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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 Williamsport, Maryland, is another cold winter month, with an average temperature fluctuating between 36.9°F (2.7°C) and 23.4°F (-4.8°C). January, marked by an average high-temperature of 36.9°F (2.7°C) and a low-temperature of 23.4°F (-4.8°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Williamsport, Maryland, with an average temperature varying between 25.7°F (-3.5°C) and 40.8°F (4.9°C). As Williamsport transitions into February, the average high-temperature stands at a still cold 40.8°F (4.9°C), offering little variation from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Williamsport, is a cool month, with an average temperature fluctuating between 32.7°F (0.4°C) and 50°F (10°C). March's onset is marked by a temperature increase, moving from an icy 40.8°F (4.9°C) in February to a cool 50°F (10°C). Weather in March »
Weather in April
April is a refreshing spring month in Williamsport, Maryland, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 42.6°F (5.9°C). The arrival of April brings an increase in high-temperatures, moving from a fresh 50°F (10°C) in March to a refreshing 62.4°F (16.9°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Williamsport, Maryland, with an average temperature ranging between min 52°F (11.1°C) and max 72.5°F (22.5°C). The transition to May introduces an increase in the average high-temperature, shifting from an enjoyable 62.4°F (16.9°C) in April to an agreeable 72.5°F (22.5°C). Weather in May »
Weather in June
June, the first month of the summer in Williamsport, is a moderately hot month, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 80.2°F (26.8°C). June's arrival is noted with a slight increase in the average high-temperature, moving from a pleasant 72.5°F (22.5°C) in May to a warm 80.2°F (26.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Williamsport, Maryland, with an average temperature fluctuating between 64°F (17.8°C) and 85.6°F (29.8°C). Williamsport's temperatures peak on average in July, reaching 85.6°F (29.8°C) at their highest and 64°F (17.8°C) at their lowest. July's mean heat index is appraised at a fiery hot 96.8°F (36°C). Weather in July »
Weather in August
August, the last month of the summer in Williamsport, is also a moderately hot month, with an average temperature varying between 62.2°F (16.8°C) and 83.1°F (28.4°C). Williamsport marks the onset of August with an average high-temperature of a still warm 83.1°F (28.4°C), subtly divergent from July's 85.6°F (29.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Williamsport, is still a warm month, with an average temperature ranging between max 76.1°F (24.5°C) and min 56.3°F (13.5°C). Williamsport's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's moderately hot 83.1°F (28.4°C) to a still warm 76.1°F (24.5°C). Weather in September »
Weather in October
October, like September, in Williamsport, Maryland, is another enjoyable autumn month, with temperature in the range of an average low of 46.2°F (7.9°C) and an average high of 63.9°F (17.7°C). The onset of October results in a decrease in the average high-temperature, receding from a moderately hot 76.1°F (24.5°C) in September to a comfortable 63.9°F (17.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Williamsport, is also a fresh month, with temperature in the range of an average high of 51.1°F (10.6°C) and an average low of 35.4°F (1.9°C). Williamsport's average high-temperature decreases in November, falling from a refreshing 63.9°F (17.7°C) in October to a fresh 51.1°F (10.6°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Williamsport, Maryland, with an average temperature varying between 29.7°F (-1.3°C) and 42.3°F (5.7°C). December ushers in a minute temperature change, with average high-temperatures reducing from November's fresh 51.1°F (10.6°C) to a cold 42.3°F (5.7°C). Weather in December »
Updated: Jul 20, 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 are the coldest months?
January tends to be the coldest month, with temperatures averaging a daily high of 36.9°F (2.7°C) and a low of 23.4°F (-4.8°C).
How much does it rain?
In Williamsport, during the entire year, the rain falls for 152.2 days and collects up to 26.02" (661mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
What is the snowiest month in Williamsport?
The month with the most snowfall is January, when snow falls for 6.2 days and typically aggregates up to 3.58" (91mm) of snow.
How much does it snow?
In Williamsport, during the entire year, snow falls for 20.8 days and aggregates up to 12.56" (319mm) of snow.
What are the months with the least sunshine?
January and February, with an average of 4.8h of sunshine, are months with the least sunshine in Williamsport.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Williamsport, 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 wettest month?
May is the month with the most rainfall in Williamsport, Maryland. Rain falls for 17.6 days and accumulates 2.91" (74mm) of precipitation.
When it does not snow?
In Williamsport, snow does not fall in May through October.
What is the month with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
The month with the longest days is June, with an average of 14h and 54min of daylight.
What month is the hottest?
July, characterized by an average high temperature of 85.6°F (29.8°C) and a low temperature of 64°F (17.8°C), is generally the warmest month.
What is the least humid month in Williamsport?
July is the least humid month, with an average relative humidity of 74%.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.6h of sunshine.
What is the driest month in Williamsport?
September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.61" (41mm) of precipitation.
What is the most humid month?
October is the most humid month, with an average relative humidity of 79%.
What is the month with the shortest days?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Williamsport, 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 (36.9°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure
Williamsport, 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:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"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 (29.95"Hg).
Average wind speed
Williamsport, MD
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.4mph - Average wind speed in March:
7.4mph - Average wind speed in April:
7.3mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.3mph - Average wind speed in September:
4.9mph - Average wind speed in October:
6.1mph - Average wind speed in November:
6.5mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity
Williamsport, MD
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall
Williamsport, MD
- Average rainfall in January:
1.73" - Average rainfall in February:
1.81" - Average rainfall in March:
2.01" - Average rainfall in April:
2.28" - Average rainfall in May:
2.91" - Average rainfall in June:
2.4"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.64" - Average rainfall in September:
1.61" - Average rainfall in October:
2.13" - Average rainfall in November:
1.73" - Average rainfall in December:
1.93"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days
Williamsport, MD
- Average rainfall days in January:
8.2 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
12.2 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
17.6 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
15.7 days - Average rainfall days in August:
15.7 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
12 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
9.6 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8.2 days).
Average snowfall
Williamsport, MD
The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Williamsport, MD
- Average snowfall days in January:
6.2 days - Average snowfall days in February:
5.9 days - Average snowfall days in March:
3.7 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:
0.9 days - Average snowfall days in December:
3.8 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Williamsport, MD
- Average daylight in January:
9h and 4min - 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 2min
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 5min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days
Williamsport, MD
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
15.5 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
13.5 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
18.1 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11.7 days).
Average UV index
Williamsport, 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
Williamsport, MD
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Williamsport, MD
The months with the highest visibility are February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are January, May, September and October (5mi).
Williamsport, Maryland, USA
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