San Pedro Ayampuc weather in May

In May, San Pedro Ayampuc sees average daytime highs of 29°C and overnight lows near 17°C, with 71 mm of rain across 11.6 wet days and about 12.7 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 28°C by the end. The sky is clear or mostly clear about 12% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 48 min by month's end. Set against the rest of the year, May is San Pedro Ayampuc's 10th-clearest and 10th-windiest month. For the whole year in context, see San Pedro Ayampuc's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
17°
12th coldest
Rainfall
71 mm
11.6 wet days
Daylight
12 h 42 min
5:38 AM – 6:19 PM
Cloud cover
73%
10th clearest
Wind
5 km/h
10th windiest
Solar energy
5.54 kWh/m²
Travel score
4.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 30°C in the first days to 28°C by the end.

A typical May day in San Pedro Ayampuc reaches about 29°C in the afternoon and slips back to 17°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, May runs about 1°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13017
23017
33017
43017
53017
63017
73017
83017
93017
103017
113017
123017
133017
143017
152917
162917
172917
182917
192917
202917
212917
222917
232917
242917
252917
262917
272917
282917
292817
302817
312817

San Pedro Ayampuc weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 13°20.511.28.6
Feb28° / 14°20.611.58.0
Mar29° / 15°71.511.96.8
Apr30° / 16°244.512.35.6
May29° / 17°7111.612.74.9
Jun28° / 17°13118.312.94.8
Jul28° / 17°5910.612.85.9
Aug28° / 17°7012.812.55.2
Sep28° / 17°1211812.14.8
Oct26° / 16°9712.111.76.1
Nov26° / 15°23311.37.8
Dec26° / 14°50.911.18.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24456
34357
44159
54159
63961
73862
83664
93664
103466
113367
123169
133070
142773
152773
162575
172476
182377
192179
202179
212080
222080
231981
241981
251882
261783
271783
281783
291783
301585
311486

Chance of precipitation in May

Any precipitation

San Pedro Ayampuc gets around 71 mm of rain over 11.6 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 38% and peaks near 57% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
122
222
323
424
524
625
726
826
927
1028
1130
1231
1332
1434
1535
1637
1738
1840
1941
2043
2144
2246
2347
2449
2550
2651
2753
2854
2955
3056
3157

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 48% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12053261
21954261
31854271
41755271
51655281
61555291
71456291
81455301
91355311
101255321
111155331
121154341
131054351
141053361
15952381
16852391
17851401
18750421
19749431
20747442
21646462
22645472
23643492
24641503
25639523
26637534
27535564
28532594
29530605
30429625
31427645

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 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
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 5:43 AM to 5:35 AM, and sunset from 6:15 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:436:15
212.55:436:15
312.55:426:15
412.65:426:15
512.65:416:16
612.65:416:16
712.65:416:16
812.65:406:16
912.65:406:17
1012.65:396:17
1112.65:396:17
1212.65:396:17
1312.75:386:18
1412.75:386:18
1512.75:386:18
1612.75:386:19
1712.75:376:19
1812.75:376:19
1912.75:376:19
2012.75:376:20
2112.75:366:20
2212.75:366:20
2312.75:366:21
2412.85:366:21
2512.85:366:21
2612.85:366:22
2712.85:356:22
2812.85:356:22
2912.85:356:23
3012.85:356:23
3112.85:356:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.54 kWh/m².

For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 6.19 kWh/m² in April across the year — May's 5.54 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Bright
36.0Bright
45.9Bright
55.9Bright
65.9Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.6Bright
145.6Bright
155.6Bright
165.5Bright
175.5Bright
185.5Bright
195.4Bright
205.4Bright
215.4Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.1Bright
Planning a trip in May

Hazard calendar for San Pedro Ayampuc

In seasonPeak

In May, San Pedro Ayampuc sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

San Pedro Ayampuc's rainy season runs May–October, 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 Pedro Ayampuc?

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

4.9
Sightseeing
10th-best month of the year
6.4
Beach & pool
7th-best month of the year

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

What to pack for San Pedro Ayampuc in May

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

In May, San Pedro Ayampuc sees daytime highs around 29°C and nights near 17°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in San Pedro Ayampuc 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 San Pedro Ayampuc peaks around April 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 13UV 14Dec 14UV 9
UV index (midday)Level
Jan10Extreme
Feb13Extreme
Mar14Extreme
Apr15Extreme
May13Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in San Pedro Ayampuc 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 Pedro Ayampuc is worst in April — around 48 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (August, 22 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 1846 µg/m³Aug 1422 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb26Moderate
Mar31Moderate
Apr48Poor
May37Poor
Jun25Moderate
Jul23Moderate
Aug22Moderate
Sep24Moderate
Oct23Moderate
Nov22Moderate
Dec24Moderate
Location & terrain

Where is San Pedro Ayampuc?

San Pedro Ayampuc sits at 14.8°N, 90.5°W, 1,179 m above sea level, in Guatemala. The nearest listed city is Chinautla, 10 km away.

San José PinulaSanarate

Topography around San Pedro Ayampuc

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

Within 3 km, the terrain around San Pedro Ayampuc has large variations in elevation — a maximum elevation change of 638 m around an average of 1,232 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,412 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,921 m.

The land around San Pedro Ayampuc is covered by trees (48%), grassland (30%) and shrubs (20%) within 3 km, trees (50%) and grassland (23%) within 16 km, and trees (67%) within 80 km.

3 km
638 m
16 km
1,412 m
80 km
3,921 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Chinautla 10 km · Palencia 16 km · Guatemala City 17 km · San Juan Sacatepéquez 22 km · Mixco 23 km · Santa Catarina Pinula 24 km · San José Pinula 26 km · Sanarate 27 km

Guatemala travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
23.4
per 100k, 2023
Road deaths
22.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 510
Religion
Evangelical 46%Roman Catholic 42%none 11%

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 Pedro Ayampuc (14.7794°, -90.4532°, elevation 1,179 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).