Weather in San Jose: August
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Average day temperature: | 75.4°F |
| Average night temperature: | 59.9°F | |
 |
Sea water temperature: | 84.2°F |
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Number of sunny days: | 2 days |
| Day length: | 12.3 - 12.5 hours | |
 |
Number of rainy days: | 24 days |
| Precipitation totals: | 18.7 in. | |
| more information | ||
14 days
forecast
forecast
| San Jose |
sea water
temperature
temperature
| San Jose |
Air temperature in August, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
13
26
39
52
65
78
91
104
| Day temperature | Night temperature |
The highest day temperature during August of 2024 was 78°F. At the same time the lowest night temperature was 57°F. Day and night temperature averages during August were 73.2°F and 59.5°F.
Sea water temperature in San Jose in August, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
78
80
82
84
86
88
90
92
The average sea water temperature in August of 2024 was 84.2°F. The highest and lowest sea temperatures during the month were 85.3°F and 82.8°F.
Sunny, partly cloudy and cloudy days
| Sunny days | |
| Partly cloudy days | |
| Cloudy days |
6%
35%
58%
Mostly all days in August are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in August, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
3
6
9
12
15
18
21
24
27
3.7
10.5
22.5
21.0
14.8
21.3
20.1
6.2
2.1
2.0
3.7
10.5
22.5
21.0
18.8
14.8
21.3
20.1
6.2
2.1
2.0
Precipitation total value in San Jose in August is 18.8 in.
Wind speed in August, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.1
2.2
3.3
4.3
5.4
6.5
7.6
5.3
3.4
2.5
2.4
3.9
2.7
2.8
4.0
5.4
6.3
6.0
5.3
3.4
2.5
2.4
3.0
3.9
2.7
2.8
4.0
5.4
6.3
6.0
The average wind speed value in August is 3.0 mph
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.1
2.3
3.4
4.6
5.7
6.8
8.0
5.3
3.3
3.6
4.1
4.4
4.2
5.2
6.0
6.5
6.6
6.2
5.3
3.3
3.6
4.1
4.3
4.4
4.2
5.2
6.0
6.5
6.6
6.2
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 4.3.
Best time for vacation in San Jose
San Jose on a weather map
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Places in Costa Rica:
Name
°F
24 Hours Forecast
San Jose
Local time: 16:59
March 13, thursday
1800
63°F
SW
2 mph
2 mph
2100
59°F
W
3 mph
3 mph
March 14, friday
0000
57°F
W
4 mph
4 mph
0300
55°F
W
4 mph
4 mph
0600
54°F
SW
4 mph
4 mph
0900
77°F
SW
2 mph
2 mph
1200
84°F
SE
2 mph
2 mph
1500
81°F
SE
2 mph
2 mph
