Climate and monthly weather forecastSukabumi, Indonesia

Climate and monthly weather forecast

The climate of Sukabumi

Sukabumi, Indonesia, characterized by its tropical rainforest climate, follows the Af classification per the Köppen climate system. As it lies amidst lush greenery, its climate remains hot and humid throughout the year, accompanying a significant amount of rainfall. The data indicates a close-knit temperature range with a high peak of 29.5°C (85.1°F) in September and a low reaching 19°C (66.2°F) in August, showing a well-established thermal homogeneity. Pervasive clouds cover the city, with the lowest percentage at 39% in August and a peak at 63% in January.

Rainfall plays a compelling role in defining the ambiance of Sukabumi with its highest value seen in March at 382mm (15.04") and the lowest in August at 88mm (3.46"). Similarly, the number of rainfall days follows a similar pattern, reaching a maximum of 29.9 days in January and November and dropping to a minimum of 17.5 days in August. Despite the high rainfall, the city manages to enjoy sunshine hours peaked at 8.6 hours in September and lowest at 6.1 hours in July. Consequently, the ultraviolet index stays static at 6 throughout Sukabumi expressing balanced sunshine exposure every month.

Pressure patterns stay relatively constant, ranging from 1009.3 mb to 1011.4 mb. Humidity in Sukabumi varies slightly, reaching its maximum at 87% in February and decreasing to 76% in September, reflecting the tropical moist environment. Wind speeds vary minimally from 3.5km/h (2.2mph) in August to 6.7km/h (4.2mph) in January. Sukabumi also sees wind gusts up to 9.5km/h (5.9mph), predominantly in January. Thus, Sukabumi, with its humid rainforest climate, ingrains a stable and calming rhythm into its yearly weather patterns.

The best time to visit Sukabumi

Considering the climatological parameters, the months from July to September emerge as the most favorable period for visiting Sukabumi. During these months, Sukabumi experiences the lowest rainfall with August recording a minimum of 88mm (3.46"). Correspondingly, the number of rainfall days also sees a dip during these months, resulting in better visibility and more comfortable outdoor explorations. Despite the reduced rainfall, humidity levels remain moderate, lending a pleasant atmosphere for outdoor activities.

The worst time to visit Sukabumi

The climatological data implies that the months of January, February, and March might not be an ideal time to visit Sukabumi. These months witness the heaviest rainfall with February accumulating the highest rainfall at 299mm (11.77"). The number of rainfall days also peaks during this period, which could hinder outdoor tourism activities. Besides, relative humidity reaches its maximum at 87% in February, potentially causing discomfort for some visitors.

Spring weather in Sukabumi

Spring in Sukabumi from March to May showcases slightly unstable weather conditions. Rainfall remains high in March with 382mm (15.04") but observes a gradual decline in April and May, leading to fewer days of rain. The temperature registers a narrow range with the peak at 28.3°C (82.9°F) in May and the lowest at 20.5°C (68.9°F) in March. High humidity predominates during these months, reflecting a typical tropical spring atmosphere.

Summer weather in Sukabumi

Summer, which encompasses June to August, in Sukabumi carries lesser rainfall with the lowest recorded in August at 88mm (3.46"). The rainfall days decrease, allowing more sunshine hours, peaked at 6.5 hours in June. This period also witnesses a dip in relative humidity, escalating the comfort levels. Daylight hours remain almost constant, and temperatures oscillate between a high of 29.3°C (84.7°F) in August and a low of 19°C (66.2°F) in the same month.

Autumn weather in Sukabumi

Autumn in Sukabumi, from September to November, sees an evolutionary weather condition. September records the highest temperature of the entire year at 29.5°C (85.1°F) as well as the most sunshine at 8.6 hours per day. However, rainfall increases gradually with November, marking the onset of the wettest part of the year.

Winter weather in Sukabumi

Winter months, December, January, and February, witness an increased level of rainfall with February marking the highest rainfall at 299mm (11.77"). Temperatures slightly decrease with the lowest of 20.4°C (68.7°F) observed in February. The relative humidity also reaches a peak in February, indicating a heavily moist environment. Despite the precipitation, this period manages to receive a consistent number of sunshine hours, maintaining an agreeable winter weather pattern.

