Honiara in Spring
In spring (September, October and November), Honiara sees average daytime highs around 26°C and overnight lows near 23°C, with 767 mm of rain over about 79 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Across spring, daytime highs hold fairly steady around 26°C. The sky is clear or mostly clear about 8% of the time across spring, and the air most often feels oppressive.
Spring is Honiara's 2nd-best season to visit on our travel score. Honiara has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Honiara's year-round climate.
- Avg daytime high
- 26°C
- 3rd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 767 mm
- 79 wet days
- Avg wind
- 9 km/h
- Travel score
- 4.0
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Honiara in Spring
Across spring, daytime highs hold fairly steady around 26°C.
A typical spring day in Honiara reaches about 26°C and drops to 23°C overnight. The warmest of the three months is November, the coolest September.
Honiara weather by month
How the three spring months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 24° | 367 | 28.4 | 12.5 | 3.6 |
| Feb | 27° / 24° | 349 | 26.1 | 12.3 | 3.6 |
| Mar | 27° / 24° | 366 | 28.6 | 12.1 | 3.6 |
| Apr | 27° / 24° | 301 | 27.4 | 11.8 | 3.7 |
| May | 27° / 24° | 228 | 27.1 | 11.6 | 3.9 |
| Jun | 26° / 24° | 172 | 24.8 | 11.5 | 4.1 |
| Jul | 26° / 23° | 203 | 25.2 | 11.5 | 4.3 |
| Aug | 26° / 23° | 189 | 24.9 | 11.7 | 4.3 |
| Sep | 26° / 23° | 209 | 24.6 | 11.9 | 4.2 |
| Oct | 26° / 23° | 271 | 27.3 | 12.2 | 3.9 |
| Nov | 27° / 23° | 287 | 26.9 | 12.4 | 3.8 |
| Dec | 27° / 24° | 337 | 27.7 | 12.5 | 3.8 |
Cloud cover in Spring
The sky is clear or mostly clear about 8% of the time across spring.
Chance of precipitation in Spring
Honiara gets around 767 mm of rain over 79 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 9 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 48 min in early September to 12 h 30 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.4 kWh/m².
Hazard calendar for Honiara
In spring, Honiara overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Honiara sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is spring a good time to visit Honiara?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Honiara.
What to pack for Honiara in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Honiara sees daytime highs around 26°C and nights near 23°C. Pack rain gear. Worth having: light clothes and sun protection. About 79 days see rain.
Sea temperature near Honiara in Spring
The nearest coast averages about 29°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in January at about 30°C and coldest in August near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 30 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 30 | Tropical |
| Feb | 30 | Tropical |
| Mar | 30 | Tropical |
| Apr | 30 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 28 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 30 | Tropical |
UV index in Honiara in Spring
Clear-sky midday UV across spring averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Honiara peaks around March 13 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 10 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 16 | 17 | 14 | 12 | 10 | 10 | 12 | 15 | 15 | 14 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 16 | Extreme |
| Mar | 17 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 12 | Extreme |
| Sep | 15 | Extreme |
| Oct | 15 | Extreme |
| Nov | 14 | Extreme |
| Dec | 14 | Extreme |
Where is Honiara?
Honiara sits at 9.4°S, 159.9°E, 49 m above sea level, in Solomon Islands. The nearest listed city is Tandai, 2.0 km away.
Topography around Honiara
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Honiara.
Within 3 km, the terrain around Honiara has only modest variations in elevation — a maximum elevation change of 200 m around an average of 44 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,012 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,309 m.
The land around Honiara is covered by water (41%) and trees (31%) within 3 km, trees (54%) and water (39%) within 16 km, and water (73%) and trees (26%) within 80 km.
Solomon Islands travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type I
- 230 V · 50 Hz
- Prices
- ≈ 75% of US
- price level, 2025
- GDP per capita
- $2,086
- 2025
- Homicide rate
- 3.7
- per 100k, 2008
- Road deaths
- 16.5
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Honiara (-9.4333°, 159.95°, elevation 49 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.