Mayaguez Weather in December
Mayaguez in December sees high temperatures, with highs around 29°C (84°F) and overnight lows of 24°C (75°F). Overall perfect conditions make it one of the better months to visit.
Rainfall in Mayaguez in December
Looking at the last 30 years, the data shows about 20 days with rain, averaging 28 mm (1.1 in) for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Mayaguez in December
Mayaguez in December has perfect weather. Days reach 29°C (84°F) and nights cool to 24°C (75°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our Mayaguez's climate page.
Mayaguez Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Chance of Rain
66%
Precipitation
28 mm (1.1 in)
Rainy days
20 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mayaguez typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in December
Historical weather for Mayaguez in December
Browse day-by-day weather records for Mayaguez spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mayaguez historical weather extremes in December
Based on 28 years of weather observations in Mayaguez between 1997 and 2025, these are the recorded extremes.
- Mayaguez recorded its highest December temperature of 34°C (93°F) on December 24, 2002.
- Mayaguez experienced its chilliest December day on December 22, 2023, reaching only 24°C (75°F).
- The lowest overnight temperature recorded in December was 16°C (61°F) (December 18, 2008).
Best Places in Puerto Rico in December
Find out more about the weather in Puerto Rico and which places have the best travel conditions in this month. See all of Puerto Rico in December →
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What to Wear in Mayaguez in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Some rain is possible, so pack something to handle light showers.What To Do in Mayaguez in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our Mayaguez's climate page.
See the full Mayaguez climate overview or explore weather in Puerto Rico.