Weather in January

Sukabumi, Indonesia receives a high volume of rainfall in January, making it one of the wettest months of the year. With 274mm (10.79") of rainfall registered over 29.9 days, it is advisable to carry an umbrella. Although wet, the humidity is not significantly different from the levels found in neighbouring months. Weather in January »

Weather in February

The month of February indicates the continuity of a wet period in Sukabumi with the rainfall level still on the higher side. The accumulated rainfall over the course of February slightly exceeds that of January with 299mm (11.77") falling within the span of 27.8 days. Weather in February »

Weather in March

March, marked by 382mm (15.04") rainfall spread over 29.6 days, is known as the rainiest month in Sukabumi. There is a noticeable increment in the rain gauge, elevating the status of March as the wettest month. Relative humidity remains high, affecting visibility to some extent. Weather in March »

Weather in April

Just like its preceding months, April continues to maintain high levels of humidity and rainfall but with less intensive showers. The total rainfall scales down from 382mm (15.04") in March to 373mm (14.69"). The showers may not be incessant but still provide enough replenishment to the thriving local biodiversity. Weather in April »

Weather in May

May offers a perceptible shift in Sukabumi's weather pattern, moving it away from the heavy downpours of the initial months. The amount of rainfall now significantly decreases to 247mm (9.72"). This distinct change marks it as the beginning of the dry season in Sukabumi. Weather in May »

Weather in June

June is referred to as the start of a dry spell in Sukabumi, owing to the considerable shift from the earlier incessant rains. The city gets 148mm (5.83") of rain throughout the month, which is a significant decline from May's 247mm (9.72"). Weather in June »

Weather in July

July is often associated with dry weather in Sukabumi as it receives the lowest amount of rainfall, a mere 100mm (3.94") throughout the year. It’s a notable change from the higher levels of rainfall in previous months. The pleasant weather, coupled with a low cloud coverage, offers ample opportunities to soak in the city's beauty. Weather in July »

Weather in August

August follows the weather trend set in July, maintaining low rainfall levels in Sukabumi. The city records a moderate increase with an average monthly rainfall of 88mm (3.46"). Despite the climb in rainfall, it is still one of the driest months of the year. Weather in August »

Weather in September

September signifies the start of the transition from dry to wet weather in Sukabumi. The city records an average rainfall of 92mm (3.62"), a marginal increase from August's 88mm (3.46") of rainfall. However, this month still remains part of the dry season, with low humidity and enhanced visibility. Weather in September »

Weather in October

October marks the return of the wet season in Sukabumi, with a substantial increase in rainfall. The city experiences rainfall that more than doubles September's numbers, with an average of 217mm (8.54"). Despite the re-emergence of the downpour, October offers plenty of sunlight to brighten up the days. Weather in October »

Weather in November

November sees Sukabumi experiencing a substantial amount of rainfall, making it one of the wettest months of the year. With a significant rise to 344mm (13.54") of rainfall, November visibly outshines its preceding month in terms of precipitation. Weather in November »

Weather in December

In Sukabumi, December continues the trend of high-level precipitation set by November. Slightly descending to 332mm (13.07"), the rainfall is spread over an average of 28.8 days in the month. Amidst this rainfall, the year-end festivities add shimmer to the views under the consistent hours of daylight. Weather in December »

Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Sukabumi's lowest temperatures tend to occur in January and February, with an average high-temperature of 26.4°C (79.5°F).

In Sukabumi, during the entire year, the rain falls for 311.1 days and collects up to 2896mm (114.02") of precipitation.

January through December, with an average maximum UV index of 6, are months with the highest UV index.

January through December, with an average maximum UV index of 6, are months with the lowest UV index.

With an average relative humidity of 87%, February is the most humid month.

The month with the most rainfall in Sukabumi, Indonesia, is March, when the rain falls for 29.6 days and typically aggregates up to 382mm (15.04") of precipitation.

With an average of 11h and 42min of daylight, June has the shortest days of the year.

July has the least sunshine of the year in Sukabumi, with an average of 6.1h of sunshine.

The month with the least rainfall in Sukabumi, Indonesia, is August, when the rain falls for 17.5 days and typically collects 88mm (3.46") of precipitation.

September, with an average high of 29.5°C (85.1°F) and a low of 19.8°C (67.6°F), signifies the warmest month of the year.

September is the least humid month, with an average relative humidity of 76%.

September has the most sunshine of the year in Sukabumi, Indonesia, with an average of 8.6h of sunshine.

With an average of 12h and 30min of daylight, December has the longest days of the year in Sukabumi.

Sukabumi does not utilize Daylight Saving Time (DST). WIB timezone is used over the entire year.

