San Carlos weather in October

In October, San Carlos sees average daytime highs of 29°C and overnight lows near 24°C, with 263 mm of rain across 29.1 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 1st-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 2% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of October to 11 h 36 min by month's end. Set against the rest of the year, October is San Carlos's 10th-clearest and 11th-windiest month. For the whole year in context, see San Carlos's year-round climate.

Daytime high
29°
8th warmest
Overnight low
24°
6th coldest
Rainfall
263 mm
29.1 wet days
Daylight
11 h 42 min
5:32 AM – 5:17 PM
Cloud cover
85%
10th clearest
Wind
8 km/h
11th windiest
Solar energy
3.97 kWh/m²
Travel score
3.0
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 October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical October 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 27°C and 30°C. Set against its neighbours, October runs on par with September and on par with November.

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
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How October really feels in San Carlos

Once humidity and wind are folded in, October 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 October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

San Carlos weather by month

How October compares with the rest of the year at a glance. October is the 8th-warmest and 1st-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in October.

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

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21189
31189
41189
51090
61090
71090
8991
9991
101090
111090
12991
13991
141090
151090
161090
171090
181189
191288
201387
211387
221486
231585
241585
251684
261783
271882
281882
291882
302080
312080

Chance of precipitation in October

Any precipitation

San Carlos gets around 263 mm of rain over 29.1 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 94% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
196
295
395
495
595
695
795
895
994
1094
1194
1295
1395
1495
1595
1695
1795
1895
1995
2094
2194
2294
2393
2493
2593
2692
2792
2891
2990
3089
3188

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
107624
207723
307723
407822
507921
608020
708020
808119
908119
1008218
1108218
1208317
1308317
1408317
1508416
1608416
1708416
1818316
1918316
2018316
2118415
2218415
2318415
2418514
2518613
2618613
2718712
2828711
2928810
302899
313898

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 54 min at the start of October to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over October. Sunrise moves from 5:31 AM to 5:34 AM, and sunset from 5:25 PM to 5:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:315:25
211.95:315:25
311.95:315:24
411.95:315:23
511.95:315:23
611.95:315:22
711.85:315:21
811.85:315:21
911.85:315:20
1011.85:315:20
1111.85:315:19
1211.85:315:19
1311.85:315:18
1411.85:315:18
1511.85:325:17
1611.75:325:17
1711.75:325:16
1811.75:325:16
1911.75:325:15
2011.75:325:15
2111.75:325:14
2211.75:335:14
2311.75:335:14
2411.75:335:13
2511.75:335:13
2611.75:335:12
2711.65:335:12
2811.65:345:12
2911.65:345:11
3011.65:345:11
3111.65:345:11

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.97 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 — October's 3.97 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.0Bright
114.0Bright
124.0Bright
134.0Moderate
144.0Moderate
154.0Moderate
164.0Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.8Moderate
313.7Moderate
Planning a trip in October

Hazard calendar for San Carlos

In seasonPeak

In October, 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 October a good time to visit San Carlos?

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

3.0
Sightseeing
8th-best month of the year
3.9
Beach & pool
8th-best month of the year

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

What to pack for San Carlos in October

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

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

light clothesrain gear

UV index in San Carlos in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (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 October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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
October 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).