Mumbles

Stay up to date with the latest weather information for Mumbles. Below you'll find current reports, detailed forecasts, and helpful charts to help you plan your day.

The climate in Mumbles, located in the United Kingdom, can be characterized as temperate maritime. This means there are no extreme temperatures: winters are quite mild, and summers are usually cool or moderately warm. Thanks to the influence of the Atlantic Ocean, sharp temperature fluctuations throughout the year are smoothed out, creating relatively stable weather conditions.

Mumbles has four distinct seasons. Winter (December-February) is characterized by cool weather with average temperatures around 5-7°C and frequent precipitation, though the total monthly amount is small. Spring (March-May) brings gradual warming, but the weather remains changeable. Summer (June-August) is the warmest time of year, with average temperatures around 15-16°C; this period is considered the most favorable for visiting, although rain is still possible. Autumn (September-November) brings a gradual cooling and an increase in rainy days, especially by October and November.

One of the key features of the Mumbles climate is the high frequency of rainy days throughout the year. Data shows that the number of days with precipitation ranges from 13 to 20 per month. At the same time, the total monthly precipitation is listed as small (3-6 mm), which may indicate frequent but not very intense rain or drizzle. Tourists should be prepared for the possibility of rain at any time of year and carry appropriate clothing.

The climate in Mumbles is characterized by moderate temperatures throughout the year without sharp extremes. The coldest month is usually January, when the average temperature stays around 5.7°C, and minimum values can drop to 3.8°C. The warmest months are July and August, with average temperatures around 16.1-16.2°C. In August, the average maximum reaches 18.5°C, and in July, it hits 18.7°C, making these months the most comfortable for a summer break.

The summer months in Mumbles, from June to August, offer pleasantly warm weather. Daytime temperatures typically range from 17°C to nearly 19°C, which is ideal for coastal walks and outdoor activities. Nights also remain mild, with temperatures rarely falling below 11-13°C. Heatwaves are rare here; the climate is refreshing rather than sweltering.

Winter in Mumbles, from December to February, is quite mild and cool. Average temperatures during this period range from 5.7°C to 7.1°C. Although nighttime temperatures can approach 3-5°C, severe frosts are not typical for this region. Temperature fluctuations between day and night in Mumbles are generally small throughout the year, usually with a difference of about 3-6°C, reflecting the sea's influence in tempering temperature contrasts.

In Mumbles, precipitation is distributed fairly evenly throughout the year, and there is no clearly defined dry or rainy season. However, some trends can be noted: the autumn and winter months generally bring slightly more precipitation compared to spring and summer. Overall, Great Britain is known for its changeable weather, and Mumbles is no exception, so light rain can occur at any time of year.

In terms of specific figures, the highest amount of precipitation usually falls in October and December, with an average of 6 mm. These months, along with November and March, also see the highest number of rainy days — between 18 and 20. The "driest" months are April, May, June, and July, when only 3 mm of rain falls. However, even during these periods, the number of days with precipitation remains significant, such as about 13 days in May and 14 in April.

Precipitation in Mumbles typically takes the form of moderate rain or drizzle rather than heavy downpours, which is characteristic of a maritime climate. Since average monthly temperatures rarely drop below freezing even in winter, precipitation falls primarily as rain. Snowfall is infrequent. Therefore, when visiting Mumbles, it’s best to be prepared for rain regardless of the season, though autumn and early winter may be slightly wetter.

When planning a trip to Mumbles, it's important to consider its maritime climate with moderate temperatures and a high probability of precipitation year-round. A waterproof jacket or raincoat and comfortable waterproof shoes for walking should be key elements of your wardrobe. Layering will be your best ally, allowing you to easily adapt to the changeable weather, especially considering the influence of the wind. Don't forget an umbrella — it will come in handy in any season, as the number of rainy days is significant throughout the year.

During the summer months (June-August), when average temperatures are around 15-16°C and maximums reach 18-19°C, you'll need light items like T-shirts and long-sleeved shirts, but you should also bring a sweater or fleece for evening walks or cooler, windier days. Even in summer, the number of rainy days remains high (averaging 15-18 days per month), so a light waterproof windbreaker is a must. In winter (December-February), average temperatures hover around 5-7°C, so be sure to pack a warm, preferably windproof and waterproof jacket, a hat, scarf, and gloves. In spring and autumn, the weather is transitional: a mid-season jacket, sweaters, and the ability to vary layers will help you feel comfortable at 7°C in March and 14°C in October.

In addition to clothing, think about other useful items. Sunscreen and sunglasses may be needed even on days that aren't very hot, especially near the water where the sun can be deceptively active. If you plan to do a lot of walking, ensure your shoes are comfortable and suitable for wet weather. A small backpack is convenient for day trips to carry a raincoat, a bottle of water, and other essentials. Given that the number of rainy days in Mumbles is high year-round (from 13 to 20 days per month depending on the season), being prepared for wet and windy weather is the key to a comfortable trip.