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Harburg, Hamburg Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Harburg, Hamburg?
Harburg, Hamburg gets 746 mm of precipitation a year over about 178 rainy days. July is the warmest month (average high 23°C) and January the coldest (average low 0°C).
Oceanic climate
Harburg, Hamburg has warm summers and chilly winters. Daytime highs range from about 5°C in January to 23°C in July. July is usually the wettest month. The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 21°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 1° | 5° |
| Spring | Mar–May | 5° | 14° |
| Summer | Jun–Aug | 13° | 23° |
| Autumn | Sep–Nov | 7° | 14° |
How much rain does Harburg get?
Harburg gets 746 mm of precipitation in an average year, spread over about 178 days with measurable rain. That is more rainy days than 77% of Germany.
July is the wettest month, with 80 mm. April is the driest, with 39 mm. December has the most rainy days, about 18.
The longest dry spell in the last five years lasted 26 days, to May 9, 2022.
From October 2025 to September 2026 Harburg got 640 mm of rain, against a normal of 746 mm for those months. October 2025 had the most, with 112 mm.
Harburg weather by month
Harburg weather in January
In January, Harburg averages a high of 4°C and a low of 0°C. It gets 67 mm of precipitation over about 17 rainy days. Estimated sunshine is 19% of daylight hours, derived from ERA5 cloud cover. The January record high is 16°C (2023) and the record low is -21°C (1979).
Harburg weather in February
In February, Harburg averages a high of 6°C and a low of 0°C. It gets 54 mm of precipitation over about 15 rainy days. Estimated sunshine is 22% of daylight hours, derived from ERA5 cloud cover. The February record high is 21°C (2021) and the record low is -19°C (1986).
Harburg weather in March
In March, Harburg averages a high of 9°C and a low of 2°C. It gets 57 mm of precipitation over about 14 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The March record high is 24°C (2021) and the record low is -16°C (2006).
Harburg weather in April
In April, Harburg averages a high of 14°C and a low of 4°C. It gets 39 mm of precipitation over about 12 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The April record high is 28°C (2018) and the record low is -6°C (1986).
Harburg weather in May
In May, Harburg averages a high of 18°C and a low of 8°C. It gets 57 mm of precipitation over about 13 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The May record high is 34°C (2005) and the record low is -2°C (1980). May is one of the most comfortable months to visit.
Harburg weather in June
In June, Harburg averages a high of 21°C and a low of 12°C. It gets 72 mm of precipitation over about 14 rainy days. Estimated sunshine is 41% of daylight hours, derived from ERA5 cloud cover. The June record high is 39°C (2026) and the record low is 2°C (1975). June is one of the most comfortable months to visit.
Harburg weather in July
In July, Harburg averages a high of 23°C and a low of 14°C. It gets 80 mm of precipitation over about 15 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The July record high is 40°C (2022) and the record low is 4°C (1971).
Harburg weather in August
In August, Harburg averages a high of 23°C and a low of 14°C. It gets 76 mm of precipitation over about 15 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The August record high is 37°C (1992) and the record low is 3°C (1973). August is one of the most comfortable months to visit.
Harburg weather in September
In September, Harburg averages a high of 19°C and a low of 11°C. It gets 58 mm of precipitation over about 13 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The September record high is 32°C (2024) and the record low is 1°C (1971). September is one of the most comfortable months to visit.
Harburg weather in October
In October, Harburg averages a high of 14°C and a low of 7°C. It gets 59 mm of precipitation over about 15 rainy days. Estimated sunshine is 26% of daylight hours, derived from ERA5 cloud cover. The October record high is 28°C (2018) and the record low is -7°C (2003).
Harburg weather in November
In November, Harburg averages a high of 8°C and a low of 3°C. It gets 57 mm of precipitation over about 16 rainy days. Estimated sunshine is 19% of daylight hours, derived from ERA5 cloud cover. The November record high is 21°C (2014) and the record low is -10°C (1973).
