Basa, Indonesia

Full City Profile

902 ft Elevation 275 meters

78°F Avg Temperature 25°C

Basa has a warm climate with an average annual temperature of 78°F (26°C). Winters average 78°F in January while summers reach 76°F in July. The area gets 336 sunny days per year. Annual precipitation totals 63.1 inches. The area receives 0.0 inches of snow annually.

Temperature

78°F Jan (25°C) 76°F Jul (24°C)

Annual Average	77.6°F
	44% above US avg
January Average	78°F (25°C)
July Average	76°F (24°C)
Sunny Days	336 days/yr

Geography

Elevation	902 ft (275 m)
Area	1.3 sq mi (3.3 km²)
Population Density	0/sq mi
Coordinates	-8.4741°N, 115.1685°W
Timezone	Asia/Makassar

Precipitation & Snow

Annual Rainfall 63.1"

66% above US avg

Snowfall 0.0"

Wettest Month (Jan) 12.90"

Driest Month (Aug) 1.60"

Air Quality

Earthquake History

260 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.1. Most recent: M4.3 on Aug 18, 2025.

Oct 13, 2011	88 km SW of Jimbaran, Indonesia	M6.1	117 km
Jul 5, 1991	102 km SSW of Jimbaran, Indonesia	M6.1	135 km
Oct 3, 2002	90 km NE of Singaraja, Indonesia	M6.0	119 km
Jan 1, 2004	24 km NE of Amlapura, Indonesia	M5.8	71 km
Jul 16, 2019	46 km SSE of Muncar, Indonesia	M5.7	84 km
Sep 18, 2009	54 km SE of Nusa Dua, Indonesia	M5.7	87 km
Aug 7, 2001	42 km SW of Gambiran Satu, Indonesia	M5.6	148 km
Mar 17, 2019	18 km WNW of Labuan Lombok, Indonesia	M5.6	149 km
Mar 21, 2017	6 km ENE of Ubud, Indonesia	M5.6	17 km
Apr 16, 2004	34 km S of Negara, Indonesia	M5.5	61 km
Jun 3, 1994	109 km S of Muncar, Indonesia	M5.4	140 km
Sep 15, 2004	13 km ENE of Nusa Dua, Indonesia	M5.4	39 km
Aug 22, 2022	Bali region, Indonesia	M5.4	76 km
Jan 6, 2000	7 km N of Gili Air, Indonesia	M5.4	101 km
Mar 11, 1991	89 km SSE of Nusa Dua, Indonesia	M5.4	125 km
Aug 9, 2012	10 km E of Praya, Indonesia	M5.3	134 km
May 14, 2024	15 km NNW of Gili Trawangan, Indonesia	M5.3	93 km
Mar 30, 1992	12 km E of Negara, Indonesia	M5.2	50 km
Feb 20, 1992	29 km NNE of Gili Air, Indonesia	M5.2	123 km
Jul 20, 1996	33 km S of Negara, Indonesia	M5.1	58 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

1 hurricane (Cat 1+) within 500 km since 1980. Strongest: Category 1. Most recent: Nicholas (1986).

Year	Name	Category	Closest
1986	Nicholas	Category 1	197 km

Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

4 tsunamis recorded within 500 km. Highest wave on record: 3.4 m (11 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1857	BALI SEA	Earthquake	3.4 m	36	64 km
1815	BALI SEA	Eruption + Earthquake	3.0 m	11,453	51 km
2018	BALI SEA	Earthquake	2.5 m	17	150 km
2018	BALI SEA	Earthquake	2.0 m	560	142 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

7 volcanoes within 200 km. Closest: Buyan-Bratan (22 km).

Name	Type	Elevation	Last Eruption	Distance
Buyan-Bratan	Caldera	2,244 m (7,362 ft)	Unknown	22 km
Batur	Caldera	1,717 m (5,633 ft)	2000	34 km
Agung	Stratovolcano	2,997 m (9,833 ft)	2019	40 km
Ijen	Stratovolcano(es)	2,769 m (9,085 ft)	1999	112 km
Raung	Stratovolcano	3,260 m (10,696 ft)	2015	129 km
Rinjani	Stratovolcano	3,726 m (12,224 ft)	2016	143 km
Iyang-Argapura	Complex	3,088 m (10,131 ft)	Unknown	185 km

Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	78°F (25°C)	12.9 in	Wettest
February	79°F (26°C)	10.5 in
March	78°F (26°C)	9.1 in
April	79°F (26°C)	5.2 in
May	78°F (26°C)	4.2 in
June	77°F (25°C)	3.3 in
July	76°F (24°C)	3.9 in	Coldest
August	76°F (24°C)	1.6 in	Driest
September	77°F (25°C)	3.8 in
October	78°F (26°C)	6.1 in
November	79°F (26°C)	7.6 in	Warmest
December	79°F (26°C)	10.6 in

Basa has a seasonal temperature swing of 3°F / from 76°F in July to 79°F in November. Total annual precipitation is 78.8 inches, with January being the wettest month (12.9") and August the driest (1.6").

View full weather details →