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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, like December, in Rook, Pennsylvania, is another cold winter month, with temperature in the range of an average high of 33.4°F (0.8°C) and an average low of 20.8°F (-6.2°C). January, with its high-temperature average of 33.4°F (0.8°C) and a low-temperature average of 20.8°F (-6.2°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Rook, Pennsylvania, with temperature in the range of an average high of 37.8°F (3.2°C) and an average low of 23.4°F (-4.8°C). February brings an average high-temperature of a still icy 37.8°F (3.2°C), nearly identical to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Rook, Pennsylvania, with an average temperature fluctuating between 47.8°F (8.8°C) and 31.5°F (-0.3°C). March indicates a change in the average high-temperature, moving up from a wintry 37.8°F (3.2°C) in February to a chilly 47.8°F (8.8°C). Weather in March »
Weather in April
April in Rook, Pennsylvania, is a refreshing spring month, with an average temperature fluctuating between 41.7°F (5.4°C) and 60.6°F (15.9°C). As March transitions into April, Rook sees a rise in the average high-temperature, moving from a frosty 47.8°F (8.8°C) to a refreshing 60.6°F (15.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Rook, Pennsylvania, with an average temperature ranging between max 72.3°F (22.4°C) and min 51.4°F (10.8°C). May witnesses an increase in the average high-temperature, moving from a mild 60.6°F (15.9°C) in April to a pleasant 72.3°F (22.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Rook, Pennsylvania, with an average temperature fluctuating between 58.6°F (14.8°C) and 79.3°F (26.3°C). June's onset brings a subtle temperature rise, moving from a pleasant 72.3°F (22.4°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Rook, Pennsylvania, with an average temperature varying between 83.8°F (28.8°C) and 63°F (17.2°C). The average temperatures reach their apex in July, averaging 83.8°F (28.8°C) at the high end and 63°F (17.2°C) at the low end. July's average heat index is estimated at a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Rook, is another warm month, with an average temperature varying between 82.2°F (27.9°C) and 61.2°F (16.2°C). Rook records a slight change with August's average high-temperatures adjusting to a still moderately hot 82.2°F (27.9°C) from July's 83.8°F (28.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Rook, is still a warm month, with an average temperature varying between 75.7°F (24.3°C) and 55.9°F (13.3°C). September's onset brings a negligible change in high-temperatures, falling from a moderately hot 82.2°F (27.9°C) in August to a still warm 75.7°F (24.3°C). Weather in September »
Weather in October
October, like September, in Rook, Pennsylvania, is another enjoyable autumn month, with temperature in the range of an average high of 62.1°F (16.7°C) and an average low of 45.5°F (7.5°C). October's onset brings a slight change in high-temperatures, falling from a warm 75.7°F (24.3°C) in September to a refreshing 62.1°F (16.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Rook, Pennsylvania, with temperature in the range of an average high of 49.3°F (9.6°C) and an average low of 34.3°F (1.3°C). Stepping into November, Rook observes a temperature decline, with the average high falling from October's comfortable 62.1°F (16.7°C) to a frosty 49.3°F (9.6°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Rook, Pennsylvania, with an average temperature ranging between min 28.2°F (-2.1°C) and max 39.7°F (4.3°C). December shows a mild decline in the average high-temperature, falling from November's frosty 49.3°F (9.6°C) to a cold 39.7°F (4.3°C). Weather in December »
Updated: Jun 8, 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
What time of the year is the coldest?
The coldest period is January, when temperatures fluctuate between an average high of 33.4°F (0.8°C) and a low of 20.8°F (-6.2°C).
What are the most humid months?
January and February, with an average relative humidity of 84%, are most humid months.
How many days does it rain?
In Rook, during the entire year, the rain falls for 164 days and collects up to 26.89" (683mm) of precipitation.
When does it snow?
January through April, October through December are months with snowfall.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 16.3 days and accumulates 3.46" (88mm) of snow.
How much does it snow?
Throughout the year, there are 53.3 snowfall days, and 13.27" (337mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 2.9h of sunshine, January has the least sunshine of the year.
When is Daylight Saving Time (DST)?
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.
What is the wettest month?
The month with the most rainfall is May, when the rain falls for 18.4 days and typically aggregates up to 3.07" (78mm) of precipitation.
When it does not snow?
May through September are months without snowfall.
When are the longest days?
The month with the longest days in Rook is June, with an average of 15h and 0min of daylight.
What are the months with the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What are the warmest months?
In Rook, July is identified by the average highest temperatures, reaching a peak of 83.8°F (28.8°C) and a low of 63°F (17.2°C).
What is the least humid month in Rook?
The least humid month is August, with an average relative humidity of 73%.
What month has the most sunshine?
August has the most sunshine of the year, with an average of 10.1h of sunshine.
What is the driest month?
November is the month with the least rainfall. Rain falls for 10 days and accumulates 1.61" (41mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days in Rook is December, with an average of 9h and 18min of daylight.
What is the month with the lowest UV index?
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Rook, PA
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure
Rook, 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
Rook, PA
- Average wind speed in January:
7.9mph - Average wind speed in February:
7.6mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.4mph - Average wind speed in May:
6mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - 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 (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Rook, PA
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (73%).
Average rainfall
Rook, PA
- Average rainfall in January:
1.65" - Average rainfall in February:
1.85" - Average rainfall in March:
1.97" - Average rainfall in April:
2.8" - Average rainfall in May:
3.07" - Average rainfall in June:
2.76"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days
Rook, PA
- Average rainfall days in January:
8.5 days - Average rainfall days in February:
8.9 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
16.6 days - Average rainfall days in May:
18.4 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
14.3 days - Average rainfall days in November:
10 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).
Average snowfall
Rook, PA
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Rook, PA
- Average snowfall days in January:
16.3 days - Average snowfall days in February:
11.9 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
1.8 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:
0.3 days - Average snowfall days in November:
3.9 days - Average snowfall days in December:
11.8 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Rook, 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 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - 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 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
2h and 5min - Average sunshine in February:
3h and 3min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 4min - Average sunshine in December:
3h and 2min
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 54min).
Average sunshine days
Rook, PA
- Average sunshine days in January:
9.7 days - Average sunshine days in February:
9.5 days - Average sunshine days in March:
11.9 days - Average sunshine days in April:
10.9 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
13 days - Average sunshine days in September:
14 days - Average sunshine days in October:
14.4 days - Average sunshine days in November:
16.4 days - Average sunshine days in December:
11 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is February (9.5 days).
Average UV index
Rook, PA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Rook, PA
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Rook, 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).
Rook, Pennsylvania, USA
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