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Hildesheim, Lower Saxony Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Hildesheim, Lower Saxony?
Hildesheim, Lower Saxony gets 695 mm of precipitation a year over about 170 rainy days. July is the warmest month (average high 24°C) and January the coldest (average low -1°C).
Oceanic climate
Hildesheim, Lower Saxony has warm summers and chilly winters. Daytime highs range from about 4°C in January to 24°C in July. June is usually the wettest month. The most comfortable time to visit is typically May and July to September, when daytime highs sit near 21°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | -1° | 5° |
| Spring | Mar–May | 4° | 14° |
| Summer | Jun–Aug | 12° | 23° |
| Autumn | Sep–Nov | 7° | 14° |
How much rain does Hildesheim get?
Hildesheim gets 695 mm of precipitation in an average year, spread over about 170 days with measurable rain. That is more rainy days than 56% of Germany.
June is the wettest month, with 75 mm. April is the driest, with 37 mm. December has the most rainy days, about 19.
The longest dry spell in the last five years lasted 22 days, to May 15, 2025.
From October 2025 to September 2026 Hildesheim got 595 mm of rain, against a normal of 695 mm for those months. May 2026 had the most, with 116 mm.
Hildesheim weather by month
Hildesheim weather in January
In January, Hildesheim averages a high of 4°C and a low of -1°C. It gets 67 mm of precipitation over about 18 rainy days. Estimated sunshine is 20% of daylight hours, derived from ERA5 cloud cover. The January record high is 17°C (2023) and the record low is -21°C (2009).
Hildesheim weather in February
In February, Hildesheim averages a high of 5°C and a low of -1°C. It gets 47 mm of precipitation over about 14 rainy days. Estimated sunshine is 23% of daylight hours, derived from ERA5 cloud cover. The February record high is 19°C (2021) and the record low is -21°C (2021).
Hildesheim weather in March
In March, Hildesheim averages a high of 9°C and a low of 1°C. It gets 47 mm of precipitation over about 14 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The March record high is 24°C (2021) and the record low is -13°C (2018).
Hildesheim weather in April
In April, Hildesheim averages a high of 15°C and a low of 4°C. It gets 37 mm of precipitation over about 10 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The April record high is 28°C (2012) and the record low is -8°C (2013).
Hildesheim weather in May
In May, Hildesheim averages a high of 18°C and a low of 7°C. It gets 56 mm of precipitation over about 12 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The May record high is 31°C (2017) and the record low is -2°C (2019). May is one of the most comfortable months to visit.
Hildesheim weather in June
In June, Hildesheim averages a high of 22°C and a low of 11°C. It gets 75 mm of precipitation over about 13 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The June record high is 37°C (2026) and the record low is 2°C (2009).
Hildesheim weather in July
In July, Hildesheim averages a high of 24°C and a low of 12°C. It gets 74 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 39°C (2022) and the record low is 6°C (2014). July is one of the most comfortable months to visit.
Hildesheim weather in August
In August, Hildesheim averages a high of 24°C and a low of 12°C. It gets 61 mm of precipitation over about 14 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The August record high is 37°C (2022) and the record low is 4°C (2025). August is one of the most comfortable months to visit.
Hildesheim weather in September
In September, Hildesheim averages a high of 19°C and a low of 9°C. It gets 52 mm of precipitation over about 12 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The September record high is 33°C (2016) and the record low is 1°C (2008). September is one of the most comfortable months to visit.
Hildesheim weather in October
In October, Hildesheim averages a high of 14°C and a low of 7°C. It gets 64 mm of precipitation over about 14 rainy days. Estimated sunshine is 26% of daylight hours, derived from ERA5 cloud cover. The October record high is 27°C (2011) and the record low is -4°C (2019).
Hildesheim weather in November
In November, Hildesheim averages a high of 8°C and a low of 3°C. It gets 54 mm of precipitation over about 15 rainy days. Estimated sunshine is 23% of daylight hours, derived from ERA5 cloud cover. The November record high is 21°C (2020) and the record low is -9°C (2010).
