Water temperature in Otaru in October

Is it warm enough to swim in Otaru in October? Average water temperature in Otaru in October is 17.5°C and therefore is not suitable for comfortable swimming. The warmest sea in Otaru in October is 22.9°C, and the coldest is 13.7°C. Average high air temperature in Otaru in October is 16°C, and average low temperature is 8°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Otaru

Changes water temperature in Otaru in October 2024, 2023

To get an accurate forecast for the water temperature in Otaru for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Otaru, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of October.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2024	2023	Min	Max
1 October	20.4°C	21.7°C	18.1°C	22.9°C
2 October	20.6°C	21.6°C	17.8°C	22.1°C
3 October	20.3°C	21.3°C	17.9°C	21.8°C
4 October	20.2°C	21°C	17.7°C	21.6°C
5 October	19.9°C	21.1°C	17.6°C	21.5°C
6 October	19.6°C	20.8°C	17.5°C	21.9°C
7 October	19.4°C	20.4°C	17.4°C	21.7°C
8 October	19.1°C	19.3°C	17.1°C	21.6°C
9 October	19.1°C	19.5°C	17.2°C	21.9°C
10 October	18.9°C	19.4°C	17.1°C	21.5°C
11 October	19.8°C	19.4°C	16.7°C	20.2°C
12 October	19.4°C	19°C	16.8°C	19.8°C
13 October	19.1°C	19.1°C	16.6°C	20.2°C
14 October	18.8°C	18.9°C	16.5°C	20.2°C
15 October	18.6°C	18.8°C	16.6°C	19.7°C

Day	2024	2023	Min	Max
16 October	18.7°C	19°C	16.4°C	19.6°C
17 October	18.5°C	18.7°C	16.2°C	19.9°C
18 October	18.2°C	18.3°C	16.1°C	19.3°C
19 October	18.1°C	18.1°C	16°C	18.4°C
20 October	17.9°C	17.8°C	15.8°C	18.1°C
21 October	17.6°C	17.4°C	15.6°C	17.7°C
22 October	17.4°C	17.3°C	15.4°C	17.4°C
23 October	17°C	17.1°C	15.4°C	17.3°C
24 October	17.1°C	16.7°C	15.2°C	17.8°C
25 October	17°C	15.9°C	14.9°C	17.4°C
26 October	17.2°C	15.8°C	14.6°C	17.2°C
27 October	16.8°C	15.7°C	14.5°C	16.9°C
28 October	16.6°C	15.6°C	14.4°C	16.7°C
29 October	15.3°C	15.5°C	14°C	16.6°C
30 October	15.7°C	15.4°C	13.8°C	16.4°C
31 October	15.7°C	15.5°C	13.7°C	16.2°C

Average water temperature in Otaru in October over a decade

2015	2016	2017	2018	2019
16.5°C	16.9°C	16.5°C	18°C	17.5°C

2020	2021	2022	2023	2024
18.5°C	17.4°C	17.4°C	18.4°C	18.3°C

Otaru sea state in October

Chart comparing the height of waves in Otaru in October over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Weather and climate in Otaru in October

This data display average monthly climate indicators in Otaru in October based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

Average HIGH temperature16°C
Average LOW temperature8°C
Average humidity
67
Average rainfall days16 days
Average rainfall5.1''/130mm
Average sunshine4.7h
Average snowfall0.4''/10mm

Otaru water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in October. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Ishikari	17.3°C	13.6°C	22.8°C
Yoichi	17.5°C	13.8°C	23°C
Tomakomai	16.5°C	12.9°C	22.1°C
Noboribetsu	16.7°C	12.9°C	22°C
Muroran	16.9°C	13°C	22.1°C
Hokkaido	17.1°C	12.6°C	22.3°C
Kamiiso	18.8°C	15.3°C	24°C
Hakodate	19.2°C	15.3°C	24.1°C
Shibetsu	14.4°C	7.5°C	19.8°C
Shizunai	14.3°C	11°C	19.2°C

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Our report for Otaru is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature