Climate and average weather in San Luis de la Paz

In San Luis de la Paz, the summers are hot, showery, and mostly clear and the winters are mild and mostly clear.

Best: early January to late April

Over the course of the year, the temperature in San Luis de la Paz typically varies from 7°C to 28°C, and is rarely below 3°C or above 32°C. May is the hottest month of the year, while January is the coldest.

Based on the travel score, the best times of year to visit San Luis de la Paz for warm-weather activities are from early January to late April and mid October to late December.

Hottest
May
28°
Coldest
Jan
Wettest
Jul
106 mm
Driest
Dec
5 mm
Rain / yr
543 mm
86 wet days
Daylight
10.7–13.3 h
shortest–longest
Elevation
2,022 m
21.3°N
Clearest
Feb
37% cloud

San Luis de la Paz is municipal seat of San Luis, State of Guanajuato, Mexico.

Air quality
Moderate
PM2.5 11 µg/m³ · 2018

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

San Luis de la Paz weather by month, at a glance

The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.

Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around early January to late April.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

Daily average highs and lows in San Luis de la Paz, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.

The hot season lasts 2.6 months, from March 26 to June 13, with daily high temperatures above 26°C. The hottest month of the year in San Luis de la Paz is May, with an average high of 28°C and low of 14°C.

The cool season lasts 3.0 months, from November 8 to February 6, with daily high temperatures below 22°C. The coldest month of the year in San Luis de la Paz is January, with an average low of 7°C and high of 21°C.

Days typically run about 13°C warmer than nights, with the widest day–night swing (around 15°C) in March.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan217
Feb239
Mar2610
Apr2813
May2814
Jun2615
Jul2414
Aug2414
Sep2314
Oct2312
Nov229
Dec217

Average hourly temperature in San Luis de la Paz

A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on May afternoons, near 28°C, and coldest before dawn in January, near C.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM

San Luis de la Paz weather by month

Every month at a glance. Click a month for its detailed page.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 122.710.87.8
Feb23° / 11211.38.5
Mar26° / 10°132.611.88.3
Apr28° / 13°184.312.57.3
May28° / 14°428.9136.4
Jun26° / 15°9213.413.36.2
Jul24° / 14°1061513.26.2
Aug24° / 14°8812.912.76.5
Sep23° / 14°10213.512.16.2
Oct23° / 12°416.711.57.3
Nov22° / 152.8118.1
Dec21° / 51.210.78.1

Chance of rain

How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.

San Luis de la Paz gets about 543 mm of precipitation a year. On a typical day the chance of rain is some rain, but that rises and falls sharply with the seasons.

The wetter season lasts 5.4 months, from around May 3 to Oct 13, peaking in June at about 56% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Dec 6.

July is the wettest month by volume, with 106 mm over about 15 wet days; December is the driest, with 5 mm.

0%10%20%30%40%50%60%70%JanFebMarAprMayJunJulAugSepOctNovDecdrierwetterdriermostly drysome rainoften wetvery wetJun 30 · 56%Dec 6 · 3%
Rain on a day (%)Rain days
Jan93
Feb72
Mar83
Apr154
May289
Jun4513
Jul4715
Aug4313
Sep4414
Oct227
Nov93
Dec41

Monthly rainfall

Over a full year, San Luis de la Paz collects about 543 mm of rain across 86 wet days — roughly 45 mm in an average month.

It doesn’t fall evenly. July is the wettest month with 106 mm, while December is the driest at just 5 mm. The three wettest months alone bring about 55% of the year’s total.

0255075100125JanFebMarAprMayJunJulAugSepOctNovDec1211131842921068810241155
Rainfall (mm)Rain days
Jan123
Feb112
Mar133
Apr184
May429
Jun9213
Jul10615
Aug8813
Sep10214
Oct417
Nov153
Dec51

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

How often the daytime sky is clear, partly cloudy or overcast.

In San Luis de la Paz, the average share of the sky covered by clouds shows significant seasonal variation over the course of the year.

The clearer part of the year begins around October 28 and lasts for 7.5 months, ending around June 13. The clearest month is March, when the sky is clear, mostly clear, or partly cloudy 73% of the time on average.

