San Francisco Gotera weather in December

In December, San Francisco Gotera sees average daytime highs of 31°C and overnight lows near 19°C, with 5 mm of rain across 1.2 wet days and about 11.2 hours of daylight. It is the 8th-warmest and 10th-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 71% of the time in December, and the air most often feels humid.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 12 min by month's end. Set against the rest of the year, December is San Francisco Gotera's 3rd-clearest and 3rd-windiest month. For the whole year in context, see San Francisco Gotera's year-round climate.

Daytime high
31°
8th warmest
Overnight low
19°
2nd coldest
Rainfall
5 mm
1.2 wet days
Daylight
11 h 12 min
6:13 AM – 5:24 PM
Cloud cover
30%
3rd clearest
Wind
7 km/h
3rd windiest
Solar energy
5.22 kWh/m²
Travel score
5.7
out of 10

San Francisco Gotera is city in El Salvador.

Density
270/km²
people per km²
Founded
1875

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December day in San Francisco Gotera reaches about 31°C in the afternoon and slips back to 19°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, December runs about 1°C warmer than November and about 1°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13120
23120
33120
43120
53119
63119
73119
83119
93119
103119
113119
123119
133119
143119
153119
163119
173119
183119
193119
203119
213119
223119
233119
243119
253219
263219
273219
283219
293219
303219
313219

How December really feels in San Francisco Gotera

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

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

San Francisco Gotera weather by month

How December compares with the rest of the year at a glance. December is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 19°20.411.35.3
Feb33° / 20°20.611.54.4
Mar34° / 21°143.111.93.7
Apr34° / 22°6810.712.33.1
May32° / 22°28223.312.62.8
Jun31° / 22°26423.412.83.1
Jul32° / 22°1461712.73.4
Aug32° / 22°21321.312.53.0
Sep30° / 21°31626.512.12.9
Oct29° / 21°28923.111.73.7
Nov30° / 20°557.711.45.3
Dec31° / 19°51.211.25.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 71% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
28020
38119
48119
58317
68317
78416
88515
98614
108614
118515
128614
138614
148614
158713
168713
178713
188713
198812
208911
218911
228911
238911
248911
259010
269010
278911
288911
299010
308911
318911

Chance of precipitation in December

Any precipitation

San Francisco Gotera gets around 5 mm of rain over 1.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 5% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
19
29
38
47
57
66
76
85
95
105
115
125
134
144
154
164
174
184
194
203
213
223
233
243
253
263
273
283
293
303
313

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
111351323
211354302
311356282
421456262
521557242
621559222
721660211
821760201
931860181
1031959181
1132059171
1232159161
1342258151
1442357151
1542457141
1642557131
1752655131
1852854121
1952954111
2053053111
2153252101
225335291
235345290
246355180
256365170
266385070
276384960
286394960
296404850
307414750
317424650

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 12 min at the start of December to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:05 AM to 6:20 AM, and sunset from 5:20 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:055:20
211.26:055:20
311.26:065:20
411.26:065:20
511.26:075:21
611.26:075:21
711.26:085:21
811.26:085:22
911.26:095:22
1011.26:105:22
1111.26:105:23
1211.26:115:23
1311.26:115:23
1411.26:125:24
1511.26:125:24
1611.26:135:24
1711.26:135:25
1811.26:145:25
1911.26:145:26
2011.26:155:26
2111.26:155:27
2211.26:165:27
2311.26:165:28
2411.26:175:28
2511.26:175:29
2611.26:175:29
2711.26:185:30
2811.26:185:30
2911.26:195:31
3011.26:195:31
3111.26:205:32

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.22 kWh/m².

For context, solar energy here swings from a low near 4.96 kWh/m² to a high of 6.54 kWh/m² in March across the year — December's 5.22 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in December

Hazard calendar for San Francisco Gotera

In seasonPeak

None of San Francisco Gotera's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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

San Francisco Gotera's rainy season runs May–October, 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 December a good time to visit San Francisco Gotera?

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

5.7
Sightseeing
1st-best month of the year
8.4
Beach & pool
2nd-best month of the year

December is a reasonable time to visit San Francisco Gotera for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Francisco Gotera in December

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

In December, San Francisco Gotera sees daytime highs around 31°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near San Francisco Gotera in December

The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 63 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
Jan28Warm
Feb28Warm
Mar28Tropical
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in San Francisco Gotera in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (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 Francisco Gotera peaks around April 10 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 10UV 13Dec 15UV 9
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in San Francisco Gotera in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in San Francisco Gotera is worst in April — around 34 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (January, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 2233 µg/m³Jan 1010 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar20Moderate
Apr34Moderate
May32Moderate
Jun21Moderate
Jul24Moderate
Aug20Moderate
Sep18Moderate
Oct17Moderate
Nov14Moderate
Dec10Good
Location & terrain

Where is San Francisco Gotera?

San Francisco Gotera sits at 13.7°N, 88.1°W, 249 m above sea level, in El Salvador. The nearest listed city is San Miguel, 25 km away.

San MiguelColomoncaguaSan Rafael OrienteSantiago de MaríaLa UniónLangueUsulutánSensuntepeque

Topography around San Francisco Gotera

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

Within 3 km, the terrain around San Francisco Gotera has significant variations in elevation — a maximum elevation change of 456 m around an average of 310 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,540 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,320 m.

The land around San Francisco Gotera is covered by trees (62%) and grassland (30%) within 3 km, trees (66%) and grassland (32%) within 16 km, and trees (57%) and grassland (23%) within 80 km.

3 km
456 m
16 km
1,540 m
80 km
2,320 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
December weather nearby: San Miguel 25 km · Colomoncagua 34 km · San Rafael Oriente 44 km · Santiago de María 46 km · La Unión 49 km · Langue 49 km · Usulután 53 km · Sensuntepeque 60 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 San Francisco Gotera (13.6941°, -88.1041°, elevation 249 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).