World Resorts Costa Rica San Jose Weather

San Jose weather in July

Weather in San Jose: July

Average day temperature: 74.8°F
Average night temperature: 59.9°F
Sea water temperature: 84.1°F
Number of sunny days: 1 day
Day length: 11.7 - 12.7 hours
Number of rainy days: 21 days
Precipitation totals: 16.3 in.

Air temperature in July, °F

Show year:
2025
2024
2023

The highest day temperature during July of 2025 was 78°F. At the same time the lowest night temperature was 56°F. Daily and nightly averages during July were 73.3°F and 59.8°F.

Sea water temperature in San Jose in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 85.1°F. The highest and lowest sea temperatures during the month were 86.7°F and 84.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in July are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in July, in.

Precipitation total value in San Jose in July is 13.9 in.

Wind speed in July, mph

The average wind speed value in July is 3.9 mph

Average sunny hours

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 July is: 4.4.

Best time for vacation in San Jose

Sunniest months:
February 14 days
January 13 days
March 12 days
Warmest months:
March 80.0 °F
April 79.3 °F
February 78.7 °F
Warmest sea temp:
April 85.7 °F
March 85.4 °F
May 85.1 °F
Coldest months:
November 73.5 °F
October 73.8 °F
July 74.8 °F
Rainiest months:
October 25 days
June 25 days
September 25 days
Windiest months:
February 6.3 mph
January 6.1 mph
March 5.5 mph

San Jose on a weather map

San Jose
+57°F
W 4 mph
Feels like: +57°F
Precip.: 0%
Places in Costa Rica:
Name
°F
+61°F
+79°F
+73°F
+73°F
+73°F
+73°F
+75°F
+57°F
+79°F
+79°F
+75°F
+57°F
24 Hours Forecast
San Jose
Local time: 22:00
December 05, friday
0000
54°F
W
5 mph
0300
54°F
W
5 mph
0600
54°F
W
5 mph
0900
70°F
SW
2 mph
1200
79°F
S
2 mph
1500
72°F
SE
2 mph
1800
57°F
SW
2 mph
2100
55°F
W
4 mph
Units of measurement: °C / °F