Climate and monthly weather forecast
Dietikon, Switzerland

Climate and monthly weather forecast

The climate of Dietikon

Dietikon falls under the Köppen climate classification of Cfb indicating a marine west coast climate characterized by a warm summer. Nestled in the beautiful country of Switzerland, the city experiences an array of climatic swings and patterns throughout the year.

Dietikon undergoes considerable fluctuations in temperature, with average high temperatures ranging from 3.3°C (37.9°F) to 24.4°C (75.9°F) and average lows oscillating between -3.1°C (26.4°F) and 12.3°C (54.1°F). The warmer months are usually from May to September when the temperatures climb above the 15°C (59°F) mark. From November to March, Dietikon witnesses lower temperatures, often below 5°C (41°F). Significant variations can be noticed in humidity as well, which spans from 76 to 88%. Correspondingly, the city encounters a varied amount rainfall, ranging from 38mm (1.5") in April to 82mm (3.23") in August.

Snowfall, a typical Swiss characteristic, is also part of Dietikon's weather with measurements stretching from 232mm (9.13") in December to minimal or no snowfall from May to September. More peculiar to Dietikon is its varying daylight hours from an average of 15.9 hours in June to as little as 8.6 hours in December. Paired with Sunshine hours, the city gets the highest exposure, up to 10.3 hours, during the summer months of June and August.

The best time to visit Dietikon

Taking into account the climate, the best time to visit Dietikon would be between May and September. During these months, the temperature is considerably warmer with highs above 15°C (59°F) and lows not dropping below 6.3°C (43.3°F). Of these months, June stands out for its longest daylight hours, lasting up to 15.9 hours, and a splendid 9.8 hours of Sunshine. This makes it ideal for outdoor activities and excursions.

The worst time to visit Dietikon

Conversely, the months from November to March may be less appealing for visitors due to the colder temperatures often dropping below 5°C (41°F). Snowfall is also frequent during these months, with December reporting the heaviest, upto 232mm (9.13"), restricting outdoor activities. The daylight hours are relatively shorter with the shortest daylight in December with an average of 8.6 hours.

Spring weather in Dietikon

Spring in Dietikon is characterized by a gradual increase in temperature from March till May, with highs reaching from 9.6°C (49.3°F) to 18.4°C (65.1°F) and lows changing from 0.3°C (32.5°F) to 6.3°C (43.3°F). The period also witnesses moderate levels of rainfall and humidity, around 71mm (2.8") and 79% respectively in May. The days become longer with daylight hours of 15.1 hours in May and sunshine hours also increasing, peaking at 9 hours.

Summer weather in Dietikon

The summer months in Dietikon from June to August, see a delightful warming trend with the highest temperatures often climbing to 24.4°C (75.9°F) in July and August. The lowest temperatures even in night time remain comfortable at 12.1°C (53.8°F) in July to 12.3°C (54.1°F) in August. These months carry the benefit of extended daylight, with June recording the longest day of 15.9 hours. Moreover, they bask in abundant sunshine, with August boasting up to 10.3 hours.

Autumn weather in Dietikon

Autumn, spanning from September to November, witnesses a progressive drop in temperatures with November reporting a low of 1.3°C (34.3°F) accompanied by a high of 8.5°C (47.3°F). The rainfall also shows an escalation ending with 53mm (2.09") in November. Shorter daylight hours creeping into the weather, end with an average of 9.4 hours in November.

Winter weather in Dietikon

The winter months December to February in Dietikon bring in cold temperatures with December and January observing the lowest average highs of 3.3°C (37.9°F) and 4.4°C (39.9°F) respectively. The lowest temperatures go below freezing point with -3.1°C (26.4°F) in January. Among these months, December spots the most snowfall, up to 232mm (9.13"). Paired with shorter daylight hours, roughly 9 hours, and decreased sunshine, the winter gives Dietikon a quiet, slow-paced charm.

Weather in January

January in Dietikon, Switzerland tends to bring with it a frosty air and a covering of snow. With average low temperatures dipping to -3.1°C (26.4°F), it is essential to bundle up against the cold, especially when heading out in the morning or late at night. Weather in January »

Weather in February

As the city transitions from January to February, there is a slight alleviation in the winter severity. February remains considerably cold, but a small increase in temperature is experienced, with high temperatures averaging 4.4°C (39.9°F). Weather in February »

Weather in March

March signifies a shift towards milder weather conditions as temperatures continue to rise. Witnessing high temperatures average around 9.6°C (49.3°F), March is the welcome precursor to the warmer spring months. The amount of snowfall drastically drops to 118mm (4.65") setting the stage for the blooming springtime. Weather in March »

Weather in April

April in Dietikon is marked by an appreciable rise in temperatures, leading to the complete disappearance of snow, with snowfall plummeting to 48mm (1.89"). Precipitation unfolds mainly as rain, enhancing the lushness of springtime in Dietikon. Weather in April »

Weather in May

May stands as an announcement of warmer weather on the horizon, bringing more sunshine and less rainfall. With high temperatures hovering near 18.4°C (65.1°F), Dietikon starts to embrace the comforting warmth of upcoming summer. The weather undergoes a significant transformation, trading snow for sun-drenched days. Weather in May »

Weather in June

June in Dietikon truly embodies the summer spirit. Taking a leap from May’s 18.4°C (65.1°F), the high average temperature in June escalates to 22.7°C (72.9°F), indicating a distinct rise in mercury levels. The city witnesses substantial sunshine, contributing to overall warmer and drier conditions. Weather in June »

