Climate and monthly weather forecastWilliamsport, OH
Climate and monthly weather forecast
Weather in January
January, like December, in Williamsport, Ohio, is an icy winter month, with an average temperature fluctuating between 34.9°F (1.6°C) and 22.3°F (-5.4°C). In Williamsport, January records the lowest average temperatures, peaking at 34.9°F (1.6°C) and reaching a low of 22.3°F (-5.4°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Williamsport, Ohio, with an average temperature fluctuating between 39°F (3.9°C) and 25.2°F (-3.8°C). The arrival of February denotes a barely perceptible change in the average high-temperatures to a still cold 39°F (3.9°C) from January's 34.9°F (1.6°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Williamsport, Ohio, with an average temperature fluctuating between 34.2°F (1.2°C) and 50.2°F (10.1°C). Williamsport in March shows a temperature shift, moving from an average high of a wintry 39°F (3.9°C) in February to a fresh 50.2°F (10.1°C). Weather in March »Weather in April
April in Williamsport, Ohio, is a refreshing spring month, with temperature in the range of an average low of 44.1°F (6.7°C) and an average high of 62.1°F (16.7°C). In April, the average high-temperature increases from a cool 50.2°F (10.1°C) in March to a refreshing 62.1°F (16.7°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Williamsport, Ohio, with an average temperature ranging between max 72.7°F (22.6°C) and min 54°F (12.2°C). The shift into May is marked by a rise in the average high-temperature, moving from April's comfortable 62.1°F (16.7°C) to a pleasant 72.7°F (22.6°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Williamsport, Ohio, with an average temperature fluctuating between 79.7°F (26.5°C) and 61.2°F (16.2°C). As June begins, there's a slight increase in the average high-temperature, moving from a pleasant 72.7°F (22.6°C) in May to a moderately hot 79.7°F (26.5°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Williamsport, Ohio, with an average temperature fluctuating between 64.2°F (17.9°C) and 82.8°F (28.2°C). July is the month when Williamsport sees the highest average temperatures, with a high of 82.8°F (28.2°C) and a low of 64.2°F (17.9°C). During July, the heat index is appraised at a hot 89.6°F (32°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 ranging between max 82°F (27.8°C) and min 62.1°F (16.7°C). As Williamsport transitions from July to August, the average high-temperatures adjust to a still moderately hot 82°F (27.8°C), nearly the same as the previous 82.8°F (28.2°C). Weather in August »Weather in September
September, the first month of the autumn in Williamsport, is also a moderately hot month, with an average temperature fluctuating between 56.5°F (13.6°C) and 76.3°F (24.6°C). As September commences, the average high-temperature subtly reduces, transitioning from 82°F (27.8°C) in August to a still moderately hot 76.3°F (24.6°C). Weather in September »Weather in October
October, like September, in Williamsport, Ohio, is another comfortable autumn month, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 46.2°F (7.9°C). The decrease of average high-temperatures is mild in October, with a decline from a warm 76.3°F (24.6°C) in September to a refreshing 63.9°F (17.7°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Williamsport, Ohio, with temperature in the range of an average high of 50.5°F (10.3°C) and an average low of 36°F (2.2°C). Williamsport's November weather shows a moderate shift in high-temperatures, falling from October's comfortable 63.9°F (17.7°C) to a cool 50.5°F (10.3°C). Weather in November »Weather in December
December, the first month of the winter in Williamsport, is also a wintry month, with temperature in the range of an average high of 40.5°F (4.7°C) and an average low of 29.7°F (-1.3°C). In Williamsport, the average high-temperature in December drops from a fresh 50.5°F (10.3°C) in November to an icy 40.5°F (4.7°C). Weather in December »Updated: Aug 14, 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 brings the lowest temperatures, with an average high of 34.9°F (1.6°C) and an average low of 22.3°F (-5.4°C).
The months with the highest humidity are January and February, with an average relative humidity of 82%.
Throughout the year, there are 168.9 rainfall days, and 32.4" (823mm) of precipitation is accumulated.
January through April, October through December are months with snowfall.
The months with the most snowfall are January and February, with an average 3.43" (87mm) of accumulated snow.
In Williamsport, during the entire year, snow falls for 39.4 days and aggregates up to 13.58" (345mm) of snow.
With an average of 3.7h of sunshine, January has the least sunshine of the year.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
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.
The month with the most rainfall is May, when the rain falls for 18.8 days and typically aggregates up to 3.74" (95mm) of precipitation.
May through September are months without snowfall.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
With an average of 14h and 54min of daylight, June has the longest days of the year.
In Williamsport, July registers the highest temperatures, averaging 82.8°F (28.2°C) at the peak and 64.2°F (17.9°C) at the lowest.
August has the most sunshine of the year, with an average of 10.5h of sunshine.
September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 1.93" (49mm) of precipitation.
The months with the lowest humidity are October and November, with an average relative humidity of 75%.
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Williamsport, OH
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.9°F).
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure
Williamsport, OH
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Williamsport, OH
- Average wind speed in January:
8.9mph - Average wind speed in February:
8.8mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.6mph - Average wind speed in May:
6.9mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.7mph - Average wind speed in October:
7.2mph - Average wind speed in November:
7.8mph - Average wind speed in December:
8.3mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity
Williamsport, OH
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall
Williamsport, OH
- Average rainfall in January:
2.28" - Average rainfall in February:
2.56" - Average rainfall in March:
2.99" - Average rainfall in April:
3.23" - Average rainfall in May:
3.74" - Average rainfall in June:
2.8"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days
Williamsport, OH
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
16.4 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
18.6 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
11.7 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (9.7 days).
Average snowfall
Williamsport, OH
The months with the highest snowfall are January and February (3.43").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Williamsport, OH
- Average snowfall days in January:
11.9 days - Average snowfall days in February:
9.1 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
0.9 days - Average snowfall days in May:
0.2 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:
0.1 days - Average snowfall days in November:
3 days - Average snowfall days in December:
8.4 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Williamsport, OH
- 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:
3h and 42min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 48min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 30min - Average sunshine in September:
8h and 12min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Williamsport, OH
- Average sunshine days in January:
11.9 days - Average sunshine days in February:
11 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
12 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
14 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
12.9 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.2 days).
Average UV index
Williamsport, OH
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, OH
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Williamsport, OH
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
