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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
18
+19
+12
18 August, sun
+19
+12
Feels like
+15
704 mmHg
31%
3.7
m/s
SW
18 August, Sunday. day, 19°; night, 12°; clear
19
+19
+13
19 August, mon
+19
+13
Feels like
+15
704 mmHg
27%
4
m/s
SW
19 August, Monday. day, 19°; night, 13°; clear
20
+19
+12
20 August, tue
+19
+12
Feels like
+15
703 mmHg
25%
4.4
m/s
SW
20 August, Tuesday. day, 19°; night, 12°; clear
21
+19
+12
21 August, wed
+19
+12
Feels like
+15
701 mmHg
27%
5
m/s
S
21 August, Wednesday. day, 19°; night, 12°; clear
22
August
+12
+4
22 August, thu
+12
+4
Feels like
+4
707 mmHg
59%
4.8
m/s
S
Climate normal
+18
+12
22 August, Thursday. day, 12°; night, 4°; partly cloudy
23
+14
+4
23 August, fri
+14
+4
Feels like
+4
709 mmHg
48%
5.8
m/s
S
Climate normal
+18
+11
23 August, Friday. day, 14°; night, 4°; partly cloudy
24
+14
+4
24 August, sat
+14
+4
Feels like
+5
715 mmHg
54%
5.3
m/s
S
Climate normal
+18
+11
24 August, Saturday. day, 14°; night, 4°; mostly clear
25
+19
+7
25 August, sun
+19
+7
Feels like
+6
711 mmHg
59%
3.9
m/s
W
Climate normal
+21
+11
25 August, Sunday. day, 19°; night, 7°; partly cloudy
26
+19
+7
26 August, mon
+19
+7
Feels like
+8
708 mmHg
52%
5.4
m/s
S
Climate normal
+22
+13
26 August, Monday. day, 19°; night, 7°; clear
27
+20
+10
27 August, tue
+20
+10
Feels like
+10
707 mmHg
49%
4.2
m/s
NW
Climate normal
+23
+14
27 August, Tuesday. day, 20°; night, 10°; mostly clear
28
+20
+12
28 August, wed
+20
+12
Feels like
+8
703 mmHg
51%
7.7
m/s
SW
Climate normal
+20
+13
28 August, Wednesday. day, 20°; night, 12°; partly cloudy
29
+19
+11
29 August, thu
+19
+11
Feels like
+9
705 mmHg
50%
6.4
m/s
S
Climate normal
+23
+14
29 August, Thursday. day, 19°; night, 11°; light rain
30
+16
+8
30 August, fri
+16
+8
Feels like
+7
709 mmHg
62%
6.8
m/s
S
Climate normal
+21
+15
30 August, Friday. day, 16°; night, 8°; partly cloudy
31
+20
+10
31 August, sat
+20
+10
Feels like
+10
710 mmHg
55%
4.6
m/s
NW
Climate normal
+22
+14
31 August, Saturday. day, 20°; night, 10°; clear
1 September
+22
+12
1 September, sun
+22
+12
Feels like
+12
706 mmHg
56%
4.4
m/s
SW
Climate normal
+19
+13
1 September, Sunday. day, 22°; night, 12°; clear
2
+26
+14
2 September, mon
+26
+14
Feels like
+15
707 mmHg
50%
5
m/s
NE
Climate normal
+17
+12
2 September, Monday. day, 26°; night, 14°; mostly clear
3
+19
+8
3 September, tue
+19
+8
Feels like
+9
669 mmHg
45%
5.3
m/s
E
Climate normal
+17
+11
3 September, Tuesday. day, 19°; night, 8°; clear
4
+19
+7
4 September, wed
+19
+7
Feels like
+8
647 mmHg
35%
3.8
m/s
W
Climate normal
+18
+11
4 September, Wednesday. day, 19°; night, 7°; clear
5
+18
+7
5 September, thu
+18
+7
Feels like
+5
650 mmHg
24%
5.4
m/s
SW
Climate normal
+20
+12
5 September, Thursday. day, 18°; night, 7°; clear
6
+18
+8
6 September, fri
+18
+8
Feels like
+7
651 mmHg
26%
4.1
m/s
E
Climate normal
+20
+13
6 September, Friday. day, 18°; night, 8°; clear
