Measurements:
°C
°F
San Jose
48°F
S 2 mph
Feels like: 46°F
Precip: 0%
World Resorts USA San Jose Weather

7 Day Weather Forecast

04.03
fri
DAY
72°F
S 5 mph
precip
0%
NIGHT
52°F
W 2 mph
precip
0%
04.04
sat
DAY
76°F
S 1 mph
precip
0%
NIGHT
60°F
W 2 mph
precip
0%
04.05
sun
DAY
80°F
SE 1 mph
precip
0%
NIGHT
56°F
N 1 mph
precip
0%
04.06
mon
DAY
76°F
SE 4 mph
precip
0%
NIGHT
50°F
SE 2 mph
precip
0%
04.07
tue
DAY
74°F
SE 4 mph
precip
29%
NIGHT
52°F
E 3 mph
precip
28%
04.08
wed
DAY
58°F
NE 6 mph
precip
100%
NIGHT
44°F
E 2 mph
precip
0%
04.09
thu
DAY
60°F
NE 4 mph
precip
57%
NIGHT
46°F
N 3 mph
precip
0%

San Jose Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for San Jose was 15.4°F. The maximum and minimum values were 13.4°F and 17.0°F respectively.

San Jose on the Weather Map

Best Time to Visit San Jose
The most sunny months:
July 29 days
August 29 days
June 25 days
The most warm months:
July 89.8 °F
August 89.6 °F
September 84.5 °F
Warmest sea temperature:
September 64.9 °F
August 64.4 °F
July 64.2 °F
The most cold months:
December 57.5 °F
January 58.9 °F
February 60.6 °F
The most rainy months:
February 3 days
January 3 days
March 3 days
The most windy months:
May 6 mph
April 6 mph
June 6 mph