World Resorts USA San Jose Weather

San Jose sea water temperature

Current sea water temperature:
+67.8°F
Minimum sea water temperature in June: 70.3°F
Maximum sea water temperature in June: 51.6°F
Average sea water temperature in June: 60.8°F

Sea water temperature for the last 10 days:

June 25 67.8°F June 20 66.6°F
June 24 68.9°F June 19 67.3°F
June 23 69.3°F June 18 66.7°F
June 22 68.0°F June 17 66.6°F
June 21 65.7°F June 16 66.4°F

When is the warmest sea in San Jose?

Based on the data about daily sea water temperature for the last three years the warmest sea in San Jose was noticed in September, August and July.

Monthly Sea Temperatures in San Jose, °F

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 69.5°F. The highest and lowest sea temperatures during the month were 72.5°F and 66.7°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 67.0°F. The highest and lowest sea temperatures during the month were 70.3°F and 62.2°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 67.5°F. The highest and lowest sea temperatures during the month were 72.3°F and 64.4°F.

Best time for vacation in San Jose

Sunniest months:
July 29 days
August 29 days
June 25 days
Warmest months:
July 85.8 °F
August 85.6 °F
September 81.0 °F
Warmest sea temp:
September 63.4 °F
August 62.9 °F
July 62.8 °F
Coldest months:
December 56.8 °F
January 58.0 °F
February 59.5 °F
Rainiest months:
February 3 days
January 3 days
March 3 days
Windiest months:
May 6.3 mph
June 6.2 mph
April 6.1 mph

San Jose on a weather map

San Jose
+57°F
NE 2 mph
Feels like: +57°F
Precip.: 6%
Places in USA:
Name
°F
+64°F
+77°F
+86°F
+61°F
+77°F
+84°F
+72°F
+73°F
+68°F
+63°F
+54°F
+77°F
+77°F
+79°F
+66°F
24 Hours Forecast
San Jose
Local time: 00:08
June 26, friday
0300
55°F
E
2 mph
0600
55°F
NE
2 mph
0900
64°F
SE
4 mph
1200
75°F
SE
7 mph
1500
79°F
SE
10 mph
1800
73°F
SE
9 mph
2100
63°F
E
6 mph
June 27, saturday
0000
61°F
E
4 mph
Units of measurement: °C / °F