San Francisco del Rincón weather in May

In May, San Francisco del Rincón sees average daytime highs of 32°C and overnight lows near 16°C, with 27 mm of rain across 5.6 wet days and about 13 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 56% of the time in May, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of May to 13 h 12 min by month's end. Set against the rest of the year, May is San Francisco del Rincón's 6th-clearest and 3rd-windiest month. For the whole year in context, see San Francisco del Rincón's year-round climate.

Daytime high
32°
1st warmest
Overnight low
16°
11th coldest
Rainfall
27 mm
5.6 wet days
Daylight
13 hours
6:14 AM – 7:14 PM
Cloud cover
40%
6th clearest
Wind
8 km/h
3rd windiest
Solar energy
7.52 kWh/m²
Travel score
4.9
out of 10

San Francisco del Rincón is municipal seat of San Francisco, State of Guanajuato, Mexico.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical May day in San Francisco del Rincón reaches about 32°C in the afternoon and slips back to 16°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 35°C. Set against its neighbours, May runs about 1°C warmer than April and about 2°C warmer than June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13115
23116
33116
43116
53116
63116
73116
83216
93216
103216
113216
123216
133216
143216
153216
163216
173216
183216
193216
203217
213217
223217
233217
243217
253217
263217
273217
283217
293217
303217
313117

San Francisco del Rincón weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 132.210.98.5
Feb26° / 10°101.611.38.5
Mar28° / 12°81.511.97.6
Apr31° / 14°71.712.55.8
May32° / 16°275.6134.9
Jun30° / 17°11313.713.34.8
Jul27° / 16°13518.313.15.3
Aug27° / 16°11816.712.75.5
Sep27° / 16°10014.212.15.8
Oct27° / 14°346.311.57.2
Nov26° / 11°102.1118.4
Dec24° / 61.210.78.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 24%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27228
37228
47228
57228
67327
77327
87327
97426
107426
117426
127525
137525
147624
157624
167723
177723
187822
197822
207921
217921
227822
237822
247822
257822
267822
277723
287723
297723
307624
317426

Chance of precipitation in May

Any precipitation

San Francisco del Rincón gets around 27 mm of rain over 5.6 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 18% and peaks near 25% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
110
211
312
412
513
614
715
816
916
1017
1117
1217
1318
1418
1518
1618
1718
1819
1919
2019
2119
2219
2320
2420
2520
2621
2721
2822
2923
3024
3125

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39820
49820
59820
69730
79730
89640
99640
109640
119550
129550
139550
149460
159460
169370
179370
189280
199280
209190
2189101
2289101
2388111
2487121
2586131
2684142
2783152
2882162
2980173
3079183
3177194

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 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
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

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

Days grow by about 24 minutes over May. Sunrise moves from 6:22 AM to 6:10 AM, and sunset from 7:07 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:227:07
212.86:217:08
312.86:217:08
412.86:207:09
512.86:197:09
612.86:197:09
712.96:187:10
812.96:187:10
912.96:177:11
1012.96:177:11
1112.96:167:11
1212.96:167:12
1313.06:157:12
1413.06:157:13
1513.06:147:13
1613.06:147:14
1713.06:137:14
1813.06:137:14
1913.06:137:15
2013.16:127:15
2113.16:127:16
2213.16:127:16
2313.16:117:17
2413.16:117:17
2513.16:117:17
2613.16:117:18
2713.16:107:18
2813.16:107:19
2913.26:107:19
3013.26:107:20
3113.26:107:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.52 kWh/m².

For context, solar energy here swings from a low near 4.83 kWh/m² to a high of 7.59 kWh/m² in April across the year — May's 7.52 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.7Intense
27.6Intense
37.6Intense
47.6Intense
57.6Intense
67.6Intense
77.6Intense
87.6Intense
97.6Intense
107.6Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.5Intense
187.5Intense
197.5Intense
207.5Intense
217.5Intense
227.5Intense
237.5Intense
247.5Intense
257.4Intense
267.4Intense
277.4Intense
287.4Intense
297.3Intense
307.3Intense
317.3Intense
Planning a trip in May

Hazard calendar for San Francisco del Rincón

In seasonPeak

None of San Francisco del Rincón's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

San Francisco del Rincón'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 May a good time to visit San Francisco del Rincón?

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

4.9
Sightseeing
11th-best month of the year
7.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit San Francisco del Rincón for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Francisco del Rincón in May

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

In May, San Francisco del Rincón sees daytime highs around 32°C and nights near 16°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in San Francisco del Rincón in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Francisco del Rincón peaks around April 23 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 23UV 14Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar13Extreme
Apr14Extreme
May14Extreme
Jun14Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in San Francisco del Rincón 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 San Francisco del Rincón is worst in May — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1420 µg/m³Oct 1814 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb17Moderate
Mar16Moderate
Apr17Moderate
May21Moderate
Jun15Moderate
Jul16Moderate
Aug15Moderate
Sep17Moderate
Oct14Moderate
Nov16Moderate
Dec20Moderate
Location & terrain

Where is San Francisco del Rincón?

San Francisco del Rincón sits at 21.0°N, 101.9°W, 1,764 m above sea level, in Mexico. The nearest listed city is Purísima de Bustos, 2.0 km away.

Topography around San Francisco del Rincón

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

Within 3 km, the terrain around San Francisco del Rincón has only modest variations in elevation — a maximum elevation change of 87 m around an average of 1,761 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 472 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,399 m.

The land around San Francisco del Rincón is covered by artificial surfaces (55%) and cropland (23%) within 3 km, cropland (38%), shrubs (31%) and grassland (20%) within 16 km, and shrubs (35%) and cropland (33%) within 80 km.

3 km
87 m
16 km
472 m
80 km
1,399 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Purísima de Bustos 2.0 km · Centro Familiar la Soledad 17 km · La Ermita 20 km · León de los Aldama 22 km · Medina 28 km · Lagos de Moreno 39 km · Romita 39 km · Silao de la Victoria 46 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 Francisco del Rincón (21.0189°, -101.8584°, elevation 1,764 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).