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October weather forecast in San Juan

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

28 September, sun

	760 mmHg		82%
	4.4 m/s		+29

28 September, Sunday. day, 30°; night, 25°; rain

29 September, mon

	760 mmHg		82%
	4.5 m/s		+29

29 September, Monday. day, 30°; night, 25°; rain

30 September, tue

	760 mmHg		82%
	4.4 m/s		+29

30 September, Tuesday. day, 30°; night, 25°; rain

1 October, wed

	760 mmHg		82%
	4.6 m/s		+29

1 October, Wednesday. day, 30°; night, 25°; rain

2 October, thu

	760 mmHg		82%
	4.69 m/s		+29

2 October, Thursday. day, 30°; night, 25°; rain

3 October, fri

	760 mmHg		82%
	4.6 m/s		+29

3 October, Friday. day, 30°; night, 25°; rain

4 October, sat

	760 mmHg		82%
	4.69 m/s		+29

4 October, Saturday. day, 29°; night, 26°; rain

5 October, sun

	760 mmHg		82%
	4.6 m/s		+29

5 October, Sunday. day, 30°; night, 25°; rain

6 October, mon

	760 mmHg		82%
	4.4 m/s		+29

6 October, Monday. day, 30°; night, 25°; rain

7 October, tue

	760 mmHg		82%
	4.4 m/s		+29

7 October, Tuesday. day, 30°; night, 25°; partly cloudy

8 October, wed

	760 mmHg		83%
	4.4 m/s		+29

8 October, Wednesday. day, 30°; night, 25°; rain

9 October, thu

	760 mmHg		83%
	4.4 m/s		+29

9 October, Thursday. day, 29°; night, 25°; rain

10 October, fri

	760 mmHg		83%
	4.3 m/s		+29

10 October, Friday. day, 29°; night, 25°; rain

11 October, sat

	760 mmHg		84%
	4.1 m/s		+29

11 October, Saturday. day, 29°; night, 25°; rain

12 October, sun

	760 mmHg		84%
	4.3 m/s		+29

12 October, Sunday. day, 29°; night, 25°; rain

13 October, mon

	759 mmHg		84%
	4.19 m/s		+29

13 October, Monday. day, 29°; night, 25°; rain

14 October, tue

	759 mmHg		83%
	4 m/s		+29

14 October, Tuesday. day, 29°; night, 25°; overcast

15 October, wed

	759 mmHg		83%
	4.3 m/s		+29

15 October, Wednesday. day, 29°; night, 25°; rain

16 October, thu

	760 mmHg		82%
	4.19 m/s		+29

16 October, Thursday. day, 29°; night, 25°; rain

17 October, fri

	760 mmHg		82%
	4.1 m/s		+29

17 October, Friday. day, 29°; night, 25°; rain

18 October, sat

	760 mmHg		82%
	4.4 m/s		+29

18 October, Saturday. day, 29°; night, 25°; rain

19 October, sun

	760 mmHg		82%
	4.5 m/s		+29

19 October, Sunday. day, 29°; night, 25°; clear

20 October, mon

	760 mmHg		83%
	4.5 m/s		+29

20 October, Monday. day, 29°; night, 25°; clear

21 October, tue

	760 mmHg		83%
	4.4 m/s		+29

21 October, Tuesday. day, 29°; night, 25°; rain

22 October, wed

	759 mmHg		82%
	4.4 m/s		+29

22 October, Wednesday. day, 29°; night, 25°; clear

23 October, thu

	760 mmHg		82%
	4.3 m/s		+29

23 October, Thursday. day, 29°; night, 25°; clear

24 October, fri

	760 mmHg		82%
	4.1 m/s		+29

24 October, Friday. day, 29°; night, 25°; clear

25 October, sat

	760 mmHg		82%
	4.4 m/s		+29

25 October, Saturday. day, 29°; night, 25°; clear

26 October, sun

	760 mmHg		83%
	4.5 m/s		+29

26 October, Sunday. day, 29°; night, 25°; rain

27 October, mon

	760 mmHg		83%
	4.5 m/s		+29

27 October, Monday. day, 29°; night, 25°; rain

28 October, tue

	760 mmHg		83%
	4.6 m/s		+29

28 October, Tuesday. day, 29°; night, 25°; rain

29 October, wed

	760 mmHg		84%
	4.4 m/s		+29

29 October, Wednesday. day, 29°; night, 25°; rain

30 October, thu

	760 mmHg		83%
	4.3 m/s		+29

30 October, Thursday. day, 29°; night, 25°; rain

31 October, fri

	760 mmHg		83%
	4.5 m/s		+29

31 October, Friday. day, 29°; night, 25°; rain

1 November, sat

	760 mmHg		84%
	4.69 m/s		+29

1 November, Saturday. day, 28°; night, 25°; rain

Average data for 10 years

San Juan October

6

sunny days

23

days with precipitation

7

cloudy days

6 sunny days; 23 days with precipitation; 7 cloudy days;

83

%

air humidity

3.1

m/s

WindSE

134

mm of precipitation

(13% of annual average)

+29

°C

Water temperature

air humidity 83%; 134 millimeters of precipitation (13% of annual average); Wind south-easterly 3.1 Meters per second; Water temperature +29°

Weather graphs for October

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

E

E

E

E

E

SE

E

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

E

E

E

E

SE

SE

SE

E

E

E

E

E

E

E

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Punta Cana
Santo Domingo
Boca Chica
Charlotte Amalie
The Valley
Samana
La Romana
Rio Grande
Road Town

Cities with similar weather in October

Bangkok
Santo Domingo
Male
Phan Thiet
Samui
Colombo
Krabi
Boca Chica
Manila

The weather forecast for October 2025 is based on historical data from the past 10 years.

In October, the weather in San Juan is typically hot. Average daily high temperature in October is about 29 degrees above zero. On average, San Juan has 23 rainy, 6 sunny, 1 cloudy, and 1 partly cloudy day in October. The rains are usually heavy. October as well as May, June, July, and August is considered the most uncomfortable time to visit San Juan.

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