Climate and monthly weather forecastWilliamsport, IN
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Williamsport, Indiana, with an average temperature ranging between max 32°F (0°C) and min 20.1°F (-6.6°C). January is the coldest month, exhibiting average temperatures of 32°F (0°C) at the peak and 20.1°F (-6.6°C) at the base. Weather in January »Weather in February
The last month of the winter, February, is another cold month in Williamsport, Indiana, with temperature in the range of an average low of 23.7°F (-4.6°C) and an average high of 36.3°F (2.4°C). With the onset of February, the average high-temperature registers at a still icy 36.3°F (2.4°C), subtly different from January's 32°F (0°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Williamsport, Indiana, with an average temperature ranging between max 49.1°F (9.5°C) and min 34.5°F (1.4°C). The arrival of March brings a change in Williamsport's weather, with average high-temperatures moving from February's cold 36.3°F (2.4°C) to a chilly 49.1°F (9.5°C). Weather in March »Weather in April
April in Williamsport, Indiana, is a comfortable spring month, with temperature in the range of an average low of 44.4°F (6.9°C) and an average high of 60.8°F (16°C). The shift into April is characterized by a rise in the average high-temperature, transitioning from March's frosty 49.1°F (9.5°C) to an enjoyable 60.8°F (16°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Williamsport, Indiana, with an average temperature ranging between min 54.9°F (12.7°C) and max 71.8°F (22.1°C). As Williamsport, Indiana, welcomes May, the average high-temperature sees a rise, transitioning from a refreshing 60.8°F (16°C) in April to a pleasant 71.8°F (22.1°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Williamsport, Indiana, with an average temperature ranging between max 79.3°F (26.3°C) and min 63°F (17.2°C). In Williamsport, stepping into June brings a gentle temperature nudge, moving slightly up from May's agreeable 71.8°F (22.1°C) to a moderately hot 79.3°F (26.3°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Williamