Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Siak Sri Indrapura features a tropical rainforest climate (Af). Temperatures typically range between 27 °C (81 °F) and 28 °C (82 °F) through the year, but rarely can drop to 19 °C (67 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 2401 mm (94.5 inches) and receives 280 rainy days on the 1 mm (0.04 inches) threshold annually. Siak Sri Indrapura enjoys an average of 3311 hours of sunshine throughout the year, and daylight varies from 12 hours 4 minutes to 12 hours 9 minutes per day.
The warmest months in Siak Sri Indrapura are May, June and August, with daily mean temperatures ranging from 27 to 28 °C (82 - 82 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 27 to 27 °C (81 - 81 °F) throughout the day. On average each year, Siak Sri Indrapura experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 34°C (94°F) |
35°C (96°F) |
35°C (95°F) |
34°C (94°F) |
35°C (96°F) |
34°C (94°F) |
34°C (94°F) |
35°C (95°F) |
34°C (94°F) |
35°C (96°F) |
35°C (95°F) |
34°C (94°F) |
| Mean maximum | 33°C (92°F) |
34°C (93°F) |
34°C (94°F) |
34°C (94°F) |
34°C (94°F) |
34°C (93°F) |
34°C (93°F) |
34°C (94°F) |
34°C (93°F) |
35°C (94°F) |
34°C (93°F) |
33°C (92°F) |
| Average high | 31°C (88°F) |
31°C (89°F) |
32°C (90°F) |
32°C (90°F) |
32°C (90°F) |
32°C (89°F) |
32°C (90°F) |
32°C (90°F) |
32°C (89°F) |
32°C (90°F) |
31°C (89°F) |
31°C (88°F) |
| Daily mean | 27°C (81°F) |
27°C (81°F) |
27°C (81°F) |
27°C (82°F) |
28°C (82°F) |
27°C (82°F) |
27°C (82°F) |
27°C (82°F) |
27°C (81°F) |
27°C (81°F) |
27°C (81°F) |
27°C (81°F) |
| Average low | 24°C (76°F) |
24°C (76°F) |
24°C (76°F) |
24°C (76°F) |
25°C (77°F) |
24°C (76°F) |
24°C (76°F) |
24°C (76°F) |
24°C (75°F) |
24°C (76°F) |
24°C (76°F) |
24°C (76°F) |
| Mean minimum | 22°C (72°F) |
23°C (73°F) |
23°C (74°F) |
23°C (74°F) |
23°C (74°F) |
23°C (74°F) |
23°C (73°F) |
23°C (73°F) |
23°C (73°F) |
23°C (73°F) |
23°C (74°F) |
23°C (74°F) |
| Minimum | 19°C (67°F) |
22°C (72°F) |
22°C (72°F) |
23°C (73°F) |
22°C (73°F) |
22°C (73°F) |
22°C (72°F) |
22°C (72°F) |
23°C (73°F) |
22°C (73°F) |
23°C (73°F) |
23°C (74°F) |
Compare temperature, precipitation, sunshine, UV index in Siak Sri Indrapura, Riau, Indonesia with other places around the world.
Siak Sri Indrapura usually has the most precipitation in March, November and December, with an average of 26 rainy days and 275 mm (10.8 inches) of precipitation per month. The driest months in Siak Sri Indrapura are February, July and August. On average, 126 mm (4.9 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 149 (5.9) | 127 (5.0) | 247 (9.7) | 244 (9.6) | 223 (8.8) | 166 (6.5) | 116 (4.6) | 134 (5.3) | 187 (7.4) | 231 (9.1) | 329 (13.0) | 248 (9.8) |
| Average precipitation days (≥ 1 mm) | 19 | 18 | 26 | 27 | 27 | 22 | 17 | 21 | 25 | 24 | 28 | 26 |
The sunniest months in Siak Sri Indrapura are March, July and August, when the sun shines an average of 9 hours 44 minutes a day. Least sunny months in Siak Sri Indrapura: January, November and December receive an average of 7 hours 53 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 223 | 289 | 301 | 269 | 285 | 281 | 304 | 299 | 278 | 275 | 238 | 264 |
| Mean daily daylight hours | 12h 4m | 12h 4m | 12h 5m | 12h 6m | 12h 8m | 12h 9m | 12h 8m | 12h 7m | 12h 5m | 12h 4m | 12h 4m | 12h 4m |
Siak Sri Indrapura experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure. January, June and July are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly Siak Sri Indrapura UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 13 | 15 | 16 | 15 | 14 | 12 | 12 | 14 | 14 | 14 | 13 | 13 |
Discover in-depth weather details for every month in Siak Sri Indrapura. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Siak Sri Indrapura's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.