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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
+29
+27
18 August, sun
+29
+27
Feels like
+31
754 mmHg
79%
5.4
m/s
E
+29
18 August, Sunday. day, 29°; night, 27°; clear
19
+28
+26
19 August, mon
+28
+26
Feels like
+31
755 mmHg
79%
5.4
m/s
E
+29
19 August, Monday. day, 28°; night, 26°; clear
20
+29
+26
20 August, tue
+29
+26
Feels like
+32
755 mmHg
75%
6
m/s
E
+29
20 August, Tuesday. day, 29°; night, 26°; clear
21
+28
+27
21 August, wed
+28
+27
Feels like
+31
754 mmHg
80%
5.6
m/s
E
+29
21 August, Wednesday. day, 28°; night, 27°; clear
22
+28
+26
22 August, thu
+28
+26
Feels like
+31
754 mmHg
80%
6.3
m/s
E
+29
22 August, Thursday. day, 28°; night, 26°; clear
23
+28
+27
23 August, fri
+28
+27
Feels like
+31
754 mmHg
79%
6.5
m/s
E
+29
23 August, Friday. day, 28°; night, 27°; clear
24
August
+32
+25
24 August, sat
+32
+25
Feels like
+33
759 mmHg
72%
5.4
m/s
E
+30
Climate normal
+28
+27
24 August, Saturday. day, 32°; night, 25°; light rain
25
+32
+25
25 August, sun
+32
+25
Feels like
+32
760 mmHg
70%
5.4
m/s
SE
+30
Climate normal
+29
+27
25 August, Sunday. day, 32°; night, 25°; light rain
26
+32
+26
26 August, mon
+32
+26
Feels like
+32
760 mmHg
70%
5.5
m/s
E
+30
Climate normal
+29
+27
26 August, Monday. day, 32°; night, 26°; rain
27
+32
+26
27 August, tue
+32
+26
Feels like
+33
760 mmHg
77%
5.4
m/s
E
+30
Climate normal
+29
+27
27 August, Tuesday. day, 32°; night, 26°; thunderstorm with rain
28
+32
+26
28 August, wed
+32
+26
Feels like
+33
760 mmHg
73%
5.2
m/s
E
+30
Climate normal
+28
+27
28 August, Wednesday. day, 32°; night, 26°; light rain
29
+32
+26
29 August, thu
+32
+26
Feels like
+34
760 mmHg
74%
5.4
m/s
E
+30
Climate normal
+29
+27
29 August, Thursday. day, 32°; night, 26°; light rain
30
+32
+26
30 August, fri
+32
+26
Feels like
+32
759 mmHg
72%
5.9
m/s
E
+30
Climate normal
+29
+27
30 August, Friday. day, 32°; night, 26°; light rain
31
+32
+26
31 August, sat
+32
+26
Feels like
+32
758 mmHg
72%
5.1
m/s
E
+30
Climate normal
+29
+27
31 August, Saturday. day, 32°; night, 26°; light rain
1 September
+32
+26
1 September, sun
+32
+26
Feels like
+33
759 mmHg
74%
5.1
m/s
E
+30
Climate normal
+29
+27
1 September, Sunday. day, 32°; night, 26°; light rain
2
+32
+27
2 September, mon
+32
+27
Feels like
+32
759 mmHg
74%
5.6
m/s
E
+30
Climate normal
+29
+27
2 September, Monday. day, 32°; night, 27°; rain
3
+31
+27
3 September, tue
+31
+27
Feels like
+33
758 mmHg
75%
4.7
m/s
E
Climate normal
+28
+27
3 September, Tuesday. day, 31°; night, 27°; partly cloudy
4
+31
+27
4 September, wed
+31
+27
Feels like
+33
758 mmHg
74%
4.8
m/s
E
Climate normal
+28
+26
4 September, Wednesday. day, 31°; night, 27°; partly cloudy
5
+31
+28
5 September, thu
+31
+28
Feels like
+33
758 mmHg
72%
4.9
m/s
E
Climate normal
+29
+27
5 September, Thursday. day, 31°; night, 28°; partly cloudy
6
+29
+29
6 September, fri
+29
+29
Feels like
+33
756 mmHg
74%
3
m/s
W
Climate normal
+29
