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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 Stoney Brook, Maryland, is another cold winter month, with an average temperature ranging between min 26.2°F (-3.2°C) and max 39°F (3.9°C). With an average high-temperature of 39°F (3.9°C) and an average low-temperature of 26.2°F (-3.2°C), January is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a chilly month in Stoney Brook, Maryland, with an average temperature varying between 28.8°F (-1.8°C) and 43.9°F (6.6°C). The transition into February marks the average high-temperature at a frosty 43.9°F (6.6°C), differing minimally from January's 39°F (3.9°C). Weather in February »
Weather in March
March, the first month of the spring in Stoney Brook, is a cool month, with an average temperature varying between 36.1°F (2.3°C) and 52°F (11.1°C). With the onset of March, Stoney Brook's average high-temperature experiences a slight rise, moving from February's chilly 43.9°F (6.6°C) to a fresh 52°F (11.1°C). Weather in March »
Weather in April
April is a comfortable spring month in Stoney Brook, Maryland, with an average temperature varying between 64.2°F (17.9°C) and 46°F (7.8°C). Stoney Brook's April weather shows an increase in high-temperatures, moving from March's cool 52°F (11.1°C) to a refreshing 64.2°F (17.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Stoney Brook, Maryland, with an average temperature ranging between min 55.8°F (13.2°C) and max 73.9°F (23.3°C). An escalation in the average high-temperature is seen with the onset of May, moving from an enjoyable 64.2°F (17.9°C) in April to a warm 73.9°F (23.3°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Stoney Brook, Maryland, with an average temperature fluctuating between 63.9°F (17.7°C) and 81.7°F (27.6°C). June's arrival coincides with a marginal rise in the average high-temperature, moving from May's 73.9°F (23.3°C) to a still warm 81.7°F (27.6°C). Weather in June »
Weather in July
July is a tropical summer month in Stoney Brook, Maryland, with an average temperature fluctuating between 87.3°F (30.7°C) and 68.7°F (20.4°C). In Stoney Brook, temperatures reach their average annual highs in July, measuring 87.3°F (30.7°C) and a minimum average of 68.7°F (20.4°C). For July, the heat index is evaluated at a torrid 98.6°F (37°C). Weather in July »
Weather in August
August, the last month of the summer in Stoney Brook, is another warm month, with temperature in the range of an average high of 84.9°F (29.4°C) and an average low of 67.6°F (19.8°C). The average high-temperature for August is a warm 84.9°F (29.4°C), closely aligning with the temperature of the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Stoney Brook, is also a moderately hot month, with an average temperature ranging between max 78.3°F (25.7°C) and min 61°F (16.1°C). The commencement of September indicates a gentle shift in the average high-temperature, receding from August's 84.9°F (29.4°C) to a still moderately hot 78.3°F (25.7°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Stoney Brook, Maryland, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 50.2°F (10.1°C). The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from a warm 78.3°F (25.7°C) in September to a refreshing 65.8°F (18.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Stoney Brook, Maryland, with an average temperature varying between 53.4°F (11.9°C) and 38.8°F (3.8°C). Stoney Brook's weather changes with the onset of November, slightly falling from an enjoyable 65.8°F (18.8°C) in October to a cool 53.4°F (11.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Stoney Brook, Maryland, with an average temperature ranging between min 32.9°F (0.5°C) and max 45.3°F (7.4°C). The onset of December brings a small shift in high-temperatures, falling from a cool 53.4°F (11.9°C) in November to a chilly 45.3°F (7.4°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Stoney Brook?
January, on average, is the coldest month, registering a high temperature of 39°F (3.9°C) and a low of 26.2°F (-3.2°C).
What is the driest month in Stoney Brook?
January is the month with the least rainfall. Rain falls for 9.3 days and accumulates 2.17" (55mm) of precipitation.
How much does it rain in Stoney Brook?
Throughout the year, in Stoney Brook, Maryland, there are 161.3 rainfall days, and 33.19" (843mm) of precipitation is accumulated.
When does it snow in Stoney Brook?
Months with snowfall are January through April, November and December.
When does it snow the most in Stoney Brook?
The months with the most snowfall in Stoney Brook, Maryland, are January and March, with an average 3.03" (77mm) of accumulated snow.
How many days does it snow in Stoney Brook?
Throughout the year, there are 17.1 snowfall days, and 10.2" (259mm) of snow is accumulated.
What are the months with the lowest UV index in Stoney Brook?
The months with the lowest UV index are January, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Stoney Brook?
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 most humid month in Stoney Brook?
May, October and December, with an average relative humidity of 76%, are most humid months in Stoney Brook.
When it does not snow in Stoney Brook?
In Stoney Brook, snow does not fall in May through October.
What is the month with the highest UV index in Stoney Brook?
The months with the highest UV index in Stoney Brook, Maryland, are May through August, with an average maximum UV index of 6.
When are the longest days in Stoney Brook?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What month is the hottest in Stoney Brook?
With average temperatures fluctuating between a high of 87.3°F (30.7°C) and a low of 68.7°F (20.4°C), July stands out as the warmest month in Stoney Brook, Maryland.
What is the least humid month in Stoney Brook?
With an average relative humidity of 70%, July is the least humid month in Stoney Brook.
What month has the most sunshine in Stoney Brook?
The month with the most sunshine in Stoney Brook is July, with an average of 10.8h of sunshine.
What is the wettest month in Stoney Brook?
The month with the most rainfall is August, when the rain falls for 17.1 days and typically aggregates up to 4.13" (105mm) of precipitation.
What is the month with the shortest days in Stoney Brook?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
What is the month with the least sunshine in Stoney Brook?
The month with the least sunshine is December, with an average of 4.9h of sunshine.
Average temperature
Stoney Brook, MD
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure
Stoney Brook, 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:
30.06"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
Stoney Brook, MD
- Average wind speed in January:
7.8mph - Average wind speed in February:
7.9mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.6mph - 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 (5.1mph).
Average humidity
Stoney Brook, MD
The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall
Stoney Brook, MD
- Average rainfall in January:
2.17" - Average rainfall in February:
2.2" - Average rainfall in March:
2.44" - Average rainfall in April:
2.87" - Average rainfall in May:
3.23" - Average rainfall in June:
2.68"
- Average rainfall in July:
3.23" - Average rainfall in August:
4.13" - Average rainfall in September:
2.44" - Average rainfall in October:
2.6" - Average rainfall in November:
2.44" - Average rainfall in December:
2.76"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days
Stoney Brook, MD
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
9.5 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
17.1 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall
Stoney Brook, MD
The months with the highest snowfall are January and March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Stoney Brook, MD
- Average snowfall days in January:
5.1 days - Average snowfall days in February:
5.1 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.2 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:
2.9 days
The months with the highest number of snowfall days are January and February (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Stoney Brook, 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 1min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days
Stoney Brook, MD
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
14 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
11 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is November (19.5 days).
The months with the least sunshine days are May and July (11 days).
Average UV index
Stoney Brook, 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
Stoney Brook, MD
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Stoney Brook, 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).
Stoney Brook, Maryland, USA
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