Weather in July

July marks the zenith of summer, characterized by persistent sunshine and warmth. Standing out with high temperature peaking at an annual high of 24.4°C (75.9°F), it is the hottest month in Dietikon. An increase in humidity accompanies the summer heat, affecting the overall feel of the weather. Weather in July »

Weather in August

August in Dietikon maintains the continuity of the sunny sequence, mirroring July's high temperature of 24.4°C (75.9°F). Although the humidity levels may make the weather feel slightly oppressive, extra hours of sunshine compensate by creating ideal moments for sunbathing. Weather in August »

Weather in September

September leads the transition from sun-drenched summer to cooler autumn in Dietikon. The high temperature eases off to 19.9°C (67.8°F), a noticeable drop from the torrid summer months. As the days shorten, they pave the way for brisk and cool autumn weather. Weather in September »

Weather in October

October in Dietikon establishes autumn in full force, with temperatures continuing to decline. The high temperature makes a significant drop to 14.6°C (58.3°F), bringing about a tangible chill in the air compared to September. Weather in October »

Weather in November

November in Dietikon serves as a prelude to the cold winter months ahead. The high temperature plunges further down to 8.5°C (47.3°F), making clear the transition towards frigid winter. The first snowflakes start to make their appearance, with snowfall beginning to rise to 113mm (4.45"). Weather in November »

Weather in December

December in Dietikon marks the arrival of full-fledged winter. The high temperature dips even further to 4.2°C (39.6°F), and the snowfall reaches a peak of 232mm (9.13"), akin to January's weather pattern. This amalgamation of falling temperatures and increasing snowfall solidifies the presence of winter. Weather in December »

Frequently asked questions

What time of the year is the coldest in Dietikon?
The coldest temperatures occur during January, when averages reach a peak of 3.3°C (37.9°F) and a low of -3.1°C (26.4°F).
What is the most humid month in Dietikon?
With an average relative humidity of 88%, January is the most humid month.
How many days does it rain in Dietikon?
Throughout the year, in Dietikon, there are 157.5 rainfall days, and 712mm (28.03") of precipitation is accumulated.
When does it snow in Dietikon?
Months with snowfall in Dietikon are January through May, October through December.
How many days does it snow in Dietikon?
Throughout the year, in Dietikon, there are 52.6 snowfall days, and 964mm (37.95") of snow is accumulated.
What is the month with the least sunshine in Dietikon?
The month with the least sunshine is January, with an average of 4.7h of sunshine.
What are the months with the lowest UV index in Dietikon?
The months with the lowest UV index in Dietikon are January, February, November and December, with an average maximum UV index of 2.
What are the least humid months in Dietikon?
The months with the lowest humidity in Dietikon are April and July, with an average relative humidity of 76%.
What is the driest month in Dietikon?
April and September are months with the least rain in Dietikon when the rain falls for 13.4 days and typically aggregates up to 38mm (1.5") of rain.
When it does not snow in Dietikon?
June through September are months without snowfall.
When are the longest days in Dietikon?
With an average of 15h and 54min of daylight, June has the longest days of the year.
What is the month with the highest UV index in Dietikon?
June and July, with an average maximum UV index of 5, are months with the highest UV index in Dietikon.
What time of the year is the hottest in Dietikon?
The highest point of temperatures in Dietikon, Switzerland, falls in July and August, when the average high-temperature ascends to 24.4°C (75.9°F).
What is the wettest month in Dietikon?
The month with the most rainfall in Dietikon, Switzerland, is August, when the rain falls for 15.6 days and typically aggregates up to 82mm (3.23") of precipitation.
What month has the most sunshine in Dietikon?
The month with the most sunshine is August, with an average of 10.3h of sunshine.
When is Daylight Saving Time (DST) in Dietikon?
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.
When does it snow the most in Dietikon?
The month with the most snowfall is December, when snow falls for 11.5 days and typically aggregates up to 232mm (9.13") of snow.
What is the month with the shortest days in Dietikon?
The month with the shortest days in Dietikon, Switzerland, is December, with an average of 8h and 30min of daylight.
Average temperature - Dietikon, Switzerland
Average temperature
Dietikon, Switzerland

The warmest months (with the highest average high temperature) are July and August (24.4°C).
The month with the lowest average high temperature is January (3.3°C).

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

Average pressure - Dietikon, Switzerland
Average pressure
Dietikon, Switzerland

The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed - Dietikon, Switzerland
Average wind speed
Dietikon, Switzerland

The windiest month (with the highest average wind speed) is March (8.7km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).

Average humidity - Dietikon, Switzerland
Average humidity
Dietikon, Switzerland

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall - Dietikon, Switzerland
Average rainfall
Dietikon, Switzerland

The wettest month (with the highest rainfall) is August (82mm).
The driest months (with the least rainfall) are April and September (38mm).

Average rainfall days - Dietikon, Switzerland
Average rainfall days
Dietikon, Switzerland

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.8 days).

Average snowfall - Dietikon, Switzerland
Average snowfall
Dietikon, Switzerland

The month with the highest snowfall is December (232mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days - Dietikon, Switzerland
Average snowfall days
Dietikon, Switzerland

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Dietikon, Switzerland
Average daylight / Average sunshine
Dietikon, Switzerland

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days - Dietikon, Switzerland
Average sunshine days
Dietikon, Switzerland

The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (11 days).

Average UV index - Dietikon, Switzerland
Average UV index
Dietikon, Switzerland

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

Average cloud cover - Dietikon, Switzerland
Average cloud cover
Dietikon, Switzerland

The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility - Dietikon, Switzerland
Average visibility
Dietikon, Switzerland

The months with the highest visibility are April, July and August (9km).
The months with the lowest visibility are January and February (7km).

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