Weather in Plattsburgh

Planning to spend time in Plattsburgh? Find out the latest weather information right here. Below are current weather reports, forecasts, and useful charts to help you plan your day.

The climate in Plattsburgh, located in the United States, is characterised as humid continental, with four distinct seasons. The city experiences significant temperature fluctuations throughout the year, which is typical for this climatic zone. Travellers should expect cold, snowy winters and warm, sometimes hot, summers, while spring and autumn offer more moderate and changeable weather conditions.

Winters in Plattsburgh are quite severe: average temperatures from December to February drop significantly below freezing, reaching an average of -6.1°C in January, with minimum values down to -9.8°C. Summer, conversely, is warm and pleasant, especially in July and August, when the average temperature hovers around 21-22°C, and maximums can reach 26.3°C. Spring and autumn are transitional seasons with gradual temperature changes: in spring, the air warms up from a cool March (average temperature 0.1°C) to a moderately warm May (14.0°C), while in autumn, the reverse process occurs – from a warm September (17.4°C) to a cool November (3.4°C).

As for precipitation, it is distributed relatively evenly throughout the year, without a pronounced rainy season. A small amount of precipitation falls monthly, averaging between 2 and 4 mm. The number of days with precipitation is also quite stable, varying from 10 to 16 days per month. This means that the likelihood of encountering precipitation exists at any time of the year, but it is generally not excessively heavy.

The climate in Plattsburgh is characterised by pronounced seasonal temperature changes. The annual temperature range is quite wide: the coldest month, January, brings average daily temperatures of around -6.1°C, with overnight lows dropping on average to -9.8°C, and daytime highs around -2.4°C. Conversely, July is the warmest month, when the average temperature reaches 22.1°C, with daytime highs potentially rising to 26.3°C, while nights remain warm with lows around 17.9°C.

Winters in Plattsburgh are frosty and long. From December to February, average daily temperatures consistently stay below freezing. In January and February, night frosts are particularly noticeable, with the thermometer regularly dropping to -9°C and lower. Daytime temperatures during these months often remain negative, although in February and December they may approach zero or even slightly exceed it. March marks the transition to spring, but the average temperature is still close to freezing (0.1°C), with night frosts.

The summer months, from June to August, offer pleasantly warm weather. June, with an average temperature of 18.8°C, is already quite comfortable, while July and August are the peak of summer with average temperatures of 22.1°C and 21.0°C respectively. Daytime highs in the middle of summer usually fluctuate in the range of 23-26°C. Spring (April, May) and autumn (September, October) are transitional seasons with moderate temperatures. For example, in May the average temperature is 14.0°C, and in October it is 11.3°C. Fluctuations between day and night temperatures are noticeable throughout the year, especially in the spring and summer months, when the difference between the average maximum and minimum can reach 8-10°C, ensuring cool evenings after warm days.

In Plattsburgh, precipitation is distributed fairly evenly throughout the year in terms of total volume. There is no distinct rainy season or prolonged dry period here. The monthly volume of precipitation in Plattsburgh is generally small, ranging from 2 mm to 4 mm. However, the frequency of days with precipitation can vary noticeably from month to month.

The winter period, from December to February, is characterised by temperatures that favour precipitation mainly in the form of snow. Average monthly temperatures in January (-6.1°C) and February (-4.7°C), as well as in December (-1.8°C), usually provide conditions for snowfall. During these three months, between 2 and 3 mm of precipitation falls, and the number of snowy days varies from 12 to 14. March, with an average temperature of about +0.1°C, is a transitional month: snowfalls, sleet, or rain are all possible here, especially in the second half of the month. About 2 mm of precipitation falls in March over approximately 13 days.

From April to October, when average temperatures consistently stay above freezing, precipitation in Plattsburgh falls mainly in the form of rain. November (average temperature +3.4°C) is also a transitional month, when rains may be replaced by the first snow or sleet, especially towards the end of the month. The highest number of days with precipitation is observed in August (an average of 16 days) and June (15 days), with the total precipitation in these months amounting to 4 mm. April, July, October, and November also have 14 days with precipitation each.

If we evaluate the months by the amount of precipitation, the "wettest" can be considered April, June, July, August, and October (4 mm each). The least amount of precipitation (2 mm) falls in February, March, and May. Regarding the frequency of precipitation, August stands out, where on average 16 days of the month bring precipitation, while in May and September there are only about 10 such days. Overall, Plattsburgh is characterised by regular but not heavy moisture throughout the year, which should be taken into account when planning a trip.

When planning a trip to Plattsburgh, it is important to consider the changeable weather and pack accordingly. Regardless of the season, it is recommended to bring comfortable walking shoes and a waterproof jacket or umbrella, as precipitation is possible throughout the year, with 10 to 16 wet days per month. The principle of layering clothing will be your best friend, allowing you to adapt to temperature fluctuations throughout the day.

The winter months in Plattsburgh (from December to February) are quite cold, with average temperatures significantly below freezing (down to -6.1°C in January, with lows down to -9.8°C). Therefore, your suitcase must include a warm winter jacket, hat, scarf, gloves, and several layers of warm clothing, including sweaters and fleece tops. Don't forget warm and waterproof footwear, especially if you plan to spend a lot of time outdoors. Spring (March-May) and autumn (September-November) are characterised by transitional weather: from cool to moderately warm. It can still be cold in March (average temperature around 0.1°C), whereas May is significantly warmer (average 14.0°C). For these seasons, a mid-season jacket, sweaters, jeans, or thick trousers are suitable.

Summer in Plattsburgh (June-August) is warm and pleasant, with average temperatures ranging from 18.8°C in June to 22.1°C in July, and maximum values reaching 26.3°C. For the summer months, pack light clothing: t-shirts, shorts, dresses, and sandals. However, even in summer, evenings can be cool, and rainy days are possible (on average 14-16 wet days in the summer months), so a light jacket or sweater will still come in handy. Don't forget sunscreen and a hat for protection against the sun on clear days.