Climate and monthly weather forecast
Den Helder, Netherlands

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The climate of Den Helder

Den Helder, located in the Netherlands, falls under the category of Cfb according to the Köppen climate classification. This signifies a marine west coast climate with warm summer temperatures. In relation to this, the monthly temperature high ranges from 5.7°C (42.3°F) to 18.9°C (66°F) while the degree of thermal comfort can go down from 4.4°C (39.9°F) to 16.4°C (61.5°F). Humidity levels stay fairly constant throughout the year, with the relative humidity oscillating only slightly around 80%, hinting at a persistent maritime influence.

Going through the climatic parameter, precipitation presents in two forms over the course of a year: rain and snow. Rainfall extends from 13mm (0.51") to 49mm (1.93"). A salient feature of this pattern shows that the highest precipitation happens during October with 49mm (1.93") of rainfall making it the wettest month. Nevertheless, it is remarkable to observe that the city experiences rainfall across the entire twelve months with days of rainfall varying from 10.8 to 19.7 days. Snowfall, on the other hand, is rare and only happens from December to March, peaking in December and January with 9mm (0.35") and 8mm (0.31") respectively.

The amount of daylight and sunshine presents an interesting aspect of the climate. From the shortest daylight of 7.7 hours in December to the longest stretch of 16.8 hours in June, the city offers a wide range of light conditions. Corresponding sunshine hours are also diverse, fluctuating between 3.4 hours in December and 10.1 hours in June. Peak ultraviolet (UV) index ratings are noted in the months from June to August, each scoring a UV index of 5.

In terms of atmospheric conditions, visibility remains constant at a 10km (6.2mi) range throughout the year. Cloud cover varies slightly from 40% to 67%, signifying a predominantly clear to partly cloudy sky. Atmospheric pressure is fairly consistent, fluctuating between 1010.5mb and 1016.5mb. Frequently windy, Den Helder experiences winds speeds that oscillate between 21.4km/h (13.3mph) and 33.9km/h (21.1mph).

The best time to visit Den Helder

Visitors seeking the warmest weather and longest days should plan their trip between June and August. During this period, average high temperatures exceed 15.2°C (59.4°F), daylight extends to more than 16 hours, and the city basks in more than 9 hours of sunshine per day. Despite being the months with the highest UV index, proper sun protection makes this period ideal for outdoor activities. Furthermore, rainfall is relatively lower than in autumn, ranging from 29mm (1.14") to 44mm (1.73").

The worst time to visit Den Helder

The months between November and March can prove challenging for visitors unused to colder climates. During this time, average high temperatures hover below 10.5°C (50.9°F), and daylight falls short of 9 hours. Although snowfall in Den Helder is not substantial, the frigid conditions combined with frequent rainfall, which peaks at 41mm (1.61") in December, can make outdoor exploration less comfortable.

Spring weather in Den Helder

Spring in Den Helder is characterized by gradually warming temperatures and increased daylight hours. From March to May, the average high temperature rises from 6.8°C (44.2°F) to 12.2°C (54°F). Correspondingly, daylight hours extend from 11.9 to 15.8 hours. Rainfall during this period varies from 13mm (0.51") to 18mm (0.71") and the city experiences a generally clear sky with a declining cloud percentage from 52% to 43%.

Summer weather in Den Helder

Summers in Den Helder are comfortably warm with average high temperatures from 15.2°C (59.4°F) to 18.9°C (66°F) from June to August. The city experiences the longest daylight hours and maximum sunshine during this quarter of the year. June enjoys the highest sunshine duration with a yearly maximum of 10.1 hours coupled with 16.8 hours of daylight. These months are also distinguished by increased rainfall and the highest UV index ratings of the year.

Autumn weather in Den Helder

Autumn witnesses a decline in temperatures and daylight hours. The period from September to November sees average high temperatures go down from 17.2°C (63°F) to 10.5°C (50.9°F). Corresponding daylight hours shorten from 12.7 to 8.7 hours. Rainfall considerably increases, peaking at 49mm (1.93") in October, making it the wettest month of the year.

