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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
August
+33
+26
18 August, sun
+33
+26
Feels like
+33
760 mmHg
76%
5.5
m/s
SE
+30
Climate normal
+29
+27
18 August, Sunday. day, 33°; night, 26°; light rain
19
+32
+27
19 August, mon
+32
+27
Feels like
+32
761 mmHg
76%
6.5
m/s
E
+30
Climate normal
+28
+26
19 August, Monday. day, 32°; night, 27°; light rain
20
+32
+27
20 August, tue
+32
+27
Feels like
+32
761 mmHg
75%
6.4
m/s
E
+30
Climate normal
+29
+26
20 August, Tuesday. day, 32°; night, 27°; rain
21
+31
+26
21 August, wed
+31
+26
Feels like
+32
759 mmHg
79%
5.7
m/s
E
+30
Climate normal
+28
+27
21 August, Wednesday. day, 31°; night, 26°; light rain
22
+32
+27
22 August, thu
+32
+27
Feels like
+34
759 mmHg
76%
5.7
m/s
E
+30
Climate normal
+28
+26
22 August, Thursday. day, 32°; night, 27°; light rain
23
+32
+26
23 August, fri
+32
+26
Feels like
+33
759 mmHg
76%
5.4
m/s
E
+30
Climate normal
+28
+27
23 August, Friday. day, 32°; night, 26°; light rain
24
+31
+26
24 August, sat
+31
+26
Feels like
+33
759 mmHg
74%
5.1
m/s
E
+30
Climate normal
+28
+27
24 August, Saturday. day, 31°; night, 26°; light rain
25
+32
+26
25 August, sun
+32
+26
Feels like
+32
759 mmHg
71%
5.2
m/s
E
+30
Climate normal
+29
+27
25 August, Sunday. day, 32°; night, 26°; light rain
26
+32
+27
26 August, mon
+32
+27
Feels like
+34
760 mmHg
72%
4.8
m/s
E
+30
Climate normal
+29
+27
26 August, Monday. day, 32°; night, 27°; light rain
27
+32
+27
27 August, tue
+32
+27
Feels like
+33
759 mmHg
74%
5.2
m/s
E
+30
Climate normal
+29
+27
27 August, Tuesday. day, 32°; night, 27°; partly cloudy
28
+32
+27
28 August, wed
+32
+27
Feels like
+32
759 mmHg
73%
5.3
m/s
E
Climate normal
+28
+27
28 August, Wednesday. day, 32°; night, 27°; partly cloudy
29
+31
+27
29 August, thu
+31
+27
Feels like
+32
759 mmHg
71%
5.6
m/s
E
Climate normal
+29
+27
29 August, Thursday. day, 31°; night, 27°; partly cloudy
30
+29
+29
30 August, fri
+29
+29
Feels like
+33
758 mmHg
74%
3.2
m/s
E
Climate normal
+29
+27
30 August, Friday. day, 29°; night, 29°; clear
31
+29
+29
31 August, sat
+29
+29
Feels like
+32
759 mmHg
74%
3.9
m/s
E
Climate normal
+29
+27
31 August, Saturday. day, 29°; night, 29°; clear
1 September
+29
+29
1 September, sun
+29
+29
Feels like
+31
758 mmHg
72%
5
m/s
NE
Climate normal
+29
+27
1 September, Sunday. day, 29°; night, 29°; mostly clear
2
+29
+28
2 September, mon
+29
+28
Feels like
+29
756 mmHg
80%
7.3
m/s
NE
Climate normal
+29
+27
2 September, Monday. day, 29°; night, 28°; rain
3
+29
+29
3 September, tue
+29
+29
Feels like
+32
756 mmHg
78%
4.8
m/s
S
Climate normal
+28
+27
3 September, Tuesday. day, 29°; night, 29°; rain
4
+30
+29
4 September, wed
+30
+29
Feels like
+30
758 mmHg
78%
7.4
m/s
SE
Climate normal
+28
+26
4 September, Wednesday. day, 30°; night, 29°; light rain
5
+29
+29
5 September, thu
+29
+29
Feels like
+31
757 mmHg
75%
6.1
m/s
E
Climate normal
+29
+27
5 September, Thursday. day, 29°; night, 29°; mostly clear
