Climate Insights for Witu

, West New Britain Province, Papua New Guinea

Hottest
November
28°C peak
Coldest
August
26°C low
Wettest
January
516mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Witu is hot. The average annual temperature is 27°C and approximately 3676mm of precipitation falls per year. Witu receives a notable amount of rainfall throughout the year, including during its driest month. Witu sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 28° Average: 27° Min: 26° Feb Max: 28° Average: 27° Min: 26° Mar Max: 28° Average: 27° Min: 26° Apr Max: 28° Average: 27° Min: 26° May Max: 28° Average: 27° Min: 26° Jun Max: 28° Average: 27° Min: 26° Jul Max: 28° Average: 26° Min: 26° Aug Max: 28° Average: 26° Min: 26° Sep Max: 28° Average: 27° Min: 26° Oct Max: 28° Average: 27° Min: 26° Nov Max: 28° Average: 27° Min: 26° Dec Max: 28° Average: 27° Min: 26°
Max
Average
Min

Witu has relatively stable temperatures year-round, staying within a 2°C range. The warmest month is November, when average highs reach 28°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 26°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm 550mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 516mm Feb Precipitation: 460mm Mar Precipitation: 509mm Apr Precipitation: 361mm May Precipitation: 224mm Jun Precipitation: 174mm Jul Precipitation: 153mm Aug Precipitation: 135mm Sep Precipitation: 168mm Oct Precipitation: 191mm Nov Precipitation: 282mm Dec Precipitation: 501mm
Precipitation

Witu is a very wet location, receiving approximately 3676mm of precipitation annually, which averages out to around 306mm per month. The wettest month is January, averaging 516mm of rainfall. March and December also tend to see above-average precipitation. The driest month is August, with just 135mm. That's 381mm less than January, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 21km/h Feb Wind Speed: 25km/h Mar Wind Speed: 20km/h Apr Wind Speed: 16km/h May Wind Speed: 18km/h Jun Wind Speed: 22km/h Jul Wind Speed: 26km/h Aug Wind Speed: 26km/h Sep Wind Speed: 24km/h Oct Wind Speed: 19km/h Nov Wind Speed: 16km/h Dec Wind Speed: 18km/h
Wind Speed

Witu is moderately windy, with an average annual wind speed of 21km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in November, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 10km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 25km/h in winter, 20km/h in spring, 22km/h in summer, 18km/h in autumn.

Seasons

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

89 days until Winter

It is currently autumn in Witu, which began on March 20, 2026. Witu sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in November at around 28°C, while the coldest stretch bottoms out in August near 26°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 641mm across the season with a monthly average of 214mm. Winds are moderate at around 20km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 1478mm across the season with a monthly average of 493mm. Winds are moderate at around 22km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 1094mm across the season with a monthly average of 365mm. Winds are moderate at around 18km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 463mm across the season with a monthly average of 154mm. Winds are moderate at around 25km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Witu based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
26 °C
28 °C
21 km/h
516 mm
0 cm
Feb
26 °C
28 °C
25 km/h
460 mm
0 cm
Mar Current
26 °C
28 °C
20 km/h
509 mm
0 cm
Apr
26 °C
28 °C
16 km/h
361 mm
0 cm
May
26 °C
28 °C
18 km/h
224 mm
0 cm
Jun
26 °C
28 °C
22 km/h
174 mm
0 cm
Jul
26 °C
28 °C
26 km/h
153 mm
0 cm
Aug
26 °C
28 °C
26 km/h
135 mm
0 cm
Sep
26 °C
28 °C
24 km/h
168 mm
0 cm
Oct
26 °C
28 °C
19 km/h
191 mm
0 cm
Nov
26 °C
28 °C
16 km/h
282 mm
0 cm
Dec
26 °C
28 °C
18 km/h
501 mm
0 cm
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Metric (°C, km/h)