Climate and monthly weather forecastBremen, Germany
Climate and monthly weather forecast
The climate of Bremen
Situated in Northern Germany, Bremen's climatic conditions can be categorized under the Köppen climate classification as Cfb, representative of a Marine West Coast climate with warm summers. Bremen's geographical location on the low lands directly contributes to its relatively mild and temperate climate. Variations in weather parameters are experienced throughout the year, each month bearing distinct characteristics.Throughout the year, Bremen experiences average maximum temperatures ranging from 3°C (37.4°F) in January to 22.8°C (73°F) in August. Minimum temperatures also display a similar trend, dropping to -0.5°C (31.1°F) during January and climbing to 13.6°C (56.5°F) in August. Relative humidity stays relatively high all year, fluctuating mildly between 76% in August and 90% in December.
Rainfall patterns indicate a slight increase from May to July, averaging 43mm (1.69") in June. However, the city receives a fair amount of precipitation throughout the year with a monthly average ranging from 17mm (0.67") in April to 43mm (1.69") in June. Snowfall is not as common, with January and December witnessing a maximum of 22mm (0.87") and 18mm (0.71") respectively.
The best time to visit Bremen
Contrasting weather conditions make Bremen appealing at different times of the year, contingent upon the visitor's activities and preferences. However, for those seeking warm temperatures, long daylight hours, and the most sunshine, the best time to visit Bremen is between June and August when Bremen experiences its summers. Average maximum temperatures during this period fluctuate around a pleasant 20°C (68°F) to 22.8°C (73°F), and daylight hours peak at 16.9 hours in June. Added to this, the city basks in nearly 9 hours of sunshine every day during summer.The worst time to visit Bremen
Bremen exhibits its coldest and windiest conditions from December to February, with wind speeds reaching 18.3km/h (11.4mph) in December. These months might be considered unfavourable for those averse to cold weather. January, in particular, sees the coldest conditions, with temperatures plunging to -0.5°C (31.1°F). Compounded by limited daylight hours, down to just 7.7 hours in December, and the highest relative humidity at 90%, the city's charm can be overshadowed by the cold and wet wintry conditions.Spring weather in Bremen
Spring in Bremen, extending from March to May, witnesses a gradual increase in temperature. March begins with an average maximum temperature of 8.8°C (47.8°F) whereas by May, the temperature reaches an average high of 17.1°C (62.8°F). Daylight hours, too, witness an increase from 11.9 hours in March to 15.9 hours in May. With decreasing cloud cover, the city receives around 8.1 hours of sunshine per day in May. Rainfall during this period averages 24mm (0.94") to 26mm (1.02") per month.Summer weather in Bremen
Summers in Bremen, from June to August, are characterized by warm temperatures. June through August sees average highs fluctuating between 20.2°C (68.4°F) and 22.8°C (73°F). Daylight hours peak during this season, extending up to 16.9 hrs in June. Although relative humidity remains reasonably high in this season, it falls to its lowest annual point of 76% in August. Precipitation during this time is on the higher side, with June recording the highest rainfall at 43mm (1.69").Autumn weather in Bremen
Autumn in Bremen sets in September and lasts until November. During this period, there's a noticeable drop in temperature, falling gradually from 18.7°C (65.7°F) in September to 5.1°C (41.2°F) by November. Daylight hours also reduce, from 12.7 hours in September to 8.7 hours in November. With increasing cloud cover, sunshine hours also decrease, running down to 4.2 hours by November. Autumn is relatively drier with rainfall from 21mm (0.83") in September to 27mm (1.06") in November.Winter weather in Bremen
Winter in Bremen spans from December through February. The city experiences its coldest conditions in this period, with average low temperatures reaching 1.2°C (34.2°F) in December and falling to -0.5°C (31.1°F) in January. Owing to the city's geographic position, winters are accompanied by short daylight hours, dropping to 7.7 hours in December. Coupled with high relative humidity, winter days in Bremen tend to be cold, damp, and often overcast. Despite the chilling conditions, Bremen enjoys its winter festivities and Christmas markets making this a special time for tourists.Weather in January
January in Bremen, Germany is a winter month characterized by snowfall and high humidity. With average snowfall registering at 22mm (0.87") over a span of approximately 5.3 days, the weather often results in a picturesque wintery landscape. Weather in January »Weather in February
February ushers in slightly improved weather conditions when compared to January. This month is marked by a slight decrease in snowfall, dropping to 19mm (0.75") over a period of about 4.3 days. The daytime gradually lengthens, granting the citizens of Bremen an extra 1.7 hours of sunlight. Weather in February »Weather in March
March signals the advent of the spring season in Bremen. The weather in this month displays a conspicuous decrease in snowfall, dwindling down to 12mm (0.47") and exhibited over an estimated 2.3 days. Coupled with an increase in daylight hours to about 11.9 hours daily, the city begins to thaw. Weather in March »Weather in April
April in Bremen brings significant changes in weather conditions. With a notable drop in snowfall, with snow barely reaching 1mm (0.04") and appearing over just 0.6 days, the remnants of winter are swept away. Daylight hours extend further, now offering residents approximately 14 hours of daily sunlight. Weather in April »Weather in May
As Bremen steps into May, the city is full steam into spring with no record of snowfall. Accompanied by an average of 15.9 daylight hours, this month witnesses an increase in temperatures, making it pleasantly warm. The wind continues to mellow, recording an average speed of 13.6km/h (8.5mph), a soothing departure from the gusty days of winter. Weather in May »Weather in June
