Belfast in June
Find out everything about the water temperature in Belfast in June. Average, minimum and maximum recorded temperatures as well as daily temperature in June for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in June
Minimum:
51.4 °F
Average:
55.0 °F
Maximum:
60.1 °F
Sea water temperature in Belfast in June
In the city of Belfast, the month of June is too cold for swimming. The minimum recorded temperature during this month was 51.4°F on June 1, 2016, with an average temperature being 55.0°F and a maximum temperature reaching 60.1°F on June 15, 2023.
| Date | 10 years average | 2025 | 2024 |
|---|---|---|---|
| Jun 1 | 53.0°F | 54.9°F | 53.9°F |
| Jun 2 | 53.4°F | 55.0°F | 54.5°F |
| Jun 3 | 53.6°F | 55.2°F | 54.3°F |
| Jun 4 | 54.0°F | 55.2°F | 54.2°F |
| Jun 5 | 54.4°F | 55.0°F | 54.9°F |
| Jun 6 | 54.6°F | 55.3°F | 54.9°F |
| Jun 7 | 54.5°F | 55.0°F | 54.7°F |
| Jun 8 | 54.5°F | 54.8°F | 54.6°F |
| Jun 9 | 54.7°F | 54.9°F | 55.1°F |
| Jun 10 | 54.8°F | 54.7°F | 54.6°F |
| Jun 11 | 54.9°F | 55.2°F | 54.4°F |
| Jun 12 | 55.2°F | 55.7°F | 54.2°F |
| Jun 13 | 55.3°F | 55.7°F | 54.2°F |
| Jun 14 | 55.3°F | 55.7°F | 54.1°F |
| Jun 15 | 55.4°F | 56.3°F | 54.3°F |
| Jun 16 | 55.4°F | 56.4°F | 54.3°F |
| Jun 17 | 55.3°F | 56.3°F | 54.3°F |
| Jun 18 | 55.2°F | 56.2°F | 54.0°F |
| Jun 19 | 55.2°F | 57.0°F | 54.1°F |
| Jun 20 | 55.2°F | 56.6°F | 54.1°F |
| Jun 21 | 55.2°F | 56.8°F | 53.9°F |
| Jun 22 | 55.4°F | 57.3°F | 54.7°F |
| Jun 23 | 55.5°F | 57.5°F | 54.8°F |
| Jun 24 | 55.4°F | 57.4°F | 54.9°F |
| Jun 25 | 55.6°F | 57.4°F | 55.2°F |
| Jun 26 | 55.9°F | 57.3°F | 55.5°F |
| Jun 27 | 56.1°F | 57.2°F | 56.1°F |
| Jun 28 | 56.2°F | 57.1°F | 56.0°F |
| Jun 29 | 56.2°F | 57.4°F | 56.3°F |
| Jun 30 | 56.2°F | 58.3°F | 56.1°F |
In an average year, Belfast offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Belfast was recorded on August 14, 2022, reaching a 62.9°F. While the coldest temperature occurred on January 9, 2021, dipping to 42.4°F. The average readings by season are 47.8°F in Winter, 48.0°F in Spring, 57.0°F in Summer, and 55.8°F in Autumn.
The average temperature in June is slightly warmer than May's average of 51.2°F. And in July, the temperature is expected to rise further, potentially reaching an average of 57.3°F.