7
+19
+9
7 September, sat
+19
+9
Feels like
+9
651 mmHg
42%
3.9
m/s
E
Climate normal
+22
+13
7 September, Saturday. day, 19°; night, 9°; mostly clear
8
+21
+9
8 September, sun
+21
+9
Feels like
+11
650 mmHg
36%
3.4
m/s
E
Climate normal
+20
+15
8 September, Sunday. day, 21°; night, 9°; clear
9
+19
+8
9 September, mon
+19
+8
Feels like
+8
651 mmHg
25%
4.9
m/s
E
Climate normal
+19
+12
9 September, Monday. day, 19°; night, 8°; partly cloudy
10
+15
+9
10 September, tue
+15
+9
Feels like
+6
653 mmHg
62%
5.2
m/s
E
Climate normal
+20
+14
10 September, Tuesday. day, 15°; night, 9°; mostly clear
11
+18
+8
11 September, wed
+18
+8
Feels like
+10
649 mmHg
44%
3.2
m/s
NE
Climate normal
+20
+13
11 September, Wednesday. day, 18°; night, 8°; partly cloudy
12
+17
+9
12 September, thu
+17
+9
Feels like
+8
650 mmHg
41%
4.2
m/s
E
Climate normal
+18
+12
12 September, Thursday. day, 17°; night, 9°; partly cloudy
13
+19
+9
13 September, fri
+19
+9
Feels like
+9
649 mmHg
47%
4.3
m/s
E
Climate normal
+21
+13
13 September, Friday. day, 19°; night, 9°; mostly clear
14
+17
+9
14 September, sat
+17
+9
Feels like
+9
651 mmHg
58%
4.7
m/s
E
Climate normal
+20
+13
14 September, Saturday. day, 17°; night, 9°; partly cloudy
15
+16
+8
15 September, sun
+16
+8
Feels like
+7
653 mmHg
70%
5.9
m/s
E
Climate normal
+21
+13
15 September, Sunday. day, 16°; night, 8°; partly cloudy
16
+20
+10
16 September, mon
+20
+10
Feels like
+10
649 mmHg
46%
4.1
m/s
NW
Climate normal
+21
+13
16 September, Monday. day, 20°; night, 10°; mostly clear
17
+23
+11
17 September, tue
+23
+11
Feels like
+10
647 mmHg
23%
4.8
m/s
NW
Climate normal
+21
+14
17 September, Tuesday. day, 23°; night, 11°; clear
18
+23
+11
18 September, wed
+23
+11
Feels like
+9
648 mmHg
15%
5.8
m/s
W
Climate normal
+21
+14
18 September, Wednesday. day, 23°; night, 11°; clear
19
+19
+9
19 September, thu
+19
+9
Feels like
+9
649 mmHg
23%
4.8
m/s
SE
Climate normal
+21
+14
19 September, Thursday. day, 19°; night, 9°; mostly clear
20
+12
+4
20 September, fri
+12
+4
Feels like
0
655 mmHg
49%
8
m/s
E
Climate normal
+22
+15
20 September, Friday. day, 12°; night, 4°; mostly clear
Average data for 10 years
Next, the average data for 10 years
21
+18
+14
21 September, sat
+18
+14
Feels like
+14
704 mmHg
33%
5.6
m/s
S
21 September, Saturday. day, 18°; night, 14°; clear
Average for 30 days
19
sunny days
1
day with precipitation
10
cloudy days
19 sunny days; 1 day with precipitation; 10 cloudy days;
45
%
air humidity
5
m/s
Wind
E
0.4
mm of precipitation
(1% of annual average)
air humidity 45%; 0.4 millimeters of precipitation (1% of annual average); Wind easterly 5 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
S
S
W
S
NW
SW
S
S
NW
SW
NE
E
W
SW
E
E
E
E
E
NE
E
E
E
E
NW
NW
W
SE
E
22
Average data for 10 years
23
24
25
26
27
28
29
30
31
1
September
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Daytime temperature
Night-time temperature
