Average Weather in February in New Castle Northwest Pennsylvania, United States
Daily high temperatures increase by 8°F, from 34°F to 42°F, rarely falling below 19°F or exceeding 59°F.
Daily low temperatures increase by 5°F, from 19°F to 25°F, rarely falling below 3°F or exceeding 39°F.
For reference, on July 20, the hottest day of the year, temperatures in New Castle Northwest typically range from 62°F to 83°F, while on January 29, the coldest day of the year, they range from 19°F to 34°F.
Average High and Low Temperature in February
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on February. The horizontal axis is the day, 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 February
The month of February in New Castle Northwest experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 70% to 64%.
The clearest day of the month is February 28, with clear, mostly clear, or partly cloudy conditions 36% of the time.
For reference, on January 15, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 71%, while on August 27, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 66%.
Cloud Cover Categories in February
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. In New Castle Northwest, the chance of a wet day over the course of February is increasing, starting the month at 20% and ending it at 26%.
For reference, the year's highest daily chance of a wet day is 40% on June 15, and its lowest chance is 19% on January 30.
Over the course of February in New Castle Northwest, the chance of a day with only rain increases from 9% to 16%, the chance of a day with mixed snow and rain remains an essentially constant 5% throughout, and the chance of a day with only snow remains an essentially constant 5% throughout.
Probability of Precipitation in February
The average sliding 31-day rainfall during February in New Castle Northwest is gradually increasing, starting the month at 1.2 inches, when it rarely exceeds 2.2 inches or falls below 0.3 inches, and ending the month at 1.5 inches, when it rarely exceeds 2.8 inches or falls below 0.6 inches.
The lowest average 31-day accumulation is 1.2 inches on February 5.
Average Monthly Rainfall in February
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. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day liquid-equivalent snowfall during February in New Castle Northwest is essentially constant, remaining about 0.5 inches throughout, and rarely exceeding 1.1 inches or falling to 0.0 inches.
The highest average 31-day liquid-equivalent accumulation is 0.5 inches on February 15.
Average Monthly Liquid-Equivalent Snowfall in February
Over the course of February in New Castle Northwest, the length of the day is rapidly increasing. From the start to the end of the month, the length of the day increases by 1 hour, 8 minutes, implying an average daily increase of 2 minutes, 31 seconds, and weekly increase of 17 minutes, 35 seconds.
The shortest day of the month is February 1, with 10 hours, 7 minutes of daylight and the longest day is February 28, with 11 hours, 15 minutes of daylight.
Hours of Daylight and Twilight in February
The latest sunrise of the month in New Castle Northwest is 7:31 AM on February 1 and the earliest sunrise is 35 minutes earlier at 6:56 AM on February 28.
The earliest sunset is 5:38 PM on February 1 and the latest sunset is 33 minutes later at 6:11 PM on February 28.
Daylight saving time is observed in New Castle Northwest during 2021, but it neither starts nor ends during February, so the entire month is in standard time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:49 AM and sets 15 hours, 8 minutes later, at 8:57 PM, while on December 21, the shortest day of the year, it rises at 7:43 AM and sets 9 hours, 13 minutes later, at 4:56 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in February
The figure below presents a compact representation of key lunar data for February 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. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.
Moon Rise, Set & Phases in February
The chance that a given day will be muggy in New Castle Northwest is essentially constant during February, remaining around 0% throughout.
For reference, on August 2, the muggiest day of the year, there are muggy conditions 46% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in February
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in New Castle Northwest is essentially constant during February, remaining within 0.1 miles per hour of 6.6 miles per hour throughout.
For reference, on January 31, the windiest day of the year, the daily average wind speed is 6.7 miles per hour, while on August 4, the calmest day of the year, the daily average wind speed is 3.3 miles per hour.
Average Wind Speed in February
The hourly average wind direction in New Castle Northwest throughout February is predominantly from the west, with a peak proportion of 48% on February 2.
Wind Direction in February
New Castle Northwest 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 surface water temperature in New Castle Northwest is essentially constant during February, remaining around 34°F throughout.
The lowest average surface water temperature during February is 33°F on February 21.
Average Water Temperature in February
The growing season in New Castle Northwest typically lasts for 5.3 months (163 days), from around May 4 to around October 14, rarely starting before April 14 or after May 26, and rarely ending before September 26 or after November 1.
The month of February in New Castle Northwest is reliably fully outside of the growing season.
Time Spent in Various Temperature Bands and the Growing Season in February
The average accumulated growing degree days in New Castle Northwest are essentially constant during February, remaining within 4°F of 10°F throughout.
Growing Degree Days in February
The average daily incident shortwave solar energy in New Castle Northwest is increasing during February, rising by 1.0 kWh, from 2.1 kWh to 3.1 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in February
For the purposes of this report, the geographical coordinates of New Castle Northwest are 41.022 deg latitude, -80.357 deg longitude, and 1,053 ft elevation.
The topography within 2 miles of New Castle Northwest contains significant variations in elevation, with a maximum elevation change of 515 feet and an average elevation above sea level of 991 feet. Within 10 miles also contains significant variations in elevation (692 feet). Within 50 miles contains significant variations in elevation (1,132 feet).
The area within 2 miles of New Castle Northwest is covered by artificial surfaces (58%) and trees (32%), within 10 miles by trees (44%) and cropland (42%), and within 50 miles by trees (55%) and cropland (31%).
This report illustrates the typical weather in New Castle Northwest, 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 New Castle Northwest.
For each station, the records are corrected for the elevation difference between that station and New Castle Northwest 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 New Castle Northwest is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between New Castle Northwest and a given station.
The stations contributing to this reconstruction are: New Castle Municipal Airport (94%, 5.2 kilometers, west); Butler-Graham Airport (3.8%, 44 kilometers, southeast); and Venango Regional Airport (2.5%, 57 kilometers, northeast).
Time zones for airports and weather stations are provided by AskGeo.com .