Eureka Water Temperature

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Eureka is a city close to Pacific Ocean. temperate climate with warm and dry summer would be the climate here. August is the month with the highest water temperature at 54.3°F / 12.4°C. The month with the lowest is March with an average water temperature of 50.4°F / 10.2°C. The avg. air temperature is around 59.5°F / 15.3°C, August is the month with the highest temperature. December is the coolest with 44.6°F / 7°C average air temperature. January is the month with the min. precipitation of 0in / 0mm and March with the max. precipitation in a year with 2.4in / 61.5mm. June, July, August, September would be the best time to visit this place.

Eureka Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: August with 54.3°F / 12.4°C
Coldest Month Water Temperature: March with 50.4°F / 10.2°C
Warmest Month Air Temperature: August with 59.5°F / 15.3°C
Coldest Month Air Temperature: December with 44.6°F / 7°C
Wettest Month: March with 2.4in / 61.5mm
Driest Month: January with 0in / 0mm
Highest Humidity December with 82.6%
Lowest Humidity September with 74.9%
Best Time to Visit: June, July, August, September
Climate Classification temperate climate with warm and dry summer

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Eureka water temperature by month

Pacific Ocean water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

51.4 51.3 50.9

February

51.3 50.7 50.4

March

50.9 50.4 50.2

April

51.1 50.5 50.2

May

52 50.9 50.2

June

52.9 51.6 50.7

July

53.8 53.1 52.2

August

54.9 54.1 53.2

September

54.9 54 53.4

October

53.8 52.9 52.2

November

53.1 52.7 52.2

December

52.5 52 51.3

Pacific Ocean water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

10.8 10.7 10.5

February

10.7 10.4 10.2

March

10.5 10.2 10.1

April

10.6 10.3 10.1

May

11.1 10.5 10.1

June

11.6 10.9 10.4

July

12.1 11.7 11.2

August

12.7 12.3 11.8

September

12.7 12.2 11.9

October

12.1 11.6 11.2

November

11.7 11.5 11.2

December

11.4 11.1 10.7
August is the month with the warmest water temperature at 54.3°F / 12.4°C. The month with the coldest is March with an average water temperature of 50.4°F / 10.2°C.

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Eureka weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Dec. 30
Scattered clouds
52 °F
39°F
11 °C
4°C
1mph (2km/h)
southeast
0in (1mm)
25 %
89%
Dec. 31
Broken clouds
51 °F
36°F
10 °C
2°C
1mph (1km/h)
southeast
0in (0mm)
0 %
86%
Jan. 01
Moderate rain
53 °F
42°F
12 °C
6°C
2mph (3km/h)
south-southeast
0in (10mm)
85 %
92%
Jan. 02
Moderate rain
58 °F
49°F
14 °C
9°C
2mph (3km/h)
south-southeast
0in (12mm)
85 %
97%
Jan. 03
Heavy rain
54 °F
46°F
12 °C
8°C
2mph (3km/h)
south
1in (20mm)
90 %
97%
Jan. 04
Light shower rain
54 °F
44°F
12 °C
7°C
1mph (2km/h)
south-southwest
0in (3mm)
65 %
91%
Jan. 05
Overcast clouds
54 °F
45°F
12 °C
7°C
1mph (2km/h)
east-southeast
0in (1mm)
30 %
87%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jan. 06
Scattered clouds
55 °F
46°F
13 °C
8°C
1mph (2km/h)
east-southeast
0in (0mm)
0 %
86%
Jan. 07
Few clouds
58 °F
43°F
15 °C
6°C
1mph (2km/h)
southeast
0in (0mm)
0 %
85%
Jan. 08
Few clouds
59 °F
43°F
15 °C
6°C
1mph (2km/h)
south-southeast
0in (0mm)
0 %
83%
Jan. 09
Clear Sky
66 °F
45°F
19 °C
7°C
1mph (1km/h)
south-southeast
0in (0mm)
0 %
80%
Jan. 10
Clear Sky
66 °F
47°F
19 °C
8°C
1mph (2km/h)
southeast
0in (0mm)
0 %
60%
Jan. 11
Scattered clouds
50 °F
45°F
10 °C
7°C
2mph (3km/h)
southwest
0in (0mm)
0 %
83%
Jan. 12
Scattered clouds
58 °F
39°F
14 °C
4°C
1mph (2km/h)
north-northwest
0in (0mm)
0 %
76%
Jan. 13
Clear Sky
59 °F
40°F
15 °C
4°C
1mph (2km/h)
south-southwest
0in (0mm)
0 %
65%
Jan. 14
Clear Sky
59 °F
42°F
15 °C
6°C
1mph (2km/h)
southwest
0in (0mm)
0 %
66%

Eureka weather by month / climate table

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

53.4 45 38.8 0 6 81.7%

February

54.3 45 38.5 1 5 81.8%

March

55.4 46 39 2.4 9 81.7%

April

57.7 47.8 39.9 0.7 3 81%

May

60.6 51.6 43.5 0.6 0 81.6%

June

66.2 55.6 48 0.1 0 79.5%

July

69.3 59.4 51.1 0.1 0 78.3%

August

68.9 59.5 52 0.1 0 78.9%

September

68.7 58.5 49.8 0.2 0 74.9%

October

64.9 54.1 45 0 0 77.7%

November

59 48.7 39.7 0 3 81.9%

December

53.6 44.6 38.3 1.1 6 82.6%

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

11.9 7.2 3.8 0 6 81.7%

February

12.4 7.2 3.6 26.6 5 81.8%

March

13 7.8 3.9 61.5 9 81.7%

April

14.3 8.8 4.4 18.5 3 81%

May

15.9 10.9 6.4 16.1 0 81.6%

June

19 13.1 8.9 3.3 0 79.5%

July

20.7 15.2 10.6 2.1 0 78.3%

August

20.5 15.3 11.1 3.2 0 78.9%

September

20.4 14.7 9.9 5.2 0 74.9%

October

18.3 12.3 7.2 0 0 77.7%

November

15 9.3 4.3 0 3 81.9%

December

12 7 3.5 28.4 6 82.6%
January is the driest at 0in / 0mm and March the wettest month with 2.4in / 61.5mm. With an average temperature of 59.5°F / 15.3°C, August is the warmest month in a year. December is the coldest with 44.6°F / 7°C average temperature.

Activities & POI in Eureka

Type of Activity List
Beach Somoa Beach
Marina for Sailing, Boat adventures, fishing Woodley Island Marina
Attraction Blue Ox Millworks, Carson Mansion
Golf Course Eureka Municipal Golf Course
Caravan Site Redwood Acres RV Park
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