Climate and monthly weather forecastHenderson, MD
Climate and monthly weather forecast
Weather in January
January, like December, in Henderson, Maryland, is another cold winter month, with an average temperature ranging between min 28.8°F (-1.8°C) and max 40.5°F (4.7°C). January stands out as Henderson's coldest month, with an average high-temperature of 40.5°F (4.7°C) and a low-temperature of 28.8°F (-1.8°C). Weather in January »Weather in February
The last month of the winter, February, is a frosty month in Henderson, Maryland, with an average temperature varying between 44.1°F (6.7°C) and 31.5°F (-0.3°C). The average high-temperature is a frosty 44.1°F (6.7°C) in February, hardly different from the 40.5°F (4.7°C) recorded in January. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Henderson, Maryland, with an average temperature ranging between max 50.7°F (10.4°C) and min 37.2°F (2.9°C). With the onset of March, Henderson observes a minor temperature ascent, with the average high-temperature adjusting from February's chilly 44.1°F (6.7°C) to a fresh 50.7°F (10.4°C). Weather in March »Weather in April
April in Henderson, Maryland, is a refreshing spring month, with an average temperature ranging between min 47.5°F (8.6°C) and max 62.2°F (16.8°C). With the beginning of April, Henderson's average high-temperature sees an increase, transitioning from a cool 50.7°F (10.4°C) in March to an enjoyable 62.2°F (16.8°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Henderson, Maryland, with an average temperature varying between 56.7°F (13.7°C) and 71.4°F (21.9°C). Henderson sees a rise in temperature during May, with average high-temperatures transitioning from a refreshing 62.2°F (16.8°C) in April to a pleasant 71.4°F (21.9°C). Weather in May »Weather in June
June, the first month of the summer in Henderson, is a moderately hot month, with an average temperature varying between 64.8°F (18.2°C) and 79.7°F (26.5°C). June's arrival signals a modest temperature shift, moving from an agreeable 71.4°F (21.9°C) in May to a warm 79.7°F (26.5°C). Weather in June »Weather in July
July, like June, in Henderson, Maryland, is a moderately hot summer month, with an average temperature varying between 83.8°F (28.8°C) and 70°F (21.1°C). Henderson's warmest month, July, generally records average temperatures ranging from a high of 83.8°F (28.8°C) to a low of 70°F (21.1°C). Throughout July, the heat index is appraised at a tropical 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Henderson, is another warm month, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 68°F (20°C). August's presence marks an average high-temperature of a still moderately hot 82.9°F (28.3°C), subtly varied from July's 83.8°F (28.8°C). Weather in August »Weather in September
September, the first month of the autumn in Henderson, is also a moderately hot month, with an average temperature fluctuating between 77°F (25°C) and 62.8°F (17.1°C). The arrival of September suggests a slight decrease in the average high-temperature, moving from 82.9°F (28.3°C) in August to a still warm 77°F (25°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Henderson, Maryland, with an average temperature varying between 66.2°F (19°C) and 53.4°F (11.9°C). The onset of October is marked by a decrease in temperature, transitioning from a warm 77°F (25°C) in September to a comfortable 66.2°F (19°C). Weather in October »Weather in November
November, the last month of the autumn in Henderson, is also a fresh month, with temperature in the range of an average high of 54.5°F (12.5°C) and an average low of 42.1°F (5.6°C). In November, the average high-temperature goes from an enjoyable 66.2°F (19°C) in October to a cool 54.5°F (12.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Henderson, Maryland, with an average temperature fluctuating between 46.6°F (8.1°C) and 35.2°F (1.8°C). December reveals a small adjustment in temperature, transitioning from an average high of a cool 54.5°F (12.5°C) in November to a chilly 46.6°F (8.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Henderson, 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 (40.5°F).
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure
Henderson, MD
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Henderson, MD
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.7mph - Average wind speed in April:
9.6mph - Average wind speed in May:
7.8mph - Average wind speed in June:
7.2mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6mph - Average wind speed in September:
7mph - Average wind speed in October:
8.3mph - Average wind speed in November:
8.6mph - Average wind speed in December:
8.8mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Henderson, MD
The months with the highest relative humidity are May and August (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall
Henderson, MD
- Average rainfall in January:
1.97" - Average rainfall in February:
2.4" - Average rainfall in March:
2.68" - Average rainfall in April:
2.48" - Average rainfall in May:
2.72" - Average rainfall in June:
2.99"
- Average rainfall in July:
3.46" - Average rainfall in August:
3.27" - Average rainfall in September:
2.05" - Average rainfall in October:
2.95" - Average rainfall in November:
2.13" - Average rainfall in December:
2.87"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days
Henderson, MD
- Average rainfall days in January:
9.6 days - Average rainfall days in February:
10.2 days - Average rainfall days in March:
13.5 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
15.6 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is November (8.5 days).
Average snowfall
Henderson, MD
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Henderson, MD
- Average snowfall days in January:
3.9 days - Average snowfall days in February:
3.1 days - Average snowfall days in March:
2.3 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:
0.4 days - Average snowfall days in December:
2.4 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Henderson, MD
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
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 12min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 42min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days
Henderson, MD
- Average sunshine days in January:
18.4 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
15 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
12.7 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
17.6 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.5 days).
Average UV index
Henderson, 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 and December (UV index 2).
Average cloud cover
Henderson, MD
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Henderson, 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).