Winter weather in Den Helder

Winter in Den Helder is marked by the coolest temperatures, shortest days, and limited sunshine duration. From December to February, the average high temperature varies between 5.7°C (42.3°F) and 6.8°C (44.2°F). Daylight is markedly reduced to its lowest extend at 7.7 hours in December and sunshine duration lingers at its minimum of 3.4 hours. Favourably, snowfall is minimal and the pressure remains roughly stable, offering rather mild winter conditions.

Weather in January

January in Den Helder, Netherlands, is characterized by a mix of rain and snow, contributing to the overall wet conditions. As the coldest month, the lowest average temperatures fall to 4.4°C (39.9°F), while the highest increase up to 6.2°C (43.2°F). Weather in January »

Weather in February

The climate of Den Helder in February experiences a slight shift from the preceding month. There is an observable reduction in the average rainfall from 29mm (1.14") down to 26mm (1.02"). With this decrease, the wet days reduce slightly yet remain significant throughout the month. Weather in February »

Weather in March

In March, Den Helder indicates the first signs of spring with the weather gradually warming up, yet the winter's bite lingers. The maximum temperature edges up slightly to 6.8°C (44.2°F), and the humidity remains fairly constant. Weather in March »

Weather in April

April sees the promise of the onset of spring becoming evident in Den Helder, Netherlands. A substantive uptick in the average high temperature is seen, reaching up to 9.4°C (48.9°F). Similarly, the extended daylight hours offer more enticing opportunities to explore this coastal city. Weather in April »

Weather in May

May in Den Helder introduces clear signs of the spring season transitioning into early summer. The increase in temperature is visible with the arrival of warm days, albeit intermixed with a slight increase in rainfall. May’s weather presents the longest span of daylight hours and the volume of sunshine hours swells. Weather in May »

Weather in June

Den Helder's weather in June gradually ushers in the full bloom of summer. The mercury rises further, with the daytime temperature peaking. As the city heads towards the summer solstice, the number of hours of sunlight achieves the annual maximum. Weather in June »

Weather in July

July stands as the peak summer month in Den Helder. The warmest temperatures of the year are experienced now, with high's reaching up to 17.7°C (63.9°F). However, this month is not devoid of rainfall, as moderate showers are a common feature. Weather in July »

Weather in August

August in Den Helder sustains the summer momentum initiated in July, with a minor drop in temperature. With daylight hours decreasing slightly from their peak, the weather stays warm and windy. Conversely, rainfall statistics present a different story with a climb to 44mm (1.73") - the highest of the year. Weather in August »

Weather in September

September in Den Helder marks the beginning of the inevitable transition towards autumn. Decreases in temperature, daylight hours, and sunshine hours all signal the fading summer. Amid these changes, the wind speeds increase, reaching an average speed of 24.6km/h (15.3mph). Weather in September »

Weather in October

October in Den Helder firmly establishes the onset of autumn. Temperatures continue their downward trend, with highs averaging at around 14.5°C (58.1°F). The swift winds maintain their pace, facilitating the transformation into a more familiar cold landscape. Weather in October »

Weather in November

November weather in Den Helder is typically colder, with temperatures falling notably, paving the way for winter. The diminishing daylight hours and the constant elevated wind speeds contribute to the chilly conditions. Rainfall statistics remain considerable, increasing the probability of wet days. Weather in November »

Weather in December

December in Den Helder marks the full swing of winter. The trend of falling temperatures continues, with the lows averaging at around 6.1°C (43°F). Daylight hours are at their annual lowest and the wind speed climbs up to 33.9km/h (21.1mph), adding to the wintry conditions. Weather in December »
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Frequently asked questions

How many days does it rain in Den Helder?

In Den Helder, Netherlands, during the entire year, the rain falls for 186.7 days and collects up to 391mm (15.39") of precipitation.

When does it snow in Den Helder?

January through March, November and December are months with snowfall.

When does it snow the most in Den Helder?

January is the month with the most snowfall in Den Helder, Netherlands. Snow falls for 2.5 days and accumulates 9mm (0.35") of snow.

