AI-generatedHoniara at a glance
- Best time
- All year
- Warmest month
- Dec · 28°
- Warmest sea
- Jan · 29.9°
- Sunshine a year
- 1,970 h
- Rain a year
- 3,131 mm
- Climate
- Tropical
- Time zone
- UTC+11
- Elevation
- 49 m
Climate in Honiara
Honiara has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. December is the warmest month with average highs of 28 °C, while July is the coolest at 28 °C. With around 1,970 hours of sunshine a year, Honiara is moderately sunny; September is the sunniest month with 5.9 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Fair
Best time to visit: January – December
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 26°
- Midday, 13:00: about 28°
- Afternoon, 16:00: about 28°
- Evening, 20:00: about 26°
- Night, 23:00: about 25°
05:5718:15
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:44–06:25 · evening 17:47–18:28
- Blue hour
- Morning 05:36–05:44 · evening 18:28–18:36
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Honiara in October?
In October, Honiara is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 29.1 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 236 mm. The air is often humid and muggy. All in all, October is a so-so month for a holiday in Honiara.
More details for October
- Daylight
- 12 h 18 min05:57 – 18:15
- UV index
- 14 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 77 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+11Pacific/Guadalcanal
How the score comes together
- Temperatureweight 50 %88 %
- Sunshineweight 20 %48 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Sea temperature in Honiara
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 28.5 – 29.7 °C
Swimming season: All year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Honiara ranges from 28.6 °C in August to 29.9 °C in January. At 20 °C and more, the sea is warm enough for swimming all year round.
The sea warms up slowly: it is warmest in January, while the air already peaks in December. The sea temperature varies from year to year: in January, eight out of ten years were between 29.4 and 30.3 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 29.9° | 29.4° | 30.3° | very warm |
| FebruaryFeb | 29.7° | 29.3° | 30.1° | very warm |
| MarchMar | 29.7° | 29.1° | 30.1° | very warm |
| AprilApr | 29.8° | 29.3° | 30.2° | very warm |
| MayMay | 29.6° | 29.2° | 30.1° | very warm |
| JuneJun | 29.2° | 28.8° | 29.7° | very warm |
| JulyJul | 28.8° | 28.5° | 29.4° | warm |
| AugustAug | 28.6° | 28.0° | 29.1° | warm |
| SeptemberSep | 28.7° | 28.3° | 29.3° | warm |
| OctoberOct | 29.1° | 28.5° | 29.7° | very warm |
| NovemberNov | 29.5° | 28.9° | 30.1° | very warm |
| DecemberDec | 29.9° | 29.4° | 30.3° | very warm |
Sunshine hours in Honiara
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 5.9 of 12.3 hours of daylight in Honiara, 48 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Honiara
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 14 · extremeAvoid the midday sun; SPF 50+, covering clothes, hat and sunglasses.
The sun is strongest in October (UV 14).
Minutes until sunburn in October
- Very fair skin
- about 10 min
- Fair skin
- about 10 min
- Light brown skin
- about 15 min
- Olive skin
- about 20 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Honiara: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Honiara has about 26 rainy days with 236 mm of rain in total.
Wind and clouds in Honiara
How breezy and how cloudy Honiara is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Honiara typically peaks at 16 km/h during the day: Beaufort 3, light breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Jul – Aug.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 77 % of the sky over Honiara: mostly cloudy, with about 5.9 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Honiara
How often the day gets hot in Honiara (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Honiara has about 0 hot days, with an average daytime high of 28 °C: often muggy. The air feels warmer than the thermometer says: light, airy clothes and slow days help.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Honiara
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Hot 24° and more
- muggy month (10+ muggy days)
HotOctober: nights around 24°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 31 days (dew point 18 °C or more).
