San Luis weather in August

In August, San Luis sees average daytime highs of 29°C and overnight lows near 21°C, with 203 mm of rain across 27.4 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 5% of the time in August, and the air most often feels oppressive.

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 San Luis's 8th-clearest and 10th-windiest month. For the whole year in context, see San Luis's year-round climate.

Daytime high: 29°; 5th warmest
Overnight low: 21°; 9th coldest
Rainfall: 203 mm; 27.4 wet days
Daylight: 12 h 30 min; 5:43 AM – 6:13 PM
Cloud cover: 75%; 8th clearest
Wind: 4 km/h; 10th windiest
Solar energy: 5.57 kWh/m²
Travel score: 3.2; out of 10

← July San Luis 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 29°C through the month.

A typical August day in San Luis reaches about 29°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°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)	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	30	30	30	30
Avg low (°C)	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21

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

How August really feels in San Luis

Once humidity and wind are folded in, August averages 22 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

San Luis weather by month

How August compares with the rest of the year at a glance. August is the 5th-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	25° / 17°	109	16.5	11.2	5.9
Feb	26° / 18°	67	12.9	11.5	6.2
Mar	28° / 18°	65	11.5	11.9	6.0
Apr	30° / 20°	70	12.9	12.3	4.6
May	31° / 21°	165	21.8	12.7	3.4
Jun	30° / 21°	231	26.3	12.9	3.0
Jul	29° / 21°	194	27.7	12.8	3.3
Aug	29° / 21°	203	27.4	12.5	3.2
Sep	29° / 21°	256	28.4	12.1	2.9
Oct	28° / 20°	236	26.2	11.7	3.8
Nov	26° / 19°	200	20.9	11.3	4.8
Dec	25° / 18°	114	18.8	11.1	5.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 77%.

	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 (%)	27	26	26	25	25	25	24	24	24	24	24	24	24	23	23	23	24	24	24	23	24	23	23	22	22	21	20	20	19	19	19
Cloudier (%)	73	74	74	75	75	75	76	76	76	76	76	76	76	77	77	77	76	76	76	77	76	77	77	78	78	79	80	80	81	81	81

	Clearer (%)	Cloudier (%)
1	27	73
2	26	74
3	26	74
4	25	75
5	25	75
6	25	75
7	24	76
8	24	76
9	24	76
10	24	76
11	24	76
12	24	76
13	24	76
14	23	77
15	23	77
16	23	77
17	24	76
18	24	76
19	24	76
20	23	77
21	24	76
22	23	77
23	23	77
24	22	78
25	22	78
26	21	79
27	20	80
28	20	80
29	19	81
30	19	81
31	19	81

Chance of precipitation in August

Any precipitation

San Luis gets around 203 mm of rain over 27.4 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 89% and peaks near 91% on the wettest days.

	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 (%)	89	89	89	89	89	89	89	89	88	88	89	89	89	89	89	89	90	90	90	90	90	89	89	90	90	90	90	90	91	91	91

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

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 85% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	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
Muggy (%)	18	18	18	18	19	19	19	19	19	18	18	18	17	17	16	15	15	14	14	13	13	13	12	12	12	11	11	11	11	11	11
Oppressive (%)	82	82	82	82	81	81	81	81	81	82	82	82	83	83	84	85	85	86	86	87	87	87	88	88	88	89	89	89	89	89	89

	Muggy (%)	Oppressive (%)
1	18	82
2	18	82
3	18	82
4	18	82
5	19	81
6	19	81
7	19	81
8	19	81
9	19	81
10	18	82
11	18	82
12	18	82
13	17	83
14	17	83
15	16	84
16	15	85
17	15	85
18	14	86
19	14	86
20	13	87
21	13	87
22	13	87
23	12	88
24	12	88
25	12	88
26	11	89
27	11	89
28	11	89
29	11	89
30	11	89
31	11	89

Wind in August

Winds average 4 km/h in August.

