Momostenango weather in August

In August, Momostenango sees average daytime highs of 20°C and overnight lows near 12°C, with 244 mm of rain across 27.8 wet days and about 12.5 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 3% of the time in August, and the air most often feels dry.

Daylight stretches from about 12 h 42 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Momostenango's 10th-clearest and 7th-windiest month. For the whole year in context, see Momostenango's year-round climate.

Daytime high: 20°; 6th warmest
Overnight low: 12°; 9th coldest
Rainfall: 244 mm; 27.8 wet days
Daylight: 12 h 30 min; 5:55 AM – 6:25 PM
Cloud cover: 82%; 10th clearest
Wind: 5 km/h; 7th windiest
Solar energy: 5.54 kWh/m²
Travel score: 3.6; out of 10

← July Momostenango year-round climate September →Best places to visit in August

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 20°C through the month.

A typical August day in Momostenango reaches about 20°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 22°C. Set against its neighbours, August runs on par with July and on par with September.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20
Avg low (°C)	11	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12

	Avg high (°C)	Avg low (°C)
1	20	11
2	20	11
3	20	11
4	20	11
5	20	11
6	20	11
7	20	11
8	20	11
9	20	11
10	20	11
11	20	11
12	20	12
13	20	12
14	20	12
15	20	12
16	20	12
17	20	12
18	20	12
19	20	12
20	20	12
21	20	12
22	20	12
23	20	12
24	20	12
25	20	12
26	20	12
27	20	12
28	20	12
29	20	12
30	20	12
31	20	12

Momostenango weather by month

How August compares with the rest of the year at a glance. August is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	19° / 9°	16	5	11.2	7.2
Feb	21° / 9°	16	4.1	11.5	7.6
Mar	22° / 10°	42	9.7	11.9	7.0
Apr	22° / 11°	94	17	12.3	5.7
May	22° / 12°	258	27	12.7	4.0
Jun	20° / 12°	344	28.4	12.9	3.4
Jul	20° / 11°	203	25.7	12.8	3.9
Aug	20° / 12°	244	27.8	12.5	3.6
Sep	20° / 12°	322	29.3	12.1	3.3
Oct	20° / 12°	231	26.3	11.7	3.8
Nov	19° / 10°	66	13.7	11.3	5.6
Dec	19° / 9°	27	6.2	11.1	6.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 10% of August, with mostly cloudy or overcast conditions the remaining 87%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	16	16	15	15	15	15	15	15	15	15	15	14	14	14	14	13	13	13	12	12	12	12	12	11	12	12	12	12	11	11	9
Cloudier (%)	84	84	85	85	85	85	85	85	85	85	85	86	86	86	86	87	87	87	88	88	88	88	88	89	88	88	88	88	89	89	91

	Clearer (%)	Cloudier (%)
1	16	84
2	16	84
3	15	85
4	15	85
5	15	85
6	15	85
7	15	85
8	15	85
9	15	85
10	15	85
11	15	85
12	14	86
13	14	86
14	14	86
15	14	86
16	13	87
17	13	87
18	13	87
19	12	88
20	12	88
21	12	88
22	12	88
23	12	88
24	11	89
25	12	88
26	12	88
27	12	88
28	12	88
29	11	89
30	11	89
31	9	91

Chance of precipitation in August

Any precipitation

Momostenango gets around 244 mm of rain over 27.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 90% and peaks near 95% on the wettest days. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	85	86	86	86	87	87	88	88	88	88	88	89	89	89	89	89	89	89	90	90	90	91	91	91	92	92	92	93	94	94	95

	Rain chance (%)
1	85
2	86
3	86
4	86
5	87
6	87
7	88
8	88
9	88
10	88
11	88
12	89
13	89
14	89
15	89
16	89
17	89
18	89
19	90
20	90
21	90
22	91
23	91
24	91
25	92
26	92
27	92
28	93
29	94
30	94
31	95

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 71% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	81	81	80	79	79	78	77	77	76	76	75	75	74	73	73	72	71	70	69	68	67	66	65	64	63	63	62	62	61	61	61
Comfortable (%)	19	19	20	21	21	22	23	23	24	24	25	25	26	27	27	28	29	30	31	32	33	34	35	36	37	37	38	38	39	39	39

	Dry (%)	Comfortable (%)
1	81	19
2	81	19
3	80	20
4	79	21
5	79	21
6	78	22
7	77	23
8	77	23
9	76	24
10	76	24
11	75	25
12	75	25
13	74	26
14	73	27
15	73	27
16	72	28
17	71	29
18	70	30
19	69	31
20	68	32
21	67	33
22	66	34
23	65	35
24	64	36
25	63	37
26	63	37
27	62	38
28	62	38
29	61	39
30	61	39
31	61	39

Wind in August

Winds average 5 km/h in August.

