Mayagüez in Winter
In winter (December, January and February), Mayagüez sees average daytime highs around 27°C and overnight lows near 24°C, with 53 mm of rain over about 16 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 72% of the time across winter, and the air most often feels muggy.
Winter is Mayagüez's best season of the year to visit on our travel score. Mayagüez has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Mayagüez's year-round climate.
- Avg daytime high
- 27°C
- coldest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 53 mm
- 16 wet days
- Avg wind
- 16 km/h
- Travel score
- 7.7
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Mayagüez in Winter
Across winter, daytime highs hold fairly steady around 27°C.
A typical winter day in Mayagüez reaches about 27°C and drops to 24°C overnight. The warmest of the three months is December, the coolest February.
How winter really feels in Mayagüez
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Mayagüez 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 | 27° / 24° | 16 | 4.9 | 11 | 7.8 |
| Feb | 26° / 24° | 19 | 6.3 | 11.4 | 7.6 |
| Mar | 26° / 24° | 28 | 9.1 | 11.9 | 7.2 |
| Apr | 27° / 24° | 36 | 10.5 | 12.4 | 6.7 |
| May | 28° / 25° | 70 | 14.8 | 12.8 | 5.7 |
| Jun | 29° / 26° | 47 | 13.2 | 13.1 | 5.1 |
| Jul | 29° / 26° | 51 | 14.4 | 13 | 5.0 |
| Aug | 29° / 27° | 67 | 16.8 | 12.6 | 4.6 |
| Sep | 29° / 26° | 98 | 17.4 | 12.1 | 4.6 |
| Oct | 28° / 26° | 71 | 15.6 | 11.6 | 5.1 |
| Nov | 28° / 25° | 55 | 10.3 | 11.1 | 6.4 |
| Dec | 27° / 25° | 18 | 4.6 | 10.9 | 7.7 |
Cloud cover in Winter
The sky is clear or mostly clear about 72% of the time across winter.
Chance of precipitation in Winter
Mayagüez gets around 53 mm of rain over 16 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 16 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 hours in early December to 11 h 36 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 5.0 kWh/m².
Hazard calendar for Mayagüez
None of Mayagüez's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Mayagüez sits in the Atlantic hurricane belt; the season peaks August–October.
Mayagüez's rainy season runs May–November, when most of the year's rain falls.
Mayagüez sees seasonal dust haze (July), heaviest in July.
Is winter a good time to visit Mayagüez?
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 one of the better times to visit Mayagüez for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Mayagüez in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Mayagüez sees daytime highs around 27°C and nights near 24°C. Pack light clothes. Worth having: sun protection. About 16 days see rain.
Sea temperature near Mayagüez in Winter
The nearest coast averages about 27°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in September at about 29°C and coldest in February near 27°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) | 27 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 27 | Warm |
| May | 28 | Warm |
| Jun | 28 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Mayagüez in Winter
Clear-sky midday UV across winter averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mayagüez peaks around April 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (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) | 8 | 10 | 12 | 13 | 11 | 12 | 11 | 12 | 12 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Mayagüez 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 Mayagüez is worst in July — around 25 µg/m³ PM2.5 (moderate), about 5.2× the cleanest month (January, 5 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) | 5 | 7 | 7 | 8 | 15 | 25 | 25 | 21 | 15 | 15 | 8 | 5 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 5 | Good |
| Feb | 7 | Good |
| Mar | 7 | Good |
| Apr | 8 | Good |
| May | 15 | Moderate |
| Jun | 25 | Moderate |
| Jul | 25 | Moderate |
| Aug | 21 | Moderate |
| Sep | 15 | Moderate |
| Oct | 15 | Moderate |
| Nov | 8 | Good |
| Dec | 5 | Good |
Where is Mayagüez?
Mayagüez sits at 18.2°N, 67.1°W, 21 m above sea level, in Puerto Rico. The nearest listed city is San Germán, 17 km away.
Topography around Mayagüez
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mayagüez.
Within 3 km, the terrain around Mayagüez has significant variations in elevation — a maximum elevation change of 265 m around an average of 42 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 766 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,307 m.
The land around Mayagüez is covered by trees (51%) and artificial surfaces (30%) within 3 km, trees (55%) and water (31%) within 16 km, and water (71%) and trees (23%) within 80 km.
Puerto Rico travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 78% of US
- price level, 2025
- GDP per capita
- $40,620
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2015
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 14.6
- per 100k, 2023
- Income group
- High
- World Bank
- 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 Mayagüez (18.2011°, -67.1396°, elevation 21 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.