Across August, daily wind ranges from about 4 km/h on the calmest days to 4 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)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	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	4	calm
2	4	calm
3	4	calm
4	4	calm
5	4	calm
6	4	calm
7	4	calm
8	4	calm
9	4	calm
10	4	calm
11	4	calm
12	4	calm
13	4	calm
14	4	calm
15	4	calm
16	4	calm
17	4	calm
18	4	calm
19	4	calm
20	4	calm
21	4	calm
22	4	calm
23	4	calm
24	4	calm
25	4	calm
26	4	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 5:39 AM to 5:44 AM, and sunset from 6:20 PM to 6:03 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)	5:39	5:40	5:40	5:40	5:40	5:41	5:41	5:41	5:41	5:41	5:42	5:42	5:42	5:42	5:42	5:43	5:43	5:43	5:43	5:43	5:43	5:43	5:44	5:44	5:44	5:44	5:44	5:44	5:44	5:44	5:44
Sunset (PM)	6:20	6:20	6:19	6:19	6:19	6:18	6:18	6:17	6:17	6:16	6:16	6:15	6:15	6:14	6:14	6:13	6:13	6:12	6:11	6:11	6:10	6:09	6:09	6:08	6:07	6:07	6:06	6:05	6:05	6:04	6:03

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.7	5:39	6:20
2	12.7	5:40	6:20
3	12.7	5:40	6:19
4	12.6	5:40	6:19
5	12.6	5:40	6:19
6	12.6	5:41	6:18
7	12.6	5:41	6:18
8	12.6	5:41	6:17
9	12.6	5:41	6:17
10	12.6	5:41	6:16
11	12.6	5:42	6:16
12	12.6	5:42	6:15
13	12.5	5:42	6:15
14	12.5	5:42	6:14
15	12.5	5:42	6:14
16	12.5	5:43	6:13
17	12.5	5:43	6:13
18	12.5	5:43	6:12
19	12.5	5:43	6:11
20	12.5	5:43	6:11
21	12.4	5:43	6:10
22	12.4	5:43	6:09
23	12.4	5:44	6:09
24	12.4	5:44	6:08
25	12.4	5:44	6:07
26	12.4	5:44	6:07
27	12.4	5:44	6:06
28	12.4	5:44	6:05
29	12.3	5:44	6:05
30	12.3	5:44	6:04
31	12.3	5:44	6:03

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.57 kWh/m².

For context, solar energy here swings from a low near 3.42 kWh/m² to a high of 6.05 kWh/m² in April across the year — August's 5.57 kWh/m² sits near the top of that range.

	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)	5.6	5.6	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.5	5.5
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	5.6	Bright
2	5.6	Bright
3	5.5	Bright
4	5.5	Bright
5	5.5	Bright
6	5.5	Bright
7	5.5	Bright
8	5.5	Bright
9	5.5	Bright
10	5.5	Bright
11	5.5	Bright
12	5.5	Bright
13	5.5	Bright
14	5.5	Bright
15	5.5	Bright
16	5.5	Bright
17	5.5	Bright
18	5.5	Bright
19	5.6	Bright
20	5.6	Bright
21	5.6	Bright
22	5.6	Bright
23	5.6	Bright
24	5.6	Bright
25	5.6	Bright
26	5.6	Bright
27	5.6	Bright
28	5.6	Bright
29	5.6	Bright
30	5.5	Bright
31	5.5	Bright

Planning a trip in August

Is August a good time to visit San Luis?

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

3.2

Sightseeing

10th-best month of the year

4.1

Beach & pool

10th-best month of the year

August is a weaker month for outdoor sightseeing in San Luis.

What to pack for San Luis in August

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

In August, San Luis sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

UV index in San Luis in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 12 (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 Luis peaks around April 9 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 9 (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	12	13	14	11	13	12	12	12	11	9	9
Level	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	10	Very high
Feb	12	Extreme
Mar	13	Extreme
Apr	14	Extreme
May	11	Extreme
Jun	13	Extreme
Jul	12	Extreme
Aug	12	Extreme
Sep	12	Extreme
Oct	11	Extreme
Nov	9	Very high
Dec	9	Very high

Air quality in San Luis 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 San Luis is worst in April — around 41 µg/m³ PM2.5 (poor), about 4.7× the cleanest month (December, 9 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	9	11	16	41	40	21	23	18	17	14	10	9
Level	Good	Good	Moderate	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good

	PM2.5 (µg/m³)	Level
Jan	9	Good
Feb	11	Good
Mar	16	Moderate
Apr	41	Poor
May	40	Poor
Jun	21	Moderate
Jul	23	Moderate
Aug	18	Moderate
Sep	17	Moderate
Oct	14	Moderate
Nov	10	Good
Dec	9	Good

Location & terrain

Where is San Luis?

San Luis sits at 15.1°N, 88.4°W, 734 m above sea level, in Honduras. The nearest listed city is San José de Colinas, 18 km away.

Topography around San Luis

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

Within 3 km, the terrain around San Luis has significant variations in elevation — a maximum elevation change of 466 m around an average of 752 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,539 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,817 m.

The land around San Luis is covered by trees (72%) and grassland (25%) within 3 km, trees (73%) and grassland (23%) within 16 km, and trees (72%) and grassland (21%) within 80 km.

