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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, is a wintry winter month in Grantville, Pennsylvania, with an average temperature fluctuating between 33.6°F (0.9°C) and 21.2°F (-6°C). Grantville's January weather, marked by an average high temperature of 33.6°F (0.9°C) and an average low temperature of 21.2°F (-6°C), is the coldest in the year. Weather in January »
Weather in February
February, the last month of the winter in Grantville, is also an icy month, with an average temperature varying between 22.8°F (-5.1°C) and 37.4°F (3°C). With the advent of February, Grantville experiences an average high-temperature of a still icy 37.4°F (3°C), mirroring a close resemblance to the previous month. Weather in February »
Weather in March
March, the first month of the spring in Grantville, is a frosty month, with an average temperature fluctuating between 30.7°F (-0.7°C) and 46.9°F (8.3°C). March marks a rise in the average high-temperature, moving from February's icy 37.4°F (3°C) to a chilly 46.9°F (8.3°C). Weather in March »
Weather in April
April is a moderate spring month in Grantville, Pennsylvania, with an average temperature varying between 58.8°F (14.9°C) and 40.6°F (4.8°C). April's arrival is marked by an increase in the average high-temperature, moving from a frosty 46.9°F (8.3°C) in March to a moderate 58.8°F (14.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Grantville, Pennsylvania, with temperature in the range of an average low of 50.7°F (10.4°C) and an average high of 68.7°F (20.4°C). In Grantville, stepping into May brings a temperature increase, moving up from April's refreshing 58.8°F (14.9°C) to a pleasant 68.7°F (20.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Grantville, Pennsylvania, with an average temperature varying between 76.6°F (24.8°C) and 57.7°F (14.3°C). The shift from May to June is marked by a slight increase in the average high-temperature, moving from a pleasant 68.7°F (20.4°C) to a moderately hot 76.6°F (24.8°C). Weather in June »
Weather in July
July, like June, in Grantville, Pennsylvania, is another warm summer month, with an average temperature ranging between max 82°F (27.8°C) and min 62.4°F (16.9°C). Grantville records the warmest temperatures in July, averaging a high of 82°F (27.8°C) and a low of 62.4°F (16.9°C). Throughout July, the heat index is estimated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Grantville, Pennsylvania, with an average temperature varying between 60.6°F (15.9°C) and 79.7°F (26.5°C). The transition from July to August brings an average high-temperature of a still warm 79.7°F (26.5°C), barely different from July's 82°F (27.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Grantville, is also an agreeable month, with an average temperature ranging between min 54.9°F (12.7°C) and max 73.2°F (22.9°C). September's arrival signals a moderate reduction in the average high-temperature, easing from a moderately hot 79.7°F (26.5°C) in August to a pleasant 73.2°F (22.9°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Grantville, Pennsylvania, with an average temperature ranging between max 61.7°F (16.5°C) and min 45.3°F (7.4°C). Grantville's transition into October involves a shift in temperature, receding from a pleasant 73.2°F (22.9°C) in September to a refreshing 61.7°F (16.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Grantville, Pennsylvania, with an average temperature ranging between max 49.5°F (9.7°C) and min 34.7°F (1.5°C). Grantville's November weather features a mild decline in high-temperatures, reducing from a refreshing 61.7°F (16.5°C) in October to a chilly 49.5°F (9.7°C). Weather in November »
Weather in December
December, the first month of the winter in Grantville, is also an icy month, with temperature in the range of an average high of 39.9°F (4.4°C) and an average low of 28.8°F (-1.8°C). Grantville's average high-temperature decreases in December, falling from a frosty 49.5°F (9.7°C) in November to an icy 39.9°F (4.4°C). Weather in December »
Updated: Aug 13, 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 are the coldest months?
January, characterized by an average high temperature of 33.6°F (0.9°C) and a low temperature of 21.2°F (-6°C), is generally the coldest month.
How much does it rain?
Throughout the year, there are 166.3 rainfall days, and 34.53" (877mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 10.1 days and typically aggregates up to 5.08" (129mm) of snow.
How much does it snow in Grantville?
In Grantville, during the entire year, snow falls for 32.4 days and aggregates up to 16.69" (424mm) 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 is the most humid month?
February, May, June and October, with an average relative humidity of 81%, are most humid months.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 4.3h of sunshine.
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 least humid month?
With an average relative humidity of 76%, April is the least humid month in Grantville.
What is the rainiest month?
The wettest months are May and July, with an average 3.58" (91mm) of rainfall.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
With an average of 15h and 0min of daylight, June has the longest days of the year.
When is the highest UV index?
With an average maximum UV index of 6, June is the month with the highest UV index.
What is the warmest month?
Grantville witnesses the warmest weather in July, with temperatures averaging a high of 82°F (27.8°C) and a low of 62.4°F (16.9°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.2h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 2.32" (59mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Grantville, PA
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.6°F).
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure
Grantville, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.08"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:
29.97"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Grantville, PA
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.4mph - Average wind speed in March:
8.7mph - Average wind speed in April:
8.6mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Grantville, PA
The months with the highest relative humidity are February, May, June and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Grantville, PA
- Average rainfall in January:
2.52" - Average rainfall in February:
2.4" - Average rainfall in March:
2.52" - Average rainfall in April:
3.15" - Average rainfall in May:
3.58" - Average rainfall in June:
2.8"
- Average rainfall in July:
3.58" - Average rainfall in August:
3.54" - Average rainfall in September:
2.32" - Average rainfall in October:
2.95" - Average rainfall in November:
2.48" - Average rainfall in December:
2.68"
The wettest months (with the highest rainfall) are May and July (3.58").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days
Grantville, PA
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
18.6 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
13.8 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
11 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (9.1 days).
Average snowfall
Grantville, PA
The month with the highest snowfall is January (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Grantville, PA
- Average snowfall days in January:
10.1 days - Average snowfall days in February:
8.2 days - Average snowfall days in March:
5.7 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0.2 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:
1.5 days - Average snowfall days in December:
5.9 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grantville, 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 18min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 0min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 1min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days
Grantville, PA
- Average sunshine days in January:
14.7 days - Average sunshine days in February:
11.8 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
11.2 days - Average sunshine days in May:
10.1 days - Average sunshine days in June:
11.5 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
12.4 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
14.9 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
14.8 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10.1 days).
Average UV index
Grantville, PA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Grantville, PA
The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility
Grantville, PA
The months with the highest visibility are March, April, June, July and November (6mi).
The months with the lowest visibility are January, February, May, August, September, October and December (5mi).
Grantville, Pennsylvania, USA
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