Climate and monthly weather forecast
Arinsal, Andorra

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The climate of Arinsal

Located in the principality of Andorra, the village of Arinsal has a Marine West Coast climate, commonly referred to as "Cfb" according to the Köppen climate classification system. This unique weather classification signifies that Arinsal experiences mild summers and winters providing a diverse climate throughout the year.

Arinsal's climate showcases an intricate balance of temperature, rainfall, and daylight hours fluctuating over twelve months. Temperature highs steadily rise from 2.3°C (36.1°F) in January, peaking at 21.3°C (70.3°F) in August, before gradually descending to 3.9°C (39°F) by December. Although, lows follow a similar pattern, diminishing from -4.8°C (23.4°F) in January to -3.6°C (25.5°F) in December.

Rainfall in Arinsal doesn't adopt a predictable pattern with monthly averages varying between 36mm (1.42") in February and 90mm (3.54") in May. Correspondingly, days of rainfall range from approximately 3.8 days in February to nearly twice as many -- 19.8 days -- in May and June.

On the other hand, snowfall prevails from October through March with the peak in January at 501mm (19.72") but comes to a halt from June through September. While February typically sees the most snowfall days at 17.1, July virtually observes none.

UV indexes fall below three for most of the year, maintaining the lowest level of one from November through February and the highest of five between June and July.

Wind speed takes a downward curve throughout the year, starting at 9.1km/h (5.7mph) in January, declining to a minimum of 5.9km/h (3.7mph) in August, and then rising back to the 8.7km/h (5.4mph) mark by December.

The best time to visit Arinsal

While the ideal time to visit Arinsal largely depends on individual preferences, few can resist the appeal of the mild and sunlit days between June and August. During these months, the highest temperatures hover around 21°C (69.8°F) coupled with extended daylight lasting for 15.3 hours in June. Moreover, UV indexes hit their yearly peak of five and rainfall takes a back seat, paving the way for ample outdoor opportunities.

The worst time to visit Arinsal

Contrarily, February could be deemed as a less inviting time for travelers, with the coldest low temperatures bottoming at -5.8°C (21.6°F) and significant snowfall amounting to 293mm (11.54"). February also hosts fewer daylight hours - only 10.6 on average - and a measly UV index of two. Despite these conditions, cold weather and ski enthusiasts may find this period quite attractive and picturesque.

Spring weather in Arinsal

Springtime in Arinsal, lasting from March through May, greets residents and visitors with a noticeable shift in climate. Temperatures boast an upward trajectory with highs starting at 5.4°C (41.7°F) in March and culminating at 13°C (55.4°F) in May. Correspondingly, nighttime lows do not sink below 0.1°C (32.2°F). Despite the rising climate, this season witnesses the highest rainfall of the year, with 90mm (3.54") in May paired with significant snowfall in March and April.

Summer weather in Arinsal

From June to August, Arinsal enjoys a summer characterized by warmth, ample sunshine, and minimal precipitation. The mercury comfortably sits between 17.7°C (63.9°F) and 21.3°C (70.3°F) during the day and remains above 7°C (44.6°F) in the evenings. Rainfall decreases to a yearly low of 73mm (2.87") in July and snowfall essentially disappears.

Autumn weather in Arinsal

Autumn manifests a gradual decline in the otherwise pleasant summer temperatures, with highs falling from 17°C (62.6°F) in September to 6.4°C (43.5°F) in November. Lows descend in tandem, from 6.4°C (43.5°F) to -1.3°C (29.7°F). Rainfall oscillates, starting at 46mm (1.81") in September, peaking at 80mm (3.15") in October, and receding to 61mm (2.4") in November. Although snowfall makes a return in October, it primarily accumulates in November with a total of 363mm (14.29").

Winter weather in Arinsal

Winter, extending from December till February, is a season of frigid temperatures and heavy snow in Arinsal. Daytime temperatures grapple between 2.3°C (36.1°F) and 3.9°C (39°F), decreasing at night to as low as -3.6°C (25.5°F) in December. Wintertime welcomes ample snowfall with a notable 487mm (19.17") in December. Despite the harsh weather, the charming snow-covered landscape and excellent conditions for winter sports might prove irresistible to many.

Weather in January

Venturing into Arinsal, Andorra in January, one might expect a relatively cold climate coupled with snowy conditions. A marked characteristic of this month is the ample snowfall of 487mm (19.17"), providing an ideal setting for winter sports enthusiasts. Weather in January »

Weather in February

The weather in February is typical of what one would expect of winter in Arinsal, Andorra. The amount of snowfall witnessed in February is reduced compared to January, receiving 293mm (11.54") of snow. While it continues to be chilly, February teases a gradual warm-up that leads into March. Weather in February »

Weather in March

March in Arinsal, Andorra signals the onset of spring, showing slight changes in the overall weather pattern. The overall snowfall quantity in March is notably high, with a total of 501mm (19.72"), surpassing winter months like January and February. Weather in March »

Weather in April

As the snowy curtain of winter starts to lift, April ushers in milder weather conditions in Arinsal, Andorra. There is a notable decrease in snowfall this month, with a total of 356mm (14.02"), almost 150mm (5.91") less than the preceding month. Weather in April »

Weather in May

May brings a distinctive switch in climate with warmer days and a surge in rainfall as Arinsal, Andorra begins to embrace the summer season. May shows a significant plunge in snowfall, presenting as little as 189mm (7.44"), a marked decrease from previous months. Weather in May »

Weather in June

June marks the commencement of the summer season in Arinsal, Andorra, with a perceptible change in weather conditions. The town experiences a drastic reduction in snowfall, recording a minimal 26mm (1.02") in total, indicating the decline of winter. Weather in June »

