This is a climate-model estimate, not a measurement: we have no measured water temperature for rivers, lakes and reservoirs yet. Real measurements are available for seas only.
Water bodies in Coleraine 🌊
Map of water bodies in Coleraine
Water temperature in Coleraine for a month
There is no exact monthly water forecast — the reference is the climate normal: in summer the water warms to about +21°. The monthly normal is below.
Monthly water temperature in Coleraine 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +11 | +12 | +11 | +13 | +15 | +18 | +20 | +21 | +21 | +19 | +15 | +12 |
Climate normal (model estimate).
Water temperature archive in Coleraine on this day
| Year | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Water | +23° | +23° | +22° | +22° | +23° | +24° | +24° | +23° | +22° | +22° |
Climate normal (model estimate for this date), not a measurement archive.
When to swim in Coleraine 🏖️
Where else to swim nearby 🏝️
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FAQ about water in Coleraine ❓
What is the water temperature in Coleraine now?
Now +22° — Comfortable for swimming.
When to swim in Coleraine?
Comfortable season — from June to October.
When is the water in Coleraine warmest?
Warmest in August — up to +21°.
What bodies of water are there in Coleraine?
Atlantic Ocean.
Water temperature in Coleraine — in detail
A summary page of water temperature across all bodies of water in Coleraine: Atlantic Ocean. Now about +22°. For seas the temperature is measured SST; for rivers and lakes it is a climate estimate.