Puerto Rico · 1991–2020 normal

Hatillo in
May.

Typical May weather in Hatillo: 29.6°C by day, 18.7°C at night, 264 mm of rain over 14.7 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high29.6°C
Typical low18.7°C
Rain264 mm
Wet days14.7

In the year-round weather comparison, May scores 32 out of 100 (February leads the year at 73). Daylight is calculated as 13 h from latitude 18.49°. Open-water sea temperature is 27.4°C (16 km from the place centre).

May at a glance

What is Hatillo like in May?

Plain answers from the measured climate record—not a forecast or a promise about a particular trip.

Is Hatillo hot in May?

Days are typically warm at 29.6°C, while nights average 18.7°C.

Does it rain much?

The measured monthly average is 264 mm across about 15 wet days.

How much daylight is there?

There are about 13 h between sunrise and sunset at mid-month, calculated from the place latitude.

Is May a good time to visit?

May ranks 10 of 12 in our weather comparison; February ranks first.

Event window

Warm sea in May

The nearest open-water NOAA OISST 1991–2020 cell averages 27.4°C in May. A sheltered bay can run warmer than that open-water cell.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4565346
NOAA station
RQC00660426 · ARECIBO OBSY
Station distance
17.1 km from the place centre
Coverage
Strong coverage · 29 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

Next step

Choose your month.
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The weather comparison for Hatillo is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

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