Climate Insights for Waisai

Kabupaten Raja Ampat, Southwest Papua, Indonesia

Hottest
December
28°C peak
Coldest
July
26°C low
Wettest
July
346mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Waisai is hot. The average annual temperature is 27°C and approximately 2810mm 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: 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: 27° Average: 27° Min: 26° Aug Max: 28° Average: 27° 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

Waisai has relatively stable temperatures year-round, staying within a 2°C range. The warmest month is December, when average highs reach 28°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 26°C and an average of 27°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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 250mm Feb Precipitation: 138mm Mar Precipitation: 215mm Apr Precipitation: 278mm May Precipitation: 212mm Jun Precipitation: 309mm Jul Precipitation: 346mm Aug Precipitation: 187mm Sep Precipitation: 237mm Oct Precipitation: 229mm Nov Precipitation: 187mm Dec Precipitation: 223mm
Precipitation

Waisai is a very wet location, receiving approximately 2810mm of precipitation annually, which averages out to around 234mm per month. The wettest month is July, averaging 346mm of rainfall. June and April also tend to see above-average precipitation. The driest month is February, with just 138mm. That's 208mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 3km/h Feb Wind Speed: 4km/h Mar Wind Speed: 4km/h Apr Wind Speed: 3km/h May Wind Speed: 2km/h Jun Wind Speed: 3km/h Jul Wind Speed: 4km/h Aug Wind Speed: 5km/h Sep Wind Speed: 4km/h Oct Wind Speed: 3km/h Nov Wind Speed: 3km/h Dec Wind Speed: 3km/h
Wind Speed

Waisai is relatively calm, with an average annual wind speed of 3km/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 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 3km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

Seasons

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

92 days until Spring

It is currently winter in Waisai, which began on June 21, 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 December at around 28°C, while the coldest stretch bottoms out in July near 26°C. Spring is next, beginning on September 23, 2026 — 92 days from now.

Spring

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 653mm across the season with a monthly average of 218mm. Winds are generally light, averaging 3km/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 611mm across the season with a monthly average of 204mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 705mm across the season with a monthly average of 235mm. Winds are generally light, averaging 3km/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 841mm across the season with a monthly average of 280mm. 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 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
28 °C
3 km/h
250 mm
0 cm
Feb
26 °C
28 °C
4 km/h
138 mm
0 cm
Mar
26 °C
28 °C
4 km/h
215 mm
0 cm
Apr
26 °C
28 °C
3 km/h
278 mm
0 cm
May
26 °C
28 °C
2 km/h
212 mm
0 cm
Jun Current
26 °C
28 °C
3 km/h
309 mm
0 cm
Jul
26 °C
27 °C
4 km/h
346 mm
0 cm
Aug
26 °C
28 °C
5 km/h
187 mm
0 cm
Sep
26 °C
28 °C
4 km/h
237 mm
0 cm
Oct
26 °C
28 °C
3 km/h
229 mm
0 cm
Nov
26 °C
28 °C
3 km/h
187 mm
0 cm
Dec
26 °C
28 °C
3 km/h
223 mm
0 cm
Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)

Confirm