Expand
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, is another subzero cold winter month in Grampian, Pennsylvania, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 30.2°F (-1°C). January, with its average high-temperature of 30.2°F (-1°C) and an average low-temperature of 18°F (-7.8°C), holds the record as the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Grampian, is a cold month, with an average temperature varying between 19.9°F (-6.7°C) and 34.5°F (1.4°C). February's onset records an average high-temperature of a wintry 34.5°F (1.4°C), a near match to January's 30.2°F (-1°C). Weather in February »
Weather in March
March, the first month of the spring in Grampian, is a frosty month, with an average temperature varying between 43.9°F (6.6°C) and 27.7°F (-2.4°C). March marks a rise in the average high-temperature, moving from February's cold 34.5°F (1.4°C) to a frosty 43.9°F (6.6°C). Weather in March »
Weather in April
April is a refreshing spring month in Grampian, Pennsylvania, with temperature in the range of an average high of 56.1°F (13.4°C) and an average low of 37.6°F (3.1°C). Entering April, Grampian sees a temperature rise, with the average high-temperature advancing from March's chilly 43.9°F (6.6°C) to a moderate 56.1°F (13.4°C). Weather in April »
Weather in May
May, the last month of the spring in Grampian, is an agreeable month, with an average temperature ranging between max 68.4°F (20.2°C) and min 48°F (8.9°C). As Grampian transitions into May, the average high-temperature is observed to rise from a refreshing 56.1°F (13.4°C) in April to an agreeable 68.4°F (20.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Grampian, Pennsylvania, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 53.8°F (12.1°C). Grampian's June weather indicates a minor increase in high-temperatures, edging from May's pleasant 68.4°F (20.2°C) to a warm 75.7°F (24.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Grampian, Pennsylvania, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 81.1°F (27.3°C). Grampian's July weather, marked by an average high temperature of 81.1°F (27.3°C) and an average low temperature of 57.9°F (14.4°C), is the warmest in the year. July's heat index is evaluated at a tropical 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Grampian, is also a moderately hot month, with an average temperature fluctuating between 79°F (26.1°C) and 56.1°F (13.4°C). Grampian in August witnesses an average high-temperature of a still moderately hot 79°F (26.1°C), indicating a slight variation from July's 81.1°F (27.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Grampian, is also an agreeable month, with an average temperature varying between 72.1°F (22.3°C) and 51.6°F (10.9°C). September's onset introduces a mild reduction in the average high-temperature, from a warm 79°F (26.1°C) in August to a pleasant 72.1°F (22.3°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Grampian, Pennsylvania, with an average temperature varying between 59°F (15°C) and 42.8°F (6°C). In Grampian, entering October brings a temperature decrement, reducing from September's pleasant 72.1°F (22.3°C) to a refreshing 59°F (15°C). Weather in October »
Weather in November
November, the last month of the autumn in Grampian, is another chilly month, with an average temperature varying between 45.7°F (7.6°C) and 31.8°F (-0.1°C). Onset of November comes with a temperature decline, the average high falling from a mild 59°F (15°C) in October to a frosty 45.7°F (7.6°C). Weather in November »
Weather in December
December, the first month of the winter in Grampian, is also an icy month, with an average temperature fluctuating between 36.7°F (2.6°C) and 25.7°F (-3.5°C). The shift from November to December involves a decrease in the average high-temperature, from a chilly 45.7°F (7.6°C) to a cold 36.7°F (2.6°C). Weather in December »
Updated: Jun 4, 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?
The coldest time of the year is January, with temperatures averaging a high of 30.2°F (-1°C) and a low of 18°F (-7.8°C).
What is the driest month?
The months with the least rainfall are January and November Rain falls for 5.9 days and accumulates 1.06" (27mm) of rain.
How much does it rain?
Throughout the year, there are 136.6 rainfall days, and 18.54" (471mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How much does it snow?
Throughout the year, there are 46.2 snowfall days, and 14.45" (367mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 2.6h of sunshine.
What is the most humid month?
The most humid month is February, with an average relative humidity of 87%.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 10.3 days and typically aggregates up to 3.82" (97mm) 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 is the wettest month?
May is the month with the most rainfall in Grampian. Rain falls for 17.4 days and accumulates 2.28" (58mm) of precipitation.
What are the months with the highest UV index?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What part of the year is the hottest?
In Grampian, the peak temperatures are generally noted in July, averaging a high of 81.1°F (27.3°C) and a low of 57.9°F (14.4°C).
What is the least humid month?
With an average relative humidity of 77%, July is the least humid month.
What are the months with the most sunshine?
The months with the most sunshine are July and August, with an average of 9.6h of sunshine.
What is the month with the shortest days?
With an average of 9h and 18min of daylight, December has the shortest days of the year in Grampian.
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
Grampian, 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 (30.2°F).
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure
Grampian, 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"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:
30.03"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
Grampian, PA
- Average wind speed in January:
9.3mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.6mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
7.4mph - Average wind speed in November:
8mph - Average wind speed in December:
8.7mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Grampian, PA
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (77%).
Average rainfall
Grampian, PA
- Average rainfall in January:
1.06" - Average rainfall in February:
1.42" - Average rainfall in March:
1.38" - Average rainfall in April:
1.89" - Average rainfall in May:
2.28" - Average rainfall in June:
1.73"
- Average rainfall in July:
1.85" - Average rainfall in August:
1.26" - Average rainfall in September:
1.46" - Average rainfall in October:
1.69" - Average rainfall in November:
1.06" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and November (1.06").
Average rainfall days
Grampian, PA
- Average rainfall days in January:
5.9 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
7.3 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (5.8 days).
Average snowfall
Grampian, PA
- Average snowfall in January:
3.31" - Average snowfall in February:
3.82" - Average snowfall in March:
2.2" - Average snowfall in April:
0.59" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Grampian, PA
- Average snowfall days in January:
11.8 days - Average snowfall days in February:
10.3 days - Average snowfall days in March:
6.9 days - Average snowfall days in April:
2.5 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:
0.8 days - Average snowfall days in November:
5 days - Average snowfall days in December:
8.4 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grampian, 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 4min - Average sunshine in February:
3h and 1min - Average sunshine in March:
5h and 1min - Average sunshine in April:
6h and 5min - Average sunshine in May:
8h and 0min - Average sunshine in June:
9h and 0min
- 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 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days
Grampian, PA
- Average sunshine days in January:
16.5 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
13.2 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
15.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).
Average UV index
Grampian, 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
Grampian, PA
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility
Grampian, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Grampian, Pennsylvania, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location