Santa Ana weather in August

In August, Santa Ana sees average daytime highs of 31°C and overnight lows near 21°C, with 122 mm of rain across 20.2 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 5th-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 11% of the time in August, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Santa Ana's 10th-clearest and 9th-windiest month. For the whole year in context, see Santa Ana's year-round climate.

Daytime high
31°
5th warmest
Overnight low
21°
11th coldest
Rainfall
122 mm
20.2 wet days
Daylight
12 h 30 min
5:48 AM – 6:16 PM
Cloud cover
74%
10th clearest
Wind
5 km/h
9th windiest
Solar energy
5.56 kWh/m²
Travel score
3.3
out of 10

Santa Ana is city in El Salvador.

Density
442/km²
people per km²
Founded
1569

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical August day in Santa Ana reaches about 31°C in the afternoon and slips back to 21°C overnight — a 10°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, August runs on par with July and about 1°C warmer than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13221
23221
33221
43221
53221
63221
73221
83221
93221
103121
113121
123121
133121
143121
153121
163121
173121
183121
193121
203121
213121
223121
233121
243121
253121
263121
273121
283121
293121
303121
313121

How August really feels in Santa Ana

Once humidity and wind are folded in, August averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Santa Ana weather by month

How August compares with the rest of the year at a glance. August is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 18°20.411.36.5
Feb31° / 19°10.311.55.7
Mar32° / 20°61.611.94.9
Apr33° / 21°317.212.33.9
May31° / 21°13920.512.63.2
Jun30° / 21°18624.112.83.2
Jul31° / 21°9715.812.73.7
Aug31° / 21°12220.212.53.3
Sep30° / 21°21325.712.13.1
Oct29° / 20°15718.611.74.2
Nov30° / 19°274.311.45.9
Dec30° / 19°61.111.26.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33268
43169
53169
63169
73268
83268
93268
103268
113268
123268
133169
143169
153169
163070
173070
183070
192971
202872
212773
222773
232674
242674
252575
262476
272476
282377
292377
302080
312080

Chance of precipitation in August

Any precipitation

Santa Ana gets around 122 mm of rain over 20.2 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 66% and peaks near 79% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
152
253
354
455
556
657
758
859
960
1061
1162
1263
1364
1464
1565
1665
1766
1867
1968
2068
2169
2270
2371
2472
2573
2674
2775
2876
2977
3078
3179

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 76% of days. Sticky, muggy-or-worse air turns up on roughly 80% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
130673
230673
329683
428693
527703
626713
725723
825723
924733
1023743
1122753
1221763
1321763
1420773
1520773
1620773
1719783
1819783
1919783
2018793
2118784
2217794
2317794
2416795
2515805
2615805
2714806
2813816
2912826
3011836
3110846

Wind in August

Winds average 5 km/h in August.

Across August, 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
156calm
166calm
176calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 36 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 18 minutes over August. Sunrise moves from 5:45 AM to 5:50 AM, and sunset from 6:23 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:456:23
212.65:466:23
312.65:466:22
412.65:466:22
512.65:466:22
612.65:476:21
712.65:476:21
812.65:476:20
912.55:476:20
1012.55:476:19
1112.55:476:19
1212.55:486:19
1312.55:486:18
1412.55:486:17
1512.55:486:17
1612.55:486:16
1712.55:486:16
1812.45:486:15
1912.45:496:15
2012.45:496:14
2112.45:496:14
2212.45:496:13
2312.45:496:12
2412.45:496:12
2512.45:496:11
2612.35:496:10
2712.35:496:10
2812.35:496:09
2912.35:506:08
3012.35:506:08
3112.35:506:07

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.56 kWh/m².

For context, solar energy here swings from a low near 4.7 kWh/m² to a high of 6.27 kWh/m² in March across the year — August's 5.56 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in August

Hazard calendar for Santa Ana

In seasonPeak

In August, Santa Ana sits inside its atlantic hurricane and monsoon season. The full year is below, with each hazard's peak months called out.

Santa Ana sits in the Atlantic hurricane belt; the season peaks August–October.

Santa Ana's monsoon runs May–October, when most of the year's rain falls.

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

Is August a good time to visit Santa Ana?

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

3.3
Sightseeing
9th-best month of the year
4.9
Beach & pool
9th-best month of the year

August is a weaker month for outdoor sightseeing in Santa Ana.

What to pack for Santa Ana in August

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

In August, Santa Ana sees daytime highs around 31°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Santa Ana in August

The nearest coast averages about 30°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 53 km away) is warmest in August at about 30°C and coldest in January near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Santa Ana 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 Santa Ana peaks around April 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 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 14Nov 23UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar13Extreme
Apr14Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Santa Ana 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 Santa Ana is worst in April — around 33 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 2133 µg/m³Dec 1716 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb18Moderate
Mar21Moderate
Apr33Moderate
May31Moderate
Jun21Moderate
Jul23Moderate
Aug20Moderate
Sep19Moderate
Oct18Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Santa Ana?

Santa Ana sits at 14.0°N, 89.6°W, 645 m above sea level, in El Salvador. The nearest listed city is Chalchuapa, 13 km away.

IzalcoAhuachapanSonzacateSonsonateQuezaltepequeAguilaresMetapán

Topography around Santa Ana

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

Within 3 km, the terrain around Santa Ana has significant variations in elevation — a maximum elevation change of 387 m around an average of 683 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,989 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,703 m.

The land around Santa Ana is covered by trees (55%) and artificial surfaces (37%) within 3 km, trees (64%) and grassland (20%) within 16 km, and trees (52%) and grassland (23%) within 80 km.

3 km
387 m
16 km
1,989 m
80 km
2,703 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Chalchuapa 13 km · Izalco 30 km · Ahuachapan 32 km · Sonzacate 33 km · Sonsonate 35 km · Quezaltepeque 35 km · Aguilares 40 km · Metapán 40 km

El Salvador travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
115 V · 60 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$5,767
2025
Happiness
6.6 / 10
World Happiness, 2025
Homicide rate
7.9
per 100k, 2022
Road deaths
20.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 523
Religion
Roman Catholic 44%Protestant 40%none 16%

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 Santa Ana (13.9883°, -89.5568°, elevation 645 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).