San Miguel in Winter
In winter (December, January and February), San Miguel sees average daytime highs around 34°C and overnight lows near 21°C, with 8 mm of rain over about 2 wet days across the season. It is the 2nd-warmest season and the driest season of the year.
Over the season highs climb from about 32°C in early December to 35°C by late February. The sky is clear or mostly clear about 81% of the time across winter, and the air most often feels humid.
Winter is San Miguel's best season of the year to visit on our travel score. For the whole year in context, see San Miguel's year-round climate.
- Avg daytime high
- 34°C
- 2nd-warmest season
- Avg overnight low
- 21°C
- Rainfall
- 8 mm
- 2 wet days
- Avg wind
- 6 km/h
- Travel score
- 4.0
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in San Miguel in Winter
Over the season highs climb from about 32°C in early December to 35°C by late February.
A typical winter day in San Miguel reaches about 34°C and drops to 21°C overnight. The warmest of the three months is February, the coolest December.
How winter really feels in San Miguel
Once humidity and wind are folded in, winter brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
San Miguel weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 34° / 21° | 1 | 0.4 | 11.3 | 4.1 |
| Feb | 35° / 22° | 1 | 0.3 | 11.6 | 3.3 |
| Mar | 36° / 23° | 9 | 2.1 | 11.9 | 2.8 |
| Apr | 35° / 24° | 44 | 9.2 | 12.3 | 2.4 |
| May | 33° / 24° | 258 | 22.8 | 12.6 | 2.3 |
| Jun | 32° / 23° | 291 | 23.6 | 12.8 | 2.6 |
| Jul | 33° / 23° | 195 | 18.9 | 12.7 | 2.8 |
| Aug | 33° / 23° | 271 | 22.5 | 12.4 | 2.6 |
| Sep | 31° / 23° | 343 | 26.7 | 12.1 | 2.6 |
| Oct | 31° / 22° | 304 | 24 | 11.7 | 3.1 |
| Nov | 31° / 21° | 61 | 8.8 | 11.4 | 4.5 |
| Dec | 33° / 21° | 6 | 1.3 | 11.2 | 4.6 |
Cloud cover in Winter
The sky is clear or mostly clear about 81% of the time across winter.
Chance of precipitation in Winter
San Miguel gets around 8 mm of rain over 2 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 6 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 18 min in early December to 11 h 42 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 5.8 kWh/m².
Hazard calendar for San Miguel
None of San Miguel's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
San Miguel sits in the Atlantic hurricane belt; the season peaks August–October.
San Miguel's monsoon runs May–October, when most of the year's rain falls.
Is winter a good time to visit San Miguel?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit San Miguel for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for San Miguel in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, San Miguel sees daytime highs around 34°C and nights near 21°C. Pack light clothes and sun protection.
Sea temperature near San Miguel in Winter
The nearest coast averages about 28°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 40 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 28 | 29 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Warm |
| Mar | 28 | Tropical |
| Apr | 29 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Tropical |
UV index in San Miguel in Winter
Clear-sky midday UV across winter averages around 10 (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 Miguel 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 10 | 12 | 13 | 13 | 12 | 13 | 12 | 12 | 12 | 11 | 10 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 10 | Very high |
| Dec | 9 | Very high |
Air quality in San Miguel in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in San Miguel is worst in April — around 34 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (January, 13 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 13 | 15 | 22 | 34 | 32 | 21 | 25 | 20 | 18 | 17 | 16 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 15 | Moderate |
| Mar | 22 | Moderate |
| Apr | 34 | Moderate |
| May | 32 | Moderate |
| Jun | 21 | Moderate |
| Jul | 25 | Moderate |
| Aug | 20 | Moderate |
| Sep | 18 | Moderate |
| Oct | 17 | Moderate |
| Nov | 16 | Moderate |
| Dec | 13 | Moderate |
Where is San Miguel?
San Miguel sits at 13.5°N, 88.2°W, 130 m above sea level, in El Salvador. The nearest listed city is San Rafael Oriente, 21 km away.
Topography around San Miguel
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Miguel.
Within 3 km, the terrain around San Miguel has only modest variations in elevation — a maximum elevation change of 126 m around an average of 128 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,078 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,174 m.
The land around San Miguel is covered by artificial surfaces (48%) and trees (36%) within 3 km, trees (51%) and grassland (38%) within 16 km, and trees (45%), water (28%) and grassland (20%) within 80 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
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 Miguel (13.4826°, -88.1821°, elevation 130 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.