Pematangsiantar, North Sumatra Climate
Indonesia
Pop. 274,838 Elev. 388 m / 1,273 ft
TZ: Asia/Jakarta (UTC+7) ·
Pematangsiantar stays warm throughout the year, with July highs averaging 86°F (30°C) and December lows of 70°F (21°C). Humidity pushes the summer feels-like temperature to around 103°F (39°C). Expect around 217 rainy days annually (131.8 in / 3347 mm total). The city averages 3 sunny days per year and around 170 thunderstorm days. Ocean water temperatures reach 87°F (31°C) in summer.
| Temperature | 30°C (86°F) high | 21°C (70°F) low |
| Feels like | 40°C (103°F) high | 21°C (70°F) low |
| Rain | 217 days | 3347 mm (131.8 in) /yr |
| Sky | 3 sunny | 170 stormy |
| Wind | 0.2 m/s (0.5 mph) avg |
Looking for a place with a climate like Pematangsiantar? Explore and filter 150,000+ cities worldwide.
Explore on the MapMonthly Climate Chart
Best months to visit: Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Dec
Sky & Air by Month
Cloud cover (%)
95
Jan 91
Feb 91
Mar 95
Apr 90
May 85
Jun 80
Jul 87
Aug 93
Sep 90
Oct 94
Nov 93
Dec Humidity (%)
88
Jan 86
Feb 86
Mar 87
Apr 85
May 84
Jun 83
Jul 84
Aug 87
Sep 87
Oct 88
Nov 87
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 79 km Kualanamu International Airport (KNO)
Ski resort 549 km Snow City
National park 51 km Dolok Singgalang
Mountain peak
(1,982 m) 61 km Dolok Pusuk Buhit
Hospital 0 km Rumah Sakit Vita Insani
Hiking trail 63 km TOTK course
Interested in Pematangsiantar?
Hotels
Flights
Real Estate
Insurance
Connectivity
Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 28°C 82°F | 21°C 70°F | 414 mm 16.3 in | — | 0 |
| February | 28°C 83°F | 22°C 71°F | 218 mm 8.6 in | — | 0 |
| March | 29°C 84°F | 22°C 71°F | 341 mm 13.4 in | — | 0 |
| April | 29°C 84°F | 22°C 71°F | 322 mm 12.7 in | — | 0 |
| May | 30°C 86°F | 22°C 72°F | 261 mm 10.3 in | — | 0 |
| June | 30°C 86°F | 22°C 71°F | 172 mm 6.8 in | — | 1 |
| July | 30°C 86°F | 21°C 70°F | 135 mm 5.3 in | — | 1 |
| August | 30°C 85°F | 21°C 70°F | 202 mm 8.0 in | — | 0 |
| September | 29°C 84°F | 21°C 70°F | 296 mm 11.6 in | — | 1 |
| October | 29°C 83°F | 21°C 70°F | 292 mm 11.5 in | — | 0 |
| November | 27°C 81°F | 21°C 70°F | 417 mm 16.4 in | — | 0 |
| December | 27°C 81°F | 21°C 70°F | 277 mm 10.9 in | — | 0 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 0 | 14 |
| February | 0 | 9 |
| March | 0 | 16 |
| April | 0 | 19 |
| May | 0 | 22 |
| June | 1 | 10 |
| July | 1 | 9 |
| August | 0 | 11 |
| September | 1 | 18 |
| October | 0 | 15 |
| November | 0 | 13 |
| December | 0 | 14 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 29°C 84°F | 23°C 74°F |
| February | 29°C 85°F | 23°C 74°F |
| March | 30°C 85°F | 24°C 75°F |
| April | 30°C 86°F | 24°C 75°F |
| May | 30°C 86°F | 24°C 76°F |
| June | 30°C 87°F | 25°C 77°F |
| July | 31°C 87°F | 24°C 76°F |
| August | 30°C 87°F | 24°C 76°F |
| September | 30°C 86°F | 24°C 75°F |
| October | 30°C 86°F | 24°C 75°F |
| November | 30°C 86°F | 24°C 75°F |
| December | 29°C 84°F | 23°C 74°F |