How much does it snow in Den Helder?

In Den Helder, Netherlands, during the entire year, snow falls for 7.1 days and aggregates up to 25mm (0.98") of snow.

What are the months with the lowest UV index in Den Helder?

The months with the lowest UV index in Den Helder, Netherlands, are January, February, November and December, with an average maximum UV index of 2.

What time of the year is the coldest in Den Helder?

February, with its average high-temperature of 5.7°C (42.3°F) and an average low-temperature of 3.5°C (38.3°F), holds the record as the coldest month.

What is the driest month in Den Helder?

The month with the least rainfall in Den Helder, Netherlands, is April, when the rain falls for 10.8 days and typically collects 13mm (0.51") of precipitation.

When it does not snow in Den Helder?

April through October are months without snowfall in Den Helder, Netherlands.

What is the most humid month in Den Helder?

The most humid month in Den Helder, Netherlands, is June, with an average relative humidity of 83%.

When are the longest days in Den Helder?

With an average of 16h and 48min of daylight, June has the longest days of the year.

What month has the most sunshine in Den Helder?

The month with the most sunshine in Den Helder, Netherlands, is June, with an average of 10.1h of sunshine.

When is the highest UV index in Den Helder?

The months with the highest UV index in Den Helder are June through August, with an average maximum UV index of 5.

What part of the year is the hottest in Den Helder?

In Den Helder, August is the warmest month, with temperatures averaging a high of 18.9°C (66°F) and a low of 16.4°C (61.5°F).

What is the least humid month in Den Helder?

With an average relative humidity of 77%, September is the least humid month in Den Helder.

What is the wettest month in Den Helder?

October is the month with the most rainfall. Rain falls for 19.3 days and accumulates 49mm (1.93") of precipitation.

When is Daylight Saving Time (DST) in Den Helder?

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.

What is the month with the shortest days in Den Helder?

The month with the shortest days in Den Helder is December, with an average of 7h and 42min of daylight.

What is the month with the least sunshine in Den Helder?

December has the least sunshine of the year, with an average of 3.4h of sunshine.

Average temperature
Den Helder, Netherlands

Average temperature - Den Helder, Netherlands

The warmest month (with the highest average high temperature) is August (18.9°C).
The month with the lowest average high temperature is February (5.7°C).

The month with the highest average low temperature is August (16.4°C).
The coldest month (with the lowest average low temperature) is February (3.5°C).

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Average pressure
Den Helder, Netherlands

Average pressure - Den Helder, Netherlands

The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).

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Average wind speed
Den Helder, Netherlands

Average wind speed - Den Helder, Netherlands

The windiest month (with the highest average wind speed) is December (33.9km/h).
The calmest month (with the lowest average wind speed) is July (21.3km/h).

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Average humidity
Den Helder, Netherlands

Average humidity - Den Helder, Netherlands

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is September (77%).

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Average rainfall
Den Helder, Netherlands

Average rainfall - Den Helder, Netherlands

The wettest month (with the highest rainfall) is October (49mm).
The driest month (with the least rainfall) is April (13mm).

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Average rainfall days
Den Helder, Netherlands

Average rainfall days - Den Helder, Netherlands

The month with the highest number of rainy days is December (19.7 days).
The month with the least rainy days is April (10.8 days).

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Average snowfall
Den Helder, Netherlands

Average snowfall - Den Helder, Netherlands

The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days
Den Helder, Netherlands

Average snowfall days - Den Helder, Netherlands

The month with the highest number of snowfall days is January (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Den Helder, Netherlands

Average daylight / Average sunshine - Den Helder, Netherlands

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

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Average sunshine days
Den Helder, Netherlands

Average sunshine days - Den Helder, Netherlands

The month with the most sunshine days is May (16.6 days).
The month with the least sunshine days is November (6.5 days).

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Average UV index
Den Helder, Netherlands

Average UV index - Den Helder, Netherlands

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Den Helder, Netherlands

Average visibility - Den Helder, Netherlands

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Den Helder, Netherlands

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