Climate and monthly weather forecastGreensburg, PA
Climate and monthly weather forecast
The climate of Greensburg
Positioned within the climate zone characterized as Cfa according to the Köppen climate classification, Greensburg, Pennsylvania, bears a Humid subtropical climate with no dry period. As typical of regions within this climate category, weather conditions fluctuate throughout the year with the absence of a designated dry season.Reviewing average temperature data reveals a fairly wide range of temperatures from 20.3°F (-6.5°C) in January to 82°F (27.8°C) in July, underlining the seasonal diversity in the city's climate. Notably, Greensburg annually experiences temperature highs ranging from 32.9°F (0.5°C) to 82°F (27.8°C) and lows between 20.3°F (-6.5°C) and 60.6°F (15.9°C). This range may be conceivably attributed to the location's Humid subtropical climate that inherently delivers significant temperature differences between seasons.
Rainfall data follows a similar diversified pattern, with values fluctuating from a low of 2.01" (51mm) in November to a peak of 3.74" (95mm) in May. Whereas, snowfall occurs predominantly between December to March, with December and January receiving approximately 6.65" (169mm) and 6.3" (160mm) respectively. Sunshine hours reflect predictably cyclic patterns, peaking at 10.1 hours in July and August, then reducing to 3 hours in December and January. Visibility remains consistent with averages of 5 miles throughout the year, reflective of the region's steady weather conditions.
Intriguingly, the most intense wind speeds occur predominantly from December to February, with gust speeds reaching up to 12.4mph (20km/h), contributing to the overall weather variations witnessed in Greensburg.
The best time to visit Greensburg
Considering the varied weather conditions presented, the optimal time for traveling to Greensburg centers around the period from May to September. During these months, Greensburg experiences the highest average temperatures, from 59.5°F (15.3°C) in May up to 80.8°F (27.1°C) in August, optimal for outdoor activities. Rainfall levels are also moderate during these months, making the weather pleasant and conducive for exploration. Notably, daylight hours peak from May to September, reaching up to 15 hours per day, enabling extended periods of exploration and outdoor enjoyment.The worst time to visit Greensburg
Conversely, winter months between December and February present less favorable conditions for travel. The city records the lowest temperature averages, from 20.3°F (-6.5°C) in January to 37.2°F (2.9°C) in February, accompanied by the highest recorded snowfall, posing possible disruptions for travel and outdoor activities. Furthermore, daylight hours are significantly reduced in these months with an average of 9.4 hours in December to 10.7 hours in February, limiting the amount of time available for sightseeing endeavors.Spring weather in Greensburg
Spring season in Greensburg, typically spanning from March to May, heralds a gradual rise in temperatures, from an average high of 46.8°F (8.2°C) in March to 70.9°F (21.6°C) by May. However, this period also experiences an increase in rainfall, reaching a high of 3.74" (95mm) in May, suggesting the likelihood of damp and dewy outdoor conditions.Summer weather in Greensburg
The summer months between June and August in Greensburg offer the warmest weather, with average high temperatures between 77.4°F (25.2°C) and 82°F (27.8°C). Despite the absence of snowfall, rainfall during this season remains relatively high, particularly in June with an average precipitation of 3.23" (82mm). Nonetheless, these months bring the longest daylight hours spanning from 14.4 hours in June to 13.7 hours in August.Autumn weather in Greensburg
Autumn in Greensburg sees a temperature decline from September through November, with average highs decreasing from 74.5°F (23.6°C) to 48.7°F (9.3°C). This period has moderate rainfall, coupled with lesser daylight hours which diminish from 12.4 hours in September to 10 hours by November.Winter weather in Greensburg
Winter months in Greensburg, particularly from December to February, experience the harshest weather conditions. During this time, temperatures dip significantly, with high averages barely surpassing the freezing point, lying in the range of 32.9°F (0.5°C) to 37.2°F (2.9°C). Accompanied by substantial snowfall, peaking at 6.65" (169mm) in December, and decreased daylight hours, this period presents the least favorable conditions in the city.Weather in January
January in Greensburg, Pennsylvania starts the year with chilly conditions as it is typically the coldest month. The daily average temperatures range from a high of 32.9°F (0.5°C) to a low of 20.3°F (-6.5°C). The city often receives snowfall, making the landscape a winter wonderland. Weather in January »Weather in February
Continuing the trend of cold temperatures from January, February sees similar conditions but with slight moderation. The average high and low temperatures increase slightly, albeit remaining characteristically cold. Snowfall continues, albeit at a lesser rate, which adds to the idyllic snow-covered visuals of Greensburg. Weather in February »Weather in March
A change in weather patterns can be felt as Spring approaches in Greensburg during March. As the month progresses, the daytime temperatures reach a more palatable 46.8°F (8.2°C), signifying an end to the harsh winter. While snowfall significantly decreases, rainfall begins to make a more frequent appearance. Weather in March »Weather in April
April in Greensburg is synonymous with the full swing of Spring. Notable changes include the replacement of snowfall with rainfall and temperatures climbing to an average high of 59.5°F (15.3°C). With the spring season at peak, the city turns into a riot of colors thanks to abundant flowering plants and trees. Weather in April »Weather in May
The month of May brings about the feeling of summer as temperatures continue to rise in Greensburg. Proclaiming the onset of summer, Greensburg sees a prominent rise in temperatures with daily highs averaging 70.9°F (21.6°C) and the city experiences the last traces of snowfall. Weather in May »Weather in June
June in Greensburg showcases true summer characteristics with temperatures soaring further. Sunlight hours peak, and an increasing UV Index indicates high levels of sun radiation. Outdoor enthusiasts can take advantage of these conditions, all while taking necessary precautions to protect against UV radiation. Weather in June »Weather in July
July represents the height of the summer season in Greensburg. Maximum temperatures reach up to 82°F (27.8°C), marking the warmest period of the year. While high humidity may cause discomfort, proper hydration and dressing in lightweight clothing should ensure a pleasant experience. Weather in July »Weather in August