Harburg weather in December
In December, Harburg averages a high of 5°C and a low of 1°C. It gets 69 mm of precipitation over about 18 rainy days. Estimated sunshine is 14% of daylight hours, derived from ERA5 cloud cover. The December record high is 16°C (2022) and the record low is -18°C (1981).
Sunshine, humidity and wind in Harburg
June is the sunniest month in Harburg, with estimated sunshine of 41% of daylight hours from ERA5 cloud cover. December is the cloudiest, at 14%. The annual cloud-cover estimate is 30% of daylight hours; it is not a measurement of sunshine duration. Harburg is cloudier than 81% of Germany.
Humidity peaks in December at 90% and is lowest in June at 66%.
Harburg has about 3 days a year above 32°C. Harburg is cooler than 75% of Germany.
First and last freeze in Harburg
The first fall freeze in Harburg typically comes around October 29, and the last spring freeze around April 20. That leaves a frost-free growing season of about 192 days.
Harburg weather records
These records cover HAMBURG-NEUWIEDENTHAL during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Harburg station is 40°C, on July 20, 2022. The coldest is -21°C, on January 1, 1979.
The wettest day in the available station history brought 83 mm of precipitation, on August 27, 1989.
39 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.4°C per decade since 1970.
The best time to visit Harburg
The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 21°C.
Winter (December–February) is chilly, with average highs around 5°C and lows near 0°C.
Spring (March–May) is mild, with average highs around 14°C and lows near 5°C.
Summer (June–August) is warm, with average highs around 23°C and lows near 13°C. It can feel humid.
Autumn (September–November) is mild, with average highs around 14°C and lows near 7°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 0° | 4° | 67 mm | 17 | 86% | 19% | 16° | -21° |
| February | 0° | 6° | 54 mm | 15 | 82% | 22% | 21° | -19° |
| March | 2° | 9° | 57 mm | 14 | 73% | 36% | 24° | -16° |
| April | 4° | 14° | 39 mm | 12 | 68% | 39% | 28° | -6° |
| May | 8° | 18° | 57 mm | 13 | 67% | 36% | 34° | -2° |
| June | 12° | 21° | 72 mm | 14 | 66% | 41% | 39° | 2° |
| July | 14° | 23° | 80 mm | 15 | 71% | 34% | 40° | 4° |
| August | 14° | 23° | 76 mm | 15 | 71% | 38% | 37° | 3° |
| September | 11° | 19° | 58 mm | 13 | 76% | 37% | 32° | 1° |
| October | 7° | 14° | 59 mm | 15 | 84% | 26% | 28° | -7° |
| November | 3° | 8° | 57 mm | 16 | 87% | 19% | 21° | -10° |
| December | 1° | 5° | 69 mm | 18 | 90% | 14% | 16° | -18° |
Station: HAMBURG-NEUWIEDENTHAL, 6 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Harburg climate questions
How much rain does Harburg get?
Harburg gets 746 mm of precipitation in an average year, over about 178 rainy days.
What is the wettest month in Harburg?
July is the wettest month in Harburg, with 80 mm. April is the driest, with 39 mm.
How many rainy days does Harburg have a year?
Harburg has about 178 days with measurable rain in an average year. December has the most, about 18.
What is the hottest month in Harburg?
July is the warmest month in Harburg, with an average high of 23°C.
What is the coldest month in Harburg?
January is the coldest month in Harburg, with an average low of 0°C.
What is the record high temperature in Harburg?
Within the available 1970–2026 station history, the record high at the Harburg station is 40°C, set on July 20, 2022. The record low is -21°C, on January 1, 1979.
What is the sunniest month in Harburg?
June is the sunniest month in Harburg, with estimated sunshine of 41% of daylight hours from ERA5 cloud cover. December is the cloudiest.
When is the first frost in Harburg?
The first fall freeze in Harburg typically comes around October 29. The last spring freeze is around April 20.
What is the best time to visit Harburg?
The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 21°C.