Climate and monthly weather forecast
Gävle, Sweden

Gävle, located in Sweden, holds within its geographical space a Humid Continental climate as per the Köppen Climate Classification, recognized by the symbol Dfb. This classification implies that the city experiences no dry season and relatively warm summers in the grand scheme of its weather patterns throughout the year.

As monthly averages reveal, Gävle's weather conditions fluctuates considerably over the course of a full year. Changes in temperature, rainfall, sunshine hours, and daylight hours help paint a comprehensive picture of Gävle's weather. In the colder months between December and February, the average high temperature reaches just above freezing point, fluctuating between -0.7°C (30.7°F) and 0.1°C (32.2°F), while the lowest average temperatures plunge to -7.5°C (18.5°F) to -7.3°C (18.9°F). As soon as March comes, weather conditions start improving considerably, with in the month of July reaching a peak temperature of 22.3°C (72.1°F) in the day down to 11.5°C (52.7°F) at night.

When observed on a month-by-month basis, the amount of rainfall and number of rainfall days seem to hold an interesting patter in Gävle. Between December and April, the city records fewest rainfall, falling within the range of 32mm (1.26") to 48mm (1.89"). The number of rainfall days among these months ranges from 11 to 15. However, from May to November, both rainfall and rainfall days increase, reaching a yearly maximum of 82mm (3.23") in August and 15 days in November and December.

The best time to visit Gävle is largely determined by the individual's preference of weather conditions. But for those seeking warmth and relatively consistent weather, the months of June to August may be the most suitable. During this period, average daytime temperatures range from 19.1°C (66.4°F) to 22.3°C (72.1°F). At night, the temperatures remain pleasantly cool, dropping to around 8.2°C (46.8°F) to 11.5°C (52.7°F). Along with longer daylight hours (ranging from 15.7 hours to 19 hours), June through August also sees considerable sunshine, with average sunshine hours staying between 6 to 9 hours. Furthermore, UV index during these months ranges from 4 to 5, indicating moderate to high levels, meaning ample opportunities for sunbathing, while fatigue and heat stroke is minimum.

The least favorable period to visit Gävle would be the winter months from December until February. With daytime temperatures sitting far below freezing, between -0.7°C (30.7°F) and 0.1°C (32.2°F), and nighttime temperatures dropping between -7.3°C (18.9°F) and -7.5°C (18.5°F), the conditions could prove challenging for visitors not accustomed to such frigid weather. Additionally, daylight is heavily restricted to about 5.8 hours to 9.1 hours per day while sunshine hours barely reaches 2 hours in these months.

Gävle experiences Spring from March until May. This period sees a steady rise in the temperature, starting from an average high of 4.4°C (39.9°F) in March and reaching 15.2°C (59.4°F) by May. Nights remain cool as the temperature moves up from an average low of -5°C (23°F) to 4.2°C (39.6°F). Rainfall too sees a gradual increment with March recording an average of 32mm (1.26") rainfall over 11 days to 39mm (1.54") over 10 days by May. Daylight hours increase markedly during these months, starting from 11.8 hours in March to reaching 17.4 hours by May.

The months of June, July, and August constitute Gävle's Summer. The temperatures remain pleasantly warm with average highs ranging from 19.1°C (66.4°F) in June to 22.3°C (72.1°F) in July and then slightly dips to 21.2°C (70.2°F) in August. It is a period of ample daylight with an average ranging from 15.7 hours to 19 hours. Although rainfall increases during these months, it is usually spread over 10 to 13 days only, making for generally dry periods.

Autumn in Gävle, occurring between September and November, is marked by a steep drop in temperatures but with an increase in rainfall. The highest average temperatures progressively decline from 16.6°C (61.9°F) in September to 4.2°C (39.6°F) in November while lowest temperatures move down from 6.4°C (43.5°F) to -0.5°C (31.1°F) in the same period. Rainfall increases from 67mm (2.64") over 14 days in September to 57mm (2.24") over 15 days in November. Daylight hours start diminishing markedly from 12.9 hours in September to 7.4 hours in November.

