Climate Insights for Miyanmin

, West Sepik Province, Papua New Guinea

Hottest
December
28°C peak
Coldest
July
20°C low
Wettest
March
633mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Miyanmin is warm and mild. The average annual temperature is 23°C and approximately 5553mm of precipitation falls per year. Miyanmin receives a notable amount of rainfall throughout the year, including during its driest month. Miyanmin 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: 23° Min: 20° Feb Max: 27° Average: 23° Min: 20° Mar Max: 27° Average: 23° Min: 20° Apr Max: 27° Average: 23° Min: 21° May Max: 27° Average: 23° 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: 23° Min: 20° Nov Max: 28° Average: 23° Min: 20° Dec Max: 28° Average: 23° Min: 21°
Max
Average
Min

Miyanmin has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is December, when average highs reach 28°C and the mean temperature sits around 23°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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 535mm Feb Precipitation: 538mm Mar Precipitation: 633mm Apr Precipitation: 564mm May Precipitation: 330mm Jun Precipitation: 301mm Jul Precipitation: 322mm Aug Precipitation: 382mm Sep Precipitation: 410mm Oct Precipitation: 469mm Nov Precipitation: 496mm Dec Precipitation: 575mm
Precipitation

Miyanmin is a very wet location, receiving approximately 5553mm of precipitation annually, which averages out to around 463mm per month. The wettest month is March, averaging 633mm of rainfall. December and April also tend to see above-average precipitation. The driest month is June, with just 301mm. That's 332mm less than March, 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: 5km/h Feb Wind Speed: 5km/h Mar Wind Speed: 5km/h Apr Wind Speed: 5km/h May Wind Speed: 5km/h Jun Wind Speed: 5km/h Jul Wind Speed: 5km/h Aug Wind Speed: 5km/h Sep Wind Speed: 5km/h Oct Wind Speed: 5km/h Nov Wind Speed: 5km/h Dec Wind Speed: 5km/h
Wind Speed

Miyanmin is relatively calm, with an average annual wind speed of 5km/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 July, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/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 Miyanmin, which began on March 20, 2026. Miyanmin sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in December at around 28°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 28°C. Rainfall is heavy, totalling around 1375mm across the season with a monthly average of 458mm. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 20 to 28°C. Rainfall is heavy, totalling around 1647mm across the season with a monthly average of 549mm. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 20 to 27°C. Rainfall is heavy, totalling around 1527mm across the season with a monthly average of 509mm. Winds are generally light, averaging 5km/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 1004mm across the season with a monthly average of 335mm. Winds are generally light, averaging 5km/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 Miyanmin 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
20 °C
28 °C
5 km/h
535 mm
0 cm
Feb
20 °C
27 °C
5 km/h
538 mm
0 cm
Mar Current
20 °C
27 °C
5 km/h
633 mm
0 cm
Apr
21 °C
27 °C
5 km/h
564 mm
0 cm
May
21 °C
27 °C
5 km/h
330 mm
0 cm
Jun
20 °C
27 °C
5 km/h
301 mm
0 cm
Jul
20 °C
27 °C
5 km/h
322 mm
0 cm
Aug
20 °C
27 °C
5 km/h
382 mm
0 cm
Sep
20 °C
27 °C
5 km/h
410 mm
0 cm
Oct
20 °C
28 °C
5 km/h
469 mm
0 cm
Nov
20 °C
28 °C
5 km/h
496 mm
0 cm
Dec
21 °C
28 °C
5 km/h
575 mm
0 cm
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Metric (°C, km/h)