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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 Grassflat, Pennsylvania, is another subzero cold winter month, with temperature in the range of an average high of 30.6°F (-0.8°C) and an average low of 18°F (-7.8°C). In Grassflat, the month of January is known for its lowest average temperatures, reaching a high of 30.6°F (-0.8°C) and a low of 18°F (-7.8°C). Weather in January »
Weather in February
February, the last month of the winter in Grassflat, is a wintry month, with an average temperature ranging between min 20.3°F (-6.5°C) and max 34.5°F (1.4°C). With the advent of February, Grassflat's high-temperatures adjust to an icy 34.5°F (1.4°C), closely aligning with the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Grassflat, Pennsylvania, with temperature in the range of an average high of 44.1°F (6.7°C) and an average low of 28°F (-2.2°C). As Grassflat transitions into March, the average high-temperature shows a change, moving from an icy 34.5°F (1.4°C) in February to a frosty 44.1°F (6.7°C). Weather in March »
Weather in April
April is a mild spring month in Grassflat, Pennsylvania, with an average temperature fluctuating between 56.5°F (13.6°C) and 37.9°F (3.3°C). April's arrival signals an increase in average high-temperatures, moving from March's frosty 44.1°F (6.7°C) to a mild 56.5°F (13.6°C). Weather in April »
Weather in May
May, the last month of the spring in Grassflat, is an agreeable month, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 68.5°F (20.3°C). May brings a rise in the average high-temperature, transitioning from April's mild 56.5°F (13.6°C) to an agreeable 68.5°F (20.3°C). Weather in May »
Weather in June
June, the first month of the summer in Grassflat, is a warm month, with an average temperature ranging between max 76.3°F (24.6°C) and min 54.5°F (12.5°C). The start of June brings a subtle shift in the average high-temperature, edging up from May's agreeable 68.5°F (20.3°C) to a warm 76.3°F (24.6°C). Weather in June »
Weather in July
July, like June, in Grassflat, Pennsylvania, is another warm summer month, with an average temperature varying between 59.2°F (15.1°C) and 81.3°F (27.4°C). July, known for its average high temperature of 81.3°F (27.4°C) and an average low temperature of 59.2°F (15.1°C), is the warmest month. July's heat index is estimated at a hot 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Grassflat, is another warm month, with an average temperature varying between 56.8°F (13.8°C) and 79.3°F (26.3°C). As Grassflat welcomes August, the average high-temperature stabilizes at a still moderately hot 79.3°F (26.3°C), showing little deviation from July's 81.3°F (27.4°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Grassflat, Pennsylvania, with an average temperature varying between 72.3°F (22.4°C) and 52°F (11.1°C). As September begins, there is a minor decrease in the average high-temperature, softly falling from a moderately hot 79.3°F (26.3°C) in August to an agreeable 72.3°F (22.4°C). Weather in September »
Weather in October
October, the same as September, in Grassflat, Pennsylvania, is another refreshing autumn month, with an average temperature ranging between min 42.6°F (5.9°C) and max 59°F (15°C). October's arrival coincides with a drop in the average high-temperature, decreasing from September's agreeable 72.3°F (22.4°C) to a moderate 59°F (15°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Grassflat, Pennsylvania, with an average temperature varying between 31.8°F (-0.1°C) and 45.9°F (7.7°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's mild 59°F (15°C) to a chilly 45.9°F (7.7°C). Weather in November »
Weather in December
December, the first month of the winter in Grassflat, is also a wintry month, with an average temperature ranging between max 36.3°F (2.4°C) and min 25.9°F (-3.4°C). Stepping into December, Grassflat observes a temperature decline, with the average high falling from November's chilly 45.9°F (7.7°C) to a wintry 36.3°F (2.4°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Grassflat?
Temperature readings reach their annual highs in January, averaging 30.6°F (-0.8°C) and a minimum average of 18°F (-7.8°C).
How much does it rain in Grassflat?
In Grassflat, during the entire year, the rain falls for 159 days and collects up to 23.46" (596mm) of precipitation.
When does it snow in Grassflat?
January through May, October through December are months with snowfall in Grassflat.
