The best times to visit Arosa for ideal weather are

June 25th to August 19th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Arosa Travel Info

Weather in Arosa

Temperature

Average temperatures in Arosa vary drastically. Considering humidity, temperatures feel cold for most of the year with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 21st percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Arosa, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early July where highs are regularly around 67.1°F (19.5°C) with temperatures rarely dropping below 50.9°F (10.5°C) at night.

Arosa Temperatures (Fahrenheit)

Key
High
Average
Low

Arosa Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Arosa Perceived Temperature (F)

Key
High
Average
Low

Arosa Perceived Temperature (C)

Key
High
Average
Low

 

Average Arosa Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 32.1 26.4 20.8
Feb 28.1 22 15.9
Mar 39.6 32.7 26
Apr 45.3 37.9 30.7
May 51.4 43.7 36.8
Jun 60.4 52.4 44.4
Jul 64.8 56.5 48.7
Aug 64.3 56.2 48.3
Sep 55.1 47.6 41
Oct 49.9 42.6 36.3
Nov 43.6 36.7 30.8
Dec 36 29.9 24.1

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 0.1 -3.1 -6.2
Feb -2.2 -5.6 -8.9
Mar 4.2 0.4 -3.3
Apr 7.4 3.3 -0.7
May 10.8 6.5 2.7
Jun 15.8 11.3 6.9
Jul 18.2 13.6 9.3
Aug 17.9 13.4 9.1
Sep 12.8 8.7 5
Oct 9.9 5.9 2.4
Nov 6.4 2.6 -0.7
Dec 2.2 -1.2 -4.4

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Arosa are February, November, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid March. For example, on the week of March 12th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early May with an average of 4 days of significant precipitation the week of April 30th.

When can you find snow in Arosa? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Arosa.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Arosa (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 16% 0 1.5
Feb 6% 0 0.4
Mar 9% 0 0.7
Apr 17% 0 1.4
May 30% 0 2.9
Jun 28% 0 4.3
Jul 31% 0 4.1
Aug 26% 0 4.5
Sep 28% 0 3.4
Oct 19% 0 2.6
Nov 8% 0 1.7
Dec 12% 0 1.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 16 0 3.8
Feb 6 0 1
Mar 9 0 1.8
Apr 17 0 3.6
May 30 0 7.4
Jun 28 0 10.9
Jul 31 0 10.4
Aug 26 0 11.4
Sep 28 0 8.6
Oct 19 0 6.6
Nov 8 0 4.3
Dec 12 0 3

 

Humidity and Wind

Arosa has some very humid months, and above average humidity throughout the year. The least humid month is March (62.7% relative humidity), and the most humid month is September (79.8%).

Wind in Arosa is usually calm. The windiest month is May, followed by April and July. May’s average wind speed of around 7.5 knots (8.6 MPH or 13.8 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late May where average top sustained speeds reach 15 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Arosa.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 6.9 Light breeze 11.8 Significant breeze
Feb 6.6 Light breeze 11.7 Significant breeze
Mar 6.9 Light breeze 11.8 Significant breeze
Apr 7.1 Gentle breeze 12.9 Significant breeze
May 7.5 Gentle breeze 13.3 Significant breeze
Jun 6.5 Light breeze 12.6 Significant breeze
Jul 7 Gentle breeze 13.2 Significant breeze
Aug 6.6 Light breeze 12.5 Significant breeze
Sep 6.6 Light breeze 12.4 Significant breeze
Oct 6.1 Light breeze 10.7 Gentle breeze
Nov 6.1 Light breeze 10.3 Significant breeze
Dec 6.4 Light breeze 10.7 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 77.9%
Feb 72.7%
Mar 62.7%
Apr 67.3%
May 74.7%
Jun 72.6%
Jul 72.7%
Aug 73.6%
Sep 79.8%
Oct 75.4%
Nov 65.2%
Dec 68.2%

 

Is it Safe to Travel to Arosa?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for Switzerland; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 14, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Arosa, Switzerland is May, followed by January and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Arosa in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 60.3 in November means 60.3% of the tourists vs. May.

 

 

Overall Arosa Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 54.2°F (12.3°C) and 36.5°F (2.5°C) with warmer temperatures in the later months. Rain is somewhat common with 3 to 9 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have cold weather with high temperatures that are brisk. These months see the most precipitation with 8 to 10 days of precipitation per month. June – August is the second busiest season for tourism in Arosa, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 58.7°F (14.8°C) and 36.8°F (2.7°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 2 to 8 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in Arosa to be enjoyable for warm weather travelers. The average high during this season is between 37.2°F (2.9°C) and 23°F (-5°C). On average, it rains or snows a smalll amount: 2 to 5 times per month. These times of year are fairly slow with tourists.

 

Best Times to Travel› Switzerland › Arosa, Switzerland