Climate and monthly weather forecastGladwyne, PA
Climate and monthly weather forecast
Weather in January
January, like December, in Gladwyne, Pennsylvania, is an icy winter month, with an average temperature ranging between min 25°F (-3.9°C) and max 36.7°F (2.6°C). Gladwyne's coldest temperatures are experienced in January, with average high temperatures of 36.7°F (2.6°C) and lows of 25°F (-3.9°C). Weather in January »Weather in February
February, the last month of the winter in Gladwyne, is also an icy month, with an average temperature ranging between max 40.3°F (4.6°C) and min 27°F (-2.8°C). In February, the average high-temperature registers at a still cold 40.3°F (4.6°C), nearly identical to January's 36.7°F (2.6°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Gladwyne, Pennsylvania, with an average temperature fluctuating between 34.3°F (1.3°C) and 49.1°F (9.5°C). A soft shift in the average high-temperature is noticeable in March, transitioning from an icy 40.3°F (4.6°C) in February to a frosty 49.1°F (9.5°C). Weather in March »Weather in April
April is a comfortable spring month in Gladwyne, Pennsylvania, with an average temperature ranging between min 44.2°F (6.8°C) and max 61.2°F (16.2°C). The shift into April is accompanied by a temperature increase, with the average high-temperature rising from a chilly 49.1°F (9.5°C) in March to an enjoyable 61.2°F (16.2°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Gladwyne, Pennsylvania, with an average temperature fluctuating between 71.8°F (22.1°C) and 54.3°F (12.4°C). Gladwyne's transition into May brings a rise in the average high-temperature, moving from a comfortable 61.2°F (16.2°C) in April to a pleasant 71.8°F (22.1°C). Weather in May »Weather in June
June, the first month of the summer in Gladwyne, is a warm month, with an average temperature fluctuating between 79.9°F (26.6°C) and 62.6°F (17°C). With the onset of June, Gladwyne's average high-temperature experiences a slight rise, moving from May's agreeable 71.8°F (22.1°C) to a moderately hot 79.9°F (26.6°C). Weather in June »Weather in July
July, like June, in Gladwyne, Pennsylvania, is another warm summer month, with temperature in the range of an average low of 68.9°F (20.5°C) and an average high of 85.8°F (29.9°C). The warmest time of the year is July, with temperatures averaging a high of 85.8°F (29.9°C) and a low of 68.9°F (20.5°C). For most parts of July, the heat index is appraised at a very hot 95°F (35°C). Weather in July »Weather in August
August, the last month of the summer in Gladwyne, is also a moderately hot month, with an average temperature ranging between max 83.7°F (28.7°C) and min 67.5°F (19.7°C). As August takes hold, the average high-temperature is a still moderately hot 83.7°F (28.7°C), nearly mirroring that of the previous month. Weather in August »Weather in September
September, the first month of the autumn in Gladwyne, is still a warm month, with temperature in the range of an average high of 76.5°F (24.7°C) and an average low of 59.9°F (15.5°C). As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 83.7°F (28.7°C) to a still warm 76.5°F (24.7°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Gladwyne, Pennsylvania, with an average temperature ranging between min 50°F (10°C) and max 64.2°F (17.9°C). Gladwyne experiences a temperature shift at the start of October, with average high-temperatures adjusting from a moderately hot 76.5°F (24.7°C) in September to a refreshing 64.2°F (17.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Gladwyne, Pennsylvania, with an average temperature ranging between max 52°F (11.1°C) and min 38.3°F (3.5°C). The commencement of November involves a temperature shift, with the average high-temperature dropping from a comfortable 64.2°F (17.9°C) in October to a fresh 52°F (11.1°C). Weather in November »Weather in December
December, the first month of the winter in Gladwyne, is also a frosty month, with an average temperature fluctuating between 43.2°F (6.2°C) and 32°F (0°C). December's arrival aligns with a minor decrease in average high-temperatures, from November's cool 52°F (11.1°C) to a frosty 43.2°F (6.2°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Gladwyne, PA
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.7°F).
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure
Gladwyne, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Gladwyne, PA
- Average wind speed in January:
8.2mph - Average wind speed in February:
8.2mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.4mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7mph - Average wind speed in November:
7.4mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Gladwyne, PA
The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (71%).
Average rainfall
Gladwyne, PA
- Average rainfall in January:
0.55" - Average rainfall in February:
0.63" - Average rainfall in March:
0.79" - Average rainfall in April:
0.75" - Average rainfall in May:
0.91" - Average rainfall in June:
0.98"
- Average rainfall in July:
1.14" - Average rainfall in August:
1.14" - Average rainfall in September:
0.63" - Average rainfall in October:
0.63" - Average rainfall in November:
0.63" - Average rainfall in December:
0.91"
The wettest months (with the highest rainfall) are July and August (1.14").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days
Gladwyne, PA
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
6.2 days - Average rainfall days in March:
8.7 days - Average rainfall days in April:
10.7 days - Average rainfall days in May:
12.6 days - Average rainfall days in June:
12 days
- Average rainfall days in July:
13.3 days - Average rainfall days in August:
12.2 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
8.3 days - Average rainfall days in November:
5.9 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (5.3 days).
Average snowfall
Gladwyne, PA
The months with the highest snowfall are February and March (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Gladwyne, PA
- Average snowfall days in January:
4.5 days - Average snowfall days in February:
4.4 days - Average snowfall days in March:
3.1 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 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 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
2.1 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Gladwyne, 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:
4h and 48min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Gladwyne, PA
- Average sunshine days in January:
21.9 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
19.2 days - Average sunshine days in April:
17.5 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
14.9 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
22.2 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.9 days).
Average UV index
Gladwyne, PA
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Gladwyne, PA
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Gladwyne, PA
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