6
+29
+28
6 September, fri
+29
+28
Feels like
+30
757 mmHg
74%
6.9
m/s
E
Climate normal
+29
+27
6 September, Friday. day, 29°; night, 28°; light rain
7
+29
+29
7 September, sat
+29
+29
Feels like
+29
757 mmHg
77%
8.4
m/s
E
Climate normal
+29
+27
7 September, Saturday. day, 29°; night, 29°; light rain
8
+30
+29
8 September, sun
+30
+29
Feels like
+30
759 mmHg
77%
6.8
m/s
E
Climate normal
+29
+27
8 September, Sunday. day, 30°; night, 29°; rain
9
+29
+28
9 September, mon
+29
+28
Feels like
+29
757 mmHg
77%
8.4
m/s
E
Climate normal
+29
+27
9 September, Monday. day, 29°; night, 28°; light rain
10
+29
+29
10 September, tue
+29
+29
Feels like
+28
757 mmHg
78%
8.6
m/s
S
Climate normal
+28
+27
10 September, Tuesday. day, 29°; night, 29°; rain
11
+30
+29
11 September, wed
+30
+29
Feels like
+32
757 mmHg
77%
7.4
m/s
SE
Climate normal
+29
+27
11 September, Wednesday. day, 30°; night, 29°; rain
12
+30
+29
12 September, thu
+30
+29
Feels like
+30
758 mmHg
74%
6.5
m/s
SE
Climate normal
+29
+27
12 September, Thursday. day, 30°; night, 29°; clear
13
+29
+29
13 September, fri
+29
+29
Feels like
+30
759 mmHg
71%
6.3
m/s
E
Climate normal
+29
+27
13 September, Friday. day, 29°; night, 29°; clear
14
+29
+29
14 September, sat
+29
+29
Feels like
+31
758 mmHg
73%
4.8
m/s
E
Climate normal
+29
+27
14 September, Saturday. day, 29°; night, 29°; light rain
15
+29
+28
15 September, sun
+29
+28
Feels like
+32
758 mmHg
72%
3.4
m/s
SE
Climate normal
+29
+27
15 September, Sunday. day, 29°; night, 28°; clear
16
+29
+29
16 September, mon
+29
+29
Feels like
+31
759 mmHg
73%
5
m/s
E
Climate normal
+29
+27
16 September, Monday. day, 29°; night, 29°; clear
Average data for 10 years
Next, the average data for 10 years
17
+29
+26
17 September, tue
+29
+26
Feels like
+32
754 mmHg
76%
4.3
m/s
E
+29
17 September, Tuesday. day, 29°; night, 26°; rain
18
+29
+27
18 September, wed
+29
+27
Feels like
+32
754 mmHg
77%
5
m/s
E
+29
18 September, Wednesday. day, 29°; night, 27°; rain
19
+28
+26
19 September, thu
+28
+26
Feels like
+31
752 mmHg
79%
6.3
m/s
E
+29
19 September, Thursday. day, 28°; night, 26°; rain
20
+28
+27
20 September, fri
+28
+27
Feels like
+32
753 mmHg
79%
5
m/s
E
+29
20 September, Friday. day, 28°; night, 27°; clear
21
+28
+27
21 September, sat
+28
+27
Feels like
+32
753 mmHg
79%
5
m/s
E
+29
21 September, Saturday. day, 28°; night, 27°; clear
Average for 30 days
14
sunny days
13
days with precipitation
3
cloudy days
14 sunny days; 13 days with precipitation; 3 cloudy days;
75
%
air humidity
5.9
m/s
Wind
E
24
mm of precipitation
(4% of annual average)
+30
°C
Water temperature
air humidity 75%; 24 millimeters of precipitation (4% of annual average); Wind easterly 5.9 Meters per second; Water temperature +30°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SE
E
E
E
E
E
E
E
E
E
E
E
E
E
NE
NE
S
SE
E
E
E
E
E
S
SE
SE
E
E
SE
E
18
Average data for 10 years
19
20
21
22
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
Daytime temperature
Night-time temperature
