Waltham

Planning your day or preparing for a trip? Here you will find the most up-to-date weather information for Waltham, including detailed forecasts and visual charts.

The climate in Waltham can be described as temperate, with distinct seasonal changes typical of the northeastern United States. The weather here is quite diverse: travelers can expect everything from snowy, cool winters to truly warm, sunny summers. Thanks to this contrast, the city is an interesting destination year-round, though your activities and wardrobe will need to be tailored to the season.

The summer months, especially July and August, are the warmest: the average temperature stays around +23...+24°C, and daytime highs often reach +28°C, creating ideal conditions for outdoor walks. In contrast, winter brings the cold: from December to February, average temperatures hover around zero or drop slightly below (averaging -0.6°C in January), so warm clothing is a must-have for your trip.

A notable feature of Waltham's weather is its consistent precipitation—there is no sharp divide between "dry" and "wet" seasons. Rain (or snow in winter) falls fairly regularly throughout the year, with an average of 8 to 13 days of precipitation per month. Spring and autumn serve as mild transition periods when nature changes colors and temperatures gradually become comfortable for spending long periods outside.

The temperature in Waltham is characterized by distinct seasonality, offering tourists a variety of weather conditions throughout the year. The coldest month is traditionally January, when the average temperature drops to -0.6°C, and nighttime frosts can reach -4.3°C. In contrast, the peak of the heat occurs in July: in the middle of summer, the air warms up to an average of 23.8°C, and daytime highs often reach a comfortable 28.3°C.

Summer in the city is usually warm but not extremely hot, making it an excellent time to travel. From June to August, daytime temperatures stay steadily in the 25–28°C range. Notably, even in the warmest months, the nights bring a pleasant freshness: for example, in August, the difference between the daytime high and the nighttime low is about 9 degrees, allowing for a break from the midday sun.

The winter period requires warm clothing, as the mercury often hovers around zero or dips into negative values from December to February. The transition seasons are quite contrasting: while March still retains a winter chill with an average temperature around 4°C, by May the air warms up to 15.3°C, creating ideal conditions for long walks before the summer heat arrives.

Precipitation in Waltham is distributed fairly evenly throughout the year, so there is no distinct dry or rainy season. On average, each month brings between 8 and 13 days of precipitation, making the weather quite changeable. Travelers are advised to always carry an umbrella or raincoat, regardless of when they plan to visit.

In winter, especially in January and February, when temperatures often drop below freezing, precipitation falls primarily as snow. In the spring, nature comes alive, but the number of wet days increases: April is considered one of the cloudiest months, with up to 13 days of precipitation.

Summer is not without its rain either. July, along with April, leads in precipitation frequency (about 13 days), though high temperatures often turn these into warm showers. According to statistics, the "driest" month of the year is November, when the number of rainy days drops to a minimum—around 8 per month.

When packing for Waltham, it is important to consider the distinct seasonality of the local climate. In winter, when temperatures often drop below freezing and humidity remains high, you will definitely need a warm, windproof jacket or down coat, a hat, a scarf, and gloves. During the shoulder seasons, the weather can be changeable, so the best strategy is layering: a combination of a T-shirt, a sweater, and a light jacket will keep you comfortable during both cool mornings and warmer afternoons.

Summer brings warm and pleasant weather, with temperatures often reaching +24°C to +28°C, so light clothing made from natural fabrics, shorts, and comfortable open-toed shoes will be very useful. However, don't forget sun protection: be sure to pack sunscreen, sunglasses, and a hat for long walks on clear days.

Special attention should be paid to rain protection, as rainy days occur regularly in Waltham throughout the year (averaging 8 to 13 days per month). Regardless of the season, bring a compact umbrella or a high-quality raincoat, and make sure you have waterproof shoes. For walking tours, choose the most comfortable sneakers or boots suitable for long distances.