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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 Derwood, Maryland, is an icy winter month, with an average temperature varying between 25.2°F (-3.8°C) and 38.8°F (3.8°C). January is the coldest month, with the temperature often reaching an average high of 38.8°F (3.8°C) and an average low of 25.2°F (-3.8°C). Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Derwood, Maryland, with temperature in the range of an average low of 27.9°F (-2.3°C) and an average high of 43.2°F (6.2°C). The transition from January to February sees average high-temperatures adjusting to a chilly 43.2°F (6.2°C), from a not significantly different 38.8°F (3.8°C). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Derwood, Maryland, with an average temperature varying between 35.6°F (2°C) and 51.4°F (10.8°C). The start of March brings a subtle rise in the average high-temperature, moving from a frosty 43.2°F (6.2°C) in February to a fresh 51.4°F (10.8°C). Weather in March »
Weather in April
April in Derwood, Maryland, is a comfortable spring month, with an average temperature varying between 45.5°F (7.5°C) and 63.9°F (17.7°C). April's arrival brings a temperature shift, moving from a cool 51.4°F (10.8°C) in March to an enjoyable 63.9°F (17.7°C). Weather in April »
Weather in May
May, the last month of the spring in Derwood, is a warm month, with an average temperature varying between 55°F (12.8°C) and 73.6°F (23.1°C). The arrival of May brings an increase in high-temperatures, moving from a refreshing 63.9°F (17.7°C) in April to a warm 73.6°F (23.1°C). Weather in May »
Weather in June
June, the first month of the summer in Derwood, is still a warm month, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 81.3°F (27.4°C). June showcases a minor temperature ascent, adjusting from May's moderately hot 73.6°F (23.1°C) to a still warm 81.3°F (27.4°C). Weather in June »
Weather in July
July is a tropical summer month in Derwood, Maryland, with temperature in the range of an average high of 86.9°F (30.5°C) and an average low of 67.6°F (19.8°C). July tends to be the warmest month, with temperatures averaging a daily high of 86.9°F (30.5°C) and a low of 67.6°F (19.8°C). July's heat index is evaluated at a very hot 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 Derwood, Maryland, with an average temperature ranging between min 66.4°F (19.1°C) and max 84.6°F (29.2°C). As Derwood welcomes August, the average high-temperature stabilizes at a warm 84.6°F (29.2°C), showing little deviation from July's 86.9°F (30.5°C). Weather in August »
Weather in September
September, the first month of the autumn in Derwood, is still a warm month, with temperature in the range of an average high of 77.7°F (25.4°C) and an average low of 59.9°F (15.5°C). A subtle shift in Derwood's weather is observed as August turns into September, with the average high temperature reducing from a moderately hot 84.6°F (29.2°C) to a still warm 77.7°F (25.4°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Derwood, Maryland, with an average temperature varying between 65.3°F (18.5°C) and 49.3°F (9.6°C). October implies a gentle temperature shift, with average high-temperatures reducing from September's warm 77.7°F (25.4°C) to an enjoyable 65.3°F (18.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Derwood, is another cool month, with an average temperature fluctuating between 38.3°F (3.5°C) and 53.1°F (11.7°C). A moderate decline in the average high-temperature is seen during November, decreasing from a comfortable 65.3°F (18.5°C) in October to a cool 53.1°F (11.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Derwood, Maryland, with an average temperature ranging between max 44.2°F (6.8°C) and min 32.2°F (0.1°C). As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a cool 53.1°F (11.7°C) to a chilly 44.2°F (6.8°C). Weather in December »
Updated: Jul 27, 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 time of the year is the coldest?
The coldest period tends to be January, when average temperatures fluctuate between a high of 38.8°F (3.8°C) and a low of 25.2°F (-3.8°C).
What is the driest month?
The month with the least rainfall is January, when the rain falls for 8.7 days and typically collects 1.73" (44mm) of precipitation.
How many days does it rain?
In Derwood, during the entire year, the rain falls for 154.8 days and collects up to 29.09" (739mm) of precipitation.
When does it snow?
Months with snowfall are January through May, November and December.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 4.8 days and accumulates 2.76" (70mm) of snow.
How much does it snow?
Throughout the year, in Derwood, there are 16.7 snowfall days, and 9.76" (248mm) of snow is accumulated.
What are the months with the least sunshine?
The months with the least sunshine are January, February and December, with an average of 5.1h of sunshine.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
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 most humid month?
The months with the highest humidity are May, October and December, with an average relative humidity of 77%.
What are the months with the highest UV index in Derwood?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When it does not snow?
June through October are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 14h and 54min of daylight.
What part of the year is the hottest?
In Derwood, the average temperatures in July are the highest, with a peak at 86.9°F (30.5°C) and a low of 67.6°F (19.8°C).
What is the least humid month?
July is the least humid month, with an average relative humidity of 72%.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.8h of sunshine.
What is the wettest month?
August is the month with the most rainfall. Rain falls for 16.7 days and accumulates 3.82" (97mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year in Derwood, with an average of 9h and 30min of daylight.
Average temperature
Derwood, MD
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure
Derwood, 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
Derwood, MD
- Average wind speed in January:
7.7mph - Average wind speed in February:
7.7mph - Average wind speed in March:
8mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.9mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.1mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity
Derwood, MD
The months with the highest relative humidity are May, October and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall
Derwood, MD
- Average rainfall in January:
1.73" - Average rainfall in February:
1.89" - Average rainfall in March:
2.13" - Average rainfall in April:
2.44" - Average rainfall in May:
3.19" - Average rainfall in June:
2.48"
- Average rainfall in July:
3.07" - Average rainfall in August:
3.82" - Average rainfall in September:
1.97" - Average rainfall in October:
2.17" - Average rainfall in November:
2.13" - Average rainfall in December:
2.09"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days
Derwood, MD
- Average rainfall days in January:
8.7 days - Average rainfall days in February:
9.2 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
9 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (8.7 days).
Average snowfall
Derwood, MD
- Average snowfall in January:
2.76" - Average snowfall in February:
2.36" - Average snowfall in March:
2.56" - Average snowfall in April:
0.35" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Derwood, MD
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
5.3 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0.1 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:
2.5 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Derwood, 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 0min - 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 1min - 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 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days
Derwood, MD
- Average sunshine days in January:
18 days - Average sunshine days in February:
15.7 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
13.5 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.5 days).
Average UV index
Derwood, 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, February, November and December (UV index 2).
Average cloud cover
Derwood, MD
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Derwood, 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).
Derwood, Maryland, USA
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