San José del Castillo weather in April

In April, San José del Castillo sees average daytime highs of 31°C and overnight lows near 15°C, with 4 mm of rain across 1.2 wet days and about 12.5 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 31°C by the end. The sky is clear or mostly clear about 59% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 12 min at the start of April to 12 h 42 min by month's end. Set against the rest of the year, April is San José del Castillo's 4th-clearest and 1st-windiest month. For the whole year in context, see San José del Castillo's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
15°
6th coldest
Rainfall
4 mm
1.2 wet days
Daylight
12 h 30 min
6:39 AM – 7:07 PM
Cloud cover
38%
4th clearest
Wind
7 km/h
1st windiest
Solar energy
7.58 kWh/m²
Travel score
5.9
out of 10

San José del Castillo is town in El Salto Municipality, State of Jalisco, Mexico.

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 30°C in the first days to 31°C by the end.

A typical April day in San José del Castillo reaches about 31°C in the afternoon and slips back to 15°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, April runs about 2°C warmer than March and about 1°C cooler than May.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13014
23014
33014
43014
53014
63014
73014
83014
93014
103015
113015
123015
133115
143115
153115
163115
173115
183115
193115
203115
213115
223115
233115
243115
253115
263116
273116
283116
293216
303216

San José del Castillo weather by month

How April compares with the rest of the year at a glance. April is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 10°171.910.98.6
Feb26° / 12°111.711.38.5
Mar28° / 13°71.111.97.6
Apr31° / 15°41.212.55.9
May32° / 17°174.4134.9
Jun29° / 18°11318.113.24.2
Jul27° / 17°16724.613.14.4
Aug27° / 17°14522.912.74.6
Sep26° / 17°13019.212.15.1
Oct26° / 15°438.211.57.0
Nov26° / 13°122.1118.4
Dec24° / 11°61.210.88.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 27%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17525
27426
37426
47327
57327
67327
77327
87228
97228
107327
117327
127228
137228
147228
157228
167228
177228
187228
197129
207228
217228
227228
237327
247327
257228
267327
277327
287426
297426
307426

Chance of precipitation in April

Any precipitation

San José del Castillo gets around 4 mm of rain over 1.2 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 4% and peaks near 6% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
13
23
33
44
54
64
74
84
94
104
114
124
134
144
154
164
174
183
193
203
214
224
234
244
254
264
275
285
296
306

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
201000
211000
221000
231000
241000
25991
26991
27991
28991
29982
30982

Wind in April

Winds average 7 km/h in April, the windiest month of the year.

Across April, 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.

0246810151015202530
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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over April. Sunrise moves from 6:52 AM to 6:29 AM, and sunset from 7:03 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:527:03
212.26:517:03
312.26:507:03
412.26:507:04
512.36:497:04
612.36:487:04
712.36:477:05
812.36:467:05
912.36:457:05
1012.46:447:05
1112.46:437:06
1212.46:427:06
1312.46:427:06
1412.46:417:07
1512.56:407:07
1612.56:397:07
1712.56:387:08
1812.56:377:08
1912.56:377:08
2012.56:367:09
2112.66:357:09
2212.66:347:09
2312.66:347:10
2412.66:337:10
2512.66:327:10
2612.76:317:11
2712.76:317:11
2812.76:307:11
2912.76:297:12
3012.76:297:12

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 7.58 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.76 kWh/m² to a high of 7.58 kWh/m² in April across the year — April's 7.58 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.4Intense
47.4Intense
57.4Intense
67.5Intense
77.5Intense
87.5Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.6Intense
157.6Intense
167.6Intense
177.6Intense
187.6Intense
197.6Intense
207.6Intense
217.6Intense
227.6Intense
237.7Intense
247.7Intense
257.7Intense
267.7Intense
277.7Intense
287.7Intense
297.7Intense
307.7Intense
Planning a trip in April

Hazard calendar for San José del Castillo

In seasonPeak

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

San José del Castillo'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 April a good time to visit San José del Castillo?

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

5.9
Sightseeing
7th-best month of the year
8.4
Beach & pool
2nd-best month of the year

April is a reasonable time to visit San José del Castillo for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San José del Castillo in April

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

In April, San José del Castillo sees daytime highs around 31°C and nights near 15°C. Pack light clothes and sun protection.

light clothessun protection

UV index in San José del Castillo in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (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 José del Castillo peaks around May 13 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 highMay 13UV 14Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May14Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in San José del Castillo in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in San José del Castillo is worst in May — around 44 µg/m³ PM2.5 (poor), about 3.2× the cleanest month (July, 14 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1342 µg/m³Jul 2114 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb18Moderate
Mar20Moderate
Apr33Moderate
May44Poor
Jun17Moderate
Jul14Moderate
Aug15Moderate
Sep17Moderate
Oct17Moderate
Nov18Moderate
Dec21Moderate
Location & terrain

Where is San José del Castillo?

San José del Castillo sits at 20.5°N, 103.2°W, 1,569 m above sea level, in Mexico. The nearest listed city is San José del Quince, 6.0 km away.

Topography around San José del Castillo

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

Within 3 km, the terrain around San José del Castillo has only modest variations in elevation — a maximum elevation change of 222 m around an average of 1,551 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 824 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,364 m.

The land around San José del Castillo is covered by artificial surfaces (36%), cropland (25%) and grassland (23%) within 3 km, cropland (31%) and artificial surfaces (26%) within 16 km, and trees (32%) and cropland (25%) within 80 km.

3 km
222 m
16 km
824 m
80 km
2,364 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: San José del Quince 6.0 km · Las Pintitas 9.0 km · Las Pintas de Arriba 12 km · Tonalá 12 km · Hacienda Santa Fe 15 km · Tlaquepaque 16 km · Coyula 17 km · Lomas del Sur 19 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 José del Castillo (20.5117°, -103.2369°, elevation 1,569 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).