The coolest nights are in August (24°), the warmest in January (24°). Nights stay tropical all year (20 °C and more), so a room with air conditioning or at least a fan pays off. It is muggy (dew point 18 °C or more) on about 365 days a year, mostly all year round.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 50 | 28° | 24° | 29.9° | 5.0 h | 28 | 369 |
| FebruaryFeb | 50 | 28° | 24° | 29.7° | 4.7 h | 26 | 328 |
| MarchMar | 50 | 28° | 24° | 29.7° | 4.9 h | 28 | 346 |
| AprilApr | 51 | 28° | 24° | 29.8° | 5.3 h | 27 | 286 |
| MayMay | 52 | 28° | 24° | 29.6° | 5.4 h | 26 | 221 |
| JuneJun | 54 | 28° | 24° | 29.2° | 5.6 h | 24 | 167 |
| JulyJul | 54 | 28° | 24° | 28.8° | 5.3 h | 24 | 201 |
| AugustAug | 55 | 28° | 24° | 28.6° | 5.5 h | 24 | 184 |
| SeptemberSep | 54 | 28° | 24° | 28.7° | 5.9 h | 25 | 193 |
| OctoberOct | 53 | 28° | 24° | 29.1° | 5.9 h | 26 | 236 |
| NovemberNov | 52 | 28° | 24° | 29.5° | 5.7 h | 27 | 268 |
| DecemberDec | 51 | 28° | 24° | 29.9° | 5.6 h | 28 | 333 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
9.43° S, 159.95° E · 49 m · Pacific/Guadalcanal
Best time to visit Honiara
The best time to visit Honiara is all year round. The sea stays too cool for a classic beach holiday: even in January it only reaches 29.9 °C. The wettest month is January with 369 mm of precipitation.
Honiara through the seasons
How the weather changes over the seasons, with averages for each.
Honiara in spring
Sep – Nov
Fair
- 28 °C by day
- Sea 29 °C
- 6 h of sun a day
- 78 rainy days in all
Honiara in summer
Dec – Feb
Fair
- 28 °C by day
- Sea 30 °C
- 5 h of sun a day
- 82 rainy days in all
Honiara in autumn
Mar – May
Fair
- 28 °C by day
- Sea 30 °C
- 5 h of sun a day
- 81 rainy days in all
Honiara in winter
Jun – Aug
Fair
- 28 °C by day
- Sea 29 °C
- 6 h of sun a day
- 73 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Honiara for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Compare two months in Honiara
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
October and August bring similar holiday weather to Honiara (score 53 and 55). Daytime highs are about the same. The sea is about as warm in both months. August has 2 fewer rainy days.
| Month | October | August |
|---|---|---|
| Weather score | 53 | 55 |
| Day high | 28° | 28° |
| Night low | 24° | 24° |
| Sea | 29.1° | 28.6° |
| Sunshine | 5.9 h | 5.5 h |
| Rainy days | 26 | 24better |
| Rainfall | 236 mm | 184 mmbetter |
| Muggy days | 31 | 31 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
No month
15–28 °C and not too much rain
Rainy months
All year
12 or more rainy days
Honiara month by month
The typical weather for every month at a glance.
50January28° · Sea 30° · 5 h
In January, Honiara is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 29.9 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 28 days, totalling 369 mm. The air is often humid and muggy. All in all, January is a so-so month for a holiday in Honiara.
Honiara in January50February28° · Sea 30° · 5 h
In February, Honiara is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 29.7 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 328 mm. The air is often humid and muggy. All in all, February is a so-so month for a holiday in Honiara.
Honiara in February50March28° · Sea 30° · 5 h
In March, Honiara is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 29.7 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 28 days, totalling 346 mm. The air is often humid and muggy. All in all, March is a so-so month for a holiday in Honiara.
Honiara in March51April28° · Sea 30° · 5 h
In April, Honiara is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 29.8 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 27 days, totalling 286 mm. The air is often humid and muggy. All in all, April is a so-so month for a holiday in Honiara.
Honiara in April52May28° · Sea 30° · 5 h
In May, Honiara is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 29.6 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 221 mm. The air is often humid and muggy. All in all, May is a so-so month for a holiday in Honiara.
Honiara in May54June28° · Sea 29° · 6 h
In June, Honiara is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 29.2 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 167 mm. The air is often humid and muggy. All in all, June is a so-so month for a holiday in Honiara.
Honiara in June54July28° · Sea 29° · 5 h
In July, Honiara is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 28.8 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 201 mm. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Honiara.
