The short answer
When to go to Nusa Lembongan
The drier months run from about April to October, and May to September is the most settled period; Wikivoyage says the island is drier than mainland Bali, especially from May to September. January and February are the peak of the rains and are best avoided. Surf season runs from April to September or October, while mola-mola sightings for divers are reported from July to October. For older travellers, May, June and September combine dry weather with lighter crowds than July and August. Temperatures stay warm all year, so plan outings for early morning and late afternoon.
Month by month
Nusa Lembongan weather by month
| Month | High | Low | Rain | Verdict | What to expect |
|---|---|---|---|---|---|
| January | 31°C | 25°C | — | Peak rains; rougher seas and weather-affected boats | |
| February | 31°C | 25°C | — | Peak rains; plan flexible days | |
| March | 31°C | 25°C | — | Rains easing; seas still variable | |
| April | 31°C | 25°C | — | Drier; surf season begins | |
| May | 31°C | 25°C | — | Dry and settled; good snorkelling | |
| June | 30°C | 25°C | — | Dry; calm mornings | |
| July | 29°C | 24°C | — | Dry; mola-mola season starts | |
| August | 29°C | 24°C | — | Driest; busy and a little breezy | |
| September | 30°C | 24°C | — | Dry and quieter; good diving | |
| October | 31°C | 25°C | — | Still fairly dry; rains build late | |
| November | 32°C | 25°C | — | Rains return; crossings less predictable | |
| December | 31°C | 25°C | — | Wet season begins; plan flexible days |
Temperatures and rainfall are long-term monthly averages. Check the forecast a few days before you travel.
Seasons at a glance
Nusa Lembongan seasons for families and seniors
The easiest months: May, June, July, August and September
- May: Dry and settled; good snorkelling
- June: Dry; calm mornings
- July: Dry; mola-mola season starts
- August: Driest; busy and a little breezy
- September: Dry and quieter; good diving
Good, with small trade-offs: April and October
- April: Drier; surf season begins
- October: Still fairly dry; rains build late
Possible, with planning: March, November and December
- March: Rains easing; seas still variable
- November: Rains return; crossings less predictable
- December: Wet season begins; plan flexible days
Best avoided with parents or children: January and February
- January: Peak rains; rougher seas and weather-affected boats
- February: Peak rains; plan flexible days
Useful answers
Best time to visit Nusa Lembongan: FAQs
What is the best month to visit Nusa Lembongan?
May, June, July, August and September are the best months to visit Nusa Lembongan, with April and October also good. The drier months run from about April to October, and May to September is the most settled period; Wikivoyage says the island is drier than mainland Bali, especially from May to September. January and February are the peak of the rains and are best avoided. Surf season runs from April to September or October, while mola-mola sightings for divers are reported from July to October. For older travellers, May, June and September combine dry weather with lighter crowds than July and August. Temperatures stay warm all year, so plan outings for early morning and late afternoon.
Which months should I avoid in Nusa Lembongan with elderly parents?
January and February are the months to avoid with older travellers. Peak rains; rougher seas and weather-affected boats Peak rains; plan flexible days