Seward — Water Temperature in June
Water Temperature Range
6°C
minimum
10°C
average
12°C
maximum
Water Temperature Chart for Month
The chart shows the average daily water temperature for each day of the month based on historical data.
Table of Water Temperatures by Day of the Month for Previous Years
| Day | 2026 | 2025 | 2024 | 2023 |
|---|---|---|---|---|
| JUN 1 | -10°C | 7°C | 8°C | 8°C |
| JUN 2 | 7°C | 8°C | 7°C | 9°C |
| JUN 3 | 7°C | 9°C | 8°C | 9°C |
| JUN 4 | 7°C | 9°C | 8°C | 9°C |
| JUN 5 | 7°C | 8°C | 8°C | 8°C |
| JUN 6 | 8°C | 8°C | 8°C | 8°C |
| JUN 7 | 10°C | 9°C | 7°C | 10°C |
| JUN 8 | 10°C | 8°C | 7°C | 9°C |
| JUN 9 | -10°C | 9°C | 7°C | 10°C |
| JUN 10 | 10°C | 9°C | 7°C | 10°C |
| JUN 11 | 10°C | 9°C | 8°C | 10°C |
| JUN 12 | 10°C | 9°C | 8°C | 9°C |
| JUN 13 | 11°C | 9°C | 8°C | 9°C |
| JUN 14 | 11°C | 10°C | 9°C | 9°C |
| JUN 15 | 11°C | 10°C | 9°C | 11°C |
| JUN 16 | 9°C | 10°C | 9°C | 11°C |
| JUN 17 | 9°C | 10°C | 9°C | 11°C |
| JUN 18 | 10°C | 10°C | 9°C | 10°C |
| JUN 19 | 10°C | 10°C | 9°C | 10°C |
| JUN 20 | 10°C | 10°C | 9°C | 10°C |
| JUN 21 | 10°C | 11°C | 10°C | 11°C |
| JUN 22 | 10°C | 11°C | 11°C | 10°C |
| JUN 23 | 11°C | 11°C | 10°C | 11°C |
| JUN 24 | 11°C | 11°C | 10°C | 10°C |
| JUN 25 | 10°C | 11°C | 10°C | 11°C |
| JUN 26 | 11°C | 11°C | 10°C | 11°C |
| JUN 27 | 11°C | 11°C | 10°C | 10°C |
| JUN 28 | 11°C | 11°C | 10°C | 10°C |
| JUN 29 | 12°C | 11°C | 10°C | 10°C |
| JUN 30 | 12°C | 11°C | 11°C | 11°C |
June: Climate and Swimming Opportunities
Average Night Air Temperature
4°C
Average Day Air Temperature
15°C
Precipitation Amount per Month
52 mm
Number of Rainy Days
11
Daylight per Day
18 hrs
Sunshine per Day
9 hrs
Average Wind Speed
13 km/h
Average Humidity
70%
With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.