Climate Insights for Waisai

Kabupaten Raja Ampat, Southwest Papua, Indonesia

Hottest
April
29°C peak
Coldest
July
25°C low
Wettest
June
333mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Waisai is hot. The average annual temperature is 27°C and approximately 3215mm of precipitation falls per year. Waisai receives a notable amount of rainfall throughout the year, including during its driest month. Waisai 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: 27° Min: 26° Feb Max: 29° Average: 27° Min: 26° Mar Max: 29° Average: 27° Min: 26° Apr Max: 29° Average: 27° Min: 26° May Max: 29° Average: 27° Min: 26° Jun Max: 28° Average: 27° Min: 26° Jul Max: 28° Average: 26° Min: 25° Aug Max: 28° Average: 26° Min: 25° Sep Max: 28° Average: 27° Min: 25° Oct Max: 29° Average: 27° Min: 26° Nov Max: 29° Average: 27° Min: 26° Dec Max: 29° Average: 27° Min: 26°
Max
Average
Min

Waisai has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is April, when average highs reach 29°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 25°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 302mm Feb Precipitation: 212mm Mar Precipitation: 256mm Apr Precipitation: 281mm May Precipitation: 309mm Jun Precipitation: 333mm Jul Precipitation: 328mm Aug Precipitation: 223mm Sep Precipitation: 221mm Oct Precipitation: 239mm Nov Precipitation: 247mm Dec Precipitation: 263mm
Precipitation

Waisai is a very wet location, receiving approximately 3215mm of precipitation annually, which averages out to around 268mm per month. The wettest month is June, averaging 333mm of rainfall. July and May also tend to see above-average precipitation. The driest month is February, with just 212mm. That's 121mm less than June, 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 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 13km/h Feb Wind Speed: 14km/h Mar Wind Speed: 13km/h Apr Wind Speed: 12km/h May Wind Speed: 11km/h Jun Wind Speed: 12km/h Jul Wind Speed: 15km/h Aug Wind Speed: 16km/h Sep Wind Speed: 15km/h Oct Wind Speed: 13km/h Nov Wind Speed: 11km/h Dec Wind Speed: 12km/h
Wind Speed

Waisai is mildly breezy, with an average annual wind speed of 13km/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 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months.

Seasons

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

88 days until Winter

It is currently autumn in Waisai, which began on March 20, 2026. Waisai sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in April at around 29°C, while the coldest stretch bottoms out in July near 25°C. Winter is next, beginning on June 21, 2026 — 88 days from now.

Spring

Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 708mm across the season with a monthly average of 236mm. Winds are generally light, averaging 13km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 777mm across the season with a monthly average of 259mm. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 847mm across the season with a monthly average of 282mm. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 884mm across the season with a monthly average of 295mm. Winds are generally light, averaging 14km/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 Waisai 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
29 °C
13 km/h
302 mm
0 cm
Feb
26 °C
29 °C
14 km/h
212 mm
0 cm
Mar Current
26 °C
29 °C
13 km/h
256 mm
0 cm
Apr
26 °C
29 °C
12 km/h
281 mm
0 cm
May
26 °C
29 °C
11 km/h
309 mm
0 cm
Jun
26 °C
28 °C
12 km/h
333 mm
0 cm
Jul
25 °C
28 °C
15 km/h
328 mm
0 cm
Aug
25 °C
28 °C
16 km/h
223 mm
0 cm
Sep
25 °C
28 °C
15 km/h
221 mm
0 cm
Oct
26 °C
29 °C
13 km/h
239 mm
0 cm
Nov
26 °C
29 °C
11 km/h
247 mm
0 cm
Dec
26 °C
29 °C
12 km/h
263 mm
0 cm
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Metric (°C, km/h)