Climate and monthly weather forecastGlenshaw, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Glenshaw, Pennsylvania, with an average temperature ranging between max 33.1°F (0.6°C) and min 21°F (-6.1°C). January, with average temperatures reaching a high of 33.1°F (0.6°C) and a low of 21°F (-6.1°C), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Glenshaw, is also a wintry month, with an average temperature varying between 23.4°F (-4.8°C) and 37.6°F (3.1°C). The commencement of February records an average high-temperature of a still icy 37.6°F (3.1°C), barely varying from January's 33.1°F (0.6°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Glenshaw, Pennsylvania, with an average temperature ranging between max 47.8°F (8.8°C) and min 31.5°F (-0.3°C). In Glenshaw, the average high-temperature in March increases from a wintry 37.6°F (3.1°C) in February to a frosty 47.8°F (8.8°C). Weather in March »Weather in April
April in Glenshaw, Pennsylvania, is an enjoyable spring month, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 61°F (16.1°C). The shift into April is accompanied by a temperature increase, with the average high-temperature rising from a frosty 47.8°F (8.8°C) in March to a refreshing 61°F (16.1°C). Weather in April »Weather in May
May, the last month of the spring in Glenshaw, is an agreeable month, with an average temperature fluctuating between 72.1°F (22.3°C) and 51.4°F (10.8°C). Glenshaw's weather shows a temperature rise with the arrival of May, moving from an enjoyable 61°F (16.1°C) in April to a pleasant 72.1°F (22.3°C). Weather in May »Weather in June
June, the first month of the summer in Glenshaw, is a warm month, with an average temperature ranging between max 79.3°F (26.3°C) and min 58.6°F (14.8°C). As May gives way to June, the average high-temperature displays a slight ascent, adjusting from a pleasant 72.1°F (22.3°C) to a moderately hot 79.3°F (26.3°C). Weather in June »Weather in July
July, like June, in Glenshaw, Pennsylvania, is another warm summer month, with an average temperature varying between 84°F (28.9°C) and 63°F (17.2°C). July is the warmest month, with an average high-temperature of 84°F (28.9°C) and an average low-temperature of 63°F (17.2°C). For July, the heat index is computed to be a hot 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Glenshaw, is another warm month, with an average temperature varying between 82.2°F (27.9°C) and 61.3°F (16.3°C). The transition into August notes an average high-temperature of a still warm 82.2°F (27.9°C), revealing a mild distinction from the 84°F (28.9°C) in July. Weather in August »Weather in September
September, the first month of the autumn in Glenshaw, is also a moderately hot month, with an average temperature varying between 75.7°F (24.3°C) and 55.9°F (13.3°C). With the commencement of September, Glenshaw records a moderate temperature decline, with the average high easing from August's moderately hot 82.2°F (27.9°C) to a still warm 75.7°F (24.3°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Glenshaw, Pennsylvania, with an average temperature ranging between max 62.2°F (16.8°C) and min 45.5°F (7.5°C). Glenshaw's progression into October includes a drop in the average high-temperature, from a warm 75.7°F (24.3°C) in September to a refreshing 62.2°F (16.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Glenshaw, Pennsylvania, with an average temperature varying between 34.2°F (1.2°C) and 49.1°F (9.5°C). Transition from October to November is accompanied by a temperature drop, with average high-temperatures decreasing from an enjoyable 62.2°F (16.8°C) to a frosty 49.1°F (9.5°C). Weather in November »Weather in December
December, the first month of the winter in Glenshaw, is also an icy month, with an average temperature varying between 39.4°F (4.1°C) and 28.4°F (-2°C). As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a frosty 49.1°F (9.5°C) to a wintry 39.4°F (4.1°C). Weather in December »Updated: Aug 1, 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 Glenshaw, January is the month with the lowest recorded average temperatures, measuring a high of 33.1°F (0.6°C) and a low of 21°F (-6.1°C).
January and February, with an average relative humidity of 84%, are most humid months.
In Glenshaw, during the entire year, the rain falls for 163.6 days and collects up to 26.93" (684mm) of precipitation.
Months with snowfall are January through April, October through December.
January is the month with the most snowfall. Snow falls for 14.4 days and accumulates 3.31" (84mm) of snow.
In Glenshaw, during the entire year, snow falls for 47.7 days and aggregates up to 11.77" (299mm) of snow.
January has the least sunshine of the year, with an average of 2.8h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
The month with the most rainfall is May, when the rain falls for 18.9 days and typically aggregates up to 3.07" (78mm) of precipitation.
May through September are months without snowfall.
The months with the highest UV index are May through July, with an average maximum UV index of 6.
With an average of 15h and 0min of daylight, June has the longest days of the year.
July temperatures in Glenshaw tend to peak at an average high of 84°F (28.9°C) and dip to a low of 63°F (17.2°C).
The months with the lowest humidity are July and August, with an average relative humidity of 73%.
With an average of 10.1h of sunshine, August has the most sunshine of the year.
November is the month with the least rainfall. Rain falls for 9.8 days and accumulates 1.54" (39mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 18min of daylight.
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Glenshaw, PA
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.1°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure
Glenshaw, 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:
29.97"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:
30.05"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
Glenshaw, PA
- Average wind speed in January:
8mph - Average wind speed in February:
7.6mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity
Glenshaw, PA
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall
Glenshaw, PA
- Average rainfall in January:
1.69" - Average rainfall in February:
1.93" - Average rainfall in March:
2.05" - Average rainfall in April:
2.76" - Average rainfall in May:
3.07" - Average rainfall in June:
2.76"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.05" - Average rainfall in September:
2.13" - Average rainfall in October:
2.09" - Average rainfall in November:
1.54" - Average rainfall in December:
2.13"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is November (1.54").
Average rainfall days
Glenshaw, PA
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
9 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
18.9 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
18.2 days - Average rainfall days in August:
16 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (8.9 days).
Average snowfall
Glenshaw, PA
The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Glenshaw, PA
- Average snowfall days in January:
14.4 days - Average snowfall days in February:
10.8 days - Average snowfall days in March:
7.1 days - Average snowfall days in April:
1.4 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:
0.2 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
10.3 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Glenshaw, 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 30min - 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:
9h and 54min - Average daylight in December:
9h and 18min
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 18min).
- Average sunshine in January:
2h and 48min - Average sunshine in February:
3h and 24min - Average sunshine in March:
5h and 12min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 12min - Average sunshine in October:
5h and 6min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days
Glenshaw, PA
- Average sunshine days in January:
10.7 days - Average sunshine days in February:
9.6 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.1 days - Average sunshine days in August:
13.4 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
14.9 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
11.5 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.6 days).
Average UV index
Glenshaw, PA
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Glenshaw, PA
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Glenshaw, PA
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