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Long-term

Year J F M A M J J A S O N D

Average temperature
Sukabumi, Indonesia

Average high temperature in January:
26.4°C
Average high temperature in February:
26.4°C
Average high temperature in March:
27.2°C
Average high temperature in April:
27.7°C
Average high temperature in May:
28.3°C
Average high temperature in June:
28.3°C

Average high temperature in July:
28.3°C
Average high temperature in August:
29.3°C
Average high temperature in September:
29.5°C
Average high temperature in October:
29°C
Average high temperature in November:
27.5°C
Average high temperature in December:
27.1°C

The warmest month (with the highest average high temperature) is September (29.5°C).
The months with the lowest average high temperature are January and February (26.4°C).

Average low temperature in January:
20.6°C
Average low temperature in February:
20.4°C
Average low temperature in March:
20.5°C
Average low temperature in April:
20.8°C
Average low temperature in May:
20.6°C
Average low temperature in June:
19.8°C

Average low temperature in July:
19.2°C
Average low temperature in August:
19°C
Average low temperature in September:
19.8°C
Average low temperature in October:
20.9°C
Average low temperature in November:
21.1°C
Average low temperature in December:
20.9°C

The month with the highest average low temperature is November (21.1°C).
The coldest month (with the lowest average low temperature) is August (19°C).

Average pressure
Sukabumi, Indonesia

Average pressure in January:
1009.7mbar
Average pressure in February:
1009.9mbar
Average pressure in March:
1010mbar
Average pressure in April:
1009.9mbar
Average pressure in May:
1009.9mbar
Average pressure in June:
1010.4mbar

Average pressure in July:
1010.8mbar
Average pressure in August:
1011.2mbar
Average pressure in September:
1011.4mbar
Average pressure in October:
1010.8mbar
Average pressure in November:
1009.6mbar
Average pressure in December:
1009.3mbar

The month with the highest atmospheric pressure is September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).

Average wind speed
Sukabumi, Indonesia

The windiest month (with the highest average wind speed) is January (6.7km/h).
The calmest month (with the lowest average wind speed) is August (3.5km/h).

Average humidity
Sukabumi, Indonesia

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is September (76%).

Average rainfall
Sukabumi, Indonesia

The wettest month (with the highest rainfall) is March (382mm).
The driest month (with the least rainfall) is August (88mm).

Average rainfall days
Sukabumi, Indonesia

Average rainfall days in January:
29.9 days
Average rainfall days in February:
27.8 days
Average rainfall days in March:
29.6 days
Average rainfall days in April:
29.3 days
Average rainfall days in May:
27.4 days
Average rainfall days in June:
24 days

Average rainfall days in July:
20.5 days
Average rainfall days in August:
17.5 days
Average rainfall days in September:
19.8 days
Average rainfall days in October:
27.5 days
Average rainfall days in November:
29 days
Average rainfall days in December:
28.8 days

The month with the highest number of rainy days is January (29.9 days).
The month with the least rainy days is August (17.5 days).

Average daylight / Average sunshine
Sukabumi, Indonesia

Average daylight in January:
12h and 30min
Average daylight in February:
12h and 18min
Average daylight in March:
12h and 6min
Average daylight in April:
12h and 0min
Average daylight in May:
11h and 48min
Average daylight in June:
11h and 42min

Average daylight in July:
11h and 48min
Average daylight in August:
11h and 54min
Average daylight in September:
12h and 6min
Average daylight in October:
12h and 18min
Average daylight in November:
12h and 24min
Average daylight in December:
12h and 30min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).

Average sunshine in January:
6h and 48min
Average sunshine in February:
7h and 6min
Average sunshine in March:
7h and 42min
Average sunshine in April:
6h and 54min
Average sunshine in May:
7h and 30min
Average sunshine in June:
6h and 30min

Average sunshine in July:
6h and 6min
Average sunshine in August:
7h and 36min
Average sunshine in September:
8h and 36min
Average sunshine in October:
7h and 36min
Average sunshine in November:
6h and 36min
Average sunshine in December:
6h and 54min

The month with the most sunshine is September (Average sunshine: 8h and 36min).
The month with the least sunshine is July (Average sunshine: 6h and 6min).

Average sunshine days
Sukabumi, Indonesia

Average sunshine days in January:
0.7 days
Average sunshine days in February:
0.3 days
Average sunshine days in March:
1.2 days
Average sunshine days in April:
0.6 days
Average sunshine days in May:
2.8 days
Average sunshine days in June:
4.8 days

Average sunshine days in July:
8.5 days
Average sunshine days in August:
12 days
Average sunshine days in September:
8.3 days
Average sunshine days in October:
2.9 days
Average sunshine days in November:
0.7 days
Average sunshine days in December:
1.5 days

The month with the most sunshine days is August (12 days).
The month with the least sunshine days is February (0.3 days).

Average UV index
Sukabumi, Indonesia

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).