Jamay weather in May

In May, Jamay sees average daytime highs of 31°C and overnight lows near 17°C, with 20 mm of rain across 5.2 wet days and about 12.9 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°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 42 min at the start of May to 13 h 06 min by month's end. Set against the rest of the year, May is Jamay's 6th-clearest and 3rd-windiest month. For the whole year in context, see Jamay's year-round climate.

Daytime high
31°
1st warmest
Overnight low
17°
9th coldest
Rainfall
20 mm
5.2 wet days
Daylight
13 hours
6:18 AM – 7:16 PM
Cloud cover
41%
6th clearest
Wind
6 km/h
3rd windiest
Solar energy
7.24 kWh/m²
Travel score
5.2
out of 10

Jamay is municipal seat of Jamay, State of Jalisco, Mexico.

Density
4,915/km²
people per km²
Founded
1584

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 31°C through the month.

A typical May day in Jamay reaches about 31°C in the afternoon and slips back to 17°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°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)
13116
23116
33116
43116
53116
63117
73117
83117
93117
103117
113117
123117
133117
143117
153117
163117
173117
183117
193117
203117
213118
223118
233118
243118
253118
263118
273118
283118
293118
303118
313118

Jamay 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° / 10°161.910.98.6
Feb26° / 12°111.711.38.5
Mar28° / 13°91.311.97.8
Apr30° / 15°41.412.56.1
May31° / 17°205.212.95.2
Jun29° / 18°8816.613.24.5
Jul27° / 17°11021.513.14.8
Aug27° / 17°9720.412.74.8
Sep27° / 17°9517.112.15.3
Oct27° / 16°397.611.56.9
Nov26° / 13°142.6118.3
Dec24° / 11°61.410.88.7

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 18% of May, with mostly cloudy or overcast conditions the remaining 26%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37327
47327
57327
67426
77426
87426
97426
107426
117426
127525
137525
147624
157525
167525
177624
187624
197624
207624
217525
227525
237624
247525
257525
267525
277525
287426
297327
307228
317129

Chance of precipitation in May

Any precipitation

Jamay gets around 20 mm of rain over 5.2 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 17% and peaks near 30% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
19
210
311
411
512
612
713
813
913
1014
1114
1214
1314
1414
1514
1615
1715
1816
1916
2017
2118
2219
2320
2420
2521
2623
2724
2825
2927
3028
3130

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 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19460
29370
39280
49190
590100
687121
786131
885141
984151
1083161
1181172
1280182
1380182
1479192
1577203
1677203
1775214
1874224
1973225
2071236
2169247
2267258
2365269
24632710
25612811
26573013
27553114
28533215
29503317
30473419
31443421

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 42 min at the start of May to 13 h 06 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 6:26 AM to 6:14 AM, and sunset from 7:10 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:267:10
212.76:257:10
312.86:257:11
412.86:247:11
512.86:247:11
612.86:237:12
712.86:237:12
812.86:227:13
912.96:217:13
1012.96:217:13
1112.96:207:14
1212.96:207:14
1312.96:207:15
1412.96:197:15
1512.96:197:15
1613.06:187:16
1713.06:187:16
1813.06:187:17
1913.06:177:17
2013.06:177:18
2113.06:177:18
2213.06:167:18
2313.06:167:19
2413.16:167:19
2513.16:157:20
2613.16:157:20
2713.16:157:20
2813.16:157:21
2913.16:157:21
3013.16:157:22
3113.16:147:22

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.24 kWh/m².

For context, solar energy here swings from a low near 4.78 kWh/m² to a high of 7.48 kWh/m² in April across the year — May's 7.24 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.5Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.2Intense
197.2Intense
207.2Intense
217.2Intense
227.2Intense
237.1Intense
247.1Intense
257.0Intense
267.0Intense
277.0Intense
286.9Intense
296.9Intense
306.8Intense
316.8Intense
Planning a trip in May

Hazard calendar for Jamay

In seasonPeak

In May, Jamay sits inside its pacific hurricane season. The full year is below, with each hazard's peak months called out.

Jamay sits in the eastern Pacific hurricane zone; the season peaks August–September.

Jamay's rainy season runs June–September, when most of the year's rain falls.

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

Is May a good time to visit Jamay?

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

5.2
Sightseeing
9th-best month of the year
7.6
Beach & pool
5th-best month of the year

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

What to pack for Jamay in May

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

In May, Jamay sees daytime highs around 31°C and nights near 17°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Jamay in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Jamay peaks around May 18 at about 13 (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 highMay 18UV 13Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Jamay 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 Jamay is worst in May — around 32 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1032 µg/m³Jul 2015 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb20Moderate
Mar21Moderate
Apr31Moderate
May32Moderate
Jun17Moderate
Jul15Moderate
Aug16Moderate
Sep18Moderate
Oct18Moderate
Nov20Moderate
Dec25Moderate
Location & terrain

Where is Jamay?

Jamay sits at 20.3°N, 102.7°W, 1,569 m above sea level, in Mexico. The nearest listed city is Ocotlán, 9.0 km away.

Topography around Jamay

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

Within 3 km, the terrain around Jamay has significant variations in elevation — a maximum elevation change of 453 m around an average of 1,591 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 493 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,792 m.

The land around Jamay is covered by trees (23%), water (21%) and shrubs (20%) within 3 km, cropland (48%) and water (24%) within 16 km, and trees (31%) and cropland (31%) within 80 km.

3 km
453 m
16 km
493 m
80 km
2,792 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Ocotlán 9.0 km · La Barca 17 km · Sahuayo de Morelos 26 km · Jiquilpan de Juárez 34 km · Atotonilco el Alto 35 km · Yurécuaro 45 km · Chapala 50 km · Zapotlanejo 52 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 Jamay (20.2948°, -102.7094°, 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).