West Sumba's climate is classified as Tropical Monsoon - Tropical Monsoon climate with consistently warm temperatures year-round. Temperatures range from 18°C to 30°C. Heavy rainfall (2303 mm/year), wettest in January with a pronounced dry season.

Air Quality: AQI 39 Good

Best Time to Visit

AugustJulyJune

Temperature & Rainfall

Temperature Range

35°

Warmest Month

20°

Coldest Month

Monthly Conditions

January

January is warm with muggy conditions (dew point 23°C). The wettest month with heavy rain (388 mm) and mostly overcast skies.

65 Good

Comfort

24°

Feels Like Warm

24°C

Temperature

21° – 28°

82%

Humidity

Very Humid

Weather

388 mm

Rainfall

2.1 m/s

Wind

Calm

2.5

UV Index

Extreme

12.5h daylight

February

February is warm with muggy conditions (dew point 23°C). Heavy rain (347 mm) and mostly overcast skies.

65 Good

Comfort

24°

Feels Like Warm

24°C

Temperature

21° – 28°

82%

Humidity

Very Humid

Weather

347 mm

Rainfall

2.2 m/s

Wind

Calm

2.7

UV Index

Extreme

12.3h daylight

March

March is warm with muggy conditions (dew point 23°C). Heavy rain (340 mm) and partly cloudy skies.

69 Good

Comfort

25°

Feels Like Warm

25°C

Temperature

21° – 28°

81%

Humidity

Very Humid

Weather

340 mm

Rainfall

2.0 m/s

Wind

Calm

2.6

UV Index

Extreme

12.0h daylight

April

April is warm with muggy conditions (dew point 23°C). Significant rainfall (197 mm) and partly cloudy skies.

75 Very Good

Comfort

25°

Feels Like Warm

25°C

Temperature

21° – 28°

78%

Humidity

Very Humid

Weather

197 mm

Rainfall

2.1 m/s

Wind

Calm

2.4

UV Index

Extreme

11.8h daylight

May

May is warm with highs of 28°C and lows of 20°C. Significant rainfall (151 mm).

77 Very Good

Comfort

24°

Feels Like Warm

24°C

Temperature

20° – 28°

76%

Humidity

Very Humid

Weather

151 mm

Rainfall

2.8 m/s

Wind

Calm

2.1

UV Index

Extreme

11.6h daylight

June

June is mild with highs of 27°C and lows of 19°C. Moderate rainfall (49 mm).

87 Excellent

Comfort

23°

Feels Like Mild

23°C

Temperature

19° – 27°

73%

Humidity

Very Humid

Weather

49 mm

Rainfall

2.8 m/s

Wind

Calm

1.8

UV Index

Very High

11.5h daylight

July

July is mild with highs of 27°C and lows of 18°C. Moderate rainfall (30 mm) and mostly sunny skies.

92 Ideal

Comfort

23°

Feels Like Mild

23°C

Temperature

19° – 27°

69%

Humidity

Humid

Weather

30 mm

Rainfall

3.5 m/s

Wind

Light Breeze

1.9

UV Index

Very High

11.5h daylight

August

August is mild with highs of 28°C and lows of 18°C. The driest month with just 24 mm and mostly sunny skies.

94 Ideal

Comfort

23°

Feels Like Mild

23°C

Temperature

18° – 28°

64%

Humidity

Humid

Weather

24 mm

Rainfall

3.1 m/s

Wind

Light Breeze

2.3

UV Index

Extreme

11.7h daylight

September

September is warm with highs of 29°C and lows of 20°C. Moderate rainfall (76 mm) and mostly sunny skies.

85 Excellent

Comfort

24°

Feels Like Warm

24°C

Temperature

20° – 29°

63%

Humidity

Humid

Weather

76 mm

Rainfall

2.9 m/s

Wind

Calm

2.6

UV Index

Extreme

11.9h daylight

October

October is warm with highs of 30°C and lows of 21°C. Significant rainfall (119 mm).

81 Excellent

Comfort

25°

Feels Like Warm

25°C

Temperature

21° – 30°

63%

Humidity

Humid

Weather

119 mm

Rainfall

2.3 m/s

Wind

Calm

2.7

UV Index

Extreme

12.2h daylight

November

November is the warmest month with muggy conditions (dew point 22°C). Heavy rain (220 mm) and partly cloudy skies.

73 Very Good

Comfort

25°

Feels Like Warm

25°C

Temperature

21° – 29°

67%

Humidity

Humid

Weather

220 mm

Rainfall

2.6 m/s

Wind

Calm

2.7

UV Index

Extreme

12.4h daylight

December

December is warm with muggy conditions (dew point 23°C). Heavy rain (362 mm) and mostly overcast skies.

65 Good

Comfort

25°

Feels Like Warm

25°C

Temperature

21° – 28°

78%

Humidity

Very Humid

Weather

362 mm

Rainfall

2.2 m/s

Wind

Calm

2.5

UV Index

Extreme

12.5h daylight