Riau Islands, Indonesia Weather

Riau Islands,  Weather
(Photo by Dikaseva on Unsplash)

Current conditions

Updated:
23°C
73.4°F
°C °F

Condition: Mainly Clear

Pressure: 1,010 hPa

Feel like: 29 °C

Temperature: 23°C

Cloud: 30%

Humidity: 99%

Wind: NNE - 1 km/h

Visibility: 1.12 km

Weather forecast

Sun
20 Sep
23°C / 31°C
Moderate Drizzle
Mon
21 Sep
23°C / 30°C
Slight Rain Showers
Tue
22 Sep
23°C / 28°C
Moderate Drizzle
Wed
23 Sep
23°C / 31°C
Moderate Drizzle
Thu
24 Sep
23°C / 27°C
Drizzle
Hourly forecast today:
16:00 PM
23° / 23°
23° / 23°
Mainly Clear
99% 2 km/h
17:00 PM
23° / 23°
23° / 23°
Mainly Clear
97% 2 km/h
18:00 PM
23° / 23°
23° / 23°
Mainly Clear
97% 4 km/h
19:00 PM
22° / 23°
22° / 23°
Mainly Clear
97% 5 km/h
20:00 PM
22° / 23°
22° / 23°
Mainly Clear
97% 6 km/h
21:00 PM
22° / 23°
22° / 23°
Mainly Clear
96% 5 km/h
22:00 PM
22° / 23°
22° / 23°
Partly Cloudy
95% 3 km/h
23:00 PM
22° / 23°
22° / 23°
Partly Cloudy
94% 3 km/h
00:00 AM
24° / 26°
24° / 26°
Overcast
85% 8 km/h
01:00 AM
23° / 29°
23° / 29°
Overcast
73% 8 km/h
02:00 AM
22° / 30°
22° / 30°
Partly Cloudy
63% 13 km/h

30 Day Averages and Extremes

  • Average high 28.73°C
  • Average low 22.43°C
  • Hottest day 33°C (10 September 2026)
  • Coldest day 0°C (03 October 2026)
  • Average humidity 84.27%
  • Days with precipitation 30 days
  • Highest precipitation 59 mm (01 October 2026)

Yesterday's Data

  • Max: 30°C
  • Min: 23°C
  • Total Precipitation: 1 mm

Temperature and possibility of rain in Riau Islands over the next 12 hours

Temperature and possibility of rain in Riau Islands in the coming days

Rainfall in Riau Islands in the coming days

Riau Islands Climate Summary

Riau Islands features a Tropical rainforest (Köppen classification: Af), with an average annual temperature of 28.26ºC (82.87ºF), which is about 1.15% higher than the national average for Indonesia. Annually, the city experiences approximately 117.53 millimeters (4.63 inches) of rainfall, spread across 204.54 rainy days, accounting for 56.04% of the year.

Longitude 3.9456514
Latitude 108.1428669
Yearly high temperature 28.94ºC (84.09ºF)
Yearly low temperature 27.14ºC (80.85ºF)
Hottest month June 29.89ºC (85.8ºF)
Coldest month December 26.41ºC (79.54ºF)
Yearly precip 117.53mm (4.63in)
Days with rainfall 204.54 days (56.04%)
Driest month March (79.79%)
Wettest month December (80.58%)

Weather averages by month

Month High / Low (°C) Rain
January 27.34° / 26.14° 16.91 days
February 27.42° / 26.06° 10.82 days
March 28.26° / 26.67° 11.36 days
April 29.2° / 27.43° 12.27 days
May 30.12° / 28.1° 17.55 days
June 29.89° / 27.89° 16.36 days
July 29.58° / 27.54° 17.91 days
August 29.69° / 27.64° 18.27 days
September 29.41° / 27.38° 18.91 days
October 29.36° / 27.35° 21.0 days
November 28.94° / 27.03° 22.27 days
December 28.03° / 26.41° 20.91 days

Frequently asked questions

1. What is the hottest month in Riau Islands?

June has the highest average monthly temperature (daily mean of 29.89ºC) and December are the coolest (daily mean of 26.41ºC).

2. What should I wear in Riau Islands today?

For today's very hot weather in Riau Islands, with the high temperatures above 32ºC (89.6ºF), consider wearing:
- UV-blocking sunglasses
- High SPF sunscreen for outdoor activities
- Airy sandals or flip-flops
- Broad-brimmed sun hat

Temperature

Early
22°C / 28°C
Morning
21°C / 29°C
Afternoon
23°C / 23°C
Evening
22°C / 23°C

Air quality

Unhealthy

Unhealthy air quality, health risks for all, emergency conditions possible

  • CO2 559
  • CO 3,293
  • NH3 0
  • NO2 1
  • O3 129
  • PM10 78
  • PM25 71
  • SO2 2
  • CH4 1,509

Sunrise / Sunset

22:37
10:44