San Carlos weather in August

In August, San Carlos sees average daytime highs of 29°C and overnight lows near 24°C, with 218 mm of rain across 29.7 wet days and about 12.4 hours of daylight. It is the 6th-warmest and 5th-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 3% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is San Carlos's 9th-clearest and 9th-windiest month. For the whole year in context, see San Carlos's year-round climate.

Daytime high
29°
6th warmest
Overnight low
24°
9th coldest
Rainfall
218 mm
29.7 wet days
Daylight
12 h 24 min
5:32 AM – 5:54 PM
Cloud cover
84%
9th clearest
Wind
10 km/h
9th windiest
Solar energy
4.24 kWh/m²
Travel score
2.8
out of 10

San Carlos is Urban area of the San Carlos Municipality in Nicaragua. Seat of the San Carlos Municipality..

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 29°C through the month.

A typical August day in San Carlos reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How August really feels in San Carlos

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.

San Carlos weather by month

How August compares with the rest of the year at a glance. August is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°3614.911.45.8
Feb29° / 23°2510.111.65.7
Mar30° / 23°166.611.95.6
Apr31° / 24°308.712.24.5
May31° / 24°18022.812.53.2
Jun30° / 24°24528.912.62.7
Jul29° / 24°22029.412.62.9
Aug29° / 24°21829.712.42.8
Sep30° / 24°2522912.12.7
Oct29° / 24°26329.111.83.0
Nov29° / 23°14722.611.53.9
Dec28° / 23°641811.45.0

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 8% of August, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21189
31189
41189
51189
61189
71189
81189
91189
101189
111189
121189
131189
141189
151288
161288
171189
181189
191189
201189
211189
221189
231189
241288
251288
261288
271288
281288
291288
301288
311189

Chance of precipitation in August

Any precipitation

San Carlos gets around 218 mm of rain over 29.7 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 96% and peaks near 97% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
195
295
395
495
596
696
796
896
997
1097
1197
1297
1397
1497
1597
1697
1797
1897
1996
2096
2196
2296
2395
2495
2595
2695
2795
2895
2995
3095
3195

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 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
18614
28515
38515
48416
58416
68317
78317
88317
98317
108317
118317
128317
138416
148416
158416
168515
178515
188515
198416
208416
218317
228317
238218
248119
258020
268020
277921
287822
297723
307723
317624

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 30 min at the start of August to 12 h 12 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 5:30 AM to 5:32 AM, and sunset from 6:00 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:306:00
212.55:306:00
312.55:315:59
412.55:315:59
512.55:315:59
612.55:315:58
712.45:315:58
812.45:315:58
912.45:315:57
1012.45:325:57
1112.45:325:57
1212.45:325:56
1312.45:325:56
1412.45:325:55
1512.45:325:55
1612.45:325:54
1712.45:325:54
1812.45:325:53
1912.35:325:53
2012.35:325:52
2112.35:325:52
2212.35:325:51
2312.35:325:51
2412.35:325:50
2512.35:325:50
2612.35:325:49
2712.35:325:48
2812.35:325:48
2912.25:325:47
3012.25:325:47
3112.25:325:46

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.24 kWh/m².

For context, solar energy here swings from a low near 3.57 kWh/m² to a high of 5.62 kWh/m² in April across the year — August's 4.24 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in August

Hazard calendar for San Carlos

In seasonPeak

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

San Carlos sits in the Atlantic hurricane belt; the season peaks August–October.

San Carlos's rainy season runs May–November, when most of the year's rain falls.

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

Is August a good time to visit San Carlos?

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

2.8
Sightseeing
10th-best month of the year
3.7
Beach & pool
10th-best month of the year

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

What to pack for San Carlos in August

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

In August, San Carlos sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

UV index in San Carlos in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Carlos peaks around March 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 highMar 19UV 14Dec 16UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov10Extreme
Dec9Very high

Air quality in San Carlos 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 Carlos is worst in July — around 24 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1623 µg/m³Dec 127 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar10Good
Apr18Moderate
May22Moderate
Jun20Moderate
Jul24Moderate
Aug19Moderate
Sep13Moderate
Oct10Good
Nov7Good
Dec7Good
Location & terrain

Where is San Carlos?

San Carlos sits at 11.1°N, 84.8°W, 0 m above sea level, in Nicaragua. The nearest listed city is El Castillo, 43 km away.

El CastilloSan JoséNueva GuineaLiberia

Topography around San Carlos

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

Within 3 km, the terrain around San Carlos has only modest variations in elevation — a maximum elevation change of 67 m around an average of 35 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 152 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,960 m.

The land around San Carlos is covered by water (46%) and trees (35%) within 3 km, water (39%), grassland (30%) and trees (29%) within 16 km, and trees (52%) and grassland (28%) within 80 km.

3 km
67 m
16 km
152 m
80 km
1,960 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: El Castillo 43 km · San José 44 km · Nueva Guinea 72 km · La Fortuna 74 km · Cañas 85 km · Liberia 90 km · Monteverde 91 km · Quesada 97 km

Nicaragua travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$3,173
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
11.3
per 100k, 2021
Road deaths
16.9
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 512
Religion
Roman Catholic 45%Protestant 39%none 14%other 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 San Carlos (11.1271°, -84.7779°, elevation 0 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).