August brings about a poignant change in temperature, signaling the end of the hot summer months in Greensburg. Though the city continues to see high temperatures, there is a minor retreat with the average high dropping to 80.8°F (27.1°C). Weather in August »Weather in September
September marks the arrival of Autumn in Greensburg with temperatures dipping to an average of 74.5°F (23.6°C) during the day. This shift in weather, aided by the shortening daylight hours, brings a refreshing change to the summer heat. Weather in September »Weather in October
October witnesses noticeable alterations in climate conditions in Greensburg. Falling temperatures and shorter daylight durations become evident as winter begins to take hold. It is essential to be prepared for these changes and opt for warm clothing. Weather in October »Weather in November
November brings the onset of the winter season to Greensburg. Temperatures plummet further setting in the cold weather, with light dusting of snow starting to reappear. Functionality over fashion in clothing becomes the order of the day, with thermal clothing becoming a must-pack item. Weather in November »Weather in December
December in Greensburg is marked by harsh winter conditions. As temperatures drop to an average low of 27.9°F (-2.3°C), the city turns into a winter wonderland courtesy of the increased amount of snowfall. Despite chilly conditions, Greensburg sparkles with holiday spirit, enhancing its appeal with breathtaking winter visuals. Weather in December »Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Greensburg, the average lowest temperatures are observed in January, with a high of 32.9°F (0.5°C) and a low of 20.3°F (-6.5°C).
The months with the highest humidity are January and February, with an average relative humidity of 85%.
Throughout the year, in Greensburg, there are 186 rainfall days, and 34.84" (885mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
January is the month with the most snowfall. Snow falls for 17.6 days and accumulates 6.65" (169mm) of snow.
Throughout the year, in Greensburg, there are 63.3 snowfall days, and 27.44" (697mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 3h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Greensburg, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
April, July and August, with an average relative humidity of 77%, are the least humid months in Greensburg.
May is the month with the most rainfall. Rain falls for 20.9 days and accumulates 3.74" (95mm) of precipitation.
In Greensburg, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 0min of daylight.
June and July, with an average maximum UV index of 6, are months with the highest UV index.
The warmest period in Greensburg is July, when temperatures fluctuate between an average high of 82°F (27.8°C) and a low of 60.6°F (15.9°C).
August has the most sunshine of the year, with an average of 10.1h of sunshine.
The month with the least rainfall is November, when the rain falls for 12 days and typically collects 2.01" (51mm) of precipitation.
With an average of 9h and 24min of daylight, December has the shortest days of the year.
December is the month with the lowest UV index in Greensburg, with an average maximum UV index of 1.
Average temperature
Greensburg, PA
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure
Greensburg, PA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Greensburg, PA
- Average wind speed in January:
8.5mph - Average wind speed in February:
8.2mph - Average wind speed in March:
7.7mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.5mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.9mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Greensburg, PA
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall
Greensburg, PA
- Average rainfall in January:
2.64" - Average rainfall in February:
2.99" - Average rainfall in March:
2.87" - Average rainfall in April:
3.43" - Average rainfall in May:
3.74" - Average rainfall in June:
3.23"
- Average rainfall in July:
3.19" - Average rainfall in August:
2.48" - Average rainfall in September:
2.2" - Average rainfall in October:
2.99" - Average rainfall in November:
2.01" - Average rainfall in December:
3.07"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days
Greensburg, PA
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
10.7 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
17.8 days - Average rainfall days in May:
20.9 days - Average rainfall days in June:
18.5 days
- Average rainfall days in July:
19.7 days - Average rainfall days in August:
17.2 days - Average rainfall days in September:
14.6 days - Average rainfall days in October:
16.5 days - Average rainfall days in November:
12 days - Average rainfall days in December:
13.5 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is January (9.8 days).
Average snowfall
Greensburg, PA
- Average snowfall in January:
6.65" - Average snowfall in February:
6.3" - Average snowfall in March:
4.76" - Average snowfall in April:
1.02" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is January (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Greensburg, PA
- Average snowfall days in January:
17.6 days - Average snowfall days in February:
14.2 days - Average snowfall days in March:
9.3 days - Average snowfall days in April:
2.7 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
5.9 days - Average snowfall days in December:
12.8 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Greensburg, PA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
3h and 0min - Average sunshine in February:
3h and 30min - Average sunshine in March:
5h and 24min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 12min - Average sunshine in November:
4h and 48min - Average sunshine in December:
3h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days
Greensburg, PA
- Average sunshine days in January:
6.4 days - Average sunshine days in February:
7.5 days - Average sunshine days in March:
8.4 days - Average sunshine days in April:
10.1 days - Average sunshine days in May:
7.9 days - Average sunshine days in June:
9 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
12.2 days - Average sunshine days in September:
13.4 days - Average sunshine days in October:
12.5 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
8.8 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.4 days).
Average UV index
Greensburg, PA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Greensburg, PA
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility
Greensburg, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
