloud cover
40%
11th clearest
Wind
7 mph
11th windiest
Solar energy
6.76 kWh/m²
Travel score
3.9
out of 10

Roswell is city in and the county seat of Chaves County, New Mexico, United States.

Density
627/km²
people per km²
Founded
1869

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 93°F in the first days to 89°F by the end.

A typical August day in Roswell reaches about 91°F in the afternoon and slips back to 69°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 99°F. Set against its neighbours, August runs about 2°F cooler than July and about 6°F warmer than September.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19370
29370
39370
49370
59370
69370
79270
89270
99270
109270
119269
129269
139269
149269
159269
169269
179169
189169
199169
209168
219168
229168
239168
249168
259068
269067
279067
289067
298967
308967
318966

How August really feels in Roswell

Once humidity and wind are folded in, August averages 28 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
28
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Roswell weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan55° / 31°0.52.61.2104.3
Feb60° / 35°0.52.70.910.86.0
Mar68° / 41°0.83.30.311.77.7
Apr77° / 48°0.82.60.112.88.4
May85° / 58°1.44.8013.76.2
Jun94° / 67°0.95014.23.4
Jul94° / 70°1.46.40143.2
Aug91° / 69°1.57.6013.23.9
Sep85° / 62°1.66.1012.26.2
Oct75° / 50°1.34.30.211.28.2
Nov63° / 38°0.62.60.610.36.8
Dec54° / 31°0.73.11.39.84.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 24% of August, with mostly cloudy or overcast conditions the remaining 20%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27723
37723
47822
57822
67822
77822
87921
97921
107921
118020
128020
138020
148020
158119
168119
178020
188020
198020
208020
218119
228020
238020
248020
258020
268020
278020
288119
298119
308119
318119

Chance of precipitation in August

Any precipitation

Roswell gets around 1.5 in of rain over 7.6 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
224
324
425
525
626
726
826
927
1027
1127
1227
1326
1426
1526
1625
1725
1824
1924
2023
2123
2222
2322
2422
2521
2621
2721
2821
2921
3021
3121

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14130245
24130245
34130255
44030255
54030255
64030255
74031245
84031245
93931245
103931246
113932246
123832246
133832246
143733246
153733246
163733246
173733246
183733236
193833236
203833236
213933226
224033226
234132225
244232215
254332204
264531204
274631194
284830193
294930183
305029183
315029183

Wind in August

Winds average 7 mph in August.

Across August, 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.

0246810151015202531
Wind speed (mph)Feels
18light breeze
27light breeze
37light breeze
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227light breeze
237light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 42 min at the start of August to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over August. Sunrise moves from 5:14 AM to 5:35 AM, and sunset from 6:54 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:146:54
213.65:156:53
313.65:156:53
413.65:166:52
513.65:176:51
613.55:186:50
713.55:186:49
813.55:196:48
913.55:206:47
1013.45:206:46
1113.45:216:45
1213.45:226:44
1313.35:236:43
1413.35:236:42
1513.35:246:41
1613.25:256:40
1713.25:256:38
1813.25:266:37
1913.25:276:36
2013.15:286:35
2113.15:286:34
2213.15:296:33
2313.05:306:31
2413.05:306:30
2513.05:316:29
2612.95:326:28
2712.95:336:26
2812.95:336:25
2912.85:346:24
3012.85:356:22
3112.85:356:21

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.76 kWh/m².

For context, solar energy here swings from a low near 3.19 kWh/m² to a high of 7.82 kWh/m² in June across the year — August's 6.76 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.0Intense
37.0Intense
47.0Intense
57.0Intense
67.0Intense
77.0Intense
87.0Intense
96.9Intense
106.9Intense
116.9Intense
126.9Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.6Intense
236.6Intense
246.6Intense
256.5Intense
266.5Intense
276.5Intense
286.4Intense
296.4Intense
306.4Intense
316.3Intense
Planning a trip in August

Is August a good time to visit Roswell?

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

3.9
Sightseeing
10th-best month of the year
6.9
Beach & pool
4th-best month of the year

August is a weaker month for outdoor sightseeing in Roswell. The water and warmth also suit a beach or pool day.

What to pack for Roswell in August

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

In August, Roswell sees daytime highs around 91°F and nights near 69°F. Pack light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Roswell in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Roswell peaks around June 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 12Dec 20UV 3
UV index (midday)Level
Jan4Moderate
Feb5High
Mar7High
Apr10Extreme
May9Very high
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Roswell in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Roswell is worst in December — around 23 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (August, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateDec 1822 µg/m³Aug 249 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb17Moderate
Mar13Moderate
Apr11Good
May10Good
Jun11Good
Jul10Good
Aug9Good
Sep9Good
Oct9Good
Nov16Moderate
Dec23Moderate
Location & terrain

Where is Roswell?

Roswell sits at 33.4°N, 104.5°W, 3,576 ft above sea level, in United States. The nearest listed city is Carlsbad, 70 mi away.

Topography around Roswell

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

Within 2 miles, the terrain around Roswell has only modest variations in elevation — a maximum elevation change of 95 ft around an average of 3,593 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 719 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,900 ft.

The land around Roswell is covered by artificial surfaces (55%) and grassland (22%) within 2 miles, grassland (72%) within 10 miles, and grassland (91%) within 50 miles.

2 miles
95 ft
10 miles
719 ft
50 miles
6,900 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
August weather nearby: Carlsbad 70 mi · Alamogordo 90 mi · Hobbs 94 mi · Clovis 103 mi · Las Cruces 150 mi · Horizon City 153 mi · Lubbock 154 mi · Hereford 157 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 Roswell (33.3944°, -104.5249°, elevation 3,576 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).