Average Weather in São Mamede de Infesta Portugal
In São Mamede de Infesta, the summers are warm, dry, and mostly clear and the winters are cold, wet, and partly cloudy. Over the course of the year, the temperature typically varies from 43°F to 77°F and is rarely below 34°F or above 88°F.
Based on the tourism score, the best time of year to visit São Mamede de Infesta for warm-weather activities is from mid June to early September.
The warm season lasts for 3.1 months, from June 20 to September 24, with an average daily high temperature above 73°F. The hottest day of the year is July 29, with an average high of 77°F and low of 59°F.
The cool season lasts for 3.5 months, from November 22 to March 6, with an average daily high temperature below 60°F. The coldest day of the year is January 24, with an average low of 43°F and high of 57°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 São Mamede de Infesta, 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 São Mamede de Infesta begins around June 8 and lasts for 3.2 months, ending around September 14. On July 21, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 85% of the time, and overcast or mostly cloudy 15% of the time.
The cloudier part of the year begins around September 14 and lasts for 8.8 months, ending around June 8. On December 16, 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 São Mamede de Infesta varies significantly throughout the year.
The wetter season lasts 8.1 months, from September 25 to May 29, with a greater than 22% chance of a given day being a wet day. The chance of a wet day peaks at 38% on October 29.
The drier season lasts 3.9 months, from May 29 to September 25. The smallest chance of a wet day is 5% on July 22.
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 38% on October 29.
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. São Mamede de Infesta experiences extreme seasonal variation in monthly rainfall.
The rainy period of the year lasts for 11 months, from August 4 to July 7, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around December 28, with an average total accumulation of 5.2 inches.
The rainless period of the year lasts for 4.0 weeks, from July 7 to August 4. The least rain falls around July 20, with an average total accumulation of 0.4 inches.
Average Monthly Rainfall
The length of the day in São Mamede de Infesta varies significantly over the course of the year. In 2018, the shortest day is December 21, with 9 hours, 12 minutes of daylight; the longest day is June 21, with 15 hours, 9 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 6:00 AM on June 14, and the latest sunrise is 1 hour, 59 minutes later at 8:00 AM on January 4. The earliest sunset is at 5:05 PM on December 8, and the latest sunset is 4 hours, 6 minutes later at 9:11 PM on June 27.
Daylight saving time (DST) is observed in São Mamede de Infesta 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
The perceived humidity level in São Mamede de Infesta, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, staying within 4% of 4% throughout.
Humidity Comfort Levels
The average hourly wind speed in São Mamede de Infesta experiences mild seasonal variation over the course of the year.
The windier part of the year lasts for 6.4 months, from October 22 to May 2, with average wind speeds of more than 6.8 miles per hour. The windiest day of the year is December 27, with an average hourly wind speed of 7.8 miles per hour.
The calmer time of year lasts for 5.6 months, from May 2 to October 22. The calmest day of the year is September 13, with an average hourly wind speed of 5.7 miles per hour.
Average Wind Speed
The predominant average hourly wind direction in São Mamede de Infesta varies throughout the year.
The wind is most often from the south for 3.0 days, from January 1 to January 4 and for 3.3 weeks, from October 13 to November 5, with a peak percentage of 31% on January 3. The wind is most often from the east for 2.0 months, from January 4 to March 3 and for 1.9 months, from November 5 to January 1, with a peak percentage of 36% on December 17. The wind is most often from the north for 7.3 months, from March 3 to October 13, with a peak percentage of 53% on July 24.
São Mamede de Infesta is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average water temperature experiences some seasonal variation over the course of the year.
The time of year with warmer water lasts for 4.2 months, from June 16 to October 24, with an average temperature above 62°F. The day of the year with the warmest water is August 30, with an average temperature of 64°F.
The time of year with cooler water lasts for 3.5 months, from December 31 to April 14, with an average temperature below 58°F. The day of the year with the coolest water is February 19, with an average temperature of 56°F.
Average Water Temperature
Best Time of Year to Visit
To characterize how pleasant the weather is in São Mamede de Infesta 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 São Mamede de Infesta for general outdoor tourist activities is from mid June to early 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 São Mamede de Infesta for hot-weather activities is from mid July to late 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 São Mamede de Infesta typically lasts for 11 months (334 days), from around February 1 to around January 1, rarely starting after March 4, or ending before December 5.
Time Spent in Various Temperature Bands and the Growing Season
Based on growing degree days alone, the first spring blooms in São Mamede de Infesta should appear around February 8, only rarely appearing before January 25 or after February 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 3.1 months, from May 17 to August 21, with an average daily incident shortwave energy per square meter above 6.6 kWh. The brightest day of the year is July 6, with an average of 7.9 kWh.
The darker period of the year lasts for 3.6 months, from October 25 to February 15, with an average daily incident shortwave energy per square meter below 2.9 kWh. The darkest day of the year is December 25, with an average of 1.7 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of São Mamede de Infesta are 41.200 deg latitude, -8.603 deg longitude, and 295 ft elevation.
The topography within 2 miles of São Mamede de Infesta contains only modest variations in elevation, with a maximum elevation change of 404 feet and an average elevation above sea level of 300 feet. Within 10 miles contains only modest variations in elevation (1,270 feet). Within 50 miles contains very significant variations in elevation (4,836 feet).
The area within 2 miles of São Mamede de Infesta is covered by artificial surfaces (74%) and cropland (19%), within 10 miles by artificial surfaces (31%) and trees (28%), and within 50 miles by water (41%) and trees (27%).
This report illustrates the typical weather in São Mamede de Infesta, 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 São Mamede de Infesta.
For each station, the records are corrected for the elevation difference between that station and São Mamede de Infesta 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 São Mamede de Infesta is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between São Mamede de Infesta and a given station.
The stations contributing to this reconstruction are: Francisco de Sá Carneiro Airport (86%, 8 kilometers, northwest); Ovar Mil. (12%, 32 kilometers, south); and Vila Real Airport (2.7%, 74 kilometers, east).
Time zones for aiports and weather stations are provided by AskGeo.com .