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Maunabo Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Maunabo.
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Climate overview of Maunabo
The climate in Maunabo, Puerto Rico, is remarkably consistent, with temperatures year-round averaging 28°C (82°F). The warmest month is August at 30°C (86°F), and the coolest is February at 27°C (81°F).
The city has a wet climate, receiving around 1374 mm (54 in) of rainfall per year. September is the wettest month. The sunniest month is March, with 9.5 hours of sunshine per day on average.
Maunabo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Maunabo - and find the best time to visit.
Monthly Temperature in Maunabo
In Maunabo temperatures are generally consistent throughout the year. On average, daytime temperatures range from a comfortable 30°C (86°F) in August to a comfortable 27°C (81°F) in February.
Nighttime temperatures range from 26°C (79°F) in August to 23°C (73°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Maunabo
Maunabo experiences significant rainfall throughout the year, averaging 1374 mm (54 in) of precipitation annually. The seasons in Maunabo bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 192 mm (7.6 in) of precipitation. This rainfall is distributed across 18 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 57 mm (2.2 in) over 15 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Maunabo Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Maunabo
Maunabo enjoys sunny spells year-round. March sees up to 9.5 hours of daily sunshine, perfect for a sunny trip. November, the least sunny month, still offers a generous 6.8 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: San Juan, Puerto Rico (48 KM, 30 Miles).
Daily hours of sunshine
Data from: San Juan, Puerto Rico (48 KM, 30 Miles).
Daily percentage of sunshine
Data from: San Juan, Puerto Rico (48 KM, 30 Miles).
Humidity in Maunabo by Month
The relative humidity is high throughout the year in Maunabo.
The city experiences its highest humidity in October, reaching 77%. In March, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: San Juan, Puerto Rico (48 KM, 30 Miles).
Best Time to Visit Maunabo
For comfortable weather, consider visiting Maunabo in January, February, March, April and December. Conditions are usually least favourable in September.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
excellent
Apr
excellent
May
very good
Jun
very good
Jul
very good
Aug
mixed
Sep
wet
Oct
very good
Nov
very good
Dec
excellent
- Best overall: January, February, March, April and December
- Warmest weather: May, June, July, August, September, October and November
- Most sunshine: March and July
- Fewer rainy days: February, March, April, May and June
Frequently asked questions about the climate in Maunabo
What is the best time to visit Maunabo?
January, February, March, April and December typically offer the most optimal weather in Maunabo. In contrast, September tends to have less optimal conditions.
What temperatures can I expect in Maunabo?
Daytime highs range from 27°C (81°F) in February to 30°C (86°F) in August. Nighttime lows range from 23°C (73°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Maunabo get?
Annual rainfall is around 1374 mm (54 in). September is the wettest month with 192 mm (7.6 in), while February is the driest with 57 mm (2.2 in).
How sunny is Maunabo?
Maunabo receives around 2,966 hours of sunshine per year. March is the sunniest month with 284 hours, while November is the cloudiest with just 203 hours. Overall, Maunabo enjoys abundant sunshine.
Maunabo 3-Day Forecast
Maunabo on the map
Maunabo is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
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