Amersham

Planning your day in Amersham? Check out the latest weather updates and forecasts right here to ensure your trip is as comfortable as possible.

Amersham, located in the United Kingdom, enjoys a temperate maritime climate typical of much of the country. This means extreme temperatures are rare, though the weather can be quite changeable. Overall, the climate is mild, characterized by the absence of intense summer heat or harsh winter frosts.

The town experiences four distinct seasons. Winters (December–February) are cool, with average temperatures around 4–6°C, occasionally dipping to 2–3°C. Summers (June–August) are moderately warm, with average temperatures ranging between 15–18°C and highs reaching 20–22°C. Spring and autumn are transitional seasons with mild and variable weather.

Precipitation in Amersham is distributed relatively evenly throughout the year, although data indicates a low volume of rainfall (2–3 mm per month). However, the number of "wet days" (ranging from 10 to 16 per month) suggests that light rain or overcast skies are a frequent occurrence. The highest number of rainy days occurs in March, October, and December. Therefore, travelers should be prepared for potential showers at any time of year.

The climate in Amersham is characterized by moderate temperatures throughout the year, typical of the United Kingdom. The warmest months are usually July, with an average temperature of 17.8°C and highs reaching 22.0°C, and August, where the average temperature is 17.5°C and the maximum is 21.5°C. The coldest month is January, with an average temperature of 4.7°C and lows around 2.1°C. Overall, the annual temperature cycle is smooth, without sharp extremes.

Summer months in Amersham, from June to August, offer pleasantly warm weather. Daytime temperatures mostly range from 20°C to 22°C, providing comfortable conditions for sightseeing and outdoor activities. Nights remain relatively warm, with minimum temperatures in the 11.5–13.7°C range. Winter, from December to February, is quite mild here. Average temperatures stay above freezing, around 4.7–6.0°C. Minimum temperatures average 2–4°C, indicating cool but not harsh winter weather, although occasional frosts are possible.

The transitional seasons, spring and autumn, show a gradual change in temperature. In spring, from March to May, the air temperature rises steadily from an average of 7.0°C to 12.4°C. In autumn, from September to November, there is a similar gradual cooling from 15.1°C to 7.7°C. Temperature fluctuations between day and night are most noticeable in late spring and summer, when the difference between high and low temperatures can reach 8–9°C. In the winter months, this difference is smaller, at around 4–6°C.

In Amersham, precipitation is distributed fairly evenly throughout the year, yet according to the data, it remains surprisingly low. Most months see only about 2 mm of rainfall. A slight increase to 3 mm is observed only in October, making it technically the "wettest" month by volume, though the difference is minimal.

Despite the low total volume, rainfall is spread over a significant number of days. The highest frequency of rainy days occurs in March, when precipitation is expected on an average of 16 days per month. This is followed by October and December, which each see 14 days of rain. This suggests that frequent but very light precipitation, such as drizzle or short showers, is more likely than heavy downpours during these periods.

Conversely, the fewest rainy days are seen in June—only about 10 days. In other months, such as January, February, April, May, July, August, September, and November, the number of rainy days fluctuates between 11 and 12. Given the low average winter temperatures (especially with lows around 2–3°C) and minimal precipitation levels, significant snowfall is unlikely; if it does snow, it will likely be light and brief. Overall, Amersham is characterized by frequent but very light precipitation, primarily in the form of rain, throughout the year.

When planning a trip to Amersham, it's important to account for the changeable weather typical of the UK. Layering is recommended year-round, as it allows you to easily adapt to temperature fluctuations. Essential items include comfortable waterproof shoes for walking and an umbrella or light raincoat, as rain is common, even if not heavy—averaging between 10 and 16 rainy days per month.

In summer, from June to August, when average temperatures range from 15.8°C to 17.8°C and highs can reach 22°C, you will need light clothing such as t-shirts, shorts, or skirts. However, even in the warmest months, don't forget to pack a sweater or light jacket for evening strolls or cooler days. Sunscreen is also useful on clear days. During the spring and autumn (March–May and September–November), the weather is cooler, with average temperatures between 7°C and 15°C. At these times, jeans, sweaters, a mid-season jacket, and perhaps a scarf will be most useful.

In winter, from December to February, the average temperature stays around 4.7°C–6.0°C, with lows near 2–3°C. For this time of year, be sure to pack a warm jacket or coat, a hat, gloves, and a warm scarf. Waterproof and insulated footwear will also be very helpful to keep your feet warm and dry while exploring the town and its surroundings. Regardless of the season, remember how unpredictable British weather can be—even a sunny day can quickly turn to rain.