Expand
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 Rockwell, Maryland, is an icy winter month, with an average temperature varying between 38.1°F (3.4°C) and 26.2°F (-3.2°C). January, having an average high-temperature of 38.1°F (3.4°C) and an average low-temperature of 26.2°F (-3.2°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Rockwell, is also a wintry month, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 28.6°F (-1.9°C). February's arrival registers an average high-temperature of a still wintry 42.3°F (5.7°C), closely aligning with the temperature of the previous month. Weather in February »
Weather in March
March, the first month of the spring in Rockwell, is a fresh month, with an average temperature varying between 35.6°F (2°C) and 50.5°F (10.3°C). A minor escalation in the average high-temperature is seen with the onset of March, moving from a wintry 42.3°F (5.7°C) in February to a cool 50.5°F (10.3°C). Weather in March »
Weather in April
April is a refreshing spring month in Rockwell, Maryland, with an average temperature varying between 63.1°F (17.3°C) and 45.7°F (7.6°C). April brings an increase in the average high-temperature, progressing from a fresh 50.5°F (10.3°C) in March to a comfortable 63.1°F (17.3°C). Weather in April »
Weather in May
May, the last month of the spring in Rockwell, is an agreeable month, with an average temperature fluctuating between 55.2°F (12.9°C) and 72.5°F (22.5°C). In Rockwell, stepping into May brings a temperature increase, moving up from April's refreshing 63.1°F (17.3°C) to a pleasant 72.5°F (22.5°C). Weather in May »
Weather in June
June, the first month of the summer in Rockwell, is a warm month, with an average temperature ranging between min 63.9°F (17.7°C) and max 80.6°F (27°C). The shift into June is marked by a modest rise in the average high-temperature, moving from May's agreeable 72.5°F (22.5°C) to a warm 80.6°F (27°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Rockwell, Maryland, with an average temperature fluctuating between 68.7°F (20.4°C) and 85.6°F (29.8°C). The highest temperatures are recorded in July, with averages reaching a high of 85.6°F (29.8°C) and a low of 68.7°F (20.4°C). The heat index value during July is calculated to be a fiery hot 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in Rockwell, is also a moderately hot month, with temperature in the range of an average low of 67.3°F (19.6°C) and an average high of 83.5°F (28.6°C). Welcoming August, Rockwell notes an average high-temperature of a still moderately hot 83.5°F (28.6°C), nearly consistent with July's 85.6°F (29.8°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Rockwell, Maryland, with an average temperature varying between 60.4°F (15.8°C) and 76.8°F (24.9°C). The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's 83.5°F (28.6°C) to a still moderately hot 76.8°F (24.9°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Rockwell, Maryland, with an average temperature varying between 50.2°F (10.1°C) and 65.1°F (18.4°C). The transition into October indicates a reduction in the average high-temperature, down to an enjoyable 65.1°F (18.4°C) from September's warm 76.8°F (24.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Rockwell, Maryland, with an average temperature ranging between min 39°F (3.9°C) and max 53.1°F (11.7°C). As November commences, the average high-temperature shows a reduction, transitioning from a refreshing 65.1°F (18.4°C) in October to a fresh 53.1°F (11.7°C). Weather in November »
Weather in December
December, the first month of the winter in Rockwell, is still a chilly month, with an average temperature varying between 32.9°F (0.5°C) and 44.1°F (6.7°C). The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a cool 53.1°F (11.7°C) to a frosty 44.1°F (6.7°C). Weather in December »
Updated: Jun 25, 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 month?
In Rockwell, January records the average lowest temperatures, peaking at 38.1°F (3.4°C) and reaching a low of 26.2°F (-3.2°C).
What is the driest month?
The month with the least rainfall is January, when the rain falls for 9.7 days and typically collects 2.05" (52mm) of precipitation.
How many days does it rain?
In Rockwell, during the entire year, the rain falls for 165.5 days and collects up to 31.65" (804mm) of precipitation.
When does it snow?
January through April, November and December are months with snowfall.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 4.9 days and accumulates 2.4" (61mm) of snow.
How many days does it snow?
Throughout the year, there are 16.6 snowfall days, and 7.8" (198mm) of snow is accumulated.
What is the month 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 in Rockwell.
What is the month with the least sunshine?
With an average of 5h of sunshine, February has the least sunshine of the year in Rockwell.
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 are the most humid months?
The months with the highest humidity are May and October, with an average relative humidity of 77%.
When it does not snow?
May through October are months without snowfall.
What are the months with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What month is the hottest?
July, known for its average high temperature of 85.6°F (29.8°C) and an average low temperature of 68.7°F (20.4°C), is the warmest month.
What is the least humid month in Rockwell?
With an average relative humidity of 71%, July is the least humid month.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.8h of sunshine.
What is the rainiest month?
August is the month with the most rainfall. Rain falls for 15.9 days and accumulates 3.74" (95mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Rockwell, MD
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.1°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
Rockwell, 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:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"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 (29.94"Hg).
Average wind speed
Rockwell, MD
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.5mph - Average wind speed in May:
6.9mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.4mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity
Rockwell, MD
The months with the highest relative humidity are May and October (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall
Rockwell, MD
- Average rainfall in January:
2.05" - Average rainfall in February:
2.24" - Average rainfall in March:
2.48" - Average rainfall in April:
2.48" - Average rainfall in May:
3.11" - Average rainfall in June:
2.52"
- Average rainfall in July:
3.19" - Average rainfall in August:
3.74" - Average rainfall in September:
2.17" - Average rainfall in October:
2.64" - Average rainfall in November:
2.44" - Average rainfall in December:
2.6"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days
Rockwell, MD
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
18.2 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
11.8 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).
Average snowfall
Rockwell, MD
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Rockwell, MD
- Average snowfall days in January:
4.9 days - Average snowfall days in February:
4.7 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.3 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 month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Rockwell, MD
- Average daylight in January:
9h and 5min - 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 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 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - 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 month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days
Rockwell, MD
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
10.4 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
13 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
15.2 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index
Rockwell, 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
Rockwell, MD
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Rockwell, 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).
Rockwell, Maryland, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location