Average Weather in Viganello Switzerland
In Viganello, the summers are warm and wet, the winters are very cold, and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 29°F to 80°F and is rarely below 22°F or above 87°F.
Based on the tourism score, the best time of year to visit Viganello for warm-weather activities is from mid June to mid September.
The warm season lasts for 3.1 months, from June 5 to September 9, with an average daily high temperature above 72°F. The hottest day of the year is July 26, with an average high of 80°F and low of 62°F.
The cold season lasts for 3.3 months, from November 20 to February 28, with an average daily high temperature below 49°F. The coldest day of the year is January 12, with an average low of 29°F and high of 42°F.
Average High and Low Temperature
The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature
In Viganello, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.
The clearer part of the year in Viganello begins around June 18 and lasts for 3.0 months, ending around September 18. On July 21, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 70% of the time, and overcast or mostly cloudy 30% of the time.
The cloudier part of the year begins around September 18 and lasts for 9.0 months, ending around June 18. On May 8, the cloudiest day of the year, the sky is overcast or mostly cloudy 57% of the time, and clear, mostly clear, or partly cloudy 43% of the time.
Cloud Cover Categories
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Viganello varies throughout the year.
The wetter season lasts 6.5 months, from April 4 to October 19, with a greater than 28% chance of a given day being a wet day. The chance of a wet day peaks at 41% on May 26.
The drier season lasts 5.5 months, from October 19 to April 4. The smallest chance of a wet day is 16% on February 9.
Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 41% on May 26.
Daily Chance of Precipitation
To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Viganello experiences significant seasonal variation in monthly rainfall.
Rain falls throughout the year in Viganello. The most rain falls during the 31 days centered around May 19, with an average total accumulation of 4.6 inches.
The least rain falls around January 26, with an average total accumulation of 1.3 inches.
Average Monthly Rainfall
We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. Colder, drier snow tends to be on the higher end of that range and warmer, wetter snow on the lower end.
As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Viganello experiences some seasonal variation in monthly liquid-equivalent snowfall.
The snowy period of the year lasts for 3.5 months, from November 24 to March 9, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The most snow falls during the 31 days centered around January 14, with an average total liquid-equivalent accumulation of 0.3 inches.
The snowless period of the year lasts for 8.5 months, from March 9 to November 24. The least snow falls around July 28, with an average total liquid-equivalent accumulation of 0.0 inches.
Average Liquid-Equivalent Monthly Snowfall
The length of the day in Viganello varies significantly over the course of the year. In 2017, the shortest day is December 21, with 8 hours, 38 minutes of daylight; the longest day is June 21, with 15 hours, 45 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 5:32 AM on June 15, and the latest sunrise is 2 hours, 33 minutes later at 8:06 AM on January 1. The earliest sunset is at 4:38 PM on December 10, and the latest sunset is 4 hours, 40 minutes later at 9:19 PM on June 26.
Daylight saving time (DST) is observed in Viganello during 2017, starting in the spring on March 26, lasting 7.1 months, and ending in the fall on October 29.
Sunrise & Sunset with Twilight and Daylight Saving Time
Viganello experiences some seasonal variation in the perceived humidity.
The muggier period of the year lasts for 2.7 months, from June 15 to September 6, during which time the comfort level is muggy, oppressive, or miserable at least 5% of the time. The muggiest day of the year is July 27, with muggy conditions 19% of the time.
The least muggy day of the year is November 19, when muggy conditions are essentially unheard of.
Humidity Comfort Levels
Average Wind Speed
The predominant average hourly wind direction in Viganello varies throughout the year.
The wind is most often from the south for 4.0 months, from April 28 to August 29, with a peak percentage of 45% on May 25. The wind is most often from the north for 8.0 months, from August 29 to April 28, with a peak percentage of 80% on January 1.
Best Time of Year to Visit
To characterize how pleasant the weather is in Viganello throughout the year, we compute two travel scores.
The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Viganello for general outdoor tourist activities is from mid June to mid September, with a peak score in the third week of July.
The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Viganello for hot-weather activities is from early July to mid August, with a peak score in the last week of July.
For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.
Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.
Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.
Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.
Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.
The growing season in Viganello typically lasts for 7.8 months (237 days), from around March 21 to around November 14, rarely starting before February 28 or after April 17, and rarely ending before October 23 or after December 6.
Time Spent in Various Temperature Bands and the Growing Season
Based on growing degree days alone, the first spring blooms in Viganello should appear around April 10, only rarely appearing before March 25 or after April 27.
Growing Degree Days
The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year.
The brighter period of the year lasts for 3.1 months, from May 15 to August 19, with an average daily incident shortwave energy per square meter above 5.8 kWh. The brightest day of the year is July 5, with an average of 6.9 kWh.
The darker period of the year lasts for 3.5 months, from October 24 to February 9, with an average daily incident shortwave energy per square meter below 2.6 kWh. The darkest day of the year is December 16, with an average of 1.5 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of Viganello are 46.013 deg latitude, 8.969 deg longitude, and 1,283 ft elevation.
The topography within 2 miles of Viganello contains extreme variations in elevation, with a maximum elevation change of 3,704 feet and an average elevation above sea level of 1,441 feet. Within 10 miles also contains extreme variations in elevation (6,581 feet). Within 50 miles also contains extreme variations in elevation (12,894 feet).
The area within 2 miles of Viganello is covered by artificial surfaces (53%), trees (29%), and water (18%), within 10 miles by trees (68%) and artificial surfaces (12%), and within 50 miles by trees (40%) and cropland (17%).
This report illustrates the typical weather in Viganello, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Viganello.
For each station, the records are corrected for the elevation difference between that station and Viganello according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Viganello is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Viganello and a given station.
Time zones for aiports and weather stations are provided by AskGeo.com .