Coos Bay Water Temperature

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Coos Bay is a town close to Pacific Ocean. temperate climate with warm and dry summer would be the climate here. September is the month with the highest water temperature at 54.9°F / 12.7°C. The month with the lowest is March with an average water temperature of 50.5°F / 10.3°C. The avg. air temperature is around 61.9°F / 16.6°C, August is the month with the highest temperature. December is the coolest with 45.1°F / 7.3°C average air temperature. July is the month with the min. precipitation of 0in / 0mm and March with the max. precipitation in a year with 1.4in / 36.4mm. If you plan to visit this place, the month June, July, August, September would be the best time.

Coos Bay Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: September with 54.9°F / 12.7°C
Coldest Month Water Temperature: March with 50.5°F / 10.3°C
Warmest Month Air Temperature: August with 61.9°F / 16.6°C
Coldest Month Air Temperature: December with 45.1°F / 7.3°C
Wettest Month: March with 1.4in / 36.4mm
Driest Month: July with 0in / 0mm
Highest Humidity December with 83.5%
Lowest Humidity July with 72.9%
Best Time to Visit: June, July, August, September
Climate Classification temperate climate with warm and dry summer

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Coos Bay 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 51.1 50.7

February

51.1 50.5 50.2

March

50.9 50.5 50.2

April

52 51.1 50.5

May

53.4 52.3 51.4

June

55 53.6 52.5

July

54.7 53.6 52.2

August

55.8 54.3 52.7

September

55.2 54.7 54.1

October

54.7 54 53.4

November

54.1 53.6 52.7

December

52.9 52 51.3

Pacific Ocean water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

10.8 10.6 10.4

February

10.6 10.3 10.1

March

10.5 10.3 10.1

April

11.1 10.6 10.3

May

11.9 11.3 10.8

June

12.8 12 11.4

July

12.6 12 11.2

August

13.2 12.4 11.5

September

12.9 12.6 12.3

October

12.6 12.2 11.9

November

12.3 12 11.5

December

11.6 11.1 10.7
The highest water temperature will be reached in September with around 54.9°F / 12.7°C. The lowest in March with an average water temperature of 50.5°F / 10.3°C.

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Coos Bay weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Mar. 29
Broken clouds
48 °F
45°F
9 °C
7°C
2mph (3km/h)
west
0in (0mm)
0 %
75%
Mar. 30
Light rain
53 °F
43°F
12 °C
6°C
3mph (5km/h)
south-southeast
0in (9mm)
80 %
87%
Mar. 31
Heavy rain
50 °F
43°F
10 °C
6°C
4mph (7km/h)
south
1in (18mm)
90 %
88%
Apr. 01
Moderate rain
52 °F
44°F
11 °C
7°C
3mph (5km/h)
west
1in (14mm)
90 %
88%
Apr. 02
Light rain
48 °F
42°F
9 °C
6°C
2mph (3km/h)
west-northwest
0in (6mm)
75 %
84%
Apr. 03
Light rain
51 °F
41°F
11 °C
5°C
2mph (3km/h)
west-southwest
0in (5mm)
70 %
81%
Apr. 04
Clear Sky
55 °F
42°F
13 °C
6°C
3mph (5km/h)
east-southeast
0in (0mm)
0 %
74%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Apr. 05
Clear Sky
65 °F
48°F
18 °C
9°C
2mph (3km/h)
northeast
0in (0mm)
0 %
71%
Apr. 06
Clear Sky
70 °F
52°F
21 °C
11°C
2mph (3km/h)
east
0in (0mm)
0 %
64%
Apr. 07
Clear Sky
60 °F
53°F
16 °C
12°C
1mph (2km/h)
south-southeast
0in (0mm)
0 %
75%
Apr. 08
Scattered clouds
58 °F
53°F
14 °C
12°C
1mph (2km/h)
south
0in (0mm)
0 %
63%
Apr. 09
Few clouds
56 °F
48°F
13 °C
9°C
1mph (2km/h)
south
0in (0mm)
0 %
79%
Apr. 10
Light shower rain
55 °F
48°F
13 °C
9°C
1mph (2km/h)
south
0in (4mm)
65 %
91%
Apr. 11
Light shower rain
61 °F
51°F
16 °C
11°C
2mph (4km/h)
south
0in (2mm)
50 %
85%
Apr. 12
Overcast clouds
59 °F
51°F
15 °C
10°C
3mph (5km/h)
south-southeast
0in (0mm)
0 %
83%
Apr. 13
Moderate rain
54 °F
50°F
12 °C
10°C
2mph (4km/h)
west-southwest
0in (12mm)
85 %
94%

Coos Bay weather by month / climate table

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

53.2 45.5 39.7 0.3 5 82.4%

February

54 45.5 39 0.3 6 81.7%

March

56.8 46.6 40.1 1.4 12 80.6%

April

59.5 48.7 41.4 0.5 5 78.7%

May

62.8 52.9 45.3 0.2 0 77.1%

June

70 57 49.3 0.1 0 75.7%

July

72.5 61.2 53.1 0 0 72.9%

August

73.6 61.9 54.9 0 0 74.4%

September

72.5 60.3 52.5 0 0 73.2%

October

66 55.2 47.7 0.1 0 77.6%

November

59.4 49.5 41.5 0.4 9 82.1%

December

53.4 45.1 39.2 0 12 83.5%

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

11.8 7.5 4.3 6.9 5 82.4%

February

12.2 7.5 3.9 6.6 6 81.7%

March

13.8 8.1 4.5 36.4 12 80.6%

April

15.3 9.3 5.2 12.7 5 78.7%

May

17.1 11.6 7.4 4.5 0 77.1%

June

21.1 13.9 9.6 1.9 0 75.7%

July

22.5 16.2 11.7 0 0 72.9%

August

23.1 16.6 12.7 0 0 74.4%

September

22.5 15.7 11.4 0 0 73.2%

October

18.9 12.9 8.7 3.6 0 77.6%

November

15.2 9.7 5.3 10.2 9 82.1%

December

11.9 7.3 4 0 12 83.5%
The warmest avg. temperature is around 61.9°F / 16.6°C, August is the month with the highest temperature. December is the coolest with 45.1°F / 7.3°C average air temperature. July is the month with the min. precipitation of 0in / 0mm and March with the max. precipitation in a year with 1.4in / 36.4mm.

Activities & POI in Coos Bay

Type of Activity List
Beach Lighthouse Beach, Bastendorff Beach, Simpson Beach
Marina for Sailing, Boat adventures, fishing Charleston Marina
Attraction Trailhead, Observation building, Marine life center, Interpretive Center, South Slough National Estuarine Research Reserve, Shore acres gardens
Golf Course Coos Golf Club
Caravan Site Oceanside RV, Lucky Loggers RV Park, Sunset Bay Campground
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