Weather in Decatur

Planning your visit to the city of Decatur? Check out the latest weather updates and detailed forecasts in this section to be prepared for any weather conditions.

The climate in Decatur can be described as moderately warm with distinct seasonality, allowing travellers to enjoy a variety of weather throughout the year. In general, a comfortable atmosphere prevails here without extreme temperature fluctuations: winters are quite mild, while summer delights with warmth and sunshine. This makes the city an attractive destination for tourism in almost any season.

The summer months, especially July and August, are the hottest, with average temperatures reaching 26°C, and daily highs often exceeding 30°C. At the same time, summer is distinguished by the highest number of rainy days, which is worth considering when planning walks. Winter brings coolness with average values around 6–9°C, however, severe frosts happen rarely here, and the temperature seldom drops below zero.

The transitional seasons — spring and autumn — offer the most balanced weather conditions. During these periods, for example in May and September, pleasant warmth sets in (around 21–23°C), ideally suited for active recreation. Precipitation falls regularly throughout the year, so a small umbrella may come in handy on your trip regardless of the chosen month.

The climate in Decatur can be characterized as temperate and quite comfortable for travel for most of the year. The annual temperature chart shows smooth transitions between seasons without extreme spikes. The hottest month is traditionally July, when the average air temperature is 26.2°C, and during the daytime, the thermometer often rises above 30°C. The coldest period is considered to be January, yet even then the average temperature holds at 6.0°C, indicating the absence of harsh winters.

The summer season here is truly warm and stable. From June to August, daily highs confidently stay in the region of 29–30°C, while nights also remain warm, rarely cooling down below 20°C, creating an atmosphere of southern comfort. Winter in Decatur is mild: even on the coldest nights of January and February, the temperature drops on average only to 1.5–4.7°C, remaining predominantly above freezing, and during the day the air often warms up to a pleasant 10–14°C.

Travellers should take into account the diurnal temperature fluctuations observed in the data. Throughout the year, the difference between the daily maximum and nightly minimum averages about 9–10 degrees. It is especially important to remember this in spring and autumn: for example, in April or October, after a sunny day with temperatures around 21–22°C, the evening can bring noticeable freshness when readings drop to 10–12°C, so a light jacket in your luggage will not be superfluous.

Precipitation in Decatur falls quite frequently throughout the year, but its distribution has its own seasonal features. The "wettest" period, judging by the frequency of precipitation, is summer. At this time, especially in July, travellers may encounter rain very often — statistics indicate a record 18 days with precipitation per month. June and August are also characterized by a high probability of rain (14–15 days), so a light raincoat will be useful in a summer wardrobe.

If you prefer drier weather for walks, it is worth paying attention to the middle of autumn. October is considered the driest month of the year: the number of days with precipitation decreases on average to 7, and in November there are about 8. This time of year offers the most stable conditions for outdoor sightseeing when the probability of getting wet is minimal.

In the winter months, the air temperature drops, but average indicators remain above zero (minimum in January is about 1.5°C). This means that precipitation falls mainly in the form of rain or cool drizzle, although wet snow is possible on the coldest days. Despite the fact that the total volume of falling moisture (in mm) remains moderate throughout the year, the high frequency of overcast days in winter (10–12 days a month) requires waterproof shoes and an umbrella.

A trip to Decatur requires a thoughtful approach to packing your suitcase, as the weather here has pronounced seasonality. A universal tip for any time of year is to use the principle of layering in clothing. This will allow you to easily adapt to temperature changes throughout the day, especially in spring and autumn, when morning coolness is replaced by daytime warmth. Be sure to take comfortable, broken-in flat shoes with you, as exploring the city will surely include long walks.

If your trip is planned for summer, give preference to light clothing made of natural fabrics, such as cotton or linen, to feel comfortable at temperatures reaching 30°C. Do not forget sunscreen and a head covering. For a winter visit, when night temperatures can drop to 1.5°C, you will need an insulated jacket, sweaters, and possibly a scarf for protection against the wind. In the off-season, a light jacket or a thick sweatshirt that can be thrown on in the evening will suffice.

Particular attention should be paid to protection from precipitation. Data shows that rain in Decatur is a frequent phenomenon, especially in the summer months (up to 18 rainy days in July). Therefore, a compact umbrella or a light raincoat will become your indispensable companions regardless of the trip date. In summer, a raincoat will also protect against the wind during thunderstorms, and in winter, it will help keep you warm and dry while walking around the city.