Across August, daily wind ranges from about 4 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	6	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	4	4	4	4	4
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	6	calm
2	5	calm
3	5	calm
4	5	calm
5	5	calm
6	5	calm
7	5	calm
8	5	calm
9	5	calm
10	5	calm
11	5	calm
12	5	calm
13	5	calm
14	5	calm
15	5	calm
16	5	calm
17	5	calm
18	5	calm
19	5	calm
20	5	calm
21	5	calm
22	5	calm
23	5	calm
24	5	calm
25	5	calm
26	5	calm
27	4	calm
28	4	calm
29	4	calm
30	4	calm
31	4	calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 42 min at the start of August to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over August. Sunrise moves from 5:51 AM to 5:56 AM, and sunset from 6:32 PM to 6:15 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	12.7	12.7	12.7	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.3	12.3	12.3
Sunrise (AM)	5:51	5:52	5:52	5:52	5:52	5:53	5:53	5:53	5:53	5:53	5:54	5:54	5:54	5:54	5:54	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:56	5:56	5:56	5:56	5:56	5:56	5:56	5:56	5:56
Sunset (PM)	6:32	6:32	6:31	6:31	6:30	6:30	6:30	6:29	6:29	6:28	6:28	6:27	6:27	6:26	6:26	6:25	6:24	6:24	6:23	6:23	6:22	6:21	6:21	6:20	6:19	6:19	6:18	6:17	6:16	6:16	6:15

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.7	5:51	6:32
2	12.7	5:52	6:32
3	12.7	5:52	6:31
4	12.6	5:52	6:31
5	12.6	5:52	6:30
6	12.6	5:53	6:30
7	12.6	5:53	6:30
8	12.6	5:53	6:29
9	12.6	5:53	6:29
10	12.6	5:53	6:28
11	12.6	5:54	6:28
12	12.6	5:54	6:27
13	12.5	5:54	6:27
14	12.5	5:54	6:26
15	12.5	5:54	6:26
16	12.5	5:55	6:25
17	12.5	5:55	6:24
18	12.5	5:55	6:24
19	12.5	5:55	6:23
20	12.5	5:55	6:23
21	12.4	5:55	6:22
22	12.4	5:55	6:21
23	12.4	5:56	6:21
24	12.4	5:56	6:20
25	12.4	5:56	6:19
26	12.4	5:56	6:19
27	12.4	5:56	6:18
28	12.4	5:56	6:17
29	12.3	5:56	6:16
30	12.3	5:56	6:16
31	12.3	5:56	6:15

Solar energy in August

Daily solar energy (kWh/m²)

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

For context, solar energy here swings from a low near 4.55 kWh/m² to a high of 6.48 kWh/m² in April across the year — August's 5.54 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	5.8	5.8	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.6	5.6	5.6	5.6	5.6	5.5	5.5	5.5	5.5	5.5	5.5	5.4	5.4	5.4	5.4	5.4	5.3	5.3	5.3	5.3	5.3	5.3
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.8	Bright
2	5.8	Bright
3	5.7	Bright
4	5.7	Bright
5	5.7	Bright
6	5.7	Bright
7	5.7	Bright
8	5.7	Bright
9	5.7	Bright
10	5.6	Bright
11	5.6	Bright
12	5.6	Bright
13	5.6	Bright
14	5.6	Bright
15	5.5	Bright
16	5.5	Bright
17	5.5	Bright
18	5.5	Bright
19	5.5	Bright
20	5.5	Bright
21	5.4	Bright
22	5.4	Bright
23	5.4	Bright
24	5.4	Bright
25	5.4	Bright
26	5.3	Bright
27	5.3	Bright
28	5.3	Bright
29	5.3	Bright
30	5.3	Bright
31	5.3	Bright

Planning a trip in August

Hazard calendar for Momostenango

In seasonPeak

In August, Momostenango sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Momostenango'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 August a good time to visit Momostenango?

