Climate and monthly weather forecastPatapsco, MD
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Patapsco, Maryland, with an average temperature fluctuating between 23.9°F (-4.5°C) and 36.9°F (2.7°C). Temperature readings reach their annual highs in January, averaging 36.9°F (2.7°C) and a minimum average of 23.9°F (-4.5°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Patapsco, Maryland, with temperature in the range of an average high of 40.5°F (4.7°C) and an average low of 26.1°F (-3.3°C). Patapsco experiences a recorded average high-temperature of a still icy 40.5°F (4.7°C) in February, closely aligned with January's 36.9°F (2.7°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Patapsco, Maryland, with an average temperature fluctuating between 49.3°F (9.6°C) and 33.4°F (0.8°C). Patapsco's weather in March shows a minor rise in the average high-temperature, moving slightly up from February's icy 40.5°F (4.7°C) to a chilly 49.3°F (9.6°C). Weather in March »Weather in April
April is a refreshing spring month in Patapsco, Maryland, with an average temperature ranging between max 61.5°F (16.4°C) and min 43.2°F (6.2°C). With the onset of April, Patapsco experiences a temperature shift, with the average high-temperature moving from a frosty 49.3°F (9.6°C) in March to a comfortable 61.5°F (16.4°C). Weather in April »Weather in May
May, the last month of the spring in Patapsco, is an agreeable month, with an average temperature varying between 53.1°F (11.7°C) and 71.2°F (21.8°C). The arrival of May sees a shift in the average high-temperature, moving from an enjoyable 61.5°F (16.4°C) in April to an agreeable 71.2°F (21.8°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Patapsco, Maryland, with an average temperature fluctuating between 78.4°F (25.8°C) and 60.6°F (15.9°C). The transition from May to June brings a subtle temperature rise, with average high-temperatures increasing from an agreeable 71.2°F (21.8°C) to a moderately hot 78.4°F (25.8°C). Weather in June »Weather in July
July, like June, in Patapsco, Maryland, is another warm summer month, with an average temperature ranging between max 83.8°F (28.8°C) and min 65.7°F (18.7°C). In Patapsco, temperatures reach their average annual highs in July, measuring 83.8°F (28.8°C) and a minimum average of 65.7°F (18.7°C). The heat index value for July is calculated to be a hot 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Patapsco, is another warm month, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 63.5°F (17.5°C). August brings an average high-temperature of a still moderately hot 81.7°F (27.6°C), showing a slight difference from July's 83.8°F (28.8°C). Weather in August »Weather in September
September, the first month of the autumn in Patapsco, is also a moderately hot month, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 75°F (23.9°C). The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's 81.7°F (27.6°C) to a still moderately hot 75°F (23.9°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Patapsco, Maryland, with an average temperature varying between 63.5°F (17.5°C) and 47.7°F (8.7°C). October's arrival correlates with a reduction in the average high-temperature, down from a moderately hot 75°F (23.9°C) in September to a refreshing 63.5°F (17.5°C). Weather in October »Weather in November
November, the last month of the autumn in Patapsco, is another cool month, with temperature in the range of an average high of 51.3°F (10.7°C) and an average low of 36.1°F (2.3°C). Patapsco experiences a temperature shift at the start of November, with average high-temperatures adjusting from an enjoyable 63.5°F (17.5°C) in October to a fresh 51.3°F (10.7°C). Weather in November »Weather in December
December, the first month of the winter in Patapsco, is also a frosty month, with an average temperature fluctuating between 42.8°F (6°C) and 30.4°F (-0.9°C). A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a cool 51.3°F (10.7°C) to a frosty 42.8°F (6°C). Weather in December »Updated: Aug 19, 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
January is the month that records the lowest temperatures in Patapsco, with averages ranging from a high of 36.9°F (2.7°C) to a low of 23.9°F (-4.5°C).
The months with the lowest humidity are January, April, July and November, with an average relative humidity of 76%.
Throughout the year, there are 158.9 rainfall days, and 32.68" (830mm) of precipitation is accumulated.
January through April, October through December are months with snowfall.
In Patapsco, during the entire year, snow falls for 23.9 days and aggregates up to 13.31" (338mm) of snow.
January and February, with an average of 4.6h of sunshine, are months with the least sunshine.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
February is the month with the least rainfall. Rain falls for 8.6 days and accumulates 2.13" (54mm) of precipitation.
March is the month with the most snowfall. Snow falls for 4.9 days and accumulates 4.06" (103mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Patapsco, 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.
With an average relative humidity of 81%, May is the most humid month in Patapsco.
May through September are months without snowfall.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
June has the longest days of the year, with an average of 14h and 54min of daylight.
With an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 65.7°F (18.7°C), July is the warmest month.
With an average of 10.4h of sunshine, July has the most sunshine of the year.
August is the month with the most rainfall. Rain falls for 16.7 days and accumulates 3.9" (99mm) of precipitation.
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Patapsco, MD
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.9°F).
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure
Patapsco, 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:
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 (29.94"Hg).
Average wind speed
Patapsco, MD
- Average wind speed in January:
8.7mph - Average wind speed in February:
8.8mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.6mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8.1mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Patapsco, MD
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, April, July and November (76%).
Average rainfall
Patapsco, MD
- Average rainfall in January:
2.2" - Average rainfall in February:
2.13" - Average rainfall in March:
2.36" - Average rainfall in April:
2.64" - Average rainfall in May:
3.35" - Average rainfall in June:
2.52"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is February (2.13").
Average rainfall days
Patapsco, MD
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
13.8 days - Average rainfall days in October:
12.6 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
11 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.4 days).
Average snowfall
Patapsco, MD
The month with the highest snowfall is March (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Patapsco, MD
- Average snowfall days in January:
6.9 days - Average snowfall days in February:
6.6 days - Average snowfall days in March:
4.9 days - Average snowfall days in April:
0.6 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:
0.2 days - Average snowfall days in November:
0.8 days - Average snowfall days in December:
3.9 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Patapsco, MD
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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 36min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 6min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days
Patapsco, MD
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
13.7 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
12.7 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
16.4 days - Average sunshine days in November:
18.6 days - Average sunshine days in December:
17.1 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index
Patapsco, 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
Patapsco, MD
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Patapsco, MD
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