The cloudier part of the year begins around June 14 and lasts for 4.5 months, ending around October 27. The cloudiest month is September, when it is overcast or mostly cloudy 61% of the time.

0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JanFebMarAprMayJunJulAugSepOctNovDecMar 20 · 74%Sep 6 · 37%clearmostly clearpartly cloudymostly cloudyovercastclearercloudierclearer
Clearer (%)Cloudier (%)
Jan6436
Feb7030
Mar7327
Apr6832
May7228
Jun5644
Jul4852
Aug4951
Sep3961
Oct5149
Nov6634
Dec6634

Daylight, sunrise and sunset

DaylightNight

Hours of daylight through the year, with sunrise and sunset times.

The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. The longest day, around June 8, brings about 13 h 18 min of light; the shortest, around January 1, only 10 h 42 min — a swing of roughly 2 h 36 min.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan10.87:266:16
Feb11.37:186:35
Mar11.86:566:47
Apr12.56:286:57
May13.06:087:09
Jun13.36:047:21
Jul13.26:127:23
Aug12.76:247:08
Sep12.16:336:40
Oct11.56:426:12
Nov11.06:585:56
Dec10.77:176:00

Sunny days

How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.

San Luis de la Paz averages about 13 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 6 and 19 days.

The sunnier stretch runs 7.5 months, from around Oct 26 to Jun 9. The sunniest month is February, with roughly 18 sunny days (bright).

The greyest month is September, down near 6 sunny days — about 66% fewer than the February peak.

0510152025JanFebMarAprMayJunJulAugSepOctNovDecsunniergreyersunniergloomymixedbrightbrilliantFeb 2419 daysSep 106 days
Sunny daysSky
Jan16Bright
Feb17Bright
Mar18Bright
Apr15Mixed
May15Mixed
Jun11Mixed
Jul7Gloomy
Aug8Gloomy
Sep6Gloomy
Oct11Mixed
Nov16Bright
Dec16Bright

Humidity comfort

DryComfortableHumidMuggyOppressiveMiserable

Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.

Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.

In San Luis de la Paz, the air stays dry or comfortable essentially all year. Even in September, the muggiest month, it feels humid or worse only about 6% of the time — humidity is not something you need to plan around here.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDeccomfortabledry
Dry (%)Comfortable (%)Humid (%)
Jan10000
Feb10000
Mar9910
Apr9640
May79201
Jun40564
Jul27703
Aug30664
Sep32626
Oct68302
Nov9640
Dec10000

Wind

Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.

This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.

Wind in San Luis de la Paz is steady company: average speeds sit near 10 km/hcalm — in every month of the year, with no meaningful windy or calm season.

051015JanFebMarAprMayJunJulAugSepOctNovDeccalmlight breezeApr 6 · 11 km/hDec 5 · 9 km/h
Wind speed (km/h)Feels
Jan9calm
Feb10calm
Mar11calm
Apr10calm
May9calm
Jun10calm
Jul10calm
Aug10calm
Sep10calm
Oct9calm
Nov9calm
Dec9calm

Hazard calendar for San Luis de la Paz

In seasonPeak

When the seasonal hazards worth planning around — the rainy season, tropical-cyclone risk and dust haze — are active through the year.

San Luis de la Paz'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

Best time to visit San Luis de la Paz

TravelBeach/poolTemperatureCloudsPrecipitation

To characterize how pleasant the weather is in San Luis de la Paz throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.

Around mid April, San Luis de la Paz is still near the tail of its best-weather window — great conditions with the peak-season crowds already thinning.

Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.

The travel score favors clear, rainless days with daytime highs between 18°C and 28°C. Based on this score, the best time of year to visit San Luis de la Paz for general outdoor tourist activities is from mid October to late April, with a peak score in the last week of February.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timebest timetravel scoretemperaturecloudsprecipitationFeb 23 · 8.9

The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Travel score (0–10)Rating
Jan7.8ideal
Feb8.5ideal
Mar8.3ideal
Apr7.3good
May6.4good
Jun6.2good
Jul6.2good
Aug6.4good
Sep6.2good
Oct7.3good
Nov8.1ideal
Dec8.1ideal

The beach/pool score favors clear, rainless days with daytime highs between 24°C and 34°C. Based on this score, the best time of year to visit San Luis de la Paz for hot-weather activities is from mid February to mid June, with a peak score in the first week of April.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebeach/pool scoretemperaturecloudsprecipitationApr 2 · 8.0

The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

What to pack for San Luis de la Paz, by month

EssentialRecommendedOptional

Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.

