Vallejo Water Temperature

Vallejo is a city close to San Francisco Bay. September is the month with the warmest water temperature at 58.3°F / 14.6°C. The coolest month is April with an avg. water temperature of 52.3°F / 11.3°C. January is the sunniest at 0in / 0mm and January the wettest month with 0in / 0mm. The average air temperature is around 71.1°F / 21.7°C, July is the hottest month in a year. January is the coolest with 47.3°F / 8.5°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.

Vallejo Summary

Description Value
Current water temperature / 11 °C
Warmest Month Water Temperature: September with 58.3°F / 14.6°C
Coldest Month Water Temperature: April with 52.3°F / 11.3°C
Warmest Month Air Temperature: July with 71.1°F / 21.7°C
Coldest Month Air Temperature: January with 47.3°F / 8.5°C
Wettest Month: January with 0in / 0mm
Driest Month: January with 0in / 0mm
Highest Humidity January with 74.2%
Lowest Humidity June with 46.9%
Best Time to Visit: June, July, August, September
Climate Classification temperate climate with warm and dry summer

Vallejo water temperature by month

San Francisco Bay water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

53.6 53.4 53.2

February

53.6 53.2 52.9

March

53.6 53.2 52.7

April

52.7 52.5 52

May

53.4 52.7 52.2

June

55.6 54 52.9

July

57.2 56.1 55

August

58.3 57.7 56.8

September

58.6 58.1 57.7

October

58.1 57 56.5

November

56.7 55.8 54.7

December

55 54.5 53.6

San Francisco Bay water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

12 11.9 11.8

February

12 11.8 11.6

March

12 11.8 11.5

April

11.5 11.4 11.1

May

11.9 11.5 11.2

June

13.1 12.2 11.6

July

14 13.4 12.8

August

14.6 14.3 13.8

September

14.8 14.5 14.3

October

14.5 13.9 13.6

November

13.7 13.2 12.6

December

12.8 12.5 12
The hottest water temperature typically reached in September with around 58.3°F / 14.6°C. The coldest in April with an average water temperature of 52.3°F / 11.3°C.

Vallejo weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jan. 14
Few clouds
63 °F
45°F
17 °C
7°C
1mph (1km/h)
south-southeast
0in (0mm)
10 %
87%
Jan. 15
Broken clouds
66 °F
42°F
19 °C
6°C
1mph (1km/h)
south
0in (0mm)
25 %
79%
Jan. 16
Broken clouds
65 °F
52°F
18 °C
11°C
0mph (1km/h)
west-southwest
0in (0mm)
0 %
64%
Jan. 17
Scattered clouds
66 °F
51°F
19 °C
11°C
1mph (1km/h)
southeast
0in (0mm)
0 %
54%
Jan. 18
Few clouds
68 °F
55°F
20 °C
13°C
3mph (5km/h)
northeast
0in (0mm)
0 %
19%
Jan. 19
Few clouds
64 °F
52°F
18 °C
11°C
5mph (9km/h)
north-northeast
0in (0mm)
0 %
19%
Jan. 20
Few clouds
59 °F
50°F
15 °C
10°C
1mph (2km/h)
east
0in (0mm)
0 %
23%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jan. 21
Scattered clouds
53 °F
46°F
12 °C
8°C
2mph (3km/h)
south-southeast
0in (0mm)
0 %
44%
Jan. 22
Broken clouds
53 °F
44°F
12 °C
6°C
2mph (3km/h)
west
0in (0mm)
0 %
50%
Jan. 23
Clear Sky
54 °F
41°F
12 °C
5°C
1mph (2km/h)
southwest
0in (0mm)
0 %
40%
Jan. 24
Broken clouds
52 °F
44°F
11 °C
7°C
1mph (1km/h)
south-southwest
0in (0mm)
0 %
59%
Jan. 25
Overcast clouds
50 °F
46°F
10 °C
8°C
2mph (3km/h)
south-southeast
0in (0mm)
0 %
61%
Jan. 26
Broken clouds
54 °F
46°F
12 °C
8°C
1mph (2km/h)
southeast
0in (0mm)
0 %
67%
Jan. 27
Light rain
54 °F
49°F
12 °C
10°C
4mph (6km/h)
south
0in (9mm)
90 %
73%
Jan. 28
Overcast clouds
53 °F
49°F
12 °C
10°C
2mph (4km/h)
southwest
0in (1mm)
55 %
77%
Jan. 29
Light rain
53 °F
50°F
12 °C
10°C
4mph (6km/h)
south-southwest
0in (7mm)
85 %
83%

Vallejo weather by month / climate table

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

58.8 47.3 37.6 0 0 74.2%

February

60.8 48.9 39.9 0 0 72.4%

March

68 52.2 40.3 0 0 69.5%

April

73.4 55.6 43.5 0 0 62.2%

May

80.4 62.1 49.3 0 0 54.2%

June

90.3 69.1 53.1 0 0 46.9%

July

90.1 71.1 56.3 0 0 50.4%

August

90.5 70.3 56.5 0 0 52.5%

September

88.7 69.1 54.5 0 0 48.8%

October

80.8 62.8 49.3 0 0 52.5%

November

69.8 53.8 41.5 0 0 64.9%

December

58.6 47.3 38.1 0 0 73.5%

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

14.9 8.5 3.1 0 0 74.2%

February

16 9.4 4.4 0 0 72.4%

March

20 11.2 4.6 0 0 69.5%

April

23 13.1 6.4 0 0 62.2%

May

26.9 16.7 9.6 0 0 54.2%

June

32.4 20.6 11.7 0 0 46.9%

July

32.3 21.7 13.5 0 0 50.4%

August

32.5 21.3 13.6 0 0 52.5%

September

31.5 20.6 12.5 0 0 48.8%

October

27.1 17.1 9.6 0 0 52.5%

November

21 12.1 5.3 0 0 64.9%

December

14.8 8.5 3.4 0 0 73.5%
January is the month with the lowest rain of 0in / 0mm and January with the highest precipitation in a year with 0in / 0mm. The avg. temperature is around 71.1°F / 21.7°C, July is the month with the highest temperature. January is the coolest with 47.3°F / 8.5°C average temperature.

Activities & POI in Vallejo

Type of Activity List
Marina for Sailing, Boat adventures, fishing Vallejo Municipal Marina
Attraction Medusa, Farmers Produce Market, Hunter Memorial Promenade, No.519 and 229 Cannons, The Alibi Clock, Historic US 40 Route, Historic Route US 40, Old Boat Cranes, Information Board, Abandoned Fishing Huts, 'Start-Stop Work' Signal Bell, Pillar of the Future, Various Torpedoes, Car Pool Pickup to San Francisco, Mare Island Preserve Bunker 2, Mare Island Preserve Bunker 1, Drench! Dolphin Show, Dolphin Underwater Viewing, Our Ocean Friends, Odie's Sea Lion Stadium, Dolphin Underwater Viewing Window, Dolphin Encounter, Dolphin Discovery Classroom, Superman Sign, Wonder Woman Sign
Golf Course Joe Mortara Golf Course, Blue Rock Spring Golf Club, Mare Island Golf Course
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