June marks the onset of Bremen's summer season. Any traces of snow have vanished, replaced by rain capturing the highest monthly amount of 43mm (1.69"). The long days, enriched with 16.9 hours of daylight, bring forth a warm, almost balmy climate. Weather in June »Weather in July
July is often the hottest month in Bremen. Experiencing temperatures reaching up to 22.3°C (72.1°F), the city finds itself comfortably nestled in the heart of summer. The 16.4 hours of daylight afford ample sunshine, brightening up the cityscape. Weather in July »Weather in August
August, being another summer month in Bremen, is characterized by hot weather conditions and an optimal amount of daylight, accounting for about 14.7 hours. However, unlike July, temperatures show a mild increase, peaking at approximately 22.8°C (73°F) on some days. Weather in August »Weather in September
September brings the hint of autumn to Bremen, trailed by a decrease in temperatures and shorter daylight hours, now reduced to about 12.7 hours. The city basks in moderate weather conditions, with the temperature fluctuating around 18.7°C (65.7°F) during most of the days. Weather in September »Weather in October
October in Bremen is full-fledged autumn. The city experiences a noticeable decrease in temperature alongside shorter days, now offering approximately 10.6 hours of daylight. The average wind speed picks up slightly, registering at 14.8km/h (9.2mph), inviting a distinct chill in the air. Weather in October »Weather in November
November sees Bremen transitioning into winter, with the city experiencing a significant decrease in temperature alongside limited daylight, falling to around 8.7 hours per day. The wind speed continues to escalate, whipping up to an average of 15.5km/h (9.6mph). Weather in November »Weather in December
December, the final month of the year, plunges Bremen into the depths of winter. Characterized by cold temperatures alongside short days, offering a scant 7.7 hours of daylight, the city descends into the festive spirit. The weather corroborates this spirit, with an increase in snowfall, amounting to 18mm (0.71") over an estimated 3.5 days. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Bremen, Germany
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (3.3°C).
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure
Bremen, Germany
- Average pressure in January:
1014.4mbar - Average pressure in February:
1014.3mbar - Average pressure in March:
1015.4mbar - Average pressure in April:
1016mbar - Average pressure in May:
1016.2mbar - Average pressure in June:
1015.7mbar
- Average pressure in July:
1014.8mbar - Average pressure in August:
1015.1mbar - Average pressure in September:
1016.7mbar - Average pressure in October:
1015.9mbar - Average pressure in November:
1012mbar - Average pressure in December:
1013.9mbar
The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed
Bremen, Germany
- Average wind speed in January:
17.9km/h - Average wind speed in February:
17.6km/h - Average wind speed in March:
16.1km/h - Average wind speed in April:
14km/h - Average wind speed in May:
13.6km/h - Average wind speed in June:
12.8km/h
- Average wind speed in July:
12.7km/h - Average wind speed in August:
12.4km/h - Average wind speed in September:
12.9km/h - Average wind speed in October:
14.8km/h - Average wind speed in November:
15.5km/h - Average wind speed in December:
18.3km/h
The windiest month (with the highest average wind speed) is December (18.3km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).
Average humidity
Bremen, Germany
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (76%).
Average rainfall
Bremen, Germany
The wettest month (with the highest rainfall) is June (43mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days
Bremen, Germany
- Average rainfall days in January:
12.3 days - Average rainfall days in February:
9.5 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
12.1 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
16 days - Average rainfall days in September:
13.8 days - Average rainfall days in October:
13.7 days - Average rainfall days in November:
11.8 days - Average rainfall days in December:
13.6 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (9.5 days).
Average snowfall
Bremen, Germany
The month with the highest snowfall is January (22mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Bremen, Germany
- Average snowfall days in January:
5.3 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
0.6 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.8 days - Average snowfall days in December:
3.5 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Bremen, Germany
- Average daylight in January:
8h and 12min - Average daylight in February:
9h and 54min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 0min - Average daylight in May:
15h and 54min - Average daylight in June:
16h and 54min
- Average daylight in July:
16h and 24min - Average daylight in August:
14h and 42min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 36min - Average daylight in November:
8h and 42min - Average daylight in December:
7h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in January:
3h and 24min - Average sunshine in February:
3h and 24min - Average sunshine in March:
5h and 30min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 6min - Average sunshine in June:
8h and 24min
- Average sunshine in July:
8h and 54min - Average sunshine in August:
9h and 24min - Average sunshine in September:
7h and 42min - Average sunshine in October:
4h and 36min - Average sunshine in November:
4h and 12min - Average sunshine in December:
3h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days
Bremen, Germany
- Average sunshine days in January:
13.2 days - Average sunshine days in February:
13.2 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
15 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
10.5 days
- Average sunshine days in July:
9.7 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
12 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
14.1 days - Average sunshine days in December:
11.4 days
The month with the most sunshine days is April (15 days).
The month with the least sunshine days is July (9.7 days).
Average UV index
Bremen, Germany
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Bremen, Germany
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility
Bremen, Germany
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).








