Lapaha, Tonga experiences average highs of 25°C (77°F) and lows of 24°C (75°F) throughout the year. Rainfall is frequent, averaging about 13 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Lapaha, Tonga Weather & Climate 2026
Monthly climate averages for Lapaha, Tonga. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: May–Nov 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
7.4/10
Best: June, July, August, September, November
UV Index
7
High
Temperature 25°C / 24°C
Feels Like 27°C / 24°C
Rainy Days 13
Rainfall 174 mm
Sunshine 9 h
Humidity 78%
Wind Speed 30 km/h
Dew Point 20°C
Hottest Month
27°C
February
Avg Low26°C
Rain18days
Coldest Month
22°C
August
Avg High23°C
Rain9days
Driest Month
9days
June
Avg High24°C
Avg Low23°C
Windiest Month
31 km/h
February (Gusts 43)
Sea Temperature
24°C – 28°C
Warmest water: February (
28.4°C
)
Worst Time to Visit
Consider avoiding January, February due to heavy rainfall, oppressive humidity.
Sun Position
Sunrise 07:17
Daylight 10.8h
Sunset 18:08
Live conditions—
Lapaha on the map · live conditions
Lapaha, Tonga
- Continent
- Oceania
- Country
- Tonga
- City
- Lapaha
- Population
- 2K
- Coordinates
- -21.18°, -175.12°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 24°C
Avg Low 23°C
Rain 10 days/mo
2/3 best months
Summer
Dec–Feb
Avg High 27°C
Avg Low 25°C
Rain 17 days/mo
Autumn
Mar–May
Avg High 26°C
Avg Low 25°C
Rain 14 days/mo
Winter
Jun–Aug
Avg High 24°C
Avg Low 22°C
Rain 9 days/mo
3/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 27°C / 26°C . Feb: 27°C / 26°C . Mar: 27°C / 26°C . Apr: 26°C / 25°C . May: 25°C / 24°C . Jun: 24°C / 23°C . Jul: 23°C / 22°C . Aug: 23°C / 22°C . Sep: 23°C / 22°C . Oct: 24°C / 23°C . Nov: 25°C / 24°C . Dec: 26°C / 25°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 272 mm. Feb: 293 mm. Mar: 344 mm. Apr: 177 mm. May: 149 mm. Jun: 108 mm. Jul: 89 mm. Aug: 97 mm. Sep: 93 mm. Oct: 162 mm. Nov: 139 mm. Dec: 170 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 82%. Feb: 82%. Mar: 81%. Apr: 78%. May: 76%. Jun: 74%. Jul: 73%. Aug: 73%. Sep: 75%. Oct: 77%. Nov: 79%. Dec: 80%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 27 km/h . Feb: 31 km/h . Mar: 28 km/h . Apr: 31 km/h . May: 31 km/h . Jun: 30 km/h . Jul: 31 km/h . Aug: 30 km/h . Sep: 31 km/h . Oct: 31 km/h . Nov: 28 km/h . Dec: 29 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 10h. Mar: 9h. Apr: 9h. May: 9h. Jun: 9h. Jul: 9h. Aug: 9h. Sep: 10h. Oct: 10h. Nov: 11h. Dec: 11h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 28°C . Feb: 28°C . Mar: 28°C . Apr: 28°C . May: 27°C . Jun: 26°C . Jul: 25°C . Aug: 24°C . Sep: 24°C . Oct: 24°C . Nov: 26°C . Dec: 27°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 9. Feb: UV 9. Mar: UV 7. Apr: UV 7. May: UV 5. Jun: UV 5. Jul: UV 5. Aug: UV 6. Sep: UV 7. Oct: UV 8. Nov: UV 8. Dec: UV 9.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending wetter by about 27 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | — | Feb · 27°C |
| Coldest month | — | Aug · 22°C |
| Wettest month | Nov 2025 · 366 mm | Mar · 344 mm |
| Windiest month | May 2025 · 34 km/h | Feb · 31 km/h |
Month-by-Month Weather Table
January
Wet 
February
Wet March
Wet April
Good May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November best
Excellent December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 27°C / 26°C | 31°C / 28°C | 19days (272 mm) Wet | 10.1h Excellent | 82% Humid | 8.7 Very High | Wet | View Details |
| February | 27°C / 26°C | 31°C / 27°C | 18days (293 mm) Wet | 9.7h Good | 82% Humid | 8.6 Very High | Wet | View Details |
| March | 27°C / 26°C | 30°C / 27°C | 18days (344 mm) Wet | 8.8h Good | 81% Humid | 7.2 Very High | Wet | View Details |
| April | 26°C / 25°C | 28°C / 26°C | 13days (177 mm) Wet | 9.2h Good | 78% Humid | 7 High | Good | View Details |
| May | 25°C / 24°C | 26°C / 24°C | 11days (149 mm) Wet | 8.8h Good | 76% Humid | 5.4 High | Good | View Details |
| June best | 24°C / 23°C | 25°C / 22°C | 9days (108 mm) Wet | 8.5h Good | 74% Muggy | 4.9 Moderate | Excellent | View Details |
| July best | 23°C / 22°C | 23°C / 21°C | 9days (89 mm) Wet | 8.7h Good | 73% Muggy | 5.1 High | Excellent | View Details |
| August best | 23°C / 22°C | 23°C / 20°C | 9days (97 mm) Wet | 8.7h Good | 73% Muggy | 6 High | Excellent | View Details |
| September best | 23°C / 22°C | 24°C / 21°C | 10days (93 mm) Wet | 9.6h Good | 75% Muggy | 7.4 Very High | Excellent | View Details |
| October | 24°C / 23°C | 25°C / 22°C | 10days (162 mm) Wet | 9.7h Good | 77% Humid | 8.2 Very High | Good | View Details |
| November best | 25°C / 24°C | 28°C / 24°C | 11days (139 mm) Wet | 10.7h Excellent | 79% Humid | 8.3 Very High | Excellent | View Details |
| December | 26°C / 25°C | 29°C / 26°C | 15days (170 mm) Wet | 10.9h Excellent | 80% Humid | 9 Very High | Good | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Lapaha are June, July, August, September, November, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Lapaha, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Lapaha is February, with average daytime highs of 27°C (81°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Lapaha is August, with average overnight lows of 22°C (71°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Lapaha is March, averaging 344mm of precipitation across 18 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Lapaha runs through January, February, March, December, with the heaviest rainfall in January. Based on 10-year averages for Lapaha.
Lapaha receives approximately 113 sunshine hours per year. The sunniest month is December with around 11 hours. Based on climate data for Lapaha.
The least favorable months to visit Lapaha are January, February, primarily due to heavy rainfall, oppressive humidity. For the best conditions, consider June, July, August, September, November instead.
The annual average UV index in Lapaha is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Lapaha is 78%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in January, February, March, April, May, June, July, August, September, October, November, December average 26°C (79°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Lapaha are 30 km/h (19 mph). The windiest month is February with peak winds reaching 31 km/h (20 mph) (gusts up to 43 km/h / 27 mph).
Lapaha averages 1 clear-sky days per month with overall cloud cover around 64%. The clearest skies occur in November.
The annual average dew point in Lapaha is 20°C (68°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Lapaha has a Tropical Rainforest climate, classified as Af under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Lapaha ranges from 24°C (75°F) to 27°C (81°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Lapaha. It earns a climate score of 8.4/10 with Excellent.
For June in Lapaha, pack Umbrella, Windbreaker, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 24°C (76°F) and 9 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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