Average Weather in Rennerdale Pennsylvania, United States
In Rennerdale, the summers are warm and partly cloudy and the winters are very cold and mostly cloudy. Over the course of the year, the temperature typically varies from 22°F to 83°F and is rarely below 6°F or above 90°F.
Based on the tourism score, the best time of year to visit Rennerdale for warm-weather activities is from mid June to mid September.
The warm season lasts for 3.8 months, from May 25 to September 19, with an average daily high temperature above 74°F. The hottest day of the year is July 20, with an average high of 83°F and low of 65°F.
The cold season lasts for 3.0 months, from December 2 to March 3, with an average daily high temperature below 46°F. The coldest day of the year is January 29, with an average low of 22°F and high of 36°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
Bucharest, Romania (5,011 miles away); Krasnodar, Russia (5,440 miles); and Martan-Chu, Russia (5,757 miles) are the far-away foreign places with temperatures most similar to Rennerdale (view comparison).
In Rennerdale, 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 Rennerdale begins around May 29 and lasts for 5.4 months, ending around November 11. On August 27, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 66% of the time, and overcast or mostly cloudy 34% of the time.
The cloudier part of the year begins around November 11 and lasts for 6.5 months, ending around May 29. On January 12, the cloudiest day of the year, the sky is overcast or mostly cloudy 69% of the time, and clear, mostly clear, or partly cloudy 31% 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 Rennerdale varies throughout the year.
The wetter season lasts 5.0 months, from March 18 to August 20, with a greater than 30% chance of a given day being a wet day. The chance of a wet day peaks at 41% on June 25.
The drier season lasts 7.0 months, from August 20 to March 18. The smallest chance of a wet day is 20% on January 30.
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 25.
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. Rennerdale experiences some seasonal variation in monthly rainfall.
Rain falls throughout the year in Rennerdale. The most rain falls during the 31 days centered around June 13, with an average total accumulation of 3.4 inches.
The least rain falls around January 29, with an average total accumulation of 1.5 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. Rennerdale experiences some seasonal variation in monthly liquid-equivalent snowfall.
The snowy period of the year lasts for 4.0 months, from November 27 to March 28, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The most snow falls during the 31 days centered around February 12, with an average total liquid-equivalent accumulation of 0.4 inches.
The snowless period of the year lasts for 8.0 months, from March 28 to November 27. The least snow falls around July 26, with an average total liquid-equivalent accumulation of 0.0 inches.
Average Liquid-Equivalent Monthly Snowfall
The length of the day in Rennerdale varies significantly over the course of the year. In 2021, the shortest day is December 21, with 9 hours, 17 minutes of daylight; the longest day is June 20, with 15 hours, 4 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 5:49 AM on June 14, and the latest sunrise is 2 hours, 7 minutes later at 7:56 AM on November 6. The earliest sunset is at 4:53 PM on December 7, and the latest sunset is 4 hours, 1 minute later at 8:54 PM on June 27.
Daylight saving time (DST) is observed in Rennerdale during 2021, starting in the spring on March 14, lasting 7.8 months, and ending in the fall on November 7.
Sunrise & Sunset with Twilight and Daylight Saving Time
The figure below presents a compact representation of key lunar data for 2021. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases.
Moon Rise, Set & Phases
Rennerdale experiences significant seasonal variation in the perceived humidity.
The muggier period of the year lasts for 3.7 months, from May 31 to September 20, during which time the comfort level is muggy, oppressive, or miserable at least 9% of the time. The muggiest day of the year is July 21, with muggy conditions 38% of the time.
The least muggy day of the year is February 21, 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 Rennerdale experiences significant seasonal variation over the course of the year.
The windier part of the year lasts for 5.4 months, from November 14 to April 27, with average wind speeds of more than 4.9 miles per hour. The windiest day of the year is February 2, with an average hourly wind speed of 6.4 miles per hour.
The calmer time of year lasts for 6.6 months, from April 27 to November 14. The calmest day of the year is August 4, with an average hourly wind speed of 3.3 miles per hour.
Average Wind Speed
The predominant average hourly wind direction in Rennerdale varies throughout the year.
The wind is most often from the south for 1.1 months, from September 2 to October 4, with a peak percentage of 33% on September 24. The wind is most often from the west for 11 months, from October 4 to September 2, with a peak percentage of 48% on January 1.
Best Time of Year to Visit
To characterize how pleasant the weather is in Rennerdale 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 Rennerdale for general outdoor tourist activities is from mid June to mid 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 Rennerdale for hot-weather activities is from early July to late 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 Rennerdale typically lasts for 6.4 months (194 days), from around April 16 to around October 27, rarely starting before March 28 or after May 6, and rarely ending before October 8 or after November 14.
Time Spent in Various Temperature Bands and the Growing Season
Based on growing degree days alone, the first spring blooms in Rennerdale should appear around March 31, only rarely appearing before March 14 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 3.8 months, from May 2 to August 27, with an average daily incident shortwave energy per square meter above 5.8 kWh. The brightest day of the year is July 2, with an average of 6.8 kWh.
The darker period of the year lasts for 3.3 months, from November 5 to February 14, with an average daily incident shortwave energy per square meter below 2.6 kWh. The darkest day of the year is December 23, with an average of 1.6 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of Rennerdale are 40.398 deg latitude, -80.141 deg longitude, and 965 ft elevation.
The topography within 2 miles of Rennerdale contains significant variations in elevation, with a maximum elevation change of 528 feet and an average elevation above sea level of 1,047 feet. Within 10 miles also contains significant variations in elevation (755 feet). Within 50 miles contains significant variations in elevation (2,303 feet).
The area within 2 miles of Rennerdale is covered by trees (60%) and artificial surfaces (32%), within 10 miles by artificial surfaces (55%) and trees (28%), and within 50 miles by trees (61%) and cropland (25%).
This report illustrates the typical weather in Rennerdale, 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 Rennerdale.
For each station, the records are corrected for the elevation difference between that station and Rennerdale 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 Rennerdale is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Rennerdale and a given station.
The stations contributing to this reconstruction are: Pittsburgh International Airport (56%, 11 kilometers, northwest); Allegheny County Airport (29%, 19 kilometers, east); and Washington County Airport (15%, 32 kilometers, south).
Time zones for airports and weather stations are provided by AskGeo.com .