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Monthly 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
8
+20
+15
8 September, sun
+20
+15
Feels like
+16
702 mmHg
34%
5.5
m/s
S
8 September, Sunday. day, 20°; night, 15°; clear
9
+19
+12
9 September, mon
+19
+12
Feels like
+15
704 mmHg
31%
4.3
m/s
SE
9 September, Monday. day, 19°; night, 12°; clear
10
+20
+14
10 September, tue
+20
+14
Feels like
+16
704 mmHg
30%
4
m/s
E
10 September, Tuesday. day, 20°; night, 14°; clear
11
+20
+13
11 September, wed
+20
+13
Feels like
+16
703 mmHg
31%
5.1
m/s
S
11 September, Wednesday. day, 20°; night, 13°; clear
12
+18
+12
12 September, thu
+18
+12
Feels like
+14
704 mmHg
31%
4
m/s
S
12 September, Thursday. day, 18°; night, 12°; clear
13
+21
+13
13 September, fri
+21
+13
Feels like
+17
703 mmHg
28%
4.4
m/s
NW
13 September, Friday. day, 21°; night, 13°; clear
14
September
+24
+14
14 September, sat
+24
+14
Feels like
+16
709 mmHg
29%
2.8
m/s
E
Climate normal
+20
+13
14 September, Saturday. day, 24°; night, 14°; clear
15
+26
+14
15 September, sun
+26
+14
Feels like
+15
708 mmHg
30%
7.6
m/s
S
Climate normal
+21
+13
15 September, Sunday. day, 26°; night, 14°; clear
16
+28
+17
16 September, mon
+28
+17
Feels like
+17
707 mmHg
29%
7.3
m/s
N
Climate normal
+21
+13
16 September, Monday. day, 28°; night, 17°; mostly clear
17
+27
+15
17 September, tue
+27
+15
Feels like
+17
701 mmHg
34%
6.7
m/s
N
Climate normal
+21
+14
17 September, Tuesday. day, 27°; night, 15°; mostly clear
18
+30
+18
18 September, wed
+30
+18
Feels like
+17
698 mmHg
31%
6.6
m/s
N
Climate normal
+21
+14
18 September, Wednesday. day, 30°; night, 18°; partly cloudy
19
+28
+14
19 September, thu
+28
+14
Feels like
+13
697 mmHg
22%
11.7
m/s
W
Climate normal
+21
+14
19 September, Thursday. day, 28°; night, 14°; clear
20
+26
+17
20 September, fri
+26
+17
Feels like
+12
699 mmHg
26%
7.9
m/s
N
Climate normal
+22
+15
20 September, Friday. day, 26°; night, 17°; partly cloudy
21
+31
+17
21 September, sat
+31
+17
Feels like
+16
698 mmHg
22%
8.6
m/s
W
Climate normal
+18
+14
21 September, Saturday. day, 31°; night, 17°; overcast
22
+27
+15
22 September, sun
+27
+15
Feels like
+15
699 mmHg
25%
5.6
m/s
S
Climate normal
+20
+12
22 September, Sunday. day, 27°; night, 15°; mostly clear
23
+26
+15
23 September, mon
+26
+15
Feels like
+14
702 mmHg
29%
6.1
m/s
SW
Climate normal
+23
+14
23 September, Monday. day, 26°; night, 15°; clear
24
+22
+14
24 September, tue
+22
+14
Feels like
+13
706 mmHg
44%
5.8
m/s
S
Climate normal
+22
+15
24 September, Tuesday. day, 22°; night, 14°; clear
25
+26
+17
25 September, wed
+26
+17
Feels like
+17
706 mmHg
45%
5
m/s
N
Climate normal
+21
+15
25 September, Wednesday. day, 26°; night, 17°; mostly clear
26
+24
+13
26 September, thu
+24
+13
Feels like
+13
667 mmHg
31%
4
m/s
S
Climate normal
+21
+14
26 September, Thursday. day, 24°; night, 13°; clear
27
+22
+11
27 September, fri
+22
+11
Feels like
+11
