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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 Grantsville, Maryland, is an icy winter month, with an average temperature fluctuating between 33.3°F (0.7°C) and 20.1°F (-6.6°C). The coldest period is January, when temperatures fluctuate between an average high of 33.3°F (0.7°C) and a low of 20.1°F (-6.6°C). Weather in January »
Weather in February
February, the last month of the winter in Grantsville, is also a wintry month, with an average temperature varying between 37.9°F (3.3°C) and 23.4°F (-4.8°C). The onset of February brings an average high-temperature of a still cold 37.9°F (3.3°C), nearly matching the January temperature. Weather in February »
Weather in March
March, the first month of the spring in Grantsville, is a frosty month, with an average temperature varying between 46.8°F (8.2°C) and 30.6°F (-0.8°C). March comes with a subtle rise, with the average high-temperature adjusting from a cold 37.9°F (3.3°C) in February to a frosty 46.8°F (8.2°C). Weather in March »
Weather in April
April in Grantsville, Maryland, is a refreshing spring month, with an average temperature ranging between min 40.1°F (4.5°C) and max 58.8°F (14.9°C). Grantsville in April experiences an increase in the average high-temperature, moving from March's chilly 46.8°F (8.2°C) to a refreshing 58.8°F (14.9°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Grantsville, Maryland, with an average temperature varying between 69.4°F (20.8°C) and 49.6°F (9.8°C). The average high-temperature increases in May, moving from a mild 58.8°F (14.9°C) in April to a pleasant 69.4°F (20.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Grantsville, Maryland, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 77.2°F (25.1°C). The shift into June brings a slight increase in the average high-temperature, moving from a pleasant 69.4°F (20.8°C) in May to a warm 77.2°F (25.1°C). Weather in June »
Weather in July
July, like June, in Grantsville, Maryland, is another warm summer month, with an average temperature varying between 60.1°F (15.6°C) and 81.5°F (27.5°C). Grantsville's warmest temperatures are experienced in July, with average high temperatures of 81.5°F (27.5°C) and lows of 60.1°F (15.6°C). The heat index for July is estimated at a tropical 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Grantsville, is also a moderately hot month, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 79.7°F (26.5°C). August's beginning signals an average high-temperature of a still warm 79.7°F (26.5°C), barely different from July's 81.5°F (27.5°C). Weather in August »
Weather in September
September, the first month of the autumn in Grantsville, is also an agreeable month, with an average temperature varying between 72.9°F (22.7°C) and 52.7°F (11.5°C). The beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 79.7°F (26.5°C) in August to an agreeable 72.9°F (22.7°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Grantsville, Maryland, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 60.1°F (15.6°C). The average high-temperature drops in October, from September's pleasant 72.9°F (22.7°C) to a moderate 60.1°F (15.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Grantsville, is also a frosty month, with an average temperature ranging between min 32.4°F (0.2°C) and max 48.4°F (9.1°C). Welcoming November, Grantsville observes a shift in the average high-temperature, falling from October's mild 60.1°F (15.6°C) to a frosty 48.4°F (9.1°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Grantsville, Maryland, with an average temperature ranging between min 27.3°F (-2.6°C) and max 38.8°F (3.8°C). Transition into December marks a drop in the average high-temperature, moving from a chilly 48.4°F (9.1°C) in November to a cold 38.8°F (3.8°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 time of year in Grantsville?
Grantsville's coldest month, January, registers temperatures that range from a high of 33.3°F (0.7°C) to a low of 20.1°F (-6.6°C).
How many days does it rain?
Throughout the year, there are 186.2 rainfall days, and 31.93" (811mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
In Grantsville, during the entire year, snow falls for 56.7 days and aggregates up to 28.46" (723mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.4h of sunshine.
What are the months 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?
With an average relative humidity of 83%, February is the most humid month in Grantsville.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 12.9 days and accumulates 6.85" (174mm) 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 in Grantsville?
The month with the most rainfall is May, when the rain falls for 21.3 days and typically aggregates up to 3.46" (88mm) of precipitation.
What is the month with the highest UV index?
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 Grantsville, snow does not fall in June through September.
When are the longest days?
The month with the longest days in Grantsville, Maryland, is June, with an average of 14h and 54min of daylight.
What is the warmest month?
July, recognised by an average high temperature of 81.5°F (27.5°C) and a low of 60.1°F (15.6°C), is Grantsville's warmest month.
What is the least humid month?
July is the least humid month, with an average relative humidity of 76%.
What month has the most sunshine?
With an average of 10.3h of sunshine, July has the most sunshine of the year.
What is the driest month in Grantsville?
November is the month with the least rainfall in Grantsville. Rain falls for 11.1 days and accumulates 1.85" (47mm) of precipitation.
What is the month with the shortest days in Grantsville?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Grantsville, MD
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (33.3°F).
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure
Grantsville, MD
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"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:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Grantsville, MD
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.5mph - Average wind speed in March:
7.9mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.6mph - Average wind speed in September:
4.9mph - Average wind speed in October:
6.3mph - Average wind speed in November:
7mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity
Grantsville, MD
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is July (76%).
Average rainfall
Grantsville, MD
- Average rainfall in January:
2.32" - Average rainfall in February:
2.56" - Average rainfall in March:
2.68" - Average rainfall in April:
3.19" - Average rainfall in May:
3.46" - Average rainfall in June:
2.8"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.36" - Average rainfall in September:
2.36" - Average rainfall in October:
2.6" - Average rainfall in November:
1.85" - Average rainfall in December:
2.87"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days
Grantsville, MD
- Average rainfall days in January:
13.2 days - Average rainfall days in February:
12.1 days - Average rainfall days in March:
15.2 days - Average rainfall days in April:
17.4 days - Average rainfall days in May:
21.3 days - Average rainfall days in June:
17.5 days
- Average rainfall days in July:
19.3 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
14.9 days - Average rainfall days in October:
13.3 days - Average rainfall days in November:
11.1 days - Average rainfall days in December:
14.1 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (11.1 days).
Average snowfall
Grantsville, MD
- Average snowfall in January:
6.69" - Average snowfall in February:
6.85" - Average snowfall in March:
5.55" - Average snowfall in April:
1.02" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Grantsville, MD
- Average snowfall days in January:
14.4 days - Average snowfall days in February:
12.9 days - Average snowfall days in March:
9.7 days - Average snowfall days in April:
2.4 days - Average snowfall days in May:
0.3 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:
1.1 days - Average snowfall days in November:
5.1 days - Average snowfall days in December:
10.8 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grantsville, MD
- 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:
14h and 5min
- 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: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Grantsville, MD
- Average sunshine days in January:
9.3 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
10 days - Average sunshine days in April:
9.1 days - Average sunshine days in May:
6.8 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
11.4 days - Average sunshine days in September:
11.9 days - Average sunshine days in October:
14 days - Average sunshine days in November:
15.4 days - Average sunshine days in December:
11.5 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (6.8 days).
Average UV index
Grantsville, MD
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Grantsville, MD
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
Grantsville, MD
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Grantsville, Maryland, USA
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