The cold months of December through February constitute the winter season in Gävle. The temperature averages hover around the freezing point during the day, from -0.7°C (30.7°F) in December to 0.1°C (32.2°F) in February, and plummet well below freezing at night, ranging from -7.5°C (18.5°F) to -7.3°C (18.9°F). Along with the intense cold, short daylight hours ranging from 5.8 hours to 9.1 hours characterize these winter months. Daily sunshine hours also record minimal, fluctuating between 1 to 2 hours only.

January in Gävle, Sweden, greets its locals and visitors with the coldest conditions of the whole calendar year. The average high stands rigidly near freezing at -0.7°C (30.7°F), however, the mercury can slither down to a chilling low of -7.5°C (18.5°F). Weather in January »

As the calendar rolls into February, Gävle continues to shiver in chilly weather conditions with a slight increase in daylight hours. February brings more sunshine and a substantial rise in daylight hours to 9.1 hours from 6.7 hours in January, but the temperature observes a negligible change, the high merely shifts from -0.7°C (30.7°F) to 0.1°C (32.2°F). Weather in February »

With the onset of March, Gävle witnesses the end of the winter season and the commencement of the Spring season. During March, visitors can anticipate a significant upturn in the average high temperature, which leaps to 4.4°C (39.9°F) from 0.1°C (32.2°F) in February. Weather in March »

April in Gävle ushers in further warmth, with temperatures finally reaching the double digits. With an impressive increase from March, the mean high temperature lies snugly at 10.2°C (50.4°F), boosting the arrival of Spring and engaging locals and tourists in outdoor activities. Weather in April »

In May, Gävle is well and truly in the grasp of Spring, allowing locals and tourists alike to bask in the sunshine. In May, Gävle experiences an increase in the average temperature, reaching a gentle warmth of 15.2°C (59.4°F), which sets the perfect climate for lazy strolls in parks or a day out on the archipelagos. Weather in May »

June signals the advent of summer in Gävle offering perfect weather for swimming and sunbathing. Gävle's summer charm becomes quite apparent; sunshine dominating the skies for 9 hours a day on average and an upswing in temperature to 19.1°C (66.4°F). Weather in June »

July proves itself as the warmest month in Gävle, accompanied by swift conditions that are quite favourable to outdoor enthusiasts. With an average high reaching its yearly peak at 22.3°C (72.1°F), July provides the perfect environment for lounging by Gävle's numerous lakes or enjoying a biking expedition through its scenic landscapes. Weather in July »

August, while slightly cooler than July, maintains the warm summer vibe in Gävle. The high temperature remains comfortably warm, albeit marginally lower than July, standing at an average of 21.2°C (70.2°F). Although the temperature starts to dip, the weather conditions are still conducive to sightseeing and various outdoor activities. Weather in August »

September marks the arrival of autumn in Gävle, bringing a whole spectacle of vibrant colors and mild weather. The city of Gävle experiences a noticeable drop in the average temperature in September, with highs settling around 16.6°C (61.9°F), yet providing comfortable conditions for visitors. Weather in September »

As Gävle ushers in October, the shades of autumn turn golden, signalling winter's approach. October witnesses a substantial dip in the average temperature to 9.3°C (48.7°F), prompting locals and tourists to reach for their warmer attire. Weather in October »

By November, Gävle's weather takes a turn toward the colder end of the spectrum. The month sees a steep decline in temperature to an average high of 4.2°C (39.6°F), a sign that winter is on the threshold. With the approach of the chilled weather, indoor entertainment opportunities such as museums, architectural tours, and food tastings become more appealing and give visitors a break from the cold. A decrease in the average high-temperature is observed during November, shifting from a frosty 9.3°C (48.7°F) in October to a wintry 4.2°C (39.6°F). Weather in November »

December in Gävle, the heart of winter, is characterized by its crisp, icy weather, short daylight hours, and distinctive festive spirit. The month concludes the weather cycle with temperatures hovering around 0.7°C (33.3°F), painting the landscape with a gorgeous layer of fresh snow. Weather in December »