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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
25
+21
+11
25 August, sun
+21
+11
Feels like
+17
703 mmHg
21%
4
m/s
W
25 August, Sunday. day, 21°; night, 11°; clear
26
+22
+13
26 August, mon
+22
+13
Feels like
+17
702 mmHg
20%
4.9
m/s
SW
26 August, Monday. day, 22°; night, 13°; clear
27
+23
+14
27 August, tue
+23
+14
Feels like
+19
701 mmHg
20%
5.5
m/s
W
27 August, Tuesday. day, 23°; night, 14°; clear
28
August
+21
+12
28 August, wed
+21
+12
Feels like
+10
706 mmHg
38%
5.9
m/s
SE
Climate normal
+20
+13
28 August, Wednesday. day, 21°; night, 12°; overcast
29
+14
+9
29 August, thu
+14
+9
Feels like
+8
711 mmHg
62%
6.8
m/s
S
Climate normal
+23
+14
29 August, Thursday. day, 14°; night, 9°; light rain
30
+13
+8
30 August, fri
+13
+8
Feels like
+7
711 mmHg
79%
5.3
m/s
S
Climate normal
+21
+15
30 August, Friday. day, 13°; night, 8°; rain
31
+18
+9
31 August, sat
+18
+9
Feels like
+11
712 mmHg
66%
3
m/s
NW
Climate normal
+22
+14
31 August, Saturday. day, 18°; night, 9°; mostly clear
1 September
+23
+12
1 September, sun
+23
+12
Feels like
+13
707 mmHg
54%
3.7
m/s
NE
Climate normal
+19
+13
1 September, Sunday. day, 23°; night, 12°; mostly clear
2
+29
+15
2 September, mon
+29
+15
Feels like
+14
700 mmHg
44%
7.1
m/s
NW
Climate normal
+17
+12
2 September, Monday. day, 29°; night, 15°; mostly clear
3
+20
+10
3 September, tue
+20
+10
Feels like
+10
707 mmHg
37%
7.1
m/s
S
Climate normal
+17
+11
3 September, Tuesday. day, 20°; night, 10°; partly cloudy
4
+22
+12
4 September, wed
+22
+12
Feels like
+11
704 mmHg
43%
4.8
m/s
SW
Climate normal
+18
+11
4 September, Wednesday. day, 22°; night, 12°; partly cloudy
5
+21
+10
5 September, thu
+21
+10
Feels like
+10
709 mmHg
44%
6.5
m/s
SE
Climate normal
+20
+12
5 September, Thursday. day, 21°; night, 10°; mostly clear
6
+25
+16
6 September, fri
+25
+16
Feels like
+14
705 mmHg
44%
6.2
m/s
N
Climate normal
+20
+13
6 September, Friday. day, 25°; night, 16°; clear
7
+21
+12
7 September, sat
+21
+12
Feels like
+11
706 mmHg
46%
7.4
m/s
S
Climate normal
+22
+13
7 September, Saturday. day, 21°; night, 12°; mostly clear
8
+23
+14
8 September, sun
+23
+14
Feels like
+12
707 mmHg
45%
5.2
m/s
S
Climate normal
+20
+15
8 September, Sunday. day, 23°; night, 14°; mostly clear
9
+26
+12
9 September, mon
+26
+12
Feels like
+14
649 mmHg
23%
3.3
m/s
E
Climate normal
+19
+12
9 September, Monday. day, 26°; night, 12°; clear
10
+27
+14
10 September, tue
+27
+14
Feels like
+13
648 mmHg
21%
4.5
m/s
E
Climate normal
+20
+14
10 September, Tuesday. day, 27°; night, 14°; clear
11
+24
+12
11 September, wed
+24
+12
Feels like
+13
649 mmHg
32%
4
m/s
E
Climate normal
+20
+13
11 September, Wednesday. day, 24°; night, 12°; clear
12
+26
+14
12 September, thu
+26
+14
Feels like
+14
646 mmHg
25%
4.3
m/s
E
Climate normal
+18
+12
12 September, Thursday. day, 26°; night, 14°; clear
13
+22
+9
13 September, fri
+22
+9
Feels like
+11
