Average Weather in Castro Italy
In Castro, the summers are warm, the winters are very cold, and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 30°F to 81°F and is rarely below 22°F or above 87°F.
Based on the tourism score, the best time of year to visit Castro for warm-weather activities is from mid June to late September.
The warm season lasts for 3.3 months, from June 3 to September 12, with an average daily high temperature above 73°F. The hottest day of the year is July 26, with an average high of 81°F and low of 65°F.
The cold season lasts for 3.5 months, from November 18 to March 4, with an average daily high temperature below 50°F. The coldest day of the year is January 12, with an average low of 30°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 Castro, 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 Castro begins around June 19 and lasts for 3.0 months, ending around September 19. On July 21, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 71% of the time, and overcast or mostly cloudy 29% of the time.
The cloudier part of the year begins around September 19 and lasts for 9.0 months, ending around June 19. On May 8, the cloudiest day of the year, the sky is overcast or mostly cloudy 56% of the time, and clear, mostly clear, or partly cloudy 44% 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 Castro varies throughout the year.
The wetter season lasts 6.5 months, from April 3 to October 18, with a greater than 28% chance of a given day being a wet day. The chance of a wet day peaks at 41% on June 2.
The drier season lasts 5.5 months, from October 18 to April 3. The smallest chance of a wet day is 16% on February 1.
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 June 2.
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. Castro experiences significant seasonal variation in monthly rainfall.
Rain falls throughout the year in Castro. The most rain falls during the 31 days centered around October 20, with an average total accumulation of 4.0 inches.
The least rain falls around January 26, with an average total accumulation of 1.6 inches.
Average Monthly Rainfall
The sliding 31-day liquid-equivalent quantity of snowfall in Castro does not vary significantly over the course of the year, staying within 0.1 inches of 0.1 inches throughout.
Average Liquid-Equivalent Monthly Snowfall
The length of the day in Castro varies significantly over the course of the year. In 2018, the shortest day is December 21, with 8 hours, 40 minutes of daylight; the longest day is June 21, with 15 hours, 44 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 5:29 AM on June 16, and the latest sunrise is 2 hours, 32 minutes later at 8:00 AM on January 2. The earliest sunset is at 4:35 PM on December 10, and the latest sunset is 4 hours, 39 minutes later at 9:13 PM on June 26.
Daylight saving time (DST) is observed in Castro during 2018, starting in the spring on March 25, lasting 7.1 months, and ending in the fall on October 28.
Sunrise & Sunset with Twilight and Daylight Saving Time
Castro experiences some seasonal variation in the perceived humidity.
The muggier period of the year lasts for 2.5 months, from June 19 to September 4, during which time the comfort level is muggy, oppressive, or miserable at least 4% of the time. The muggiest day of the year is July 27, with muggy conditions 15% of the time.
The least muggy day of the year is March 6, when muggy conditions are essentially unheard of.
Humidity Comfort Levels
Average Wind Speed
The predominant average hourly wind direction in Castro varies throughout the year.
The wind is most often from the east for 3.6 weeks, from April 1 to April 26 and for 1.1 months, from September 25 to October 28, with a peak percentage of 35% on October 27. The wind is most often from the south for 5.0 months, from April 26 to September 25, with a peak percentage of 37% on May 29. The wind is most often from the north for 5.1 months, from October 28 to April 1, with a peak percentage of 60% on January 1.
Best Time of Year to Visit
To characterize how pleasant the weather is in Castro 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 Castro for general outdoor tourist activities is from mid June to late September, with a peak score in the last week of August.
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 Castro for hot-weather activities is from early July to mid August, with a peak score in the third 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 Castro typically lasts for 8.3 months (253 days), from around March 16 to around November 24, rarely starting before February 19 or after April 11, and rarely ending before November 4 or after December 17.
Time Spent in Various Temperature Bands and the Growing Season
Based on growing degree days alone, the first spring blooms in Castro should appear around April 10, only rarely appearing before March 25 or after April 26.
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 3.3 months, from May 10 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 6, with an average of 6.9 kWh.
The darker period of the year lasts for 3.4 months, from October 27 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 Castro are 45.804 deg latitude, 10.066 deg longitude, and 1,247 ft elevation.
The topography within 2 miles of Castro contains large variations in elevation, with a maximum elevation change of 2,618 feet and an average elevation above sea level of 1,074 feet. Within 10 miles contains large variations in elevation (6,476 feet). Within 50 miles also contains extreme variations in elevation (13,219 feet).
The area within 2 miles of Castro is covered by water (35%), trees (33%), and cropland (18%), within 10 miles by trees (64%) and grassland (12%), and within 50 miles by trees (36%) and cropland (31%).
This report illustrates the typical weather in Castro, 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 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Castro.
For each station, the records are corrected for the elevation difference between that station and Castro 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 Castro is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Castro and a given station.
The stations contributing to this reconstruction are: Il Caravaggio International Airport (59%, 32 kilometers, southwest); Brescia / Ghedi (32%, 44 kilometers, south); Paganella (meteorological station) (4.5%, 84 kilometers, northeast); and Resia Pass (4.8%, 119 kilometers, north).
Time zones for aiports and weather stations are provided by AskGeo.com .