Slough

Stay up to date with the latest weather information for Slough. In this section, you'll find current data, detailed forecasts, and clear charts to help you plan your day.

The climate in the town of Slough, located in the UK, can be described as temperate maritime. This means there are four distinct seasons, but without extreme temperature fluctuations. The weather is generally mild and fairly predictable, making Slough a comfortable place to visit year-round, though each season has its own characteristics.

The summer months, from June to August, are the warmest, with average temperatures ranging from 16.0°C to 17.9°C and highs reaching around 22°C. Winters, from December to February, are quite cool, with average temperatures between 4.7°C and 6.1°C. Spring and autumn are transitional seasons with gradual temperature shifts. Precipitation levels, according to the data, are low at just 2-3 mm per month; however, rainy days occur regularly, ranging from 10 to 16 days per month. This suggests frequent but likely light rainfall, which is typical for the region.

Overall, the weather in Slough is characterized by a lack of sharp changes. Travelers can expect mild summers, winters that aren't too cold, and moderate rainfall throughout the year. The highest number of rainy days occurs in March (16 days) and October/December (14 days each), while June is the month with the fewest rainy days (10 days).

The weather in the town of Slough, located in the United Kingdom, is characterized by a temperate maritime climate with distinct seasonal temperature changes. A smooth transition between temperature patterns occurs throughout the year. The coldest month is usually January, when the average temperature is about 4.7°C, with average lows dropping to +2.1°C and highs rarely exceeding +7.3°C. In contrast, the peak of warmth occurs in July, which is considered the hottest month with an average temperature of 17.9°C. August is also very warm, with an average temperature of 17.6°C.

Summer months in Slough generally offer pleasantly warm weather. In June, July, and August, average daily highs range from +20°C to +22°C, while nighttime temperatures drop to +11°C...+14°C. This creates comfortable conditions for outdoor activities and walks. The winter period, covering December, January, and February, is characterized by cool weather. Average temperatures during these months vary from +4.7°C to +6.1°C. At night, the thermometer can approach +2°C...+4°C, while during the day, the air warms up to an average of +7°C...+9°C. Severe frosts are atypical for this region.

The difference between day and night temperatures in Slough is most pronounced in late spring and summer. For example, in May, June, or July, the difference between the average high and average low can reach 8-9°C (for instance, in May, from 8.1°C to 16.9°C). In the winter months, these fluctuations are less significant, at around 4-6°C (for example, in December, from 3.9°C to 8.3°C). This indicates a fairly stable temperature regime during the cold season and more noticeable daily changes during the warmer months.

In Slough, as in many parts of the United Kingdom, precipitation is distributed fairly evenly throughout the year in terms of total volume. However, the frequency of rainy days varies significantly from month to month, creating periods of more or less frequent rainfall, which is characteristic of the region's temperate maritime climate.

Looking at total precipitation, October is the wettest month, with an average of 3 mm. In most other months, this figure is around 2 mm. In terms of rainy day frequency, March stands out as the month with the most days of precipitation—about 16. October and December are also quite wet, with approximately 14 rainy days each. June typically offers the fewest rainy days, around 10, making it a relatively "drier" month in terms of rainfall frequency.

Based on the data provided, the nature of precipitation in Slough is likely frequent light drizzle or short showers rather than heavy downpours. Even in months with a high number of rainy days, the total amount of precipitation remains low. Therefore, there is no distinct rainy season with intense rainfall in Slough, but travelers should be prepared for the possibility of light rain at almost any time of year, especially in spring and autumn.

When planning a trip to Slough, it’s important to account for the changeable British weather. While the climate is generally temperate, rainfall is quite frequent throughout the year, so a waterproof jacket or a compact umbrella will be your faithful companions. The key to comfort in any weather is dressing in layers. A light sweater or fleece that can be easily added or removed will help you adapt to temperature changes during the day.

In the summer months (June–August), when average temperatures hover around 16–18°C and highs can reach 20–22°C, you’ll need lightweight items: t-shirts, short-sleeved shirts, shorts, or light trousers. However, even in summer, evenings can be cool, so don’t forget to bring a cardigan or a light jacket. Sunscreen and sunglasses are also useful on clear days. Despite the summer warmth, keep the possibility of rain in mind—a lightweight waterproof windbreaker will come in very handy.

For travel during colder periods, from late autumn to early spring (October–April), when average temperatures range from 4°C to 12°C, you’ll need warmer clothing. Pack sweaters, warm trousers, a waterproof and windproof jacket, as well as a hat, scarf, and gloves, especially for the winter months (December–February). Regardless of the season, comfortable walking shoes—preferably waterproof—are absolutely essential for exploring the town and its surroundings.