Metapán weather in December

In December, Metapán sees average daytime highs of 30°C and overnight lows near 19°C, with 3 mm of rain across 0.6 wet days and about 11.2 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 72% 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 Metapán's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Metapán's year-round climate.

Daytime high
30°
10th warmest
Overnight low
19°
2nd coldest
Rainfall
3 mm
0.6 wet days
Daylight
11 h 12 min
6:19 AM – 5:29 PM
Cloud cover
29%
3rd clearest
Wind
11 km/h
2nd windiest
Solar energy
4.95 kWh/m²
Travel score
6.8
out of 10

Metapán is district in Northern Santa Ana, El Salvador.

Density
29/km²
people per km²

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 30°C through the month.

A typical December day in Metapán reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12919
22919
32919
42919
52919
62919
72919
82919
92919
102919
113019
123019
133019
143019
153019
163019
173019
183019
193019
203019
213019
223019
233019
243019
253019
263019
273019
283019
293019
303019
313019

How December really feels in Metapán

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.

Metapán weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 18°00.111.26.9
Feb31° / 19°00.111.55.9
Mar32° / 20°20.611.94.9
Apr33° / 21°174.112.33.9
May32° / 22°9014.612.73.4
Jun31° / 21°11218.712.83.5
Jul31° / 21°7714.412.83.8
Aug31° / 21°8716.912.53.5
Sep31° / 21°15220.512.13.4
Oct30° / 21°12215.411.74.4
Nov29° / 20°223.511.36.2
Dec30° / 19°30.611.26.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% 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 13%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28020
38119
48317
58416
68515
78614
88614
98713
108713
118812
128812
138812
148812
158812
168911
178911
189010
199010
208911
218911
228911
238911
248911
258911
268911
278911
288911
298911
308911
318911

Chance of precipitation in December

Any precipitation

Metapán gets around 3 mm of rain over 0.6 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 2% and peaks near 3% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
43
52
62
72
82
92
102
112
122
132
142
152
162
172
182
192
202
212
222
232
241
251
261
271
281
291
300
310

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 60% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13226114
23226213
33226312
43226312
54226311
64226410
74226410
8523639
9523639
10524638
11625618
12625627
13626617
14627616
15628606
16629605
17630595
18631594
19632584
20633583
21634573
22635563
23635572
24636562
25636562
26636571
27636571
28636571
29636571
30636571
31636571

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 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
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 6:11 AM to 6:26 AM, and sunset from 5:24 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:115:24
211.26:125:24
311.26:125:24
411.26:135:25
511.26:135:25
611.26:145:25
711.26:145:25
811.26:155:26
911.26:165:26
1011.26:165:26
1111.26:175:27
1211.26:175:27
1311.26:185:27
1411.26:185:28
1511.26:195:28
1611.26:195:29
1711.26:205:29
1811.26:205:30
1911.26:215:30
2011.26:215:30
2111.26:225:31
2211.26:225:31
2311.26:235:32
2411.26:235:32
2511.26:245:33
2611.26:245:33
2711.26:245:34
2811.26:255:34
2911.26:255:35
3011.26:265:35
3111.26:265:36

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.95 kWh/m².

For context, solar energy here swings from a low near 4.63 kWh/m² to a high of 6.22 kWh/m² in March across the year — December's 4.95 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Metapán

In seasonPeak

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

Metapán's rainy season runs May–October, when most of the year's rain falls.

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

Is December a good time to visit Metapán?

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

6.8
Sightseeing
2nd-best month of the year
9.0
Beach & pool
2nd-best month of the year

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

What to pack for Metapán in December

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

In December, Metapán sees daytime highs around 30°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Metapán 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 Metapán peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 12UV 14Dec 13UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec9Very high

Air quality in Metapán 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 Metapán 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 Metapán?

Metapán sits at 14.3°N, 89.5°W, 471 m above sea level, in El Salvador. The nearest listed city is Esquipulas, 28 km away.

EsquipulasAsunción MitaSanta AnaChalchuapaJutiapaAguilares

Topography around Metapán

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

Within 3 km, the terrain around Metapán has only modest variations in elevation — a maximum elevation change of 230 m around an average of 520 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,059 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,620 m.

The land around Metapán is covered by grassland (46%) and trees (32%) within 3 km, trees (46%) and grassland (31%) within 16 km, and trees (62%) and grassland (24%) within 80 km.

3 km
230 m
16 km
2,059 m
80 km
2,620 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Esquipulas 28 km · Asunción Mita 28 km · Santa Ana 40 km · San Luis Jilotepeque 46 km · Chalchuapa 46 km · Jutiapa 47 km · Aguilares 50 km · Chiquimula 53 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 Metapán (14.3333°, -89.45°, elevation 471 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).