San Juan del Río weather in August

In August, San Juan del Río sees average daytime highs of 26°C and overnight lows near 15°C, with 82 mm of rain across 12.1 wet days and about 12.7 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 20% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 12 h 54 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is San Juan del Río's 10th-clearest and 4th-windiest month. For the whole year in context, see San Juan del Río's year-round climate.

Daytime high
26°
5th warmest
Overnight low
15°
11th coldest
Rainfall
82 mm
12.1 wet days
Daylight
12 h 42 min
6:23 AM – 7:05 PM
Cloud cover
64%
10th clearest
Wind
9 km/h
4th windiest
Solar energy
6 kWh/m²
Travel score
6.2
out of 10

San Juan del Río is municipal seat of San Juan del Río, State of Querétaro, Mexico.

Density
173/km²
people per km²
Founded
1531

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 26°C through the month.

A typical August day in San Juan del Río reaches about 26°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, August runs on par with July and about 1°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12614
22614
32614
42614
52614
62614
72614
82614
92615
102615
112615
122615
132615
142615
152615
162615
172615
182615
192615
202615
212615
222615
232615
242615
252515
262515
272515
282515
292515
302515
312515

San Juan del Río weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 132.710.98.1
Feb25° / 142.511.38.4
Mar27° / 10°13311.97.9
Apr29° / 13°214.512.56.4
May29° / 14°388135.9
Jun27° / 15°9012.413.26.0
Jul26° / 15°9313.713.16.1
Aug26° / 15°8212.112.76.2
Sep25° / 14°9813.312.16.2
Oct24° / 12°43711.57.5
Nov24° / 10°163.1118.4
Dec23° / 51.310.88.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 59%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24852
34852
44852
54852
64852
74654
84654
94654
104555
114456
124456
134357
144258
154258
164258
174258
184060
194060
204060
213961
223862
233862
243763
253565
263466
273466
283466
293367
303367
313268

Chance of precipitation in August

Any precipitation

San Juan del Río gets around 82 mm of rain over 12.1 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 40% and peaks near 44% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
335
435
535
636
736
837
938
1038
1139
1240
1341
1441
1542
1642
1742
1842
1943
2043
2143
2243
2343
2443
2543
2643
2743
2844
2944
3044
3144

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 51% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
155432
255432
354442
454442
554442
654442
753452
853452
953452
1052462
1152462
1251472
1350482
1450482
1549492
1649501
1748511
1847521
1946531
2046531
2145541
2244551
2343561
2442571
2541581
2640591
2739601
2838611
2938611
3037621
3137621

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 54 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 6:18 AM to 6:27 AM, and sunset from 7:14 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:187:14
212.96:187:14
312.96:197:13
412.96:197:13
512.96:197:12
612.96:207:12
712.86:207:11
812.86:207:10
912.86:217:10
1012.86:217:09
1112.86:217:09
1212.86:227:08
1312.86:227:07
1412.76:227:07
1512.76:237:06
1612.76:237:05
1712.76:237:04
1812.76:247:04
1912.66:247:03
2012.66:247:02
2112.66:257:01
2212.66:257:01
2312.66:257:00
2412.66:256:59
2512.56:266:58
2612.56:266:57
2712.56:266:56
2812.56:266:56
2912.56:276:55
3012.46:276:54
3112.46:276:53

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6 kWh/m².

For context, solar energy here swings from a low near 4.76 kWh/m² to a high of 7.28 kWh/m² in April across the year — August's 6 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.0Intense
156.0Intense
166.0Bright
176.0Bright
185.9Bright
195.9Bright
205.9Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.7Bright
265.7Bright
275.7Bright
285.6Bright
295.6Bright
305.6Bright
315.5Bright
Planning a trip in August

Hazard calendar for San Juan del Río

In seasonPeak

In August, San Juan del Río sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

San Juan del Río's rainy season runs June–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit San Juan del Río?

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

6.2
Sightseeing
8th-best month of the year
5.9
Beach & pool
9th-best month of the year

August is a reasonable time to visit San Juan del Río for sightseeing.

What to pack for San Juan del Río in August

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

In August, San Juan del Río sees daytime highs around 26°C and nights near 15°C. Pack sun protection. Worth having: light clothes and rain gear. About 12 days see rain.

sun protectionlight clothesrain gear

UV index in San Juan del Río in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Juan del Río peaks around June 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highJun 13UV 14Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun14Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in San Juan del Río 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 San Juan del Río is worst in December — around 46 µg/m³ PM2.5 (poor), about 1.6× the cleanest month (October, 29 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorModeratePoorDec 2146 µg/m³Oct 1129 µg/m³
PM2.5 (µg/m³)Level
Jan44Poor
Feb42Poor
Mar38Poor
Apr35Poor
May35Moderate
Jun30Moderate
Jul40Poor
Aug32Moderate
Sep30Moderate
Oct29Moderate
Nov37Poor
Dec46Poor
Location & terrain

Where is San Juan del Río?

San Juan del Río sits at 20.4°N, 100.0°W, 1,923 m above sea level, in Mexico. The nearest listed city is Tequisquiapan, 18 km away.

Topography around San Juan del Río

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Juan del Río.

Within 3 km, the terrain around San Juan del Río has only modest variations in elevation — a maximum elevation change of 226 m around an average of 1,943 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 797 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,942 m.

The land around San Juan del Río is covered by artificial surfaces (54%) within 3 km, shrubs (40%) and cropland (32%) within 16 km, and shrubs (42%) and cropland (23%) within 80 km.

3 km
226 m
16 km
797 m
80 km
2,942 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Tequisquiapan 18 km · Venceremos 46 km · Santiago de Querétaro 46 km · San José de los Olvera 47 km · El Pueblito 49 km · Santa Rosa Jáuregui 61 km · Apaseo el Alto 66 km · Atlacomulco de Fabela 67 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

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 San Juan del Río (20.389°, -99.9964°, elevation 1,923 m), 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).