+27
6 September, Friday. day, 29°; night, 29°; clear
7
+29
+29
7 September, sat
+29
+29
Feels like
+33
757 mmHg
73%
1.9
m/s
SW
Climate normal
+29
+27
7 September, Saturday. day, 29°; night, 29°; mostly clear
8
+29
+29
8 September, sun
+29
+29
Feels like
+33
757 mmHg
74%
2.3
m/s
S
Climate normal
+29
+27
8 September, Sunday. day, 29°; night, 29°; light rain
9
+29
+29
9 September, mon
+29
+29
Feels like
+32
758 mmHg
74%
3.5
m/s
SE
Climate normal
+29
+27
9 September, Monday. day, 29°; night, 29°; light rain
10
+29
+29
10 September, tue
+29
+29
Feels like
+32
759 mmHg
74%
3.4
m/s
SE
Climate normal
+28
+27
10 September, Tuesday. day, 29°; night, 29°; light rain
11
+29
+29
11 September, wed
+29
+29
Feels like
+32
757 mmHg
73%
3.2
m/s
E
Climate normal
+29
+27
11 September, Wednesday. day, 29°; night, 29°; rain
12
+29
+29
12 September, thu
+29
+29
Feels like
+31
757 mmHg
74%
5
m/s
E
Climate normal
+29
+27
12 September, Thursday. day, 29°; night, 29°; rain
13
+29
+29
13 September, fri
+29
+29
Feels like
+31
758 mmHg
77%
6.1
m/s
E
Climate normal
+29
+27
13 September, Friday. day, 29°; night, 29°; rain
14
+29
+29
14 September, sat
+29
+29
Feels like
+30
759 mmHg
77%
6.8
m/s
SE
Climate normal
+29
+27
14 September, Saturday. day, 29°; night, 29°; rain
15
+30
+29
15 September, sun
+30
+29
Feels like
+30
759 mmHg
75%
7.4
m/s
E
Climate normal
+29
+27
15 September, Sunday. day, 30°; night, 29°; rain
16
+29
+28
16 September, mon
+29
+28
Feels like
+29
758 mmHg
75%
7.7
m/s
E
Climate normal
+29
+27
16 September, Monday. day, 29°; night, 28°; light rain
17
+29
+29
17 September, tue
+29
+29
Feels like
+30
758 mmHg
77%
7
m/s
SE
Climate normal
+29
+26
17 September, Tuesday. day, 29°; night, 29°; rain
18
+30
+29
18 September, wed
+30
+29
Feels like
+30
759 mmHg
75%
6.9
m/s
SE
Climate normal
+29
+27
18 September, Wednesday. day, 30°; night, 29°; rain
19
+30
+29
19 September, thu
+30
+29
Feels like
+31
759 mmHg
74%
6
m/s
E
Climate normal
+28
+26
19 September, Thursday. day, 30°; night, 29°; mostly clear
20
+29
+29
20 September, fri
+29
+29
Feels like
+31
758 mmHg
75%
5.4
m/s
E
Climate normal
+28
+27
20 September, Friday. day, 29°; night, 29°; light rain
21
+29
+29
21 September, sat
+29
+29
Feels like
+32
758 mmHg
76%
4.2
m/s
SE
Climate normal
+28
+27
21 September, Saturday. day, 29°; night, 29°; light rain
Average for 30 days
14
sunny days
13
days with precipitation
3
cloudy days
14 sunny days; 13 days with precipitation; 3 cloudy days;
74
%
air humidity
5.1
m/s
Wind
E
30
mm of precipitation
(4% of annual average)
+30
°C
Water temperature
air humidity 74%; 30 millimeters of precipitation (4% of annual average); Wind easterly 5.1 Meters per second; Water temperature +30°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
SE
E
E
E
E
E
E
E
E
E
E
E
W
SW
S
SE
SE
E
E
E
SE
E
E
SE
SE
E
E
SE
E
24
Average data for 10 years
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
21
22
Daytime temperature
Night-time temperature
