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Arecibo, USA Weather Averages

August is the hottest month in Arecibo with an average temperature of 29°C (83°F) and the coldest is January at 25°C (76°F) with the most daily sunshine hours at 10 in August. The wettest month is May with an average of 136.5mm of rain. The best month to swim in the sea is in August when the average sea temperature is 29°C (84°F).

Average Temperature Arecibo

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Arecibo

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Arecibo

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours Arecibo

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Average Sea Temperature Arecibo

What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface
What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

Arecibo : Next 24-Hour Weather

Today - 1st February 2026

Sunrise 07:00

Sunrise

Sunset 18:21

Sunset
3:00
Thundery outbreaks possible
24°C (75°F)
4:00
Partly cloudy
24°C (75°F)
5:00
Clear
24°C (74°F)
6:00
Clear
24°C (74°F)
7:00
Cloudy
24°C (75°F)
8:00
Overcast
25°C (77°F)
9:00
Cloudy
27°C (79°F)
10:00
Clear
30°C (84°F)
11:00
Clear
31°C (87°F)
12:00
Clear
31°C (87°F)
13:00
Thundery outbreaks possible
30°C (86°F)
14:00
Light rain shower
30°C (84°F)
15:00
Thundery outbreaks possible
29°C (83°F)
16:00
Thundery outbreaks possible
28°C (81°F)
17:00
Moderate or heavy rain shower
27°C (80°F)
18:00
Thundery outbreaks possible
26°C (79°F)
19:00
Thundery outbreaks possible
26°C (78°F)
20:00
Moderate or heavy rain shower
26°C (78°F)
21:00
Moderate or heavy rain shower
26°C (78°F)
22:00
Moderate or heavy rain shower
25°C (75°F)
23:00
Patchy rain possible
25°C (76°F)

Tomorrow - 2nd February 2026

Sunrise 07:00

Sunrise

Sunset 18:21

Sunset
0:00
Partly cloudy
25°C (76°F)
1:00
Partly cloudy
25°C (76°F)
2:00
Partly cloudy
25°C (75°F)