Climate and monthly weather forecastSaint Leonard, PA
Climate and monthly weather forecast
Weather in January
January, like December, in Saint Leonard, Pennsylvania, is a wintry winter month, with temperature in the range of an average high of 36.9°F (2.7°C) and an average low of 24.3°F (-4.3°C). January, with its high-temperature average of 36.9°F (2.7°C) and a low-temperature average of 24.3°F (-4.3°C), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Saint Leonard, is another cold month, with an average temperature ranging between max 40.3°F (4.6°C) and min 26.4°F (-3.1°C). The average high-temperature is a still icy 40.3°F (4.6°C) in February, hardly different from the 36.9°F (2.7°C) recorded in January. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Saint Leonard, Pennsylvania, with an average temperature ranging between max 48.6°F (9.2°C) and min 33.4°F (0.8°C). As March arrives, a slight rise in the average high-temperature is observed, moving from a wintry 40.3°F (4.6°C) in February to a frosty 48.6°F (9.2°C). Weather in March »Weather in April
April is a mild spring month in Saint Leonard, Pennsylvania, with an average temperature varying between 43.7°F (6.5°C) and 60.6°F (15.9°C). April's arrival signals an increase in average high-temperatures, moving from March's frosty 48.6°F (9.2°C) to a refreshing 60.6°F (15.9°C). Weather in April »Weather in May
May, the last month of the spring in Saint Leonard, is an agreeable month, with an average temperature ranging between min 53.6°F (12°C) and max 71.2°F (21.8°C). In Saint Leonard, the onset of May comes with an increased average high-temperature, moving from April's mild 60.6°F (15.9°C) to a pleasant 71.2°F (21.8°C). Weather in May »Weather in June
June, the first month of the summer in Saint Leonard, is a moderately hot month, with an average temperature fluctuating between 79.9°F (26.6°C) and 61.7°F (16.5°C). With the onset of June, Saint Leonard's weather sees a minor temperature rise, transitioning from a pleasant 71.2°F (21.8°C) in May to a warm 79.9°F (26.6°C). Weather in June »Weather in July
July, like June, in Saint Leonard, Pennsylvania, is another warm summer month, with an average temperature varying between 67.5°F (19.7°C) and 85.6°F (29.8°C). The warmest period tends to be July, when average temperatures fluctuate between a high of 85.6°F (29.8°C) and a low of 67.5°F (19.7°C). July's average heat index is evaluated at a sweltering 95°F (35°C). Weather in July »Weather in August
August, the last month of the summer in Saint Leonard, is another warm month, with temperature in the range of an average high of 83.3°F (28.5°C) and an average low of 66.2°F (19°C). With the advent of August, Saint Leonard experiences an average high-temperature of a still warm 83.3°F (28.5°C), mirroring a close resemblance to the previous month. Weather in August »Weather in September
September, the first month of the autumn in Saint Leonard, is also a moderately hot month, with temperature in the range of an average high of 76.3°F (24.6°C) and an average low of 59.4°F (15.2°C). The transition into September involves a small decrease in the average high-temperature, dipping slightly from a warm 83.3°F (28.5°C) in August to a still moderately hot 76.3°F (24.6°C). Weather in September »Weather in October
October, like September, in Saint Leonard, Pennsylvania, is another comfortable autumn month, with an average temperature varying between 63.9°F (17.7°C) and 49.1°F (9.5°C). October is characterized by a reduction in the average high-temperature, from a warm 76.3°F (24.6°C) in September to a comfortable 63.9°F (17.7°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Saint Leonard, Pennsylvania, with an average temperature ranging between max 52°F (11.1°C) and min 38.1°F (3.4°C). As October transitions to November, the average high-temperature falls from an enjoyable 63.9°F (17.7°C) to a fresh 52°F (11.1°C). Weather in November »Weather in December
December, the first month of the winter in Saint Leonard, is still a chilly month, with an average temperature fluctuating between 31.1°F (-0.5°C) and 42.8°F (6°C). The shift to December brings a decrease in the average high-temperature, falling from a fresh 52°F (11.1°C) in November to a chilly 42.8°F (6°C). Weather in December »Updated: Jun 23, 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
During the coldest month in Saint Leonard, January, temperatures average a high of 36.9°F (2.7°C) and a low of 24.3°F (-4.3°C).
Throughout the year, there are 156 rainfall days, and 31.77" (807mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
Throughout the year, there are 24 snowfall days, and 12.13" (308mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The months with the highest humidity are February and October, with an average relative humidity of 78%.
February has the least sunshine of the year, with an average of 4.7h of sunshine.
March is the month with the most snowfall. Snow falls for 4.7 days and accumulates 3.78" (96mm) of snow.
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.
April, July and August, with an average relative humidity of 72%, are the least humid months.
May through August, with an average maximum UV index of 6, are months with the highest UV index in Saint Leonard.
June through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 0min of daylight.
Saint Leonard's temperatures peak on average in July, reaching 85.6°F (29.8°C) at their highest and 67.5°F (19.7°C) at their lowest.
The month with the most sunshine is July, with an average of 10.6h of sunshine.
The month with the least rainfall is September, when the rain falls for 12.2 days and typically collects 1.89" (48mm) of precipitation.
The month with the most rainfall is December, when the rain falls for 10.7 days and typically aggregates up to 3.31" (84mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Saint Leonard, PA
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Saint Leonard, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"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 (29.93"Hg).
Average wind speed
Saint Leonard, PA
- Average wind speed in January:
8.1mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.3mph - Average wind speed in May:
6.7mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.4mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity
Saint Leonard, 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 (72%).
Average rainfall
Saint Leonard, PA
- Average rainfall in January:
2.2" - Average rainfall in February:
2.32" - Average rainfall in March:
2.87" - Average rainfall in April:
2.56" - Average rainfall in May:
2.83" - Average rainfall in June:
2.56"
- Average rainfall in July:
3.15" - Average rainfall in August:
3.03" - Average rainfall in September:
1.89" - Average rainfall in October:
2.64" - Average rainfall in November:
2.4" - Average rainfall in December:
3.31"
The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days
Saint Leonard, PA
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
9.7 days - Average rainfall days in March:
13.1 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
12.6 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (8.5 days).
Average snowfall
Saint Leonard, PA
- Average snowfall in January:
2.4" - Average snowfall in February:
3.19" - Average snowfall in March:
3.78" - Average snowfall in April:
0.31" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Saint Leonard, PA
- Average snowfall days in January:
7.3 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
4.7 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0.1 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:
0.1 days - Average snowfall days in November:
0.9 days - Average snowfall days in December:
3.6 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Saint Leonard, 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:
5h and 0min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 30min - 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 42min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 30min - Average sunshine in December:
5h and 0min
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 42min).
Average sunshine days
Saint Leonard, PA
- Average sunshine days in January:
17.7 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
13.4 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
14 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
16.7 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (11.4 days).
Average UV index
Saint Leonard, 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, March, November and December (UV index 2).
Average cloud cover
Saint Leonard, PA
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Saint Leonard, PA
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
