Rosemont

Planning your day in Rosemont? Check out the latest weather updates and forecasts right here to make sure your trip or business travel is as comfortable as possible.

Below you will find current data, forecasts, and helpful weather charts.

The climate in Rosemont, USA, is classified as continental, with four distinct seasons. The city experiences significant temperature fluctuations throughout the year, which is typical for this climate type. Winters are cold, while summers are warm and sometimes hot, creating diverse weather conditions for visitors depending on the timing of their trip.

The summer months, especially July and August, are the warmest, with average temperatures reaching 23-24°C and maximum values approaching 28°C. This is a pleasant time for outdoor activities. In contrast, winters are cold, with a January average temperature of about -1.4°C and minimum temperatures dropping below -4°C. Spring and autumn serve as transitional seasons with moderate temperatures, gradually rising in the spring and falling in the autumn.

As for precipitation, it is distributed fairly evenly throughout the year, with a small peak in May (4 mm). On average, precipitation amounts to 2-3 mm per month, and the number of rainy days varies from 7 to 13 per month. This means there is a possibility of precipitation year-round, although it is rarely excessive. Travelers should be prepared for changeable weather and have appropriate clothing for the season.

Rosemont experiences a distinct change of seasons with notable temperature fluctuations throughout the year. The hottest months are typically July, with an average temperature of 23.8°C and highs reaching 28.3°C, and August, with an average of 23.6°C and highs up to 28.1°C. The coldest period falls in January, when the average temperature drops to -1.4°C and nighttime lows can reach -4.7°C. February also remains cold, with an average temperature of 0.7°C and minimum values around -3.8°C.

Summer in Rosemont is characterized by warm and occasionally hot weather. Daytime temperatures in June, July, and August often rise above 27°C, while average maximums reach 27.1°C - 28.3°C. Nights bring some relief, with temperatures dropping to an average of 17.3°C - 19.2°C. Winter, conversely, is quite frosty. From December to February, average daytime temperatures range from 2.0°C to 5.2°C; however, nighttime frosts are a common occurrence, especially in January when the thermometer regularly drops to -4.7°C and the average monthly temperature is -1.4°C.

The transitional seasons—spring and autumn—show a gradual but palpable change in temperatures. In spring, from March to May, there is a significant warming: from an average of 5.4°C in March (with highs up to 9.7°C) to a comfortable 16.9°C in May (with highs up to 21.9°C). In autumn, from September to November, the reverse trend is observed—a gradual cooling from a pleasant average of 20.6°C in September (maximum 25.1°C) to a cool 6.9°C in November (maximum 10.6°C). Diurnal temperature fluctuations are noticeable throughout the year: the difference between daytime highs and nighttime lows is often around 7-10°C, which should be taken into account when planning your wardrobe for a trip to Rosemont.

In Rosemont, precipitation occurs throughout the year; however, the total amount is small and distributed relatively evenly. There is no distinct rainy season or dry period, but there are some fluctuations in the number of wet days from month to month.

The highest amount of precipitation, around 4 mm, and the greatest number of wet days, approximately 13, usually fall in May. April also stands out for frequent precipitation, with about 12 wet days and around 3 mm of rainfall. The "driest" month in terms of wet days is November (about 7 days), when around 2 mm of precipitation falls. A similarly small amount of precipitation (2 mm) is also characteristic of January, February, August, September, and December, although the number of wet days in these months can vary from 8 to 11.

In winter, especially in January (average temperature -1.4°C) and February (average temperature 0.7°C, with lows below zero), precipitation predominantly falls as snow. In December (average temperature 2.2°C), there is also a high probability of snowfall. During the other months, when temperatures are positive, precipitation comes in the form of rain. Given the small total amount of precipitation even on the "wettest" days, these are typically light or moderate rains rather than prolonged downpours.

When planning a trip to Rosemont, it is important to consider the variable weather throughout the year to pack correctly. Layering will be your best friend. In winter (December to February), it is quite cold here, with average temperatures hovering around 0°C and lows reaching -4.7°C. Therefore, be sure to bring a warm winter jacket, hat, gloves, a scarf, and waterproof footwear, as snow or freezing rain is possible. In spring (March-May) and autumn (September-November), the weather is changeable, ranging from cool to moderately warm. You will need a mid-season jacket, sweaters, comfortable trousers, and closed-toe shoes. Don't forget an umbrella, as there can be up to 13 rainy days a month during these periods.

The summer months in Rosemont (June-August) are warm, with average temperatures around 23°C and highs reaching 28°C. Light clothing such as T-shirts, shorts, dresses, and sandals is suitable for this time of year. However, even in summer, evenings can be cool, so a light sweater or cardigan won't go amiss. Sunscreen, a hat, and sunglasses will also be useful for sun protection. Regardless of the season, comfortable walking shoes are a must, as you will likely be moving around a lot while exploring the area.

In general, for a comfortable stay in Rosemont, it is recommended to always have several layers of clothing to adapt to temperature changes throughout the day. A small backpack or day bag for daily walks, where you can keep an umbrella, a bottle of water, or an extra layer of clothing, will also be very helpful. Given the number of days with precipitation throughout the year, a compact umbrella or a light raincoat should be kept close at hand almost always.