Merimbula has a temperate coastal climate. Summers are warm with afternoon sea breezes, and winters are cool but often sunny and calm. Southerly changes can drop temperatures quickly at any time of year. For forecasts, use the Bureau of Meteorology’s Merimbula or Bega listings.
Season by season
| Season | Typical feel | Best for |
|---|---|---|
| Summer (Dec–Feb) | Warm days, sea breezes, occasional heatwaves | Beaches, swimming, boating |
| Autumn (Mar–May) | Settled, warm water early in season | Swimming, walking, fewer crowds |
| Winter (Jun–Aug) | Cool, crisp, often clear | Walking, northern whale migration |
| Spring (Sep–Nov) | Variable, windy days | Whale watching, wildflowers |

Water temperature
The ocean is coolest in late winter and spring and warmest in late summer and early autumn. Many locals consider February–April the best swimming months. Merimbula Lake is shallow and warms faster than the surf.
What to pack
- Swimmers and sun protection in summer (UV is strong).
- A windproof jacket for southerly changes.
- Warm layers for winter evenings and early whale-watching starts.
Frequently asked questions
What is the weather like in Merimbula?
Mild: warm summers with sea breezes and cool, often sunny winters.
When is the water warmest in Merimbula?
Late summer and early autumn.
Does Merimbula get cold?
Winter nights are cool, but days are often clear and pleasant.



