Average Weather in Byala Slatina Bulgaria
In Byala Slatina, the summers are warm and mostly clear and the winters are very cold, dry, and partly cloudy. Over the course of the year, the temperature typically varies from 25°F to 87°F and is rarely below 12°F or above 96°F.
Based on the beach/pool score, the best time of year to visit Byala Slatina for hot-weather activities is from late June to late August.
The hot season lasts for 3.6 months, from May 26 to September 14, with an average daily high temperature above 77°F. The hottest day of the year is July 29, with an average high of 87°F and low of 64°F.
The cold season lasts for 3.2 months, from November 22 to February 29, with an average daily high temperature below 48°F. The coldest day of the year is January 19, with an average low of 25°F and high of 38°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 Byala Slatina, 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 Byala Slatina begins around June 7 and lasts for 3.4 months, ending around September 21. On July 20, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 87% of the time, and overcast or mostly cloudy 13% of the time.
The cloudier part of the year begins around September 21 and lasts for 8.6 months, ending around June 7. On December 7, the cloudiest day of the year, the sky is overcast or mostly cloudy 55% of the time, and clear, mostly clear, or partly cloudy 45% of the time.
Cloud Cover Categories
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Byala Slatina varies throughout the year.
The wetter season lasts 2.3 months, from April 25 to July 4, with a greater than 23% chance of a given day being a wet day. The chance of a wet day peaks at 32% on June 3.
The drier season lasts 9.7 months, from July 4 to April 25. The smallest chance of a wet day is 14% on January 24.
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 in Byala Slatina changes throughout the year.
Rain alone is the most common for 11 months, from January 28 to January 6. The highest chance of a day with rain alone is 32% on June 3.
Snow alone is the most common for 3.1 weeks, from January 6 to January 28. The highest chance of a day with snow alone is 7% on December 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. Byala Slatina experiences some seasonal variation in monthly rainfall.
The rainy period of the year lasts for 11 months, from February 7 to January 3, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around June 7, with an average total accumulation of 2.1 inches.
The rainless period of the year lasts for 1.1 months, from January 3 to February 7. The least rain falls around January 20, with an average total accumulation of 0.4 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. Byala Slatina experiences some seasonal variation in monthly liquid-equivalent snowfall.
The snowy period of the year lasts for 4.3 months, from November 6 to March 14, 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 6, with an average total liquid-equivalent accumulation of 0.5 inches.
The snowless period of the year lasts for 7.7 months, from March 14 to November 6. The least snow falls around July 23, with an average total liquid-equivalent accumulation of 0.0 inches.
Average Liquid-Equivalent Monthly Snowfall
The length of the day in Byala Slatina varies significantly over the course of the year. In 2020, the shortest day is December 21, with 8 hours, 57 minutes of daylight; the longest day is June 21, with 15 hours, 25 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 5:42 AM on June 14, and the latest sunrise is 2 hours, 14 minutes later at 7:57 AM on January 3. The earliest sunset is at 4:47 PM on December 9, and the latest sunset is 4 hours, 21 minutes later at 9:09 PM on June 26.
Daylight saving time (DST) is observed in Byala Slatina during 2020, starting in the spring on March 29, lasting 6.9 months, and ending in the fall on October 25.
Sunrise & Sunset with Twilight and Daylight Saving Time
Byala Slatina experiences some seasonal variation in the perceived humidity.
The muggier period of the year lasts for 3.0 months, from June 2 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 28, with muggy conditions 17% of the time.
The least muggy day of the year is February 23, when muggy conditions are essentially unheard of.
Humidity Comfort Levels
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Byala Slatina experiences mild seasonal variation over the course of the year.
The windier part of the year lasts for 5.2 months, from November 15 to April 23, with average wind speeds of more than 7.5 miles per hour. The windiest day of the year is February 5, with an average hourly wind speed of 8.5 miles per hour.
The calmer time of year lasts for 6.8 months, from April 23 to November 15. The calmest day of the year is August 10, with an average hourly wind speed of 6.5 miles per hour.
Average Wind Speed
The predominant average hourly wind direction in Byala Slatina is from the west throughout the year.
Best Time of Year to Visit
To characterize how pleasant the weather is in Byala Slatina 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 Byala Slatina for general outdoor tourist activities is from mid May to late September, with a peak score in the first week of September.
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 Byala Slatina for hot-weather activities is from late June 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 Byala Slatina typically lasts for 7.3 months (225 days), from around March 22 to around November 1, rarely starting before March 3 or after April 9, and rarely ending before October 17 or after November 19.
Time Spent in Various Temperature Bands and the Growing Season
Based on growing degree days alone, the first spring blooms in Byala Slatina should appear around March 27, only rarely appearing before March 10 or after April 14.
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 3.2 months, from May 15 to August 21, with an average daily incident shortwave energy per square meter above 6.2 kWh. The brightest day of the year is July 8, with an average of 7.4 kWh.
The darker period of the year lasts for 3.6 months, from October 29 to February 16, with an average daily incident shortwave energy per square meter below 2.7 kWh. The darkest day of the year is December 14, with an average of 1.5 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of Byala Slatina are 43.467 deg latitude, 23.933 deg longitude, and 466 ft elevation.
The topography within 2 miles of Byala Slatina contains only modest variations in elevation, with a maximum elevation change of 223 feet and an average elevation above sea level of 438 feet. Within 10 miles contains only modest variations in elevation (1,043 feet). Within 50 miles contains very significant variations in elevation (6,519 feet).
The area within 2 miles of Byala Slatina is covered by cropland (57%), artificial surfaces (23%), and trees (10%), within 10 miles by cropland (82%), and within 50 miles by cropland (59%) and trees (26%).
This report illustrates the typical weather in Byala Slatina, 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 Byala Slatina.
For each station, the records are corrected for the elevation difference between that station and Byala Slatina 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 Byala Slatina is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Byala Slatina and a given station.
The stations contributing to this reconstruction are: Dolna Mitropoliya Air Base (56%, 46 kilometers, east); Craiova Airport (19%, 95 kilometers, north); Sofia Airport (17%, 96 kilometers, southwest); and Niš Constantine the Great Airport (8%, 169 kilometers, west).
Time zones for aiports and weather stations are provided by AskGeo.com .