Weather in Dover

Stay informed about the latest weather conditions in Dover. Below you will find current data, forecasts, and useful weather charts.

The climate in Dover, USA, can be characterised as temperate, with four distinct seasons. The city experiences noticeable temperature fluctuations throughout the year, allowing tourists to enjoy a variety of weather conditions depending on the time of their visit.

Winters in Dover are quite cool, with average January temperatures around +3.5°C, sometimes dropping to freezing. Spring brings gradual warming, giving way to a warm and sometimes hot summer. July is the warmest month with an average temperature of +26.6°C, and maximum values reaching +30°C. Autumn is characterised by a mild drop in temperatures, preparing the city for the coming winter.

Precipitation in Dover is distributed relatively evenly throughout the year, averaging 3-5 mm per month. A slight increase in rainfall and the number of rainy days is observed in July and August (16 and 15 rainy days respectively, with 5 mm of precipitation). This suggests that summer can be not only warm but also humid at times, with more frequent, though not necessarily heavy, rains. Overall, the weather is predictable within seasonal changes, allowing for well-planned trips.

The climate in Dover is characterised by noticeable seasonal temperature changes throughout the year. The coldest month is usually January, when the average temperature hovers around 3.5°C, and minimum night-time temperatures can drop to an average of 0.1°C. The hottest month, conversely, is July with an average temperature of 26.6°C, offering residents and guests typical summer weather.

The summer period in Dover, from June to August, is distinguished by warmth turning into heat. In June, the average temperature is about 23.6°C, with daytime highs up to 27.6°C and night-time lows around 19.6°C. July brings the peak of summer heat: the average temperature rises to 26.6°C, daytime values can reach 30.1°C, and nights remain very warm, around 23.0°C. August is slightly cooler than July, with an average temperature of 25.4°C, but still offers hot days (up to 28.7°C) and warm nights (around 22.1°C). Summer months, especially July and August, are also characterised by the highest number of days with precipitation, which can affect the perceived temperature.

The winter months in Dover – December, January, and February – are cool. In December, the average temperature is 5.5°C, with daytime highs around 8.9°C and night-time lows dropping to 2.2°C. January is the coldest, with average daytime temperatures around 6.9°C and night-time frosts when the thermometer shows an average of 0.1°C. February brings some warming, with the average temperature rising to 5.3°C, daytime highs up to 9.2°C, and night-time lows around 1.5°C. Temperature fluctuations between day and night throughout the year in Dover are moderate, averaging between 6 and 8 degrees Celsius.

In the city of Dover, precipitation is distributed quite evenly throughout the year, albeit with some seasonal features. The total amount of precipitation throughout the year is low, indicating the absence of a pronounced season of heavy rains. Nevertheless, the frequency of precipitation changes from month to month.

The highest amount of precipitation and the largest number of days with precipitation occur in the summer months. Thus, July is the wettest month with 5 mm of precipitation and 16 days when it falls. August is slightly behind, also with 5 mm of precipitation, but with 15 rainy days. This means that in summer, rainfall is likely to be frequent but not very intense. May is also characterised by relatively frequent precipitation (12 days), although the total amount is 3 mm.

The driest month of the year is considered to be November, when only 2 mm of precipitation falls, and the number of days with it decreases to 8. October is also one of the driest months (3 mm of precipitation, 8 days). In the winter period (December, January, February), precipitation amounts to about 3 mm per month, while it is observed on average for 10-11 days. Given that minimum temperatures in January (0.1°C), December (2.2°C), and February (1.5°C) are close to freezing point or drop below, snowfalls are possible in these months in addition to rain, most likely in the form of light snow.

When planning a trip to Dover, it is important to consider the changeable weather throughout the year so that your wardrobe is ready for any conditions. Regardless of the season, comfortable walking shoes will be your best companion, as the city is ideal for walking. Given that the number of rainy days per month ranges from 8 to 16, even with a small total amount of precipitation, a light folding umbrella or a waterproof jacket will be very useful. The principle of layering in clothing will help you easily adapt to temperature changes throughout the day.

In winter (from December to February), average temperatures range from 3.5°C to 5.5°C, sometimes dropping to 0°C. You will need a warm jacket, sweaters, a hat, gloves, and a scarf. In spring (from March to May), the weather gradually warms up: from a cool 8.6°C in March to a comfortable 18.9°C in May. It is recommended to take both light and warmer items, including a windbreaker or a light jacket. Summer (from June to August) in Dover is warm, with average temperatures of 23-26°C, sometimes reaching 30°C. Ideal choices would be light breathable fabrics, sunscreen, a hat, and sunglasses. Despite the warm weather, do not forget about possible summer rain, especially in July and August. In autumn (from September to November), the temperature gradually decreases from a pleasant 22°C in September to 10°C in November. Jumpers, a jacket, and possibly a warm scarf for late autumn will come in handy.