Rio Rico weather in August

In August, Rio Rico sees average daytime highs of 88°F and overnight lows near 67°F, with 2.9 in of rain across 14 wet days and about 13.1 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 88°F through the month. The sky is clear or mostly clear about 44% of the time in August, and the air most often feels humid.

Daylight stretches from about 13 h 36 min at the start of August to 12 h 42 min by month's end. Set against the rest of the year, August is Rio Rico's 11th-clearest and 12th-windiest month. For the whole year in context, see Rio Rico's year-round climate.

Daytime high
88°
3rd warmest
Overnight low
67°
11th coldest
Rainfall
2.9 in
14 wet days
Daylight
13 h 12 min
5:53 AM – 7:03 PM
Cloud cover
47%
11th clearest
Wind
4 mph
12th windiest
Solar energy
6.4 kWh/m²
Travel score
4.1
out of 10

Rio Rico is census-designated place in Santa Cruz County, Arizona, United States.

Density
117/km²
people per km²

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 88°F through the month.

A typical August day in Rio Rico reaches about 88°F in the afternoon and slips back to 67°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 82°F and 95°F. Set against its neighbours, August runs about 2°F cooler than July and about 2°F warmer than September.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
18969
28969
38969
48968
58968
68968
78968
88968
98968
108968
118968
128968
138968
148968
158868
168868
178867
188867
198867
208867
218867
228867
238867
248867
258867
268867
278867
288867
298867
308866
318866

How August really feels in Rio Rico

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

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Rio Rico 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
Jan62° / 37°1.13.70.410.26.3
Feb64° / 40°1.24.50.410.96.8
Mar69° / 44°0.83.10.311.87.9
Apr76° / 49°0.31.50.112.78.8
May85° / 56°0.21.2013.67.1
Jun92° / 65°0.32.30144.1
Jul91° / 69°3.213.5013.83.5
Aug88° / 67°2.914013.14.1
Sep86° / 64°1.56.5012.25.7
Oct79° / 54°0.72.7011.28.3
Nov69° / 44°0.72.50.110.48.1
Dec61° / 37°1.24.40.5106.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 25% of August, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26238
36238
46337
56535
66535
76634
86634
96832
106832
116832
126931
136931
146931
156931
166931
176931
186931
197030
207030
217030
227129
237129
247228
257228
267228
277228
287228
297327
307426
317426

Chance of precipitation in August

Any precipitation

Rio Rico gets around 2.9 in of rain over 14 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 45% and peaks near 49% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
149
249
348
448
548
647
747
846
946
1045
1145
1245
1345
1445
1545
1645
1745
1844
1944
2044
2144
2244
2344
2444
2543
2643
2742
2842
2941
3040
3140

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
114274118
214274118
314274118
413274118
513274118
613284118
713284118
813284117
913294117
1013294117
1113294117
1213294117
1313294117
1413294217
1513294216
1613294216
1713294216
1813284216
1914284316
2015274315
2115274315
2216264414
2317254414
2418254413
2519244413
2620244312
2721244312
2822244211
2923244211
3024244110
3126244010

Wind in August

Winds average 4 mph in August, the calmest month.

Across August, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 36 min at the start of August to 12 h 42 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 5:43 AM to 6:03 AM, and sunset from 7:16 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:437:16
213.55:447:16
313.55:457:15
413.55:457:14
513.55:467:13
613.45:477:12
713.45:477:12
813.45:487:11
913.45:497:10
1013.35:497:09
1113.35:507:08
1213.35:517:07
1313.25:517:06
1413.25:527:05
1513.25:537:04
1613.25:537:03
1713.15:547:02
1813.15:557:01
1913.15:556:59
2013.05:566:58
2113.05:566:57
2213.05:576:56
2313.05:586:55
2412.95:586:54
2512.95:596:53
2612.96:006:51
2712.86:006:50
2812.86:016:49
2912.86:026:48
3012.76:026:46
3112.76:036:45

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.4 kWh/m².

For context, solar energy here swings from a low near 3.49 kWh/m² to a high of 8.29 kWh/m² in May across the year — August's 6.4 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.1Intense
316.1Intense
Planning a trip in August

Is August a good time to visit Rio Rico?

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

4.1
Sightseeing
10th-best month of the year
6.2
Beach & pool
6th-best month of the year

August is a reasonable time to visit Rio Rico for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Rio Rico in August

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

In August, Rio Rico sees daytime highs around 88°F and nights near 67°F. Pack light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Rio Rico 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 Rio Rico peaks around June 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 highHighModerateJun 22UV 12Dec 19UV 4
UV index (midday)Level
Jan4Moderate
Feb5High
Mar7High
Apr10Very high
May10Very high
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct7Very high
Nov5High
Dec4Moderate
Location & terrain

Where is Rio Rico?

Rio Rico sits at 31.5°N, 111.0°W, 3,481 ft above sea level, in United States. The nearest listed city is Nogales, 9.3 mi away.

Topography around Rio Rico

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

Within 2 miles, the terrain around Rio Rico has only modest variations in elevation — a maximum elevation change of 604 ft around an average of 3,524 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,822 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,339 ft.

The land around Rio Rico is covered by shrubs (63%) within 2 miles, shrubs (74%) within 10 miles, and shrubs (80%) within 50 miles.

2 miles
604 ft
10 miles
2,822 ft
50 miles
7,339 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
August weather nearby: Nogales 9.3 mi · Nogales 11 mi · Green Valley 27 mi · Sahuarita 34 mi · Sierra Vista 40 mi · Vail 43 mi · Drexel Heights 47 mi · Tucson 52 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 Rio Rico (31.4715°, -110.9765°, elevation 3,481 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).