Climate Insights for Tsili Tsili

, Morobe Province, Papua New Guinea

Hottest
February
29°C peak
Coldest
July
20°C low
Wettest
September
651mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Tsili Tsili is warm and mild. The average annual temperature is 24°C and approximately 6521mm of precipitation falls per year. Tsili Tsili receives a notable amount of rainfall throughout the year, including during its driest month. Tsili Tsili 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: 29° Average: 24° Min: 22° Feb Max: 29° Average: 25° Min: 22° Mar Max: 29° Average: 24° Min: 21° Apr Max: 28° Average: 24° Min: 21° May Max: 28° Average: 24° Min: 21° Jun Max: 27° Average: 23° Min: 20° Jul Max: 27° Average: 23° Min: 20° Aug Max: 27° Average: 23° Min: 20° Sep Max: 27° Average: 23° Min: 20° Oct Max: 28° Average: 24° Min: 20° Nov Max: 29° Average: 24° Min: 21° Dec Max: 29° Average: 25° Min: 21°
Max
Average
Min

Tsili Tsili has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is February, when average highs reach 29°C and the mean temperature sits around 25°C. July is the coolest month, with minimum temperatures around 20°C and an average of 23°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm 550mm 600mm 650mm 700mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 454mm Feb Precipitation: 422mm Mar Precipitation: 563mm Apr Precipitation: 592mm May Precipitation: 563mm Jun Precipitation: 607mm Jul Precipitation: 584mm Aug Precipitation: 571mm Sep Precipitation: 651mm Oct Precipitation: 542mm Nov Precipitation: 476mm Dec Precipitation: 494mm
Precipitation

Tsili Tsili is a very wet location, receiving approximately 6521mm of precipitation annually, which averages out to around 543mm per month. The wettest month is September, averaging 651mm of rainfall. June and April also tend to see above-average precipitation. The driest month is February, with just 422mm. That's 230mm less than September, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 4km/h Feb Wind Speed: 5km/h Mar Wind Speed: 4km/h Apr Wind Speed: 4km/h May Wind Speed: 4km/h Jun Wind Speed: 4km/h Jul Wind Speed: 4km/h Aug Wind Speed: 4km/h Sep Wind Speed: 5km/h Oct Wind Speed: 5km/h Nov Wind Speed: 4km/h Dec Wind Speed: 4km/h
Wind Speed

Tsili Tsili is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/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 Tsili Tsili, which began on March 20, 2026. Tsili Tsili 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 29°C, while the coldest stretch bottoms out in July near 20°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 20 to 29°C. Rainfall is heavy, totalling around 1670mm across the season with a monthly average of 557mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 21 to 29°C. Rainfall is heavy, totalling around 1370mm across the season with a monthly average of 457mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 21 to 29°C. Rainfall is heavy, totalling around 1718mm across the season with a monthly average of 573mm. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 20 to 27°C. Rainfall is heavy, totalling around 1763mm across the season with a monthly average of 588mm. Winds are generally light, averaging 4km/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 Tsili Tsili 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
22 °C
29 °C
4 km/h
454 mm
0 cm
Feb
22 °C
29 °C
5 km/h
422 mm
0 cm
Mar Current
21 °C
29 °C
4 km/h
563 mm
0 cm
Apr
21 °C
28 °C
4 km/h
592 mm
0 cm
May
21 °C
28 °C
4 km/h
563 mm
0 cm
Jun
20 °C
27 °C
4 km/h
607 mm
0 cm
Jul
20 °C
27 °C
4 km/h
584 mm
0 cm
Aug
20 °C
27 °C
4 km/h
571 mm
0 cm
Sep
20 °C
27 °C
5 km/h
651 mm
0 cm
Oct
20 °C
28 °C
5 km/h
542 mm
0 cm
Nov
21 °C
29 °C
4 km/h
476 mm
0 cm
Dec
21 °C
29 °C
4 km/h
494 mm
0 cm
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Metric (°C, km/h)