All countries
Best Time to Visit Tonga
Climate based on Nuku'alofa • 2015–2024
The best overall weather in Tonga is in February, with average highs around 28°C. The single best 14-day window: Feb 5 - Feb 18. The hottest month is February (28°C highs) and the coolest is August (23°C highs).
Year-at-a-glance heatmap
Each cell is colored by the typical daytime high for that day. Hover for rainfall and sunshine.
1
5
10
15
20
25
30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
- Freezingbelow 0°C
- Very Cold0–5°C
- Cold5–12°C
- Fresh12–18°C
- Comfortable18–25°C
- Warm25–30°C
- Very Warm30–39°C
- Smoking Hot39°C+
Best 14-day travel windows
Top pick
Feb 5 - Feb 18
14-day window • Avg 26°C • Warm
Alternative 1
Feb 25 - Mar 10
14-day window • Avg 26°C • Warm
Alternative 2
Jan 8 - Jan 21
14-day window • Avg 26°C • Warm
Month-by-month breakdown
January
Warm26°Cavg
- 27°C / 25°C
- 251mm total
- 10.4h sun/day
February
Warm26°Cavg
- 28°C / 25°C
- 310mm total
- 10.1h sun/day
March
Warm26°Cavg
- 27°C / 25°C
- 288mm total
- 9.1h sun/day
April
Warm26°Cavg
- 27°C / 24°C
- 162mm total
- 9.5h sun/day
May
Warm24°Cavg
- 25°C / 23°C
- 147mm total
- 9.1h sun/day
June
Comfortable23°Cavg
- 24°C / 22°C
- 94mm total
- 9.0h sun/day
July
Comfortable22°Cavg
- 24°C / 21°C
- 77mm total
- 9.1h sun/day
August
Comfortable22°Cavg
- 23°C / 21°C
- 111mm total
- 9.0h sun/day
September
Comfortable23°Cavg
- 24°C / 21°C
- 86mm total
- 9.4h sun/day
October
Comfortable23°Cavg
- 25°C / 22°C
- 129mm total
- 10.1h sun/day
November
Warm24°Cavg
- 26°C / 23°C
- 111mm total
- 11.2h sun/day
December
Warm26°Cavg
- 27°C / 24°C
- 189mm total
- 11.2h sun/day
Plan your trip to Tonga
Found your dates? Use TimeOffCalendar to line up the trip with your time off, public holidays, and your partner's schedule. Free for one person, forever.
Plan my time off