South San Francisco Water Temperature

South San Francisco is a town close to San Francisco Bay. September is the month with the warmest water temperature at 57.9°F / 14.4°C. The coolest month is April with an avg. water temperature of 52°F / 11.1°C. January is the sunniest at 0in / 0mm and February the wettest month with 0.2in / 5.1mm. The average air temperature is around 64.2°F / 17.9°C, September is the hottest month in a year. January is the coolest with 48.6°F / 9.2°C average air temperature. temperate climate with warm and dry summer would be the climate here. June, July, August, September would be the best time to visit.

South San Francisco Summary

Description Value
Current water temperature 53.6 °F / 12 °C
Warmest Month Water Temperature: September with 57.9°F / 14.4°C
Coldest Month Water Temperature: April with 52°F / 11.1°C
Warmest Month Air Temperature: September with 64.2°F / 17.9°C
Coldest Month Air Temperature: January with 48.6°F / 9.2°C
Wettest Month: February with 0.2in / 5.1mm
Driest Month: January with 0in / 0mm
Highest Humidity January with 78.9%
Lowest Humidity June with 61.4%
Best Time to Visit: June, July, August, September
Climate Classification temperate climate with warm and dry summer

South San Francisco water temperature by month

San Francisco Bay water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

52.5 52.3 52.2

February

52.9 52.7 52.3

March

53.2 52.9 52.3

April

52.5 52.2 51.8

May

53.2 52.3 52

June

55.2 53.4 52.5

July

56.8 55.8 54.5

August

57.9 57.4 56.5

September

58.3 57.7 57.2

October

57.4 56.7 55.9

November

56.1 55.2 54.1

December

54.1 53.4 52.5

San Francisco Bay water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

11.4 11.3 11.2

February

11.6 11.5 11.3

March

11.8 11.6 11.3

April

11.4 11.2 11

May

11.8 11.3 11.1

June

12.9 11.9 11.4

July

13.8 13.2 12.5

August

14.4 14.1 13.6

September

14.6 14.3 14

October

14.1 13.7 13.3

November

13.4 12.9 12.3

December

12.3 11.9 11.4
The highest water temperature will be reached in September with around 57.9°F / 14.4°C. The lowest in April with an average water temperature of 52°F / 11.1°C.

South San Francisco weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jan. 14
Scattered clouds
66 °F
48°F
19 °C
9°C
1mph (2km/h)
south-southeast
0in (0mm)
10 %
87%
Jan. 15
Broken clouds
64 °F
46°F
18 °C
8°C
1mph (2km/h)
south-southwest
0in (0mm)
20 %
83%
Jan. 16
Broken clouds
58 °F
53°F
14 °C
12°C
1mph (2km/h)
west-northwest
0in (0mm)
0 %
82%
Jan. 17
Scattered clouds
59 °F
53°F
15 °C
12°C
2mph (2km/h)
southeast
0in (0mm)
0 %
68%
Jan. 18
Few clouds
63 °F
55°F
17 °C
13°C
5mph (8km/h)
east-northeast
0in (0mm)
0 %
34%
Jan. 19
Clear Sky
57 °F
53°F
14 °C
11°C
7mph (12km/h)
north-northeast
0in (0mm)
0 %
35%
Jan. 20
Few clouds
54 °F
51°F
12 °C
11°C
2mph (4km/h)
east-southeast
0in (0mm)
0 %
39%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jan. 21
Scattered clouds
52 °F
49°F
11 °C
9°C
2mph (4km/h)
south
0in (0mm)
0 %
56%
Jan. 22
Broken clouds
50 °F
46°F
10 °C
8°C
4mph (6km/h)
northwest
0in (0mm)
0 %
56%
Jan. 23
Clear Sky
53 °F
44°F
12 °C
7°C
2mph (3km/h)
south-southwest
0in (0mm)
0 %
52%
Jan. 24
Broken clouds
53 °F
47°F
12 °C
8°C
1mph (1km/h)
southwest
0in (0mm)
0 %
62%
Jan. 25
Overcast clouds
53 °F
48°F
12 °C
9°C
3mph (5km/h)
south-southeast
0in (0mm)
0 %
72%
Jan. 26
Broken clouds
54 °F
49°F
12 °C
10°C
2mph (3km/h)
southeast
0in (0mm)
0 %
74%
Jan. 27
Light rain
54 °F
51°F
12 °C
11°C
5mph (8km/h)
south
0in (9mm)
90 %
80%
Jan. 28
Overcast clouds
53 °F
51°F
12 °C
11°C
3mph (4km/h)
southwest
0in (1mm)
60 %
80%
Jan. 29
Moderate rain
54 °F
52°F
12 °C
11°C
6mph (9km/h)
south-southwest
0in (10mm)
90 %
82%

South San Francisco weather by month / climate table

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

59 48.6 39.6 0 0 78.9%

February

60.8 50.2 41.4 0.2 0 77.7%

March

66.4 52.7 43.3 0 0 75.3%

April

69.3 55 45.7 0 0 68.4%

May

73.2 59 48.7 0 0 64%

June

79.9 63 51.6 0 0 61.4%

July

78.3 63.5 53.4 0 0 67.5%

August

79.9 63.9 54.7 0 0 68.7%

September

81.5 64.2 53.8 0 0 64.6%

October

76.8 61 50.5 0 0 63.6%

November

68.9 54.3 42.8 0 0 72.4%

December

59.7 49.1 40.3 0 0 77.4%

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

15 9.2 4.2 0 0 78.9%

February

16 10.1 5.2 5.1 0 77.7%

March

19.1 11.5 6.3 0 0 75.3%

April

20.7 12.8 7.6 0 0 68.4%

May

22.9 15 9.3 0 0 64%

June

26.6 17.2 10.9 0 0 61.4%

July

25.7 17.5 11.9 0 0 67.5%

August

26.6 17.7 12.6 0.1 0 68.7%

September

27.5 17.9 12.1 0 0 64.6%

October

24.9 16.1 10.3 0 0 63.6%

November

20.5 12.4 6 0 0 72.4%

December

15.4 9.5 4.6 0 0 77.4%
The warmest avg. temperature is around 64.2°F / 17.9°C, September is the month with the highest temperature. January is the coolest with 48.6°F / 9.2°C average air temperature. January is the month with the min. precipitation of 0in / 0mm and February with the max. precipitation in a year with 0.2in / 5.1mm.

Activities & POI in South San Francisco

Type of Activity List
Attraction SOUTH SAN FRANCISCO THE INDUSTRIAL CITY
Golf Course California Golf Club of San Francisco
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