Weather in Marietta

Planning your day in the city of Marietta? In this section, you will find the latest weather information, including detailed forecasts and visual charts.

The climate in Marietta, USA, can be characterized as subtropical, with four distinct seasons. The city offers generally mild weather throughout the year, making it attractive to visit during various periods. Marietta is characterized by warm summers and cool, but not severe, winters.

The summer months, from June to August, are the warmest in Marietta. The average temperature during this period hovers around 24-26°C, and maximum daily highs often exceed 30°C. The winter season, covering December, January, and February, is distinguished by coolness, but strong and prolonged frosts are rare here. The average temperature of January, the coldest month, is approximately 7.1°C. The spring and autumn months delight with comfortable and pleasant weather, serving as mild transitional periods.

One of the interesting features of Marietta's climate is the precipitation pattern. The total monthly amount is quite small and usually ranges from 3-5 mm. However, the number of days with precipitation can be significant, especially in the summer months – for example, in July there are up to 19 such days. This indicates that precipitation most often falls in the form of light, perhaps short-lived rains or drizzle, rather than intense and prolonged downpours.

Marietta experiences a noticeable change of seasons with distinct temperature fluctuations throughout the year. The coldest month is usually January, when the average air temperature is around 7.1°C, with minimum night-time temperatures dropping to 2.6°C, and daytime highs reaching an average of 11.6°C. Conversely, the peak heat occurs in July, with an average temperature of 26.4°C. In this month, daytime highs often rise to 30.8°C, while nights remain warm with a minimum temperature of around 22.0°C. Thus, the annual temperature range in the city is quite wide, offering a variety of weather conditions.

The summer months in Marietta, covering the period from June to August, are characterized by consistently warm, and often hot, weather. Average monthly temperatures in this season range from 24.7°C in June to 26.4°C in July. Daytime highs regularly reach marks around 29-31°C, creating quite sultry conditions, especially at midday. Nights bring some relief but remain warm, with temperatures usually not falling below 20-22°C. The transitional spring (April, May) and autumn (September, October) months offer more moderate and comfortable temperatures, ideally suited for walking and exploring the city.

Winter in Marietta is generally mild and cool, without extreme frosts. In December, the average temperature is 8.8°C, dropping to 7.1°C in January, and rising slightly to 10.7°C in February. Night-time temperatures during the coldest period can approach the freezing point (2.6°C in January), but during the day the air usually warms up to 11-15°C. Daily temperature fluctuations are quite noticeable throughout the year. For example, in April, the difference between the average maximum (21.8°C) and average minimum (10.7°C) temperature is about 11 degrees, which is also typical for other seasons, indicating clear days and cool nights.

The climate of Marietta in the USA is characterized by a relatively even distribution of precipitation throughout the year, considering the total monthly amount. There is no pronounced season of torrential rains or, conversely, prolonged drought. However, the frequency of rainy days varies noticeably by month, which defines the main seasonality in precipitation.

Speaking of total volume, February and March are the months with the highest amount of precipitation (5 mm). The lowest amount of precipitation (3 mm) is recorded in May, October, and November. However, regarding the frequency of rain, the picture is different: July stands out as the "wettest" month, when it rains on average for 19 days. It is followed by August (15 days) and June (14 days). The "driest" months in terms of the number of rainy days are October and November, when precipitation is observed for only about 8 days in each.

Given the temperature regime, precipitation in Marietta falls predominantly as rain. Winter temperatures, although cool, remain on average above freezing, so snowfalls are not a typical phenomenon for this area. Summer rains are generally frequent but not heavy, mostly in the form of drizzle or short-term showers. Thus, when planning a trip, one should expect more frequent, but not necessarily heavy, rains in the summer period, and drier weather in the autumn.

When planning a trip to Marietta, it is important to consider its diverse climate so that your holiday is comfortable at any time of the year. In general, Marietta is characterized by warm summers and mild but cool winters. Since the amount of rainfall is small, but rainy days happen quite often throughout the year (from 8 to 19 days a month), a light umbrella or a waterproof jacket will become your faithful companions. Comfortable shoes for walking around the city will be indispensable. The principle of layering in clothing is an excellent strategy, allowing you to easily adapt to temperature changes during the day.

In summer (from June to August), it can be hot in Marietta; the average temperature holds around 25-26°C, and the maximum can exceed 30°C. Therefore, light and breathable items made from natural fabrics should go into your suitcase: T-shirts, shorts, sundresses. Don't forget sunscreen, a hat, and sunglasses. For evening walks or visiting air-conditioned premises, a light sweater or cardigan will be useful. In winter (from December to February), the weather is significantly cooler, with the average temperature ranging from 7°C to 10°C, and night-time lows can drop to 2-3°C. At this time, you will need a warm jacket, sweaters, jumpers, trousers made of thick fabric, as well as a hat, scarf, and gloves, especially if you are sensitive to the cold.

Spring (March-May) and autumn (September-November) in Marietta are transitional seasons with pleasant, moderate weather. The temperature gradually rises in spring (from 13°C to 21°C on average) and falls in autumn (from 23°C to 12°C). For these periods, layered clothing is ideal: T-shirts, which can be complemented by a long-sleeved shirt, a light sweater, or a fleece jacket, as well as a mid-season jacket. Depending on the specific month and your plans, both light trousers and jeans may be useful.