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

3.6

Sightseeing

10th-best month of the year

2.0

Beach & pool

9th-best month of the year

August is a weaker month for outdoor sightseeing in Momostenango.

What to pack for Momostenango in August

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

In August, Momostenango sees daytime highs around 20°C and nights near 12°C. Pack rain gear. Worth having: sun protection. About 28 days see rain.

rain gearsun protection

UV index in Momostenango in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Momostenango peaks around April 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 10 (very high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	10	14	15	16	13	14	14	14	13	12	10	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high

	UV index (midday)	Level
Jan	10	Extreme
Feb	14	Extreme
Mar	15	Extreme
Apr	16	Extreme
May	13	Extreme
Jun	14	Extreme
Jul	14	Extreme
Aug	14	Extreme
Sep	13	Extreme
Oct	12	Extreme
Nov	10	Extreme
Dec	10	Very high

Air quality in Momostenango in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Momostenango is worst in May — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	23	22	25	34	34	23	23	22	23	23	23	25
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	23	Moderate
Feb	22	Moderate
Mar	25	Moderate
Apr	34	Moderate
May	34	Moderate
Jun	23	Moderate
Jul	23	Moderate
Aug	22	Moderate
Sep	23	Moderate
Oct	23	Moderate
Nov	23	Moderate
Dec	25	Moderate

Location & terrain

Where is Momostenango?

Momostenango sits at 15.0°N, 91.4°W, 2,215 m above sea level, in Guatemala. The nearest listed city is San Francisco El Alto, 12 km away.

Topography around Momostenango

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

Within 3 km, the terrain around Momostenango has significant variations in elevation — a maximum elevation change of 442 m around an average of 2,252 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,670 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,169 m.

The land around Momostenango is covered by trees (83%) within 3 km, trees (69%) within 16 km, and trees (80%) within 80 km.

3 km

442 m

trees 83%

16 km

1,670 m

trees 69%

80 km

4,169 m

trees 80%

treesshrubsgrasslandcroplandartificial surfaceswater

← July Momostenango year-round climate September →Best places to visit in August

August weather nearby: San Francisco El Alto 12 km · Totonicapán 16 km · San Andrés Xecul 17 km · Salcajá 19 km · Nahualá 24 km · La Esperanza 25 km · Quetzaltenango 25 km · Cabricán 26 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

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 Momostenango (15.0444°, -91.4086°, elevation 2,215 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).

	Avg high (°C)	Avg low (°C)
1	20	11
2	20	11
3	20	11
4	20	11
5	20	11
6	20	11
7	20	11
8	20	11
9	20	11
10	20	11
11	20	11
12	20	12
13	20	12
14	20	12
15	20	12
16	20	12
17	20	12
18	20	12
19	20	12
20	20	12
21	20	12
22	20	12
23	20	12
24	20	12
25	20	12
26	20	12
27	20	12
28	20	12
29	20	12
30	20	12
31	20	12

	Clearer (%)	Cloudier (%)
1	16	84
2	16	84
3	15	85
4	15	85
5	15	85
6	15	85
7	15	85
8	15	85
9	15	85
10	15	85
11	15	85
12	14	86
13	14	86
14	14	86
15	14	86
16	13	87
17	13	87
18	13	87
19	12	88
20	12	88
21	12	88
22	12	88
23	12	88
24	11	89
25	12	88
26	12	88
27	12	88
28	12	88
29	11	89
30	11	89
31	9	91

	Rain chance (%)
1	85
2	86
3	86
4	86
5	87
6	87
7	88
8	88
9	88
10	88
11	88
12	89
13	89
14	89
15	89
16	89
17	89
18	89
19	90
20	90
21	90
22	91
23	91
24	91
25	92
26	92
27	92
28	93
29	94
30	94
31	95

