Cilacap

Planning a trip or just curious about the weather in Cilacap? Here you will find the latest information, including forecasts and useful weather charts, to ensure your day is as comfortable as possible.

The city of Cilacap in Indonesia has a tropical climate, characterized by consistently high air temperatures throughout the year. Average annual figures vary only slightly, usually within the 24-29°C range, providing warm weather almost constantly. Travelers should expect hot and humid conditions regardless of when they visit.

Rainfall in Cilacap is also an integral part of the climate, with quite a few rainy days throughout the year. The highest precipitation and number of wet days occur from November to April, when it can rain almost daily. For example, January and March see about 30 rainy days. From May to October, the amount of rainfall and the number of rainy days decrease, reaching a minimum in July and August (about 2-3 mm of precipitation and 14-16 rainy days). Nevertheless, even during these relatively "dry" months, the possibility of rain remains.

Therefore, when planning a trip to Cilacap, you should be prepared for warm and humid weather with frequent, though not always heavy, rain. Seasonality is expressed more in the number of rainy days than in sharp temperature fluctuations, which remain comfortably high year-round.

The climate in Cilacap is characterized as equatorial, which means consistently high temperatures throughout the year with minimal seasonal fluctuations. The annual range of average temperatures is small: from 24.6°C in August to 26.9°C in April. Thus, April can be considered the hottest month, when average maximum temperatures reach 29.5°C and average minimums do not drop below 24.3°C. The "coolest" month is August, with an average temperature of 24.6°C, while daytime highs are around 27.1°C and nighttime lows can drop to 22.0°C.

The so-called "summer" period in Cilacap, based on maximum temperatures, falls between November and May. During this time, the weather is especially hot and humid. Monthly average temperatures range from 26.3°C to 26.9°C. Daytime highs often reach 28.6°C - 29.5°C, and nights remain very warm, with temperatures around 24.0°C - 24.3°C. The high humidity characteristic of this period, combined with many rainy days, intensifies the feeling of heat.

The "winter" period, or more correctly, the less hot season, is observed from June to October. During these months, air temperatures drop slightly but remain comfortably warm. Average temperatures in July and August stay at 24.6°C - 24.8°C. During the day, the air warms up to 27.1°C - 28.3°C, and at night it becomes a bit fresher, with minimum values around 22.0°C - 23.2°C. An important feature of Cilacap's climate is the small difference between daytime and nighttime temperatures, which is usually about 5°C. This ensures consistently warm weather without sharp temperature jumps throughout the day.

In Cilacap, precipitation is observed throughout the year, but its intensity and frequency vary significantly, forming distinct wet and drier seasons. Given Indonesia's tropical climate, the main form of precipitation here is rain; snow is not characteristic of this region.

The wet season in Cilacap typically lasts from November to April. During this period, rainfall reaches its peak. The rainiest months are November and December, with an average of 12 mm of precipitation, as well as January and March with 11 mm. A characteristic feature of this season is the very high frequency of rain: for example, there are up to 30 rainy days in January and March, 29 in December, and 28 in November. Even in February (10 mm of precipitation) and April (8 mm of precipitation), the probability of rain remains high, with 27 and 28 rainy days respectively.

The drier season occurs from May to October. During these months, rainfall decreases significantly. The driest month of the year is August, when only about 2 mm of rain falls, and the number of rainy days decreases to an average of 14. July also sees low rainfall (about 3 mm) with 16 rainy days. In June and September, 4 mm of rain falls, with 22 and 18 rainy days, respectively. May (5 mm of rain, 22 rainy days) and October (6 mm of rain, 23 rainy days) can be considered transitional months between the dry and wet periods.

When planning a trip to Cilacap, it's important to consider its tropical climate with high humidity and consistently warm temperatures year-round. Average temperatures range from 24°C to 29°C, so your wardrobe should primarily consist of light, breathable clothing made from natural fabrics like cotton or linen. Comfortable walking shoes are a must, as you'll surely want to explore the city and its surroundings. Don't forget high-SPF sunscreen, a hat, and sunglasses to protect yourself from the bright Indonesian sun.

Cilacap experiences a pronounced rainy season, which usually falls between November and April. During these months, especially in January, March, November, and December, rainfall is significant, and the number of rainy days can reach 27-30 per month. Therefore, a light raincoat or a compact umbrella will be indispensable companions. Quick-drying clothing will also come in very handy. A drier season occurs from May to October, with the least rainfall in July and August (2-3 mm and about 14-16 rainy days). However, brief showers are possible even during this period, so a small umbrella will still be useful.

Although temperatures remain comfortable even in the evenings, a light sweater, shawl, or wrap can be useful for protection against any evening chill or in air-conditioned rooms. Given Indonesia's tropical climate, insect repellent is also worth having, especially if you plan to walk in nature or during the evening. The principle of layering here is not so much for warmth as for adapting to potential rain and temperature differences between the outdoors and air-conditioned spaces.