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Climate · Indonesia

Sumbawa

Hot all year, wet from December to April and dry from June to October.

Typical weather, averaged over 30 years8.3°S0 m above the sea
  1. Jan85°29°77°25°Rain on about six days a week.
  2. Feb85°29°77°25°Rain on about six days a week.
  3. Mar86°30°77°25°Rain on about six days a week.
  4. Apr87°31°78°26°Rain on about four days a week.
  5. May88°31°79°26°Rain on about two days a week.
  6. Jun87°31°78°26°Rain on about one day a week.
  7. Jul87°31°76°24°Rain on about one day a week.
  8. Aug87°31°76°24°Rain on fewer than one day a week.
  9. Sep88°31°76°24°Rain on fewer than one day a week.
  10. Oct89°32°78°26°Rain on about one day a week.
  11. Nov89°32°79°26°Rain on about four days a week.
  12. Dec86°30°78°26°Rain on about six days a week.
Each month: its typical high and low, and dots for wet days a week. Tap a month to open it.The best months

Highs hardly move, between 85°F and 89°F all year, with nights near 77°F. The rain comes from December to April, on about six days a week. June to October is the driest stretch, with rain on about one day a week. Daylight stays near 12 hours all year.Highs hardly move, between 29°C and 32°C all year, with nights near 25°C. The rain comes from December to April, on about six days a week. June to October is the driest stretch, with rain on about one day a week. Daylight stays near 12 hours all year.

Where Sumbawa sits

Asia/Makassar
this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
8.3°Ssouthern hemisphere
Above the sea
0 mlow-lying
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
6:02 AM6:13 AM6:15 AM6:12 AM6:14 AM6:21 AM6:25 AM6:20 AM6:04 AM5:47 AM5:40 AM5:47 AMsets 6:35 PMsets 6:35 PMsets 6:24 PMsets 6:08 PMsets 5:58 PMsets 5:59 PMsets 6:06 PMsets 6:10 PMsets 6:07 PMsets 6:04 PMsets 6:09 PMsets 6:23 PM
Nearest of ours
Southwest Sumba212 km south-east

The land around Sumbawa, shaded by its typical high in January, the planning map's own layer.The land around Sumbawa, shaded by its typical high in February, the planning map's own layer.The land around Sumbawa, shaded by its typical high in March, the planning map's own layer.The land around Sumbawa, shaded by its typical high in April, the planning map's own layer.The land around Sumbawa, shaded by its typical high in May, the planning map's own layer.The land around Sumbawa, shaded by its typical high in June, the planning map's own layer.The land around Sumbawa, shaded by its typical high in July, the planning map's own layer.The land around Sumbawa, shaded by its typical high in August, the planning map's own layer.The land around Sumbawa, shaded by its typical high in September, the planning map's own layer.The land around Sumbawa, shaded by its typical high in October, the planning map's own layer.The land around Sumbawa, shaded by its typical high in November, the planning map's own layer.The land around Sumbawa, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Through the year

week by week

Temperature

Highs from 85°F in January and February to 89°F in October and November.Highs from 29°C in January and February to 32°C in October and November.

Chance of a wet day

Wettest in February (92% of days), driest in August (3%).

Cloud cover

Clearest in August (55% cover), cloudiest in December (80%).

Daylight

About 12 hours all year, as near the equator.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the best months. Hover or tap a week for its figures.

Month by month

°F°C
Sumbawa, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical low to highWet days a weekCloudDaylight
JanuaryRainy season
77°25°85°29°
6 days79%12h 33m
FebruaryRainy season
77°25°85°29°
6 days79%12h 23m
MarchRainy season
77°25°86°30°
6 days76%12h 10m
AprilRainy season
78°26°87°31°
4 days73%11h 56m
May
79°26°88°31°
2 days67%11h 44m
JuneDry seasonAt its best
78°26°87°31°
1 day62%11h 39m
JulyDry seasonAt its best
76°24°87°31°
1 day59%11h 42m
AugustDry seasonAt its best
76°24°87°31°
no days55%11h 51m
SeptemberDry seasonAt its best
76°24°88°31°
no days58%12h 04m
OctoberDry season
78°26°89°32°
1 day67%12h 18m
November
79°26°89°32°
4 days74%12h 30m
DecemberRainy season
78°26°86°30°
6 days80%12h 36m

When is the best time to visit Sumbawa?

The best months are June to September: highs near 87°F, nights near 76°F, and rain on about one day a week.The best months are June to September: highs near 31°C, nights near 24°C, and rain on about one day a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

Questions

What is the warmest month in Sumbawa?

October and November, with highs near 89°F and lows near 78°F. The coolest are January and February, with highs near 85°F.October and November, with highs near 32°C and lows near 26°C. The coolest are January and February, with highs near 29°C.

When does it rain most in Sumbawa?

February, with rain on about six days a week. August is the driest, with rain on fewer than one day a week.

How long are the days in Sumbawa?

About 12 hours all year, as near the equator.

When are the skies clearest in Sumbawa?

August, when cloud covers about 55% of the sky on average. December is the cloudiest, at about 80%.

Places with a year like Sumbawa's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Sumbawa's through the year, one place a country. “Six months apart”: their winter is Sumbawa's summer.

Elsewhere in Indonesia

All of Indonesia

Where to stay

1 in our collection
Open the planning map

Typical weather, averaged over 30 years (1995–2024), read 7 km north of Sumbawa. Its own grid square is mostly sea and holds only a daily average, so the page reads the nearest square with a true high and low near the town's height. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (0 m) against the climate model's (96 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (0 m) against the climate model's (96 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.