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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Slippery Rock, Pennsylvania, is another subzero cold winter month, with an average temperature fluctuating between 18.1°F (-7.7°C) and 31.3°F (-0.4°C). January tends to be the coldest month, with temperatures averaging a daily high of 31.3°F (-0.4°C) and a low of 18.1°F (-7.7°C). Weather in January »
Weather in February
February, the last month of the winter in Slippery Rock, is a cold month, with an average temperature varying between 20.3°F (-6.5°C) and 35.1°F (1.7°C). The arrival of February brings an average high-temperature of an icy 35.1°F (1.7°C), closely following the temperature pattern of January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Slippery Rock, Pennsylvania, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 28.6°F (-1.9°C). Slippery Rock's weather in March shows a rise in the average high-temperature, moving up from February's cold 35.1°F (1.7°C) to a chilly 45.1°F (7.3°C). Weather in March »
Weather in April
April in Slippery Rock, Pennsylvania, is a refreshing spring month, with an average temperature fluctuating between 57.9°F (14.4°C) and 38.8°F (3.8°C). Slippery Rock's transition into April is marked by a temperature shift, moving from a frosty 45.1°F (7.3°C) in March to a mild 57.9°F (14.4°C). Weather in April »
Weather in May
May, the last month of the spring in Slippery Rock, is an agreeable month, with an average temperature fluctuating between 49.3°F (9.6°C) and 70.2°F (21.2°C). As April gives way to May, the average high-temperature displays an increase, moving from a moderate 57.9°F (14.4°C) to a pleasant 70.2°F (21.2°C). Weather in May »
Weather in June
June, the first month of the summer in Slippery Rock, is a warm month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 76.8°F (24.9°C). The shift from May to June is marked by a slight increase in the average high-temperature, moving from an agreeable 70.2°F (21.2°C) to a warm 76.8°F (24.9°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Slippery Rock, Pennsylvania, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 81.1°F (27.3°C). July, known for its average high temperature of 81.1°F (27.3°C) and an average low temperature of 60.1°F (15.6°C), is the warmest month. The heat index value for July is computed to be a hot 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Slippery Rock, Pennsylvania, with an average temperature fluctuating between 58.3°F (14.6°C) and 79.7°F (26.5°C). The arrival of August sees an average high-temperature of a still warm 79.7°F (26.5°C), hardly diverging from July's 81.1°F (27.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Slippery Rock, Pennsylvania, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 53.6°F (12°C). September's arrival aligns with a minor decrease in average high-temperatures, from August's moderately hot 79.7°F (26.5°C) to a still warm 73.4°F (23°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Slippery Rock, Pennsylvania, with temperature in the range of an average high of 60.1°F (15.6°C) and an average low of 43.7°F (6.5°C). During the transition into October, Slippery Rock observes a decrease in the average high-temperature, falling from a moderately hot 73.4°F (23°C) in September to a mild 60.1°F (15.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Slippery Rock, is also a frosty month, with temperature in the range of an average high of 47.1°F (8.4°C) and an average low of 32.7°F (0.4°C). With the onset of November, Slippery Rock experiences a modest temperature adjustment, with the average high-temperature receding from a moderate 60.1°F (15.6°C) in October to a chilly 47.1°F (8.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Slippery Rock, Pennsylvania, with an average temperature ranging between min 26.2°F (-3.2°C) and max 37.2°F (2.9°C). Slippery Rock, Pennsylvania, in December experiences a subtle temperature decline, with average high-temperatures reducing from a chilly 47.1°F (8.4°C) in November to a cold 37.2°F (2.9°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Slippery Rock?
The month of January, characterized by an average high of 31.3°F (-0.4°C) and a low of 18.1°F (-7.7°C), is recognized as the coldest.
How many days does it rain in Slippery Rock?
Throughout the year, there are 177.8 rainfall days, and 36.65" (931mm) of precipitation is accumulated.
When does it snow in Slippery Rock?
January through May, October through December are months with snowfall in Slippery Rock.
What is the snowiest month in Slippery Rock?
January is the month with the most snowfall. Snow falls for 19.1 days and accumulates 8.54" (217mm) of snow.
How many days does it snow in Slippery Rock?
Throughout the year, in Slippery Rock, Pennsylvania, there are 75.3 snowfall days, and 32.05" (814mm) of snow is accumulated.
What is the month with the least sunshine in Slippery Rock?
January has the least sunshine of the year in Slippery Rock, with an average of 2.3h of sunshine.
What is the most humid month in Slippery Rock?
