Climate Insights for Terapo

, Gulf Province, Papua New Guinea

Hottest
February
30°C peak
Coldest
August
23°C low
Wettest
April
389mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Terapo is hot. The average annual temperature is 26°C and approximately 3641mm of precipitation falls per year. Terapo receives a notable amount of rainfall throughout the year, including during its driest month. Terapo 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: 30° Average: 27° Min: 25° Feb Max: 30° Average: 27° Min: 25° Mar Max: 30° Average: 27° Min: 25° Apr Max: 30° Average: 27° Min: 25° May Max: 29° Average: 26° Min: 25° Jun Max: 28° Average: 26° Min: 24° Jul Max: 27° Average: 25° Min: 24° Aug Max: 27° Average: 25° Min: 23° Sep Max: 28° Average: 25° Min: 24° Oct Max: 29° Average: 26° Min: 24° Nov Max: 30° Average: 27° Min: 25° Dec Max: 30° Average: 27° Min: 25°
Max
Average
Min

Terapo has relatively stable temperatures year-round, staying within a 7°C range. The warmest month is February, when average highs reach 30°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 23°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 342mm Feb Precipitation: 262mm Mar Precipitation: 372mm Apr Precipitation: 389mm May Precipitation: 356mm Jun Precipitation: 278mm Jul Precipitation: 232mm Aug Precipitation: 248mm Sep Precipitation: 281mm Oct Precipitation: 318mm Nov Precipitation: 275mm Dec Precipitation: 287mm
Precipitation

Terapo is a very wet location, receiving approximately 3641mm of precipitation annually, which averages out to around 303mm per month. The wettest month is April, averaging 389mm of rainfall. March and May also tend to see above-average precipitation. The driest month is July, with just 232mm. That's 157mm less than April, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 10km/h Feb Wind Speed: 9km/h Mar Wind Speed: 10km/h Apr Wind Speed: 9km/h May Wind Speed: 10km/h Jun Wind Speed: 10km/h Jul Wind Speed: 11km/h Aug Wind Speed: 11km/h Sep Wind Speed: 12km/h Oct Wind Speed: 11km/h Nov Wind Speed: 11km/h Dec Wind Speed: 10km/h
Wind Speed

Terapo is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

Seasons

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

89 days until Winter

It is currently autumn in Terapo, which began on March 20, 2026. Terapo sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 30°C, while the coldest stretch bottoms out in August near 23°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 24 to 30°C. Rainfall is heavy, totalling around 875mm across the season with a monthly average of 292mm. Winds are generally light, averaging 11km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 25 to 30°C. Rainfall is heavy, totalling around 891mm across the season with a monthly average of 297mm. Winds are generally light, averaging 10km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 25 to 30°C. Rainfall is heavy, totalling around 1117mm across the season with a monthly average of 372mm. Winds are generally light, averaging 10km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 23 to 28°C. Rainfall is heavy, totalling around 758mm across the season with a monthly average of 253mm. Winds are generally light, averaging 11km/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 Terapo 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
25 °C
30 °C
10 km/h
342 mm
0 cm
Feb
25 °C
30 °C
9 km/h
262 mm
0 cm
Mar Current
25 °C
30 °C
10 km/h
372 mm
0 cm
Apr
25 °C
30 °C
9 km/h
389 mm
0 cm
May
25 °C
29 °C
10 km/h
356 mm
0 cm
Jun
24 °C
28 °C
10 km/h
278 mm
0 cm
Jul
24 °C
27 °C
11 km/h
232 mm
0 cm
Aug
23 °C
27 °C
11 km/h
248 mm
0 cm
Sep
24 °C
28 °C
12 km/h
281 mm
0 cm
Oct
24 °C
29 °C
11 km/h
318 mm
0 cm
Nov
25 °C
30 °C
11 km/h
275 mm
0 cm
Dec
25 °C
30 °C
10 km/h
287 mm
0 cm
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Metric (°C, km/h)