Climate and monthly weather forecastGrantham Hall, MD
Climate and monthly weather forecast
Weather in January
January, like December, in Grantham Hall, Maryland, is a wintry winter month, with an average temperature ranging between min 30.2°F (-1°C) and max 40.6°F (4.8°C). With average high and low temperatures of 40.6°F (4.8°C) and 30.2°F (-1°C) respectively, January is Grantham Hall's coldest month. Weather in January »Weather in February
February, the last month of the winter in Grantham Hall, is a chilly month, with an average temperature fluctuating between 32.5°F (0.3°C) and 43.7°F (6.5°C). February denotes a minimal variation in the average high-temperature to a chilly 43.7°F (6.5°C) from January's 40.6°F (4.8°C). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Grantham Hall, Maryland, with an average temperature varying between 50.9°F (10.5°C) and 38.8°F (3.8°C). March's arrival signals a subtle increase in average high-temperatures, moving from February's chilly 43.7°F (6.5°C) to a fresh 50.9°F (10.5°C). Weather in March »Weather in April
April in Grantham Hall, Maryland, is an enjoyable spring month, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 48.9°F (9.4°C). Grantham Hall's weather in April shows a rise in the average high-temperature, moving up from March's fresh 50.9°F (10.5°C) to a refreshing 62.2°F (16.8°C). Weather in April »Weather in May
May, the last month of the spring in Grantham Hall, is a pleasant month, with temperature in the range of an average low of 58.3°F (14.6°C) and an average high of 71.2°F (21.8°C). Grantham Hall sees an increase in the average high-temperature with the arrival of May, moving from April's enjoyable 62.2°F (16.8°C) to a pleasant 71.2°F (21.8°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Grantham Hall, Maryland, with an average temperature ranging between max 79.5°F (26.4°C) and min 66.7°F (19.3°C). The shift from May to June sees a slight increase in the average high-temperature, transitioning from an agreeable 71.2°F (21.8°C) to a moderately hot 79.5°F (26.4°C). Weather in June »Weather in July
July, like June, in Grantham Hall, Maryland, is another warm summer month, with temperature in the range of an average low of 71.6°F (22°C) and an average high of 84.7°F (29.3°C). Grantham Hall, Maryland, experiences its highest temperatures in July, with an average peak of 84.7°F (29.3°C) and a low of 71.6°F (22°C). Throughout July, the heat index is estimated at a tropical 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Grantham Hall, is also a moderately hot month, with an average temperature varying between 82.9°F (28.3°C) and 70.5°F (21.4°C). Grantham Hall signifies an average high-temperature of a still moderately hot 82.9°F (28.3°C) in August, closely mirroring the 84.7°F (29.3°C) of July. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Grantham Hall, Maryland, with an average temperature varying between 65.1°F (18.4°C) and 76.6°F (24.8°C). Grantham Hall's September weather features a light decline in high-temperatures, reducing from a warm 82.9°F (28.3°C) in August to a still moderately hot 76.6°F (24.8°C). Weather in September »Weather in October
October, like September, in Grantham Hall, Maryland, is another comfortable autumn month, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 65.8°F (18.8°C). October ushers in a slight temperature change, with average high-temperatures reducing from September's warm 76.6°F (24.8°C) to a comfortable 65.8°F (18.8°C). Weather in October »Weather in November
November, the last month of the autumn in Grantham Hall, is another cool month, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 54.7°F (12.6°C). Observing a mild shift, the average high-temperature during November reduces from October's comfortable 65.8°F (18.8°C) to a fresh 54.7°F (12.6°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Grantham Hall, Maryland, with an average temperature ranging between max 46.4°F (8°C) and min 36.5°F (2.5°C). As December arrives, Grantham Hall's weather displays a minor decrease in high-temperatures, transitioning from November's fresh 54.7°F (12.6°C) to a frosty 46.4°F (8°C). Weather in December »Updated: Aug 30, 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
January brings the lowest temperatures, with an average high of 40.6°F (4.8°C) and an average low of 30.2°F (-1°C).
The months with the lowest humidity are January and November, with an average relative humidity of 72%.
The month with the least rainfall is January, when the rain falls for 6.7 days and typically collects 0.67" (17mm) of precipitation.
Throughout the year, there are 132.3 rainfall days, and 15.83" (402mm) of precipitation is accumulated.
Months with snowfall are January through March, November and December.
January is the month with the most snowfall. Snow falls for 2.9 days and accumulates 0.75" (19mm) of snow.
Throughout the year, in Grantham Hall, there are 9.4 snowfall days, and 1.97" (50mm) of snow is accumulated.
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
The month with the least sunshine is February, with an average of 5.1h of sunshine.
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.
In Grantham Hall, snow does not fall in April through October.
May is the most humid month, with an average relative humidity of 79%.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
With an average of 14h and 48min of daylight, June has the longest days of the year.
July, characterized by an average high temperature of 84.7°F (29.3°C) and a low temperature of 71.6°F (22°C), is generally the warmest month.
With an average of 10.9h of sunshine, July has the most sunshine of the year.
August is the month with the most rainfall. Rain falls for 14.8 days and accumulates 2.4" (61mm) of precipitation.
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Grantham Hall, MD
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.6°F).
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure
Grantham Hall, MD
- 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:
30"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:
30.05"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 (29.94"Hg).
Average wind speed
Grantham Hall, MD
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.9mph - Average wind speed in April:
9.6mph - Average wind speed in May:
8mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.7mph - Average wind speed in October:
9mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.2mph
The windiest months (with the highest average wind speed) are January and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity
Grantham Hall, MD
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall
Grantham Hall, MD
- Average rainfall in January:
0.67" - Average rainfall in February:
0.83" - Average rainfall in March:
1.06" - Average rainfall in April:
1.06" - Average rainfall in May:
1.38" - Average rainfall in June:
2.01"
- Average rainfall in July:
2.36" - Average rainfall in August:
2.4" - Average rainfall in September:
1.06" - Average rainfall in October:
1.38" - Average rainfall in November:
0.71" - Average rainfall in December:
0.91"
The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days
Grantham Hall, MD
- Average rainfall days in January:
6.7 days - Average rainfall days in February:
7.2 days - Average rainfall days in March:
11.4 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
13.6 days - Average rainfall days in June:
13.4 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
6.6 days - Average rainfall days in December:
8.4 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (6.6 days).
Average snowfall
Grantham Hall, MD
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Grantham Hall, MD
- Average snowfall days in January:
2.9 days - Average snowfall days in February:
2.5 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.1 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:
1.6 days
The month with the highest number of snowfall days is January (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Grantham Hall, MD
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 18min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 54min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days
Grantham Hall, MD
- Average sunshine days in January:
20.9 days - Average sunshine days in February:
18 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
14.5 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
21.7 days - Average sunshine days in December:
19.9 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.7 days).
Average UV index
Grantham Hall, MD
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 and December (UV index 2).
Average cloud cover
Grantham Hall, MD
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Grantham Hall, MD
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