Honiara in July55August28° · Sea 29° · 6 h
In August, Honiara is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 28.6 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 184 mm. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Honiara.
Honiara in August54September28° · Sea 29° · 6 h
In September, Honiara is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 28.7 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 25 days, totalling 193 mm. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Honiara.
Honiara in September53October28° · Sea 29° · 6 h
In October, Honiara is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 29.1 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 236 mm. The air is often humid and muggy. All in all, October is a so-so month for a holiday in Honiara.
Honiara in October52November28° · Sea 30° · 6 h
In November, Honiara is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 29.5 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 27 days, totalling 268 mm. The air is often humid and muggy. All in all, November is a so-so month for a holiday in Honiara.
Honiara in November51December28° · Sea 30° · 6 h
In December, Honiara is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 29.9 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 28 days, totalling 333 mm. The air is often humid and muggy. All in all, December is a so-so month for a holiday in Honiara.
Honiara in DecemberHoniara compared
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Honiara vs. Rabaul
In October Honiara has the better holiday weather (score 53 vs. 48). During the day Rabaul is 1 °C warmer than Honiara. The sea in Rabaul is 1 °C warmer.
| in October | Honiara | Rabaul |
|---|---|---|
| Holiday score | 53 | 48 |
| Daytime high | 28° | 29° |
| Sea | 29° | 30° |
| Sunshine | 6 h | 6 h |
| Rainy days | 26 | 25 |
| Best time | All year | All year |
Through the year
Planning a trip to Honiara
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Honiara in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Honiara has similar weather in all school holidays (scores 51 to 55).
- 51
Easter holidays
Mar – Apr
Fair
- 28 °C by day
- Sea 30 °C
- 5.2 h of sun a day
- 27 rainy days a month
Keep in mind: Frequent rain
- 52
May half-term
May – Jun
Fair
- 28 °C by day
- Sea 30 °C
- 5.4 h of sun a day
- 26 rainy days a month
Keep in mind: Frequent rain
- 55
Summer holidays
Jul – Aug
Fair
- 28 °C by day
- Sea 29 °C
- 5.4 h of sun a day
- 24 rainy days a month
Keep in mind: Frequent rain
- 53
October half-term
Oct
Fair
- 28 °C by day
- Sea 29 °C
- 5.9 h of sun a day
- 26 rainy days a month
Keep in mind: Frequent rain
- 51
Christmas holidays
Dec – Jan
Fair
- 28 °C by day
- Sea 30 °C
- 5.3 h of sun a day
- 28 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 18 h 35 min
- Distance
- 15,010 km
- Time zone
- UTC+11
- Jet lag
- About 10 days (10 h east)
Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Honiara
When is the best time to visit Honiara?
The best time to visit Honiara is all year round. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Honiara?
The sea temperature in Honiara ranges from 28.6 °C in August to 29.9 °C in January. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Honiara in October?
Yes. In October the sea averages 29.1 °C – almost as warm as a bath.
What is the warmest month in Honiara?
December is the warmest month, with average highs of 28 °C and nights around 24 °C. July is the coolest month at 28 °C.
When does it rain most in Honiara?
The wettest month is January with 369 mm of precipitation. The driest month is June with 167 mm.
How many hours of sunshine does Honiara get?
Honiara gets around 1,970 hours of sunshine a year. The sunniest month is September with 5.9 hours a day; in February there are 4.7 hours a day.
What time zone is Honiara in?
Honiara uses the time zone Pacific/Guadalcanal, at UTC+11 all year.
How long is the flight from London to Honiara?
A nonstop flight from London to Honiara takes about 18 h 35 min, for a straight-line distance of about 15,010 km. Most routes need a change of planes, which adds time.
Which school holidays are best for Honiara?
Honiara has similar weather in all school holidays (scores 51 to 55). Holiday ratings (0–100): Easter holidays 51, May half-term 52, Summer holidays 55, October half-term 53, Christmas holidays 51.
Near Honiara
Other destinations close by.
Places with a climate like Honiara
Destinations whose weather through the year is closest to Honiara's – good alternatives.