April weather forecast
Chamonix, France

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Weather in April

By April, Chamonix transitions into the full bloom of spring. The weather becomes milder yet remains unpredictable with occasional rain showers and fluctuating temperatures. Amidst the blossoming flowers, temperatures range from 5.3°C (41.5°F) during the day to -2.8°C (27°F) at night. Enthusiasts can profit from the varied weather, engaging in a blend of winter and spring activities, both of which Chamonix caters to in this month.

Temperature

April brings a slight rise in Chamonix's average high-temperature, moving from an icy 0.8°C (33.4°F) in March to a still wintry 5.3°C (41.5°F). Throughout the nights in April, an average low-temperature of -2.8°C (27°F) is noted.

Humidity

In Chamonix, the average relative humidity in April is 87%.

Rainfall

In Chamonix, in April, it is raining for 14.6 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, in Chamonix, there are 132.8 rainfall days, and 461mm (18.15") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In April, in Chamonix, it is snowing for 4 days. Throughout April, 63mm (2.48") of snow is accumulated. In Chamonix, during the entire year, snow falls for 56.7 days and aggregates up to 924mm (36.38") of snow.

Daylight

In Chamonix, France, the average length of the day in April is 13h and 34min.
On the first day of April in Chamonix, sunrise is at 07:11 and sunset at 20:01. On the last day of the month, sunrise is at 06:20 and sunset at 20:39 CEST.

Sunshine

In April, the average sunshine in Chamonix is 8.1h.

UV index

In April, the average daily maximum UV index in Chamonix is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 2 in April transforms into the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

How cold is it in Chamonix in April?

In April, the average high-temperature and low-temperature in Chamonix are 5.3°C (41.5°F) and -2.8°C (27°F) respectively.

What is the average humidity in April in Chamonix?

In Chamonix, France, the average relative humidity in April is 87%.

How many days does it rain in April in Chamonix?

In April, in Chamonix, France, the rain falls for 14.6 days. Throughout April, 29mm (1.14") of precipitation is accumulated.

How many days does it snow in April in Chamonix?

In April, in Chamonix, it is snowing for 4 days. Throughout April, 63mm (2.48") of snow is accumulated.

What is the average length of the day in April in Chamonix?

The average day length in April in Chamonix is 13h and 34min.

When is the sunrise / sunset in April in Chamonix?

In April, on the first day of the month, sunrise is at 07:11 and sunset at 20:01. On the last day of the month, in Chamonix, France, sunrise is at 06:20 and sunset at 20:39 CEST.

How many hours of sunshine does Chamonix have in April?

In April, the average sunshine duration is 8.1h.

What is the UV index reading in April in Chamonix?

The average daily maximum UV index in April in Chamonix is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Chamonix, France

Average temperature in April - Chamonix, France
  • Average high temperature in April: 5.3°C

The warmest months (with the highest average high temperature) are July and August (16.8°C).
The month with the lowest average high temperature is January (-2.3°C).

  • Average low temperature in April: -2.8°C

The month with the highest average low temperature is July (6.7°C).
The coldest month (with the lowest average low temperature) is January (-11.4°C).

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Average pressure in April
Chamonix, France

Average pressure in April - Chamonix, France
  • Average pressure in April: 1015.1mbar

The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).

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Average wind speed in April
Chamonix, France

Average wind speed in April - Chamonix, France
  • Average wind speed in April: 7.4km/h

The windiest month (with the highest average wind speed) is December (8.4km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).

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Average humidity in April
Chamonix, France

Average humidity in April - Chamonix, France
  • Average humidity in April: 87%

The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is August (77%).

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Average rainfall in April
Chamonix, France

Average rainfall in April - Chamonix, France
  • Average rainfall in April: 29mm

The wettest month (with the highest rainfall) is December (72mm).
The driest month (with the least rainfall) is September (15mm).

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Average rainfall days in April
Chamonix, France

Average rainfall days in April - Chamonix, France
  • Average rainfall days in April: 14.6 days

The month with the highest number of rainy days is June (16.2 days).
The month with the least rainy days is February (5.9 days).

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Average snowfall in April
Chamonix, France

Average snowfall in April - Chamonix, France
  • Average snowfall in April: 63mm

The month with the highest snowfall is December (245mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in April
Chamonix, France

Average snowfall days in April - Chamonix, France
  • Average snowfall days in April: 4 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in April /
Average sunshine in April
Chamonix, France

Average daylight in April / Average sunshine in April - Chamonix, France
  • Average daylight in April: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in April: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in April
Chamonix, France

Average sunshine days in April - Chamonix, France
  • Average sunshine days in April: 11.7 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in April
Chamonix, France

Average UV index in April - Chamonix, France
  • Average UV index in April: 2

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March and November (UV index 1).

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Average cloud cover in April
Chamonix, France

Average cloud cover in April - Chamonix, France
  • Average cloud cover in April: 48

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in April
Chamonix, France

Average visibility in April - Chamonix, France
  • Average visibility in April: 7km

The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).

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Chamonix, France

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