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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 Rosemary Hills, Maryland, is an icy winter month, with an average temperature fluctuating between 27.1°F (-2.7°C) and 39.7°F (4.3°C). January, marked by an average high-temperature of 39.7°F (4.3°C) and a low-temperature of 27.1°F (-2.7°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Rosemary Hills, Maryland, with an average temperature ranging between min 29.8°F (-1.2°C) and max 43.9°F (6.6°C). With the onset of February, the average high-temperature stands at a frosty 43.9°F (6.6°C), closely aligned with January's 39.7°F (4.3°C). Weather in February »
Weather in March
March, the first month of the spring in Rosemary Hills, is a cool month, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 52.3°F (11.3°C). As March arrives, Rosemary Hills's weather shows a minor increase in high-temperatures, edging from February's chilly 43.9°F (6.6°C) to a cool 52.3°F (11.3°C). Weather in March »
Weather in April
April is a refreshing spring month in Rosemary Hills, Maryland, with temperature in the range of an average low of 46.8°F (8.2°C) and an average high of 64.9°F (18.3°C). April brings a rise in the average high-temperature, transitioning from March's fresh 52.3°F (11.3°C) to an enjoyable 64.9°F (18.3°C). Weather in April »
Weather in May
May, the last month of the spring in Rosemary Hills, is a warm month, with an average temperature ranging between min 56.5°F (13.6°C) and max 74.3°F (23.5°C). May shows a rise in the average high-temperature, moving from April's comfortable 64.9°F (18.3°C) to a warm 74.3°F (23.5°C). Weather in May »
Weather in June
June, the first month of the summer in Rosemary Hills, is still a warm month, with an average temperature ranging between min 64.4°F (18°C) and max 82.2°F (27.9°C). Entering June, Rosemary Hills notices a subtle temperature elevation, with the average high-temperature advancing from May's 74.3°F (23.5°C) to a still warm 82.2°F (27.9°C). Weather in June »
Weather in July
July in Rosemary Hills, Maryland, is a hot summer month, with temperature in the range of an average low of 69.6°F (20.9°C) and an average high of 87.4°F (30.8°C). Rosemary Hills's warmest temperatures are experienced in July, with average high temperatures of 87.4°F (30.8°C) and lows of 69.6°F (20.9°C). For most parts of July, the heat index is estimated at a sweltering 98.6°F (37°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Rosemary Hills, Maryland, with an average temperature fluctuating between 68.2°F (20.1°C) and 85.6°F (29.8°C). With the onset of August, Rosemary Hills's average high-temperature clocks in at a moderately hot 85.6°F (29.8°C), showing a minor fluctuation from the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Rosemary Hills, Maryland, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 61.7°F (16.5°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from 85.6°F (29.8°C) to a still warm 78.4°F (25.8°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Rosemary Hills, Maryland, with an average temperature fluctuating between 66.4°F (19.1°C) and 50.9°F (10.5°C). A shift in Rosemary Hills's weather is observed as September turns into October, with the average high temperature reducing from a warm 78.4°F (25.8°C) to a comfortable 66.4°F (19.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Rosemary Hills, Maryland, with an average temperature fluctuating between 39.4°F (4.1°C) and 53.6°F (12°C). The average high-temperature drops in November, from October's refreshing 66.4°F (19.1°C) to a fresh 53.6°F (12°C). Weather in November »
Weather in December
December, the first month of the winter in Rosemary Hills, is also a frosty month, with an average temperature varying between 33.3°F (0.7°C) and 45.3°F (7.4°C). With the arrival of December, Rosemary Hills experiences a modest decline in average high-temperatures, transitioning from a cool 53.6°F (12°C) in November to a chilly 45.3°F (7.4°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Rosemary Hills?
January stands out as Rosemary Hills's coldest month, with temperatures ranging between an average high of 39.7°F (4.3°C) and a low of 27.1°F (-2.7°C).
What is the driest month in Rosemary Hills?
January is the month with the least rainfall in Rosemary Hills. Rain falls for 8.8 days and accumulates 1.89" (48mm) of precipitation.
How many days does it rain in Rosemary Hills?
In Rosemary Hills, Maryland, during the entire year, the rain falls for 154.8 days and collects up to 30.28" (769mm) of precipitation.
When does it snow in Rosemary Hills?
Months with snowfall are January through April, November and December.
When does it snow the most in Rosemary Hills?
January is the month with the most snowfall in Rosemary Hills, Maryland. Snow falls for 4.6 days and accumulates 2.87" (73mm) of snow.
How many days does it snow in Rosemary Hills?
In Rosemary Hills, Maryland, during the entire year, snow falls for 15 days and aggregates up to 9.17" (233mm) of snow.
What is the month with the lowest UV index in Rosemary Hills?
The months with the lowest UV index in Rosemary Hills are January, November and December, with an average maximum UV index of 2.
What is the month with the least sunshine in Rosemary Hills?
February has the least sunshine of the year in Rosemary Hills, Maryland, with an average of 4.9h of sunshine.
When is Daylight Saving Time (DST) in Rosemary Hills?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Rosemary Hills, Maryland, 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 are the most humid months in Rosemary Hills?
The months with the highest humidity in Rosemary Hills, Maryland, are May, October and December, with an average relative humidity of 75%.
When it does not snow in Rosemary Hills?
In Rosemary Hills, Maryland, snow does not fall in May through October.
What is the month with the highest UV index in Rosemary Hills?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days in Rosemary Hills?
With an average of 14h and 54min of daylight, June has the longest days of the year in Rosemary Hills.
What time of the year is the hottest in Rosemary Hills?
Rosemary Hills's warmest weather arrives in July, when temperatures average a high of 87.4°F (30.8°C) and a low of 69.6°F (20.9°C).
What is the least humid month in Rosemary Hills?
With an average relative humidity of 69%, July is the least humid month in Rosemary Hills.
What month has the most sunshine in Rosemary Hills?
July has the most sunshine of the year in Rosemary Hills, Maryland, with an average of 10.6h of sunshine.
What is the wettest month in Rosemary Hills?
The month with the most rainfall in Rosemary Hills is August, when the rain falls for 16.3 days and typically aggregates up to 3.86" (98mm) of precipitation.
What is the month with the shortest days in Rosemary Hills?
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Rosemary Hills, MD
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.7°F).
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure
Rosemary Hills, MD
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.07"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:
29.95"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"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
Rosemary Hills, MD
- Average wind speed in January:
7.8mph - Average wind speed in February:
7.8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7mph - Average wind speed in December:
7.1mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Rosemary Hills, MD
The months with the highest relative humidity are May, October and December (75%).
The month with the lowest relative humidity is July (69%).
Average rainfall
Rosemary Hills, MD
- Average rainfall in January:
1.89" - Average rainfall in February:
2.01" - Average rainfall in March:
2.28" - Average rainfall in April:
2.52" - Average rainfall in May:
2.87" - Average rainfall in June:
2.48"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days
Rosemary Hills, MD
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
12.4 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).
Average snowfall
Rosemary Hills, MD
The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Rosemary Hills, MD
- Average snowfall days in January:
4.6 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
3.1 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:
0.4 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Rosemary Hills, MD
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - 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 1min - Average daylight in December:
9h and 3min
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 30min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days
Rosemary Hills, MD
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
15 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
12 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
17.1 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
17.7 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12 days).
Average UV index
Rosemary Hills, 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, November and December (UV index 2).
Average cloud cover
Rosemary Hills, MD
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Rosemary Hills, MD
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Rosemary Hills, Maryland, USA
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