For a warm-season trip around May (highs near 28°C), the essentials are light clothes, rain gear and sun protection. In the cold season around January (highs near 21°C), pack a warm layer and sun protection.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In May, San Luis de la Paz sees daytime highs around 28°C and nights near 14°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

UV index (midday) in San Luis de la Paz by month

LowModerateHighVery highExtreme

Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.

Under clear skies, the midday UV index in San Luis de la Paz peaks around June 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 highJun 14UV 14Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar13Extreme
Apr13Extreme
May13Extreme
Jun14Extreme
Jul12Extreme
Aug14Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Average hourly UV index in San Luis de la Paz

LowModerateHighVery highExtreme

Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.

The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

UV falls off far faster than brightness as the sun drops, so even in June the burn window is concentrated in the middle of the day: about 9 hours a day reach index 3 (protection recommended), and 7 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM
UV ≥ 3 (h/day)UV ≥ 6 (h/day)
Jan63.5
Feb75
Mar86
Apr8.56.5
May8.56.5
Jun97
Jul8.56.5
Aug8.56.5
Sep7.55.5
Oct75
Nov6.53.5
Dec63
Almanac & agriculture

Growing season

Chance of a frost-free dayFrost-free year round

San Luis de la Paz is frost-free year round — even the coldest nights rarely reach freezing, so there is no start or end to the growing season.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDecfrost-free year round
Frost-free chance (%)Frost nights
Jan990
Feb1000
Mar1000
Apr1000
May1000
Jun1000
Jul1000
Aug1000
Sep1000
Oct1000
Nov1000
Dec1000

Growing degree days

Degree days (base 10°C)Frost-free shaded

Growing degree days tally heat above 10°C: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. San Luis de la Paz banks about 2,839 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around May.

01,0002,0003,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan118
Feb163
Mar247
Apr306
May347
Jun311
Jul289
Aug287
Sep254
Oct220
Nov164
Dec133

Solar energy

Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.

Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.

San Luis de la Paz receives about 5.8 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 4.5 and 7.2 kWh/m².

The brighter stretch of the year lasts 6.2 months, from around Feb 19 to Aug 26. The brightest month is April, averaging about 7.2 kWh/m² (intense).

The dimmest month is December, down near 4.5 kWh/m² — roughly 37% less than the April peak.

012345678JanFebMarAprMayJunJulAugSepOctNovDecdimmerbrighterdimmerdimmoderatebrightintenseApr 297.2 kWhDec 214.5 kWh
Solar energy (kWh/m²)Level
Jan4.7Bright
Feb5.6Bright
Mar6.5Intense
Apr7.2Intense
May7.2Intense
Jun6.5Intense
Jul6.2Intense
Aug6.1Intense
Sep5.2Bright
Oct5.0Bright
Nov4.6Bright
Dec4.5Bright

Where is San Luis de la Paz?

San Luis de la Paz sits at 21.3°N, 100.5°W, 2,022 m above sea level, in Mexico. The nearest listed city is San José Iturbide, 36 km away.

Topography around San Luis de la Paz

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Luis de la Paz.

Within 3 km, the terrain around San Luis de la Paz has significant variations in elevation — a maximum elevation change of 329 m around an average of 2,053 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 719 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,692 m.

The land around San Luis de la Paz is covered by shrubs (47%) and artificial surfaces (34%) within 3 km, shrubs (68%) and cropland (22%) within 16 km, and shrubs (63%) within 80 km.

3 km
329 m
16 km
719 m
80 km
2,692 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
Nearby: San José Iturbide 36 km · Dolores Hidalgo 46 km · San Miguel de Allende 49 km · Santa Rosa Jáuregui 62 km · Comonfort 69 km · San Felipe 75 km · Santiago de Querétaro 80 km · Guanajuato 83 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 Luis de la Paz (21.2984°, -100.5148°, elevation 2,022 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).