Hildesheim weather in December
In December, Hildesheim averages a high of 6°C and a low of 1°C. It gets 62 mm of precipitation over about 19 rainy days. Estimated sunshine is 16% of daylight hours, derived from ERA5 cloud cover. The December record high is 18°C (2022) and the record low is -19°C (2009).
Sunshine, humidity and wind in Hildesheim
September is the sunniest month in Hildesheim, with estimated sunshine of 40% of daylight hours from ERA5 cloud cover. December is the cloudiest, at 16%. The annual cloud-cover estimate is 31% of daylight hours; it is not a measurement of sunshine duration. Hildesheim is cloudier than 72% of Germany.
Humidity peaks in December at 87% and is lowest in April at 66%.
Hildesheim has about 4 days a year above 32°C. Hildesheim is cooler than 52% of Germany.
First and last freeze in Hildesheim
The first fall freeze in Hildesheim typically comes around November 4, and the last spring freeze around April 27. That leaves a frost-free growing season of about 191 days.
Hildesheim weather records
These records cover ALFELD during 2007–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Hildesheim station is 39°C, on July 20, 2022. The coldest is -21°C, on February 13, 2021.
The wettest day in the available station history brought 91 mm of precipitation, on July 24, 2017.
The best time to visit Hildesheim
The most comfortable time to visit is typically May and July 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 4°C.
Summer (June–August) is warm, with average highs around 23°C and lows near 12°C.
Autumn (September–November) is mild, with average highs around 14°C and lows near 6°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -1° | 4° | 67 mm | 18 | 84% | 20% | 17° | -21° |
| February | -1° | 5° | 47 mm | 14 | 80% | 23% | 19° | -21° |
| March | 1° | 9° | 47 mm | 14 | 71% | 37% | 24° | -13° |
| April | 4° | 15° | 37 mm | 10 | 66% | 37% | 28° | -8° |
| May | 7° | 18° | 56 mm | 12 | 66% | 36% | 31° | -2° |
| June | 11° | 22° | 75 mm | 13 | 66% | 38% | 37° | 2° |
| July | 12° | 24° | 74 mm | 15 | 67% | 34% | 39° | 6° |
| August | 12° | 24° | 61 mm | 14 | 68% | 38% | 37° | 4° |
| September | 9° | 19° | 52 mm | 12 | 74% | 40% | 33° | 1° |
| October | 7° | 14° | 64 mm | 14 | 82% | 26% | 27° | -4° |
| November | 3° | 8° | 54 mm | 15 | 84% | 23% | 21° | -9° |
| December | 1° | 6° | 62 mm | 19 | 87% | 16% | 18° | -19° |
Station: ALFELD, 23 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 2007–2026; 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.
Hildesheim climate questions
How much rain does Hildesheim get?
Hildesheim gets 695 mm of precipitation in an average year, over about 170 rainy days.
What is the wettest month in Hildesheim?
June is the wettest month in Hildesheim, with 75 mm. April is the driest, with 37 mm.
How many rainy days does Hildesheim have a year?
Hildesheim has about 170 days with measurable rain in an average year. December has the most, about 19.
What is the hottest month in Hildesheim?
July is the warmest month in Hildesheim, with an average high of 24°C.
What is the coldest month in Hildesheim?
January is the coldest month in Hildesheim, with an average low of -1°C.
What is the record high temperature in Hildesheim?
Within the available 2007–2026 station history, the record high at the Hildesheim station is 39°C, set on July 20, 2022. The record low is -21°C, on February 13, 2021.
What is the sunniest month in Hildesheim?
September is the sunniest month in Hildesheim, with estimated sunshine of 40% of daylight hours from ERA5 cloud cover. December is the cloudiest.
When is the first frost in Hildesheim?
The first fall freeze in Hildesheim typically comes around November 4. The last spring freeze is around April 27.
What is the best time to visit Hildesheim?
The most comfortable time to visit is typically May and July to September, when daytime highs sit near 21°C.