648 mmHg
17%
4.6
m/s
E
Climate normal
+21
+13
27 September, Friday. day, 22°; night, 11°; partly cloudy
28
+17
+9
28 September, sat
+17
+9
Feels like
+8
648 mmHg
47%
4.3
m/s
SE
Climate normal
+20
+13
28 September, Saturday. day, 17°; night, 9°; light rain
29
+11
+7
29 September, sun
+11
+7
Feels like
+5
651 mmHg
75%
3.5
m/s
E
Climate normal
+23
+14
29 September, Sunday. day, 11°; night, 7°; light rain
30
+19
+10
30 September, mon
+19
+10
Feels like
+9
650 mmHg
51%
5
m/s
NW
Climate normal
+22
+14
30 September, Monday. day, 19°; night, 10°; clear
1 October
+20
+11
1 October, tue
+20
+11
Feels like
+11
647 mmHg
41%
3.1
m/s
E
Climate normal
+20
+13
1 October, Tuesday. day, 20°; night, 11°; partly cloudy
2
+19
+10
2 October, wed
+19
+10
Feels like
+12
646 mmHg
51%
3
m/s
SW
Climate normal
+23
+14
2 October, Wednesday. day, 19°; night, 10°; mostly clear
3
+22
+10
3 October, thu
+22
+10
Feels like
+13
645 mmHg
38%
4
m/s
S
Climate normal
+25
+16
3 October, Thursday. day, 22°; night, 10°; partly cloudy
4
+23
+10
4 October, fri
+23
+10
Feels like
+12
649 mmHg
23%
3.8
m/s
SE
Climate normal
+25
+16
4 October, Friday. day, 23°; night, 10°; partly cloudy
5
+22
+10
5 October, sat
+22
+10
Feels like
+9
651 mmHg
22%
6.2
m/s
E
Climate normal
+23
+16
5 October, Saturday. day, 22°; night, 10°; partly cloudy
6
+20
+10
6 October, sun
+20
+10
Feels like
+8
652 mmHg
27%
6.3
m/s
E
Climate normal
+23
+15
6 October, Sunday. day, 20°; night, 10°; partly cloudy
7
+20
+10
7 October, mon
+20
+10
Feels like
+8
650 mmHg
40%
7
m/s
E
Climate normal
+21
+14
7 October, Monday. day, 20°; night, 10°; partly cloudy
8
+18
+9
8 October, tue
+18
+9
Feels like
+7
649 mmHg
33%
6.6
m/s
E
Climate normal
+21
+14
8 October, Tuesday. day, 18°; night, 9°; partly cloudy
9
+20
+8
9 October, wed
+20
+8
Feels like
+8
650 mmHg
21%
6.1
m/s
E
Climate normal
+22
+14
9 October, Wednesday. day, 20°; night, 8°; partly cloudy
10
+23
+11
10 October, thu
+23
+11
Feels like
+11
650 mmHg
25%
4.6
m/s
NW
Climate normal
+22
+15
10 October, Thursday. day, 23°; night, 11°; partly cloudy
11
+20
+12
11 October, fri
+20
+12
Feels like
+9
654 mmHg
21%
5.4
m/s
E
Climate normal
+23
+14
11 October, Friday. day, 20°; night, 12°; mostly clear
12
+23
+11
12 October, sat
+23
+11
Feels like
+10
652 mmHg
19%
6.2
m/s
E
Climate normal
+24
+15
12 October, Saturday. day, 23°; night, 11°; clear
Average for 30 days
16
sunny days
1
day with precipitation
13
cloudy days
16 sunny days; 1 day with precipitation; 13 cloudy days;
32
%
air humidity
5.7
m/s
Wind
E
1
mm of precipitation
(2% of annual average)
air humidity 32%; 1 millimeters of precipitation (2% of annual average); Wind easterly 5.7 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
S
N
N
N
W
N
W
S
SW
S
N
S
E
SE
E
NW
E
SW
S
SE
E
E
E
E
E
NW
E
E
E
14
Average data for 10 years
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
7
8
9
10
11
12
13
Daytime temperature
Night-time temperature