647 mmHg
22%
5.3
m/s
S
Climate normal
+21
+13
13 September, Friday. day, 22°; night, 9°; clear
14
+17
+7
14 September, sat
+17
+7
Feels like
+5
652 mmHg
26%
6.1
m/s
E
Climate normal
+20
+13
14 September, Saturday. day, 17°; night, 7°; clear
15
+12
+3
15 September, sun
+12
+3
Feels like
+1
653 mmHg
54%
6.3
m/s
E
Climate normal
+21
+13
15 September, Sunday. day, 12°; night, 3°; partly cloudy
16
+17
+6
16 September, mon
+17
+6
Feels like
+5
648 mmHg
35%
5.3
m/s
E
Climate normal
+21
+13
16 September, Monday. day, 17°; night, 6°; clear
17
+17
+7
17 September, tue
+17
+7
Feels like
+7
646 mmHg
38%
3.7
m/s
E
Climate normal
+21
+14
17 September, Tuesday. day, 17°; night, 7°; partly cloudy
18
+20
+8
18 September, wed
+20
+8
Feels like
+9
650 mmHg
31%
5.7
m/s
E
Climate normal
+21
+14
18 September, Wednesday. day, 20°; night, 8°; mostly clear
19
+20
+10
19 September, thu
+20
+10
Feels like
+10
647 mmHg
35%
3.2
m/s
NW
Climate normal
+21
+14
19 September, Thursday. day, 20°; night, 10°; mostly clear
20
+19
+7
20 September, fri
+19
+7
Feels like
+7
649 mmHg
19%
4.8
m/s
SW
Climate normal
+22
+15
20 September, Friday. day, 19°; night, 7°; mostly clear
21
+17
+6
21 September, sat
+17
+6
Feels like
+5
652 mmHg
28%
4.8
m/s
E
Climate normal
+18
+14
21 September, Saturday. day, 17°; night, 6°; clear
22
+20
+7
22 September, sun
+20
+7
Feels like
+8
649 mmHg
33%
5.1
m/s
E
Climate normal
+20
+12
22 September, Sunday. day, 20°; night, 7°; clear
23
+19
+9
23 September, mon
+19
+9
Feels like
+8
652 mmHg
47%
6.2
m/s
E
Climate normal
+23
+14
23 September, Monday. day, 19°; night, 9°; mostly clear
24
+12
+9
24 September, tue
+12
+9
Feels like
+6
655 mmHg
76%
4.9
m/s
E
Climate normal
+22
+15
24 September, Tuesday. day, 12°; night, 9°; light rain
25
+18
+8
25 September, wed
+18
+8
Feels like
+8
653 mmHg
62%
5.8
m/s
NE
Climate normal
+21
+15
25 September, Wednesday. day, 18°; night, 8°; partly cloudy
26
+21
+11
26 September, thu
+21
+11
Feels like
+10
653 mmHg
48%
5.9
m/s
E
Climate normal
+21
+14
26 September, Thursday. day, 21°; night, 11°; clear
Average data for 10 years
Next, the average data for 10 years
27
+21
+13
27 September, fri
+21
+13
Feels like
+17
702 mmHg
34%
4.5
m/s
S
27 September, Friday. day, 21°; night, 13°; clear
28
+20
+13
28 September, sat
+20
+13
Feels like
+16
703 mmHg
34%
5.3
m/s
S
28 September, Saturday. day, 20°; night, 13°; clear
Average for 30 days
21
sunny days
3
days with precipitation
6
cloudy days
21 sunny days; 3 days with precipitation; 6 cloudy days;
42
%
air humidity
5.3
m/s
Wind
E
7
mm of precipitation
(8% of annual average)
air humidity 42%; 7 millimeters of precipitation (8% of annual average); Wind easterly 5.3 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SE
S
S
NW
NE
NW
S
SW
SE
N
S
S
E
E
E
E
S
E
E
E
E
E
NW
SW
E
E
E
E
NE
E
28
Average data for 10 years
29
30
31
1
September
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
Daytime temperature
Night-time temperature
