Climate and monthly weather forecastGlenside, PA

The climate of Glenside

Glenside, Pennsylvania, USA is classified as having a Cfa climate under the Köppen climate classification system. This corresponds to a humid subtropical climate, characterized by significant rainfall throughout the year, and no pronounced dry season. Nestled in the southeastern part of the state, the geographical location of Glenside contributes to its weather patterns heavily influenced by the Atlantic Ocean currents, resulting in relatively mild winters and hot, humid summers.

A review of climatic data reveals that the monthly average temperatures show significant variations over the course of the year. During the peak of summer in July, temperatures can reach up to 86.2°F (30.1°C), while in the colder months, January and February, the mercury can drop down to a chilly 24.6 and 26.6°F (-3°C). The daily sunlight duration also varies, ranging from 9.4 to 15 hours per day, with the longest days in June.

Glenside is also no stranger to rainfall. The data shows every month experiencing some level of precipitation. The wettest month appears to be August with 1.54" (39mm) of rain, while the driest month is September, receiving only 0.75" (19mm). This rainfall is consistent with its humid subtropical classification and there are typically between 6.4 and 14.1 days of rainfall each month.

Wind speeds, on average range from 5.4mph (8.7km/h) to 8.4mph (13.5km/h). The months of January and February register the highest gust speeds up to 13mph (20.9km/h). Similarly, snowfall is a common occurrence during the winter months, with maximum snowfall recorded in February measuring 1.46" (37mm).

The best time to visit Glenside

With its subtle and comfortable seasonal changes, Glenside can be a delightful place to visit any time of the year, depending on visitor preferences. However, those seeking warm weather and long, sunny days should plan their trip between May to July. During this period, the average daily temperatures range from 71.8°F (22.1°C) to 86.2°F (30.1°C) and there are between 8.6 and 10.7 hours of sunshine per day.

The worst time to visit Glenside

Despite Glenside's relatively mild and evenly-distributed weather patterns, challenging conditions can appear. Without a doubt, the winter months from December to February can be quite inhospitable for people not accustomed to cold and snowy conditions. These months record the lowest average temperatures, from 24.6°F (-4.1°C) to 33.8°F (1°C), and are also the peak months for snowfall, with upwards of 1.46" (37mm) in February.

Spring weather in Glenside

Come spring, Glenside experiences a rejuvenation in terms of weather. With average temperatures warming up from 36.7°F (2.6°C) in March to a comforting 61.2°F (16.2°C) in May, the season also sees a gradual increase in daylight, with the month of May boasting an impressive 14.4 hours. Rainfall during this period ranges from 0.83" (21mm) in March to 1.18" (30mm) in May, relatively modest compared to the summer months ahead.

Summer weather in Glenside

Summer in Glenside is a vibrant season, with July being the hottest month boasting an average high temperature of 86.2°F (30.1°C). Notably, this season also marks the peak of rainfall with the height being August at 1.54" (39mm). Despite the rain, there's plenty of sunshine to be enjoyed with an average of 10.2 to 10.7 hours per day between June and July.

Autumn weather in Glenside

The autumn season brings cooler temperatures and stunning fall foliage to Glenside. As temperatures moderate from 76.1°F (24.5°C) in September to a chillier 52.2°F (11.2°C) in November, the average rain reduces from 0.75" (19mm) in September to 0.87" (22mm) in November.

Winter weather in Glenside

The winter months from December to February can turn Glenside into a winter wonderland with temperatures plummeting to the lowest of the year, from 42.8°F (6°C) in December to 24.6°F (-4.1°C) in January. It's also the snowy season, with the maximum snowfall of 1.46" (37mm) happening in February, but not many days are actually snowy, averaging between 0.5 and 5.1 days in the entire winter season.

Weather in January

The calendar year kicks off in Glenside, Pennsylvania, with weather conditions largely characterized by cold temperatures and snowfall. January features the lowest average temperatures of the year, with during the day reaching 36.7°F (2.6°C), plunging to a chilly 24.6°F (-4.1°C) at night. Weather in January »

Weather in February

Moving into February, noticeable changes are hard to come by as the core of winter settles into Glenside. Despite a small rise in both daytime and nighttime temperatures from January, with the highest temperature recorded at 40.5°F (4.7°C), winter conditions persist. Weather in February »

Weather in March

March ushers in the beginnings of a mild transition in Glenside, marking the eventual end of winter and onset of spring. The progression from wintery conditions is evident with a jump in average high temperatures, which hover up to 48.7°F (9.3°C), and a decrease in both snowfall and snow days. Weather in March »

Weather in April

Glenside's weather truly begins to warm in April, bringing a definite end to winter and more firmly establishing the spring season. Daytime highs rise considerably compared to March, reaching a pleasant 61.2°F (16.2°C), signaling a warmer phase. Weather in April »

Weather in May

Surging into the bright month of May, Glenside grapples with an increase in humidity, temperate weather, and relatively increased rainfall. With the mercury mounting to 71.8°F (22.1°C), locals usually mark the beginning of beach and barbecue season. Weather in May »

Weather in June

Arriving in June, Glenside welcomes the official start of summer and the longest days of the year. With average daytime high temperatures nearing 79.9°F (26.6°C), the month stands out for its warmth and humidity. Rainfall is scattered throughout the month, interspersing sunny days with occasional downpours. Weather in June »

Weather in July

Gaining traction in summer, July stands out as the hottest month of the year in Glenside. High temperatures, reaching up to an average high of 86.2°F (30.1°C) during the day, dominate the weather scene. Although the month encounters fewer rainy days, the accumulated precipitation is considerably higher than in previous months. Weather in July »

Weather in August

As the summer season begins to roll back in August, Glenside experiences a slight cooling trend from July’s peak. Daytime temperatures on average remain high at 83.3°F (28.5°C) but dip slightly compared to the previous month. Weather in August »

Weather in September

September in Glenside ushers in the onset of the fall season, with the first whispers of autumn noticeable in the city's weather patterns. Daytime temperatures cool down to average highs of 76.1°F (24.5°C), bringing relief from the summer heat. Weather in September »

Weather in October

October sees a more noticeable shift in Glenside's weather as autumn takes hold and moderates summer's lingering heat. Weather patterns feature cooler temperatures, with the mercury dropping to daytime highs of 64°F (17.8°C). Weather in October »

Weather in November

November’s arrival in Glenside marks a substantial drop in temperature, hinting at the approaching winter season. The weather experiences a dip, with daytime temperatures averaging at 52.2°F (11.2°C) during the month. This pronounced cooling phase sets the stage for Thanksgiving festivities, with residents often gathered around hearty meals indoors. Weather in November »

Weather in December

Rounding out the year, December brings the charm of holiday spirit, accompanied by a significant drop in temperature in Glenside. Average daytime temperatures cool down to 42.8°F (6°C), fully setting the winter scene. It's a magical time as the city is often decorated with a layer of snow, adding a festive spirit to holiday celebrations. Weather in December »