Santana de Parnaiba

Planning your day in Santana de Parnaíba? Here you will find the latest weather information, as well as up-to-date forecasts and helpful charts.

The climate in Santana de Parnaíba, located in Brazil, can be described as warm, with tropical or distinct subtropical characteristics. Temperatures are comfortable throughout the year, with average values ranging from 17.5°C in July to 23.3°C in January. This means pleasant warmth without sweltering heat or extreme cold, with daytime highs usually between 22-27°C.

There are two distinct seasons in Santana de Parnaíba, differing mainly in the number of rainy days rather than the intensity of the rain. The wetter season, when rain is more frequent but generally remains light, occurs from October to March. For example, in January there can be up to 23 rainy days, but the total monthly accumulation is low (about 7 mm). From April to September, a drier period sets in, particularly pronounced in July, when the number of rainy days drops to a minimum (about 2 days) and only about 1 mm of precipitation falls.

As such, the weather in Santana de Parnaíba remains warm and inviting for travelers all year round. When planning your trip, it is worth noting that the summer months (December–March in the Southern Hemisphere) are characterized by more frequent but light rain, while the winter months (June–August) offer drier and sunnier weather. This allows you to choose the optimal time for your visit according to your preferences.

The city of Santana de Parnaíba enjoys a warm climate year-round, though temperature patterns change noticeably depending on the season. The annual range of average temperatures fluctuates from 17.5°C in July to 23.3°C in January. The hottest months are usually January (average temperature 23.3°C, with highs up to 27.4°C) and March (average temperature 23.1°C, with highs up to 27.5°C). The coolest month is July, when the average temperature drops to 17.5°C and the average nightly minimum reaches 11.8°C.

The summer period, which in Santana de Parnaíba falls between December and March, is characterized by warm and humid weather. Daytime temperatures during this time consistently stay within the 26.8°C to 27.5°C range, creating a hot feel. Nights also remain warm, with average minimum temperatures around 18-19°C. The significant number of rainy days in these months (from 17 to 23) contributes to high humidity, making the heat feel more intense.

The winter months, from June to August, bring milder and drier weather to Santana de Parnaíba. Daytime temperatures during this period are usually pleasant, ranging on average from 22.7°C to 23.7°C. Nights become noticeably cooler, with average minimum values between 11.8°C and 13.1°C. It is in winter that the most significant temperature fluctuations between day and night are observed: the difference between the average maximum and average minimum can reach 10-11°C, especially in July. This means that while days can be warm, evenings and nights can be quite brisk.

The city of Santana de Parnaíba experiences distinct seasonality in the distribution of precipitation throughout the year. There are clear wet and dry periods characteristic of the region's climate. Overall, precipitation mainly falls as rain, as average monthly temperatures remain high year-round.

The wet season in Santana de Parnaíba typically lasts from December to March. The highest rainfall occurs in January and February, when the monthly average reaches 7 mm. January also stands out as the month with the highest number of rainy days—23 days on average. December is also quite wet, with 5 mm of precipitation and approximately 20 rainy days. In October and November, rainfall is around 4 mm, and the number of rainy days ranges from 15 to 16. Based on the ratio of rainfall to the number of rainy days, rain during this period can be frequent but is not necessarily intense.

The dry season is most pronounced from May to July. During these months, a minimal amount of precipitation falls—only 1 mm per month. July is the driest month, with rain falling on average only 2 days. May and June also see very little precipitation, with 6 and 5 rainy days respectively. April, August, and September can be considered transitional months: the amount of precipitation in these months is about 2 mm, and the number of rainy days varies from 6 to 9.

When planning a trip to Santana de Parnaíba, it is important to consider the local climate to ensure your stay is as comfortable as possible. Generally, the weather is warm year-round, but there are periods of frequent rain. From January to March and from October to December, rain is quite common, although the total amount of precipitation is usually low. Nevertheless, to avoid getting wet while out and about, be sure to bring a lightweight raincoat or an umbrella. During these months, average temperatures range from 21°C to 23°C, so light, breathable clothing made from natural fabrics is most suitable. Don't forget comfortable shoes, as frequent rain can make the streets slippery.

From April to September, rainfall decreases significantly, especially in June and July when there are very few rainy days. Daytime temperatures during this period are usually comfortable, rising to around 23-27°C, but nights can be cooler, with minimum temperatures dropping to 11-14°C, particularly in May, June, and July. Therefore, layering your clothes is a great idea: you will be comfortable in a T-shirt or light shirt during the day, while a sweater, cardigan, or light jacket will come in handy in the evening. Regardless of the season, do not forget sunscreen and a hat, as the sun in Brazil can be quite strong.

No matter the time of year, comfortable walking shoes are a must-have for exploring the city. Given the temperature fluctuations between day and night, especially during the drier months (May to August), a light scarf or pashmina may also prove useful. A power adapter and a portable charger will make your journey even more hassle-free.