Climate and monthly weather forecastSlatefield, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Slatefield, Pennsylvania, with temperature in the range of an average low of 20.3°F (-6.5°C) and an average high of 32.5°F (0.3°C). Slatefield's January weather reaches an average high of 32.5°F (0.3°C) and an average low of 20.3°F (-6.5°C), making it the coldest month. Weather in January »Weather in February
February, the last month of the winter in Slatefield, is also a wintry month, with an average temperature ranging between max 36.5°F (2.5°C) and min 22.3°F (-5.4°C). The transition into February is marked with an average high-temperature of a still icy 36.5°F (2.5°C), showing an insignificant shift from January's 32.5°F (0.3°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Slatefield, Pennsylvania, with an average temperature varying between 29.1°F (-1.6°C) and 44.2°F (6.8°C). March marks a minor ascent in the average high-temperature, adjusting from February's icy 36.5°F (2.5°C) to a chilly 44.2°F (6.8°C). Weather in March »Weather in April
April in Slatefield, Pennsylvania, is a refreshing spring month, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 56.8°F (13.8°C). As April arrives, Slatefield's weather shows an increase in high-temperatures, moving from March's chilly 44.2°F (6.8°C) to a moderate 56.8°F (13.8°C). Weather in April »Weather in May
May, the last month of the spring in Slatefield, is an agreeable month, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 68.2°F (20.1°C). In May, the meteorological conditions change with the average high-temperature moving from a mild 56.8°F (13.8°C) in April to an agreeable 68.2°F (20.1°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Slatefield, Pennsylvania, with an average temperature ranging between max 75.7°F (24.3°C) and min 56.5°F (13.6°C). Slatefield in June observes a minor temperature shift, with average high-temperatures adjusting from an agreeable 68.2°F (20.1°C) in May to a warm 75.7°F (24.3°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Slatefield, Pennsylvania, with an average temperature fluctuating between 61.9°F (16.6°C) and 81.5°F (27.5°C). July registers as the month with the highest average temperatures, reaching 81.5°F (27.5°C) at its peak and 61.9°F (16.6°C) at the lowest. The average heat index in July is estimated at a tropical 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Slatefield, is also a moderately hot month, with an average temperature ranging between min 60.1°F (15.6°C) and max 79.3°F (26.3°C). Slatefield registers an average high-temperature of a still warm 79.3°F (26.3°C) with the arrival of August, showing minor deviation from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Slatefield, is still a pleasant month, with an average temperature fluctuating between 72.9°F (22.7°C) and 53.8°F (12.1°C). The arrival of September is marked by a minor reduction in average high-temperature, sliding from a warm 79.3°F (26.3°C) in August to an agreeable 72.9°F (22.7°C). Weather in September »Weather in October
October, the same as September, in Slatefield, Pennsylvania, is another refreshing autumn month, with an average temperature varying between 60.3°F (15.7°C) and 44.6°F (7°C). October's arrival comes with a decrease in the average high-temperature, moving from an agreeable 72.9°F (22.7°C) in September to a mild 60.3°F (15.7°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Slatefield, Pennsylvania, with an average temperature varying between 33.8°F (1°C) and 48.2°F (9°C). The shift to November brings a decrease in the average high-temperature, falling from a refreshing 60.3°F (15.7°C) in October to a frosty 48.2°F (9°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Slatefield, Pennsylvania, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 38.3°F (3.5°C). The beginning of December involves a decrease in the average high-temperature, transitioning from a chilly 48.2°F (9°C) in November to a cold 38.3°F (3.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Slatefield, PA
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure
Slatefield, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"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
Slatefield, PA
- Average wind speed in January:
8.1mph - Average wind speed in February:
8mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8mph - Average wind speed in May:
6.3mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.7mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Slatefield, PA
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall
Slatefield, PA
- Average rainfall in January:
2.17" - Average rainfall in February:
2.09" - Average rainfall in March:
2.4" - Average rainfall in April:
2.68" - Average rainfall in May:
2.87" - Average rainfall in June:
2.4"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.8" - Average rainfall in September:
1.77" - Average rainfall in October:
2.48" - Average rainfall in November:
2.28" - Average rainfall in December:
2.48"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days
Slatefield, PA
- Average rainfall days in January:
7.6 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
15.5 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
13 days - Average rainfall days in November:
10.1 days - Average rainfall days in December:
11.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.6 days).
Average snowfall
Slatefield, PA
- Average snowfall in January:
4.41" - Average snowfall in February:
4.13" - Average snowfall in March:
4.41" - Average snowfall in April:
0.28" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The months with the highest snowfall are January and March (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Slatefield, PA
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
7.2 days - Average snowfall days in April:
1.5 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:
0.2 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
4.6 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Slatefield, PA
- Average daylight in January:
9h and 36min - 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 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 30min - 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 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 30min - Average sunshine in February:
4h and 18min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 12min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days
Slatefield, PA
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
12.2 days - Average sunshine days in March:
12.7 days - Average sunshine days in April:
12 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
15.8 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).
Average UV index
Slatefield, PA
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Slatefield, PA
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility
Slatefield, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