	Dry (%)	Comfortable (%)
1	81	19
2	81	19
3	80	20
4	79	21
5	79	21
6	78	22
7	77	23
8	77	23
9	76	24
10	76	24
11	75	25
12	75	25
13	74	26
14	73	27
15	73	27
16	72	28
17	71	29
18	70	30
19	69	31
20	68	32
21	67	33
22	66	34
23	65	35
24	64	36
25	63	37
26	63	37
27	62	38
28	62	38
29	61	39
30	61	39
31	61	39

	Avg high (°C)	Avg low (°C)
1	20	11
2	20	11
3	20	11
4	20	11
5	20	11
6	20	11
7	20	11
8	20	11
9	20	11
10	20	11
11	20	11
12	20	12
13	20	12
14	20	12
15	20	12
16	20	12
17	20	12
18	20	12
19	20	12
20	20	12
21	20	12
22	20	12
23	20	12
24	20	12
25	20	12
26	20	12
27	20	12
28	20	12
29	20	12
30	20	12
31	20	12

	Clearer (%)	Cloudier (%)
1	16	84
2	16	84
3	15	85
4	15	85
5	15	85
6	15	85
7	15	85
8	15	85
9	15	85
10	15	85
11	15	85
12	14	86
13	14	86
14	14	86
15	14	86
16	13	87
17	13	87
18	13	87
19	12	88
20	12	88
21	12	88
22	12	88
23	12	88
24	11	89
25	12	88
26	12	88
27	12	88
28	12	88
29	11	89
30	11	89
31	9	91

	Rain chance (%)
1	85
2	86
3	86
4	86
5	87
6	87
7	88
8	88
9	88
10	88
11	88
12	89
13	89
14	89
15	89
16	89
17	89
18	89
19	90
20	90
21	90
22	91
23	91
24	91
25	92
26	92
27	92
28	93
29	94
30	94
31	95

	Dry (%)	Comfortable (%)
1	81	19
2	81	19
3	80	20
4	79	21
5	79	21
6	78	22
7	77	23
8	77	23
9	76	24
10	76	24
11	75	25
12	75	25
13	74	26
14	73	27
15	73	27
16	72	28
17	71	29
18	70	30
19	69	31
20	68	32
21	67	33
22	66	34
23	65	35
24	64	36
25	63	37
26	63	37
27	62	38
28	62	38
29	61	39
30	61	39
31	61	39

	Avg high (°C)	Avg low (°C)
1	20	11
2	20	11
3	20	11
4	20	11
5	20	11
6	20	11
7	20	11
8	20	11
9	20	11
10	20	11
11	20	11
12	20	12
13	20	12
14	20	12
15	20	12
16	20	12
17	20	12
18	20	12
19	20	12
20	20	12
21	20	12
22	20	12
23	20	12
24	20	12
25	20	12
26	20	12
27	20	12
28	20	12
29	20	12
30	20	12
31	20	12

	Clearer (%)	Cloudier (%)
1	16	84
2	16	84
3	15	85
4	15	85
5	15	85
6	15	85
7	15	85
8	15	85
9	15	85
10	15	85
11	15	85
12	14	86
13	14	86
14	14	86
15	14	86
16	13	87
17	13	87
18	13	87
19	12	88
20	12	88
21	12	88
22	12	88
23	12	88
24	11	89
25	12	88
26	12	88
27	12	88
28	12	88
29	11	89
30	11	89
31	9	91

	Rain chance (%)
1	85
2	86
3	86
4	86
5	87
6	87
7	88
8	88
9	88
10	88
11	88
12	89
13	89
14	89
15	89
16	89
17	89
18	89
19	90
20	90
21	90
22	91
23	91
24	91
25	92
26	92
27	92
28	93
29	94
30	94
31	95

	Dry (%)	Comfortable (%)
1	81	19
2	81	19
3	80	20
4	79	21
5	79	21
6	78	22
7	77	23
8	77	23
9	76	24
10	76	24
11	75	25
12	75	25
13	74	26
14	73	27
15	73	27
16	72	28
17	71	29
18	70	30
19	69	31
20	68	32
21	67	33
22	66	34
23	65	35
24	64	36
25	63	37
26	63	37
27	62	38
28	62	38
29	61	39
30	61	39
31	61	39