Nicolás Romero weather in July

In July, Nicolás Romero sees average daytime highs of 23°C and overnight lows near 13°C, with 104 mm of rain across 17.3 wet days and about 13.1 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 13% of the time in July, and the air most often feels dry.

Daylight stretches from about 13 h 12 min at the start of July to 12 h 54 min by month's end. Set against the rest of the year, July is Nicolás Romero's 10th-clearest and 9th-windiest month. For the whole year in context, see Nicolás Romero's year-round climate.

Daytime high
23°
5th warmest
Overnight low
13°
11th coldest
Rainfall
104 mm
17.3 wet days
Daylight
13 h 06 min
6:10 AM – 7:15 PM
Cloud cover
69%
10th clearest
Wind
7 km/h
9th windiest
Solar energy
5.96 kWh/m²
Travel score
5.6
out of 10

Nicolás Romero is municipal seat of Romero, State of México, Mexico.

Founded
1820

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical July day in Nicolás Romero reaches about 23°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 26°C. Set against its neighbours, July runs about 1°C cooler than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12313
22313
32313
42313
52313
62313
72313
82313
92313
102313
112313
122313
132313
142313
152313
162313
172313
182313
192313
202313
212313
222313
232313
242313
252413
262413
272413
282413
292413
302413
312413

Nicolás Romero weather by month

How July compares with the rest of the year at a glance. July 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
Jan21° / 173.510.97.8
Feb23° / 163.311.38.3
Mar25° / 21511.98.1
Apr26° / 11°387.112.47.2
May26° / 12°5410.112.96.8
Jun25° / 13°11415.213.25.9
Jul23° / 13°10417.313.15.6
Aug23° / 13°10717.112.75.6
Sep22° / 13°12517.612.15.4
Oct22° / 11°6611.211.56.4
Nov22° / 224.711.17.7
Dec21° / 102.310.88.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32773
42872
52971
62971
73169
83268
93367
103367
113466
123664
133664
143763
153763
163763
173763
183763
193763
203862
213763
223763
233862
243862
253862
263862
273961
284060
294060
304060
314159

Chance of precipitation in July

Any precipitation

Nicolás Romero gets around 104 mm of rain over 17.3 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 56% and peaks near 66% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
166
266
365
465
564
664
763
862
961
1060
1159
1258
1357
1456
1556
1655
1754
1854
1953
2053
2152
2252
2351
2450
2550
2649
2749
2849
2949
3049
3148

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
17129
27228
37327
47426
57525
67624
77723
87822
98020
108119
118218
128317
138416
148515
158614
168713
178713
188713
198812
208812
218812
228911
238911
248911
258911
269010
278911
288911
298911
308911
318911

Wind in July

Winds average 7 km/h in July.

Across July, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 12 min at the start of July to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over July. Sunrise moves from 6:05 AM to 6:16 AM, and sunset from 7:16 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:057:16
213.26:067:16
313.26:067:16
413.26:067:16
513.26:077:16
613.26:077:16
713.16:077:16
813.16:087:16
913.16:087:16
1013.16:087:16
1113.16:097:16
1213.16:097:16
1313.16:097:16
1413.16:107:16
1513.16:107:15
1613.16:107:15
1713.16:117:15
1813.16:117:15
1913.16:127:15
2013.06:127:14
2113.06:127:14
2213.06:137:14
2313.06:137:14
2413.06:137:13
2513.06:147:13
2613.06:147:13
2713.06:147:12
2813.06:157:12
2912.96:157:12
3012.96:167:11
3112.96:167:11

Solar energy in July

Daily solar energy (kWh/m²)

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

For context, solar energy here swings from a low near 4.9 kWh/m² to a high of 7.1 kWh/m² in April across the year — July's 5.96 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
146.0Bright
156.0Bright
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in July

Hazard calendar for Nicolás Romero

In seasonPeak

In July, Nicolás Romero sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Nicolás Romero's rainy season runs June–October, when most of the year's rain falls.

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

Is July a good time to visit Nicolás Romero?

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

5.6
Sightseeing
10th-best month of the year
4.5
Beach & pool
10th-best month of the year

July is a reasonable time to visit Nicolás Romero for sightseeing.

What to pack for Nicolás Romero in July

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

In July, Nicolás Romero sees daytime highs around 23°C and nights near 13°C. Pack rain gear. Worth having: light clothes and sun protection. About 17 days see rain.

rain gearlight clothessun protection

UV index in Nicolás Romero in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nicolás Romero peaks around June 16 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 16UV 14Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun14Extreme
Jul12Extreme
Aug14Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Nicolás Romero in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Nicolás Romero is worst in December — around 179 µg/m³ PM2.5 (very unhealthy), and holds fairly steady the rest of the year.

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

0306090120150180210JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyVery unhealthyDec 11178 µg/m³Apr 14115 µg/m³
PM2.5 (µg/m³)Level
Jan149Unhealthy
Feb141Unhealthy
Mar126Unhealthy
Apr113Unhealthy
May134Unhealthy
Jun126Unhealthy
Jul135Unhealthy
Aug127Unhealthy
Sep136Unhealthy
Oct137Unhealthy
Nov174Very unhealthy
Dec179Very unhealthy
Location & terrain

Where is Nicolás Romero?

Nicolás Romero sits at 19.6°N, 99.3°W, 2,404 m above sea level, in Mexico. The nearest listed city is Huilango, 7.0 km away.

Topography around Nicolás Romero

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nicolás Romero.

Within 3 km, the terrain around Nicolás Romero has only modest variations in elevation — a maximum elevation change of 201 m around an average of 2,382 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 829 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,271 m.

The land around Nicolás Romero is covered by artificial surfaces (44%) within 3 km, trees (32%) and artificial surfaces (31%) within 16 km, and cropland (29%) and trees (27%) within 80 km.

3 km
201 m
16 km
829 m
80 km
3,271 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Huilango 7.0 km · Cuautitlán Izcalli 10 km · Ciudad López Mateos 11 km · Tepotzotlán 12 km · Cuautitlán 14 km · Tultitlán de Mariano Escobedo 15 km · Buenavista 15 km · Tlalnepantla 16 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 Nicolás Romero (19.6418°, -99.3068°, elevation 2,404 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).