3 km

466 m

trees 72%

16 km

1,539 m

trees 73%

80 km

2,817 m

trees 72%

treesgrasslandcroplandartificial surfaceswater

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

August weather nearby: San José de Colinas 18 km · Atima 22 km · Macuelizo 23 km · Quimistán 25 km · Santa Bárbara 31 km · Lepaera 42 km · San Antonio de Cortés 43 km · Cofradía 43 km

Honduras travel facts

Travel advisory: Level 3; Reconsider Travel
Power plugs: Type A / B; 120 V · 60 Hz
Prices: ≈ 46% of US; price level, 2025
GDP per capita: $3,598; 2025
Happiness: 6.1 / 10; World Happiness, 2025
Safe drinking water: 66%; of population, 2024
Homicide rate: 31.4; per 100k, 2023
Road deaths: 16.1; per 100k/yr, 2019
Income group: Lower middle; World Bank
English: High; EF EPI 553
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 San Luis (15.1269°, -88.4393°, elevation 734 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	29	21
2	29	21
3	29	21
4	29	21
5	29	21
6	29	21
7	29	21
8	29	21
9	29	21
10	29	21
11	29	21
12	29	21
13	29	21
14	29	21
15	29	21
16	29	21
17	29	21
18	29	21
19	29	21
20	29	21
21	29	21
22	29	21
23	29	21
24	29	21
25	29	21
26	29	21
27	29	21
28	30	21
29	30	21
30	30	21
31	30	21

	Clearer (%)	Cloudier (%)
1	27	73
2	26	74
3	26	74
4	25	75
5	25	75
6	25	75
7	24	76
8	24	76
9	24	76
10	24	76
11	24	76
12	24	76
13	24	76
14	23	77
15	23	77
16	23	77
17	24	76
18	24	76
19	24	76
20	23	77
21	24	76
22	23	77
23	23	77
24	22	78
25	22	78
26	21	79
27	20	80
28	20	80
29	19	81
30	19	81
31	19	81

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

	Muggy (%)	Oppressive (%)
1	18	82
2	18	82
3	18	82
4	18	82
5	19	81
6	19	81
7	19	81
8	19	81
9	19	81
10	18	82
11	18	82
12	18	82
13	17	83
14	17	83
15	16	84
16	15	85
17	15	85
18	14	86
19	14	86
20	13	87
21	13	87
22	13	87
23	12	88
24	12	88
25	12	88
26	11	89
27	11	89
28	11	89
29	11	89
30	11	89
31	11	89

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

	Clearer (%)	Cloudier (%)
1	27	73
2	26	74
3	26	74
4	25	75
5	25	75
6	25	75
7	24	76
8	24	76
9	24	76
10	24	76
11	24	76
12	24	76
13	24	76
14	23	77
15	23	77
16	23	77
17	24	76
18	24	76
19	24	76
20	23	77
21	24	76
22	23	77
23	23	77
24	22	78
25	22	78
26	21	79
27	20	80
28	20	80
29	19	81
30	19	81
31	19	81

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

	Muggy (%)	Oppressive (%)
1	18	82
2	18	82
3	18	82
4	18	82
5	19	81
6	19	81
7	19	81
8	19	81
9	19	81
10	18	82
11	18	82
12	18	82
13	17	83
14	17	83
15	16	84
16	15	85
17	15	85
18	14	86
19	14	86
20	13	87
21	13	87
22	13	87
23	12	88
24	12	88
25	12	88
26	11	89
27	11	89
28	11	89
29	11	89
30	11	89
31	11	89

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

	Clearer (%)	Cloudier (%)
1	27	73
2	26	74
3	26	74
4	25	75
5	25	75
6	25	75
7	24	76
8	24	76
9	24	76
10	24	76
11	24	76
12	24	76
13	24	76
14	23	77
15	23	77
16	23	77
17	24	76
18	24	76
19	24	76
20	23	77
21	24	76
22	23	77
23	23	77
24	22	78
25	22	78
26	21	79
27	20	80
28	20	80
29	19	81
30	19	81
31	19	81

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

	Muggy (%)	Oppressive (%)
1	18	82
2	18	82
3	18	82
4	18	82
5	19	81
6	19	81
7	19	81
8	19	81
9	19	81
10	18	82
11	18	82
12	18	82
13	17	83
14	17	83
15	16	84
16	15	85
17	15	85
18	14	86
19	14	86
20	13	87
21	13	87
22	13	87
23	12	88
24	12	88
25	12	88
26	11	89
27	11	89
28	11	89
29	11	89
30	11	89
31	11	89