Weather in Trollhättan

Find out what weather awaits you in Trollhättan right now and in the coming days. Below are up-to-date meteorological reports, charts, and detailed forecasts that will help you plan the perfect journey.

The climate in Trollhättan can be characterized as temperate, with a noticeable influence of maritime air masses. The weather here is typical for southern Sweden: without extreme temperature fluctuations, exhausting heat, or excessively severe frosts. This makes the city accessible for tourism all year round, although the character of the weather can be quite changeable.

Summer here is mild and comfortable, which is ideal for long walks and sightseeing. In the warmest months — July and August — the air warms up on average to +17...+20°C, creating a pleasant atmosphere of freshness. Winters are generally cool but not freezing, with temperatures often hovering around the zero mark or slightly below.

Travellers should consider that precipitation in Trollhättan falls quite regularly throughout the year. Even during the summer season, frequent rains are possible, and August may turn out to be one of the "wettest" months. Therefore, when planning a trip, it is recommended to always have an umbrella or a waterproof windbreaker with you to be ready for the caprices of Scandinavian weather.

The climate in Trollhättan is distinguished by a temperate character with a clearly defined change of seasons. The warmest and most comfortable time of the year is summer, especially July, when the average daytime temperature reaches its peak at 20.8°C. Summer weather here is generally mild and pleasant, without extreme heat, which creates ideal conditions for active recreation in nature. June and August also delight with warmth, maintaining daytime figures at the level of 20°C, while nights become cooler, dropping to 12-13°C.

The winter period in this region of Sweden is cool, but not excessively severe. January and February are traditionally considered the coldest months, when average minimum temperatures drop to -1.7°C, and during the day the air warms up only slightly above zero (to 2.2–2.8°C). December demonstrates similar figures. Although frosts occur regularly, severe cold spells are rare, so winter here feels rather bracing and fresh than freezing.

Transitional seasons are characterized by noticeable temperature fluctuations. Spring begins coolly, but by May the air warms up to a comfortable 16.4°C during the day, although nights remain fresh (around 7.6°C). Autumn arrives smoothly: September still retains summer warmth with maximums around 16°C, but by November the temperature drops noticeably, heralding the arrival of winter. Travellers should take into account the difference between day and night temperatures, which is most perceptible in the spring-summer period.

Precipitation in Trollhättan is distributed quite evenly throughout the year, so travellers should be prepared for changeable weather in any season. A clearly pronounced dry period is not observed here, however, statistics show that spring is a relatively "dry" time of the year. In particular, April pleases with the least number of inclement days (on average about 8), making it an excellent choice for walking around the city.

In the summer months and early autumn, the frequency of precipitation increases noticeably. August usually becomes the wettest month, when up to 17 rainy days are recorded; July and October can also be quite damp. In summer, rains often have a short-term character, refreshing the air at a comfortable temperature of about 16–17°C, however, having waterproof clothing or an umbrella will be useful.

In winter, the character of precipitation changes. In the period from December to February, when the temperature often balances around the zero mark (from -1.7°C to +2.8°C), rains give way to snowfalls or wet snow. On average, there are about 12–14 days with precipitation per month in winter, which creates an atmosphere typical for Sweden, although due to the mild climate, a stable snow cover is not always guaranteed.

A trip to Trollhättan requires a careful approach to packing your suitcase, as the Swedish weather can be changeable. The main principle to adhere to at any time of the year is layering. In winter and the off-season, when the temperature often fluctuates around zero, you will need warm thermal underwear, a woollen sweater, and a reliable windproof jacket or down coat. Do not forget a hat, scarf, and gloves to feel comfortable during walks along the famous locks and waterfalls.

Summer here is usually mild and not too hot, with average temperatures around 17°C, however, evenings can be cool, so a light jacket or fleece sweater will definitely come in handy even in July. Given that precipitation falls quite regularly throughout the year (especially in late summer and autumn), it is worth taking a compact umbrella or a high-quality raincoat. For exploring the city, choose comfortable, preferably waterproof flat shoes suitable for long walking.

Besides clothing, do not forget about protection from the sun and wind. Sunglasses will be relevant both on long summer days and in winter when the sun stands low above the horizon. If you are planning a trip in spring or autumn, a windbreaker with a hood will become your best friend, protecting against gusts of wind by the Göta Älv river. Such a practical set of items will allow you to enjoy Scandinavian landscapes in any weather.