When does it snow the most in Grassflat?
January is the month with the most snowfall in Grassflat. Snow falls for 18.3 days and accumulates 6.02" (153mm) of snow.
How many days does it snow in Grassflat?
Throughout the year, there are 67.7 snowfall days, and 23.54" (598mm) of snow is accumulated.
What is the month with the least sunshine in Grassflat?
With an average of 3.4h of sunshine, January has the least sunshine of the year in Grassflat.
What is the most humid month in Grassflat?
February is the most humid month in Grassflat, with an average relative humidity of 85%.
When is Daylight Saving Time (DST) in Grassflat?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Grassflat, 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 rainiest month in Grassflat?
May is the month with the most rainfall in Grassflat. Rain falls for 17.9 days and accumulates 2.87" (73mm) of precipitation.
When is the highest UV index in Grassflat?
The months with the highest UV index are May through August, with an average maximum UV index of 5.
When it does not snow in Grassflat?
June through September are months without snowfall in Grassflat.
When are the longest days in Grassflat?
June has the longest days of the year in Grassflat, Pennsylvania, with an average of 15h and 6min of daylight.
What is the warmest month in Grassflat?
July registers as the month with the average highest temperatures in Grassflat, reaching 81.3°F (27.4°C) at its peak and 59.2°F (15.1°C) at the lowest.
What is the least humid month in Grassflat?
July is the least humid month in Grassflat, Pennsylvania, with an average relative humidity of 76%.
What are the months with the most sunshine in Grassflat?
The months with the most sunshine in Grassflat are July and August, with an average of 9.9h of sunshine.
What is the driest month in Grassflat?
November is the month with the least rainfall in Grassflat. Rain falls for 10.5 days and accumulates 1.42" (36mm) of precipitation.
What is the month with the shortest days in Grassflat?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
What is the month with the lowest UV index in Grassflat?
The month with the lowest UV index in Grassflat is December, with an average maximum UV index of 1.
Average temperature
Grassflat, PA
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure
Grassflat, 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:
29.98"Hg - Average pressure in May:
30.01"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:
30.06"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 (29.95"Hg).
Average wind speed
Grassflat, PA
- Average wind speed in January:
8.5mph - Average wind speed in February:
8.2mph - Average wind speed in March:
7.8mph - Average wind speed in April:
8mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5mph - 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:
7.9mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Grassflat, PA
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (76%).
Average rainfall
Grassflat, PA
- Average rainfall in January:
1.57" - Average rainfall in February:
1.69" - Average rainfall in March:
1.77" - Average rainfall in April:
2.72" - Average rainfall in May:
2.87" - Average rainfall in June:
2.24"
- Average rainfall in July:
2.2" - Average rainfall in August:
1.57" - Average rainfall in September:
1.65" - Average rainfall in October:
2.17" - Average rainfall in November:
1.42" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days
Grassflat, PA
- Average rainfall days in January:
8.1 days - Average rainfall days in February:
8.7 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
17.9 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
14.7 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (8.1 days).
Average snowfall
Grassflat, PA
- Average snowfall in January:
6.02" - Average snowfall in February:
5.71" - Average snowfall in March:
3.27" - Average snowfall in April:
1.02" - Average snowfall in May:
0.67" - Average snowfall in June:
0"
The month with the highest snowfall is January (6.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Grassflat, PA
- Average snowfall days in January:
18.3 days - Average snowfall days in February:
13.8 days - Average snowfall days in March:
9.2 days - Average snowfall days in April:
3.3 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:
1.5 days - Average snowfall days in November:
7.3 days - Average snowfall days in December:
13.8 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grassflat, 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:
3h and 2min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days
Grassflat, PA
- Average sunshine days in January:
9.7 days - Average sunshine days in February:
8.7 days - Average sunshine days in March:
12.1 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
11 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
14.2 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
14.2 days - Average sunshine days in November:
14.1 days - Average sunshine days in December:
10.5 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (8.7 days).
Average UV index
Grassflat, 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
Grassflat, PA
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility
Grassflat, PA
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Grassflat, Pennsylvania, USA
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