Climate and monthly weather forecastSeneca Upland, MD
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Seneca Upland, Maryland, with an average temperature ranging between max 37.8°F (3.2°C) and min 24.8°F (-4°C). Seneca Upland notes the coldest temperatures in January, with a high average of 37.8°F (3.2°C) and a low of 24.8°F (-4°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Seneca Upland, Maryland, with an average temperature ranging between min 27°F (-2.8°C) and max 42.1°F (5.6°C). In February, Seneca Upland experiences a minor shift in meteorological conditions with average high-temperatures marked at a still wintry 42.1°F (5.6°C), closely mirroring the climate in January. Weather in February »Weather in March
March, the first month of the spring in Seneca Upland, is a cool month, with an average temperature varying between 50.5°F (10.3°C) and 34.3°F (1.3°C). March's arrival brings a slight change in high-temperatures, adjusting from an icy 42.1°F (5.6°C) in February to a fresh 50.5°F (10.3°C). Weather in March »Weather in April
April in Seneca Upland, Maryland, is a refreshing spring month, with an average temperature fluctuating between 44.2°F (6.8°C) and 63°F (17.2°C). As March transitions into April, a change in temperatures is observed, with average highs moving from a cool 50.5°F (10.3°C) to a refreshing 63°F (17.2°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Seneca Upland, Maryland, with an average temperature fluctuating between 72.7°F (22.6°C) and 54.5°F (12.5°C). May's onset brings a rise in the average high-temperature, moving from a comfortable 63°F (17.2°C) in April to an agreeable 72.7°F (22.6°C). Weather in May »Weather in June
June, the first month of the summer in Seneca Upland, is a warm month, with an average temperature varying between 80.2°F (26.8°C) and 61.3°F (16.3°C). With the onset of June, Seneca Upland observes a minor temperature ascent, with the average high-temperature adjusting from May's agreeable 72.7°F (22.6°C) to a warm 80.2°F (26.8°C). Weather in June »Weather in July
July, like June, in Seneca Upland, Maryland, is another warm summer month, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 66.6°F (19.2°C). July tends to be the warmest month, with temperatures averaging a daily high of 85.6°F (29.8°C) and a low of 66.6°F (19.2°C). The heat index value for July is appraised at a sweltering 96.8°F (36°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Seneca Upland, Maryland, with an average temperature ranging between max 82.9°F (28.3°C) and min 64.9°F (18.3°C). Transitioning from July to August, Seneca Upland observes an average high-temperature of a still moderately hot 82.9°F (28.3°C), differing subtly from the previous month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Seneca Upland, Maryland, with temperature in the range of an average low of 58.6°F (14.8°C) and an average high of 76.5°F (24.7°C). As September begins, there is a minor decrease in the average high-temperature, softly falling from a warm 82.9°F (28.3°C) in August to a still moderately hot 76.5°F (24.7°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Seneca Upland, Maryland, with an average temperature varying between 48°F (8.9°C) and 64.6°F (18.1°C). Seneca Upland's October weather features a mild decline in high-temperatures, reducing from a warm 76.5°F (24.7°C) in September to an enjoyable 64.6°F (18.1°C). Weather in October »Weather in November
November, the last month of the autumn in Seneca Upland, is another cool month, with an average temperature ranging between max 52.3°F (11.3°C) and min 37°F (2.8°C). Setting in of November comes with a decrease in the average high-temperature, moving from a refreshing 64.6°F (18.1°C) in October to a fresh 52.3°F (11.3°C). Weather in November »Weather in December
December, the first month of the winter in Seneca Upland, is also a frosty month, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 31.1°F (-0.5°C). Seneca Upland observes a small decrease in the average high-temperature with the arrival of December, falling from November's cool 52.3°F (11.3°C) to a chilly 43.5°F (6.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Seneca Upland, 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 (37.8°F).
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure
Seneca Upland, 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
Seneca Upland, MD
- Average wind speed in January:
8mph - Average wind speed in February:
8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Seneca Upland, MD
The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall
Seneca Upland, MD
- Average rainfall in January:
1.93" - Average rainfall in February:
2.01" - Average rainfall in March:
2.28" - Average rainfall in April:
2.64" - Average rainfall in May:
3.19" - Average rainfall in June:
2.52"
- Average rainfall in July:
3.23" - Average rainfall in August:
3.82" - Average rainfall in September:
2.17" - Average rainfall in October:
2.48" - Average rainfall in November:
2.4" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days
Seneca Upland, MD
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
9.2 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
14.3 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Seneca Upland, MD
The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Seneca Upland, MD
- Average snowfall days in January:
6.3 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
4.5 days - Average snowfall days in April:
0.3 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:
0.2 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
3.5 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Seneca Upland, 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 18min - 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 12min - Average daylight in November:
10h and 0min - 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 0min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 48min - Average sunshine in April:
8h and 42min - Average sunshine in May:
8h and 42min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 6min - 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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days
Seneca Upland, MD
- Average sunshine days in January:
17.9 days - Average sunshine days in February:
14.5 days - Average sunshine days in March:
14 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
12.1 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
17.6 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.8 days).
Average UV index
Seneca Upland, 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
Seneca Upland, MD
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Seneca Upland, 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).





