Hayama — Water Temperature in June
Water Temperature Range
59°F
minimum
71°F
average
75°F
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 | 14°F | 70°F | 66°F | 66°F |
| JUN 2 | 70°F | 70°F | 68°F | 68°F |
| JUN 3 | 72°F | 68°F | 68°F | 66°F |
| JUN 4 | 72°F | 68°F | 68°F | 68°F |
| JUN 5 | 72°F | 68°F | 68°F | 68°F |
| JUN 6 | 72°F | 68°F | 68°F | 66°F |
| JUN 7 | 72°F | 70°F | 68°F | 68°F |
| JUN 8 | 70°F | 70°F | 68°F | 68°F |
| JUN 9 | 14°F | 70°F | 70°F | 68°F |
| JUN 10 | 72°F | 70°F | 68°F | 68°F |
| JUN 11 | 72°F | 72°F | 68°F | 72°F |
| JUN 12 | 72°F | 70°F | 68°F | 70°F |
| JUN 13 | 72°F | 72°F | 70°F | 70°F |
| JUN 14 | 72°F | 72°F | 68°F | 70°F |
| JUN 15 | 72°F | 72°F | 70°F | 70°F |
| JUN 16 | 73°F | 72°F | 70°F | 72°F |
| JUN 17 | 72°F | 72°F | 70°F | 73°F |
| JUN 18 | 72°F | 72°F | 72°F | 72°F |
| JUN 19 | 73°F | 72°F | 72°F | 70°F |
| JUN 20 | 73°F | 72°F | 72°F | 73°F |
| JUN 21 | 72°F | 72°F | 73°F | 72°F |
| JUN 22 | 73°F | 72°F | 73°F | 73°F |
| JUN 23 | 73°F | 72°F | 73°F | 72°F |
| JUN 24 | 73°F | 72°F | 73°F | 72°F |
| JUN 25 | 73°F | 72°F | 73°F | 72°F |
| JUN 26 | 73°F | 73°F | 75°F | 73°F |
| JUN 27 | 73°F | 73°F | 75°F | 72°F |
| JUN 28 | 73°F | 73°F | 73°F | 73°F |
| JUN 29 | 73°F | 73°F | 75°F | 72°F |
| JUN 30 | 73°F | 73°F | 75°F | 73°F |
June: Climate and Swimming Opportunities
Average Night Air Temperature
64°F
Average Day Air Temperature
81°F
Precipitation Amount per Month
4.47 in
Number of Rainy Days
14
Daylight per Day
14 hrs
Sunshine per Day
4 hrs
Average Wind Speed
8 mph
Average Humidity
76%
At such water and air temperatures, swimming is pleasant and refreshing rather than hot. After you get in, it feels comfortable, and you’ll warm up quickly when you come out.