The most humid month in Slippery Rock, Pennsylvania, is February, with an average relative humidity of 88%.
When is Daylight Saving Time (DST) in Slippery Rock?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Slippery Rock, Pennsylvania, 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.
What are the least humid months in Slippery Rock?
April through August, with an average relative humidity of 79%, are the least humid months.
What is the wettest month in Slippery Rock?
The month with the most rainfall is April, when the rain falls for 17.6 days and typically aggregates up to 3.74" (95mm) of precipitation.
What is the month with the highest UV index in Slippery Rock?
The months with the highest UV index in Slippery Rock are May through August, with an average maximum UV index of 5.
When it does not snow in Slippery Rock?
June through September are months without snowfall in Slippery Rock.
When are the longest days in Slippery Rock?
The month with the longest days in Slippery Rock is June, with an average of 15h and 6min of daylight.
What are the warmest months in Slippery Rock?
Slippery Rock records the warmest temperatures in July, averaging a high of 81.1°F (27.3°C) and a low of 60.1°F (15.6°C).
What is the month with the most sunshine in Slippery Rock?
July and August, with an average of 9.7h of sunshine, are months with the most sunshine.
What is the driest month in Slippery Rock?
The month with the least rainfall in Slippery Rock is November, when the rain falls for 11.5 days and typically collects 2.36" (60mm) of precipitation.
What is the month with the shortest days in Slippery Rock?
The month with the shortest days in Slippery Rock, Pennsylvania, is December, with an average of 9h and 18min of daylight.
What is the month with the lowest UV index in Slippery Rock?
With an average maximum UV index of 1, December is the month with the lowest UV index in Slippery Rock, Pennsylvania.
Average temperature
Slippery Rock, PA
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.3°F).
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure
Slippery Rock, PA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"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:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.1"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
Slippery Rock, PA
- Average wind speed in January:
8.3mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.7mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity
Slippery Rock, PA
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May, June, July and August (79%).
Average rainfall
Slippery Rock, PA
- Average rainfall in January:
2.83" - Average rainfall in February:
2.72" - Average rainfall in March:
2.8" - Average rainfall in April:
3.74" - Average rainfall in May:
3.7" - Average rainfall in June:
3.66"
- Average rainfall in July:
3.5" - Average rainfall in August:
2.56" - Average rainfall in September:
2.68" - Average rainfall in October:
3.27" - Average rainfall in November:
2.36" - Average rainfall in December:
2.83"
The wettest month (with the highest rainfall) is April (3.74").
The driest month (with the least rainfall) is November (2.36").
Average rainfall days
Slippery Rock, PA
- Average rainfall days in January:
8.1 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
13.7 days - Average rainfall days in April:
17.6 days - Average rainfall days in May:
19.8 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
19.3 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
15.8 days - Average rainfall days in October:
16.9 days - Average rainfall days in November:
11.5 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (8.1 days).
Average snowfall
Slippery Rock, PA
- Average snowfall in January:
8.54" - Average snowfall in February:
8.03" - Average snowfall in March:
3.94" - Average snowfall in April:
1.18" - Average snowfall in May:
0.35" - Average snowfall in June:
0"
The month with the highest snowfall is January (8.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Slippery Rock, PA
- Average snowfall days in January:
19.1 days - Average snowfall days in February:
16.9 days - Average snowfall days in March:
10.6 days - Average snowfall days in April:
4.1 days - Average snowfall days in May:
0.5 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:
0.7 days - Average snowfall days in November:
7.8 days - Average snowfall days in December:
15.6 days
The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Slippery Rock, PA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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:
2h and 2min - Average sunshine in February:
2h and 5min - Average sunshine in March:
4h and 5min - Average sunshine in April:
6h and 5min - Average sunshine in May:
8h and 2min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 0min - Average sunshine in October:
4h and 4min - Average sunshine in November:
4h and 2min - Average sunshine in December:
2h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days
Slippery Rock, PA
- Average sunshine days in January:
7.3 days - Average sunshine days in February:
6.3 days - Average sunshine days in March:
10 days - Average sunshine days in April:
9.4 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
11.5 days - Average sunshine days in September:
12.5 days - Average sunshine days in October:
12.2 days - Average sunshine days in November:
13.1 days - Average sunshine days in December:
9.3 days
The month with the most sunshine days is November (13.1 days).
The month with the least sunshine days is February (6.3 days).
Average UV index
Slippery Rock, PA
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Slippery Rock, PA
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility
Slippery Rock, PA
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Slippery Rock, Pennsylvania, USA
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