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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 Graterford, Pennsylvania, is a wintry winter month, with an average temperature ranging between min 23.2°F (-4.9°C) and max 35.4°F (1.9°C). January, known for its average high temperature of 35.4°F (1.9°C) and an average low temperature of 23.2°F (-4.9°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Graterford, is another cold month, with an average temperature fluctuating between 39.4°F (4.1°C) and 25°F (-3.9°C). The transition from January to February sees an average high-temperature of a still icy 39.4°F (4.1°C), indicating a minor variance from the prior month. Weather in February »
Weather in March
March, the first month of the spring in Graterford, is a frosty month, with temperature in the range of an average low of 32.4°F (0.2°C) and an average high of 47.8°F (8.8°C). A soft shift in the average high-temperature is noticeable in March, transitioning from a wintry 39.4°F (4.1°C) in February to a chilly 47.8°F (8.8°C). Weather in March »
Weather in April
April in Graterford, Pennsylvania, is a mild spring month, with an average temperature ranging between max 60.3°F (15.7°C) and min 42.3°F (5.7°C). April witnesses an increase in the average high-temperature, moving from a chilly 47.8°F (8.8°C) in March to a moderate 60.3°F (15.7°C). Weather in April »
Weather in May
May, the last month of the spring in Graterford, is a pleasant month, with an average temperature fluctuating between 52.3°F (11.3°C) and 70.7°F (21.5°C). As April transitions into May, a change in temperatures is observed, with average highs moving from a refreshing 60.3°F (15.7°C) to an agreeable 70.7°F (21.5°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Graterford, Pennsylvania, with an average temperature ranging between max 78.6°F (25.9°C) and min 60.1°F (15.6°C). Graterford in June denotes a subtle temperature transition, adjusting from an average high of an agreeable 70.7°F (21.5°C) in May to a moderately hot 78.6°F (25.9°C). Weather in June »
Weather in July
July, like June, in Graterford, Pennsylvania, is a moderately hot summer month, with an average temperature varying between 84.2°F (29°C) and 65.5°F (18.6°C). In Graterford, Pennsylvania, July is the warmest month, with temperatures averaging a high of 84.2°F (29°C) and a low of 65.5°F (18.6°C). The heat index for July is estimated at a tropical 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Graterford, is also a moderately hot month, with an average temperature varying between 81.9°F (27.7°C) and 63.9°F (17.7°C). With August's advent, Graterford sees an average high-temperature of a still moderately hot 81.9°F (27.7°C), subtly shifted from July's 84.2°F (29°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Graterford, Pennsylvania, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 57.2°F (14°C). In Graterford, the average high-temperature in September gently drops from a warm 81.9°F (27.7°C) in August to a still moderately hot 75.2°F (24°C). Weather in September »
Weather in October
October, like September, in Graterford, Pennsylvania, is another enjoyable autumn month, with an average temperature varying between 63°F (17.2°C) and 47.5°F (8.6°C). The commencement of October indicates a shift in the average high-temperature, receding from September's moderately hot 75.2°F (24°C) to an enjoyable 63°F (17.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Graterford, Pennsylvania, with an average temperature varying between 50.7°F (10.4°C) and 37°F (2.8°C). In the transition to November, Graterford observes a drop in the average high-temperature, moving from an enjoyable 63°F (17.2°C) in October to a cool 50.7°F (10.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Graterford, Pennsylvania, with temperature in the range of an average high of 41.5°F (5.3°C) and an average low of 30.2°F (-1°C). December's onset brings a reduction in the average high-temperature, from a cool 50.7°F (10.4°C) in November to an icy 41.5°F (5.3°C). Weather in December »
Updated: Aug 20, 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 is the coldest month?
January brings the lowest temperatures, with an average high of 35.4°F (1.9°C) and an average low of 23.2°F (-4.9°C).
How much does it rain?
In Graterford, during the entire year, the rain falls for 146.5 days and collects up to 27.87" (708mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
How many days does it snow in Graterford?
In Graterford, during the entire year, snow falls for 19.1 days and aggregates up to 11.54" (293mm) of snow.
What is the month with the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What are the most humid months?
The months with the highest humidity in Graterford, Pennsylvania, are February and October, with an average relative humidity of 80%.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.7h of sunshine.
What is the snowiest month?
March is the month with the most snowfall in Graterford. Snow falls for 4.5 days and accumulates 3.7" (94mm) of snow.
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 are the least humid months?
April and July, with an average relative humidity of 75%, are the least humid months.
When it does not snow?
May through October are months without snowfall.
What is the month with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What is the hottest time of year?
In Graterford, July is the warmest month, with temperatures averaging a high of 84.2°F (29°C) and a low of 65.5°F (18.6°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.6h of sunshine.
What is the rainiest month?
The month with the most rainfall is August, when the rain falls for 15.1 days and typically aggregates up to 3.15" (80mm) of precipitation.
What is the driest month?
The month with the least rainfall in Graterford is September, when the rain falls for 12.3 days and typically collects 1.81" (46mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Graterford, PA
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure
Graterford, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"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:
30.1"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
Graterford, PA
- Average wind speed in January:
8mph - Average wind speed in February:
7.9mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Graterford, PA
The months with the highest relative humidity are February and October (80%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall
Graterford, PA
- Average rainfall in January:
1.85" - Average rainfall in February:
1.85" - Average rainfall in March:
2.32" - Average rainfall in April:
2.28" - Average rainfall in May:
2.6" - Average rainfall in June:
2.48"
- Average rainfall in July:
2.99" - Average rainfall in August:
3.15" - Average rainfall in September:
1.81" - Average rainfall in October:
2.13" - Average rainfall in November:
2.09" - Average rainfall in December:
2.32"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days
Graterford, PA
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
17 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
9.5 days
The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is January (7.3 days).
Average snowfall
Graterford, PA
The month with the highest snowfall is March (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Graterford, PA
- Average snowfall days in January:
5.8 days - Average snowfall days in February:
5.3 days - Average snowfall days in March:
4.5 days - Average snowfall days in April:
0.3 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
2.7 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Graterford, 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:
10h and 0min - 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 24min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
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
Graterford, PA
- Average sunshine days in January:
18.7 days - Average sunshine days in February:
15.7 days - Average sunshine days in March:
15.2 days - Average sunshine days in April:
14 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
13.5 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
21 days - Average sunshine days in December:
19.4 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.3 days).
Average UV index
Graterford, 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
Graterford, PA
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Graterford, 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).
Graterford, Pennsylvania, USA
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