Weather in July

Residents of Arinsal, Andorra, experience the height of the summer season in July with temperatures peaking during this month. Notably, July sees the amount of snowfall dropping to a negligible 0mm (0"), highlighting the break from the long, snowy winter. Weather in July »

Weather in August

The month of August continues to carry the summer heat in Arinsal, Andorra but with moderate climatic conditions. Although it continues to be warm, a 3mm (0.12") snowfall is recorded, hinting the expected transition towards the colder part of the year. Weather in August »

Weather in September

September in Arinsal, Andorra marks the onset of autumn and a reduction in summer heat. Despite being autumn, a slight increase in snowfall is observed with the readings standing at 35mm (1.38"). There is a noticeable decrease in the temperature levels compared to August, with days becoming cooler and shorter. Weather in September »

Weather in October

The subtle chill of autumn becomes more noticeable in October as Arinsal, Andorra transitions towards winter. The snowfall in October increases noticeably from the prior month, reaching a total of 265mm (10.43"). The days become noticeably shorter, and the temperature drops further, curbing outdoor activities. Weather in October »

Weather in November

November ushers in a sterner winter in Arinsal, Andorra, with snowfall and cold temperatures becoming more apparent. The amount of snowfall sees a sharp spike, reaching up to 363mm (14.29") from 265mm (10.43") in October. It’s a definitive step to the coldest season of the year and a significant shift from the mild temperatures witnessed during autumn. Weather in November »

Weather in December

Weather in December turns quite cold in Arinsal, Andorra, with amplified snowfall and decreased temperatures. A substantial amount of snow has been recorded of 305mm (12.01"), making it the second-highest snowfall month of the year after January. Weather in December »
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Frequently asked questions

What part of the year is the coldest in Arinsal?

January and February in Arinsal are characterised by lowest temperatures, with an average high of 2.3°C (36.1°F).

How many days does it rain in Arinsal?

Throughout the year, in Arinsal, there are 141 rainfall days, and 795mm (31.3") of precipitation is accumulated.

When does it snow in Arinsal?

Months with snowfall in Arinsal are January through June, August through December.

How much does it snow in Arinsal?

In Arinsal, during the entire year, snow falls for 101 days and aggregates up to 2823mm (111.14") of snow.

What is the month with the least sunshine in Arinsal?

With an average of 6.1h of sunshine, January has the least sunshine of the year.

What is the month with the lowest UV index in Arinsal?

The month with the lowest UV index in Arinsal, Andorra, is January, with an average maximum UV index of 1.

What is the most humid month in Arinsal?

February is the most humid month in Arinsal, Andorra, with an average relative humidity of 83%.

What is the driest month in Arinsal?

The month with the least rainfall is February, when the rain falls for 3.8 days and typically collects 36mm (1.42") of precipitation.

What is the snowiest month in Arinsal?

March is the month with the most snowfall in Arinsal, Andorra. Snow falls for 17.1 days and accumulates 501mm (19.72") of snow.

What is the rainiest month in Arinsal?

The month with the most rainfall in Arinsal, Andorra, is May, when the rain falls for 19.8 days and typically aggregates up to 90mm (3.54") of precipitation.

When are the longest days in Arinsal?

June has the longest days of the year, with an average of 15h and 18min of daylight.

What is the month with the highest UV index in Arinsal?

The months with the highest UV index in Arinsal, Andorra, are June and July, with an average maximum UV index of 5.

What is the least humid month in Arinsal?

The months with the lowest humidity are July and August, with an average relative humidity of 70%.

When it does not snow in Arinsal?

July is the only month when snow does not fall in Arinsal.

What month has the most sunshine in Arinsal?

July has the most sunshine of the year in Arinsal, Andorra, with an average of 11.3h of sunshine.

What part of the year is the hottest in Arinsal?

The warmest period tends to be August, when average temperatures fluctuate between a high of 21.3°C (70.3°F) and a low of 9.7°C (49.5°F).

When is Daylight Saving Time (DST) in Arinsal?

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Arinsal, 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 Arinsal?

December has the shortest days of the year in Arinsal, Andorra, with an average of 9h and 6min of daylight.

Average temperature
Arinsal, Andorra

Average temperature - Arinsal, Andorra

The warmest month (with the highest average high temperature) is August (21.3°C).
The months with the lowest average high temperature are January and February (2.3°C).

The month with the highest average low temperature is August (9.7°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).

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Average pressure
Arinsal, Andorra

Average pressure - Arinsal, Andorra

The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).

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Average wind speed
Arinsal, Andorra

Average wind speed - Arinsal, Andorra

The windiest month (with the highest average wind speed) is February (9.7km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).

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Average humidity
Arinsal, Andorra

Average humidity - Arinsal, Andorra

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are July and August (70%).

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Average rainfall
Arinsal, Andorra

Average rainfall - Arinsal, Andorra

The wettest month (with the highest rainfall) is May (90mm).
The driest month (with the least rainfall) is February (36mm).

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Average rainfall days
Arinsal, Andorra

Average rainfall days - Arinsal, Andorra

The months with the highest number of rainy days are May and June (19.8 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall days
Arinsal, Andorra

Average snowfall days - Arinsal, Andorra

The month with the highest number of snowfall days is March (17.1 days).
The month with the least snowfall days is July (0.1 days).

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Average daylight / Average sunshine
Arinsal, Andorra

Average daylight / Average sunshine - Arinsal, Andorra

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

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Average sunshine days
Arinsal, Andorra

Average sunshine days - Arinsal, Andorra

The month with the most sunshine days is October (18 days).
The month with the least sunshine days is May (6.6 days).

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Average visibility
Arinsal, Andorra

Average visibility - Arinsal, Andorra

The months with the highest visibility are May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January, February, March, April and November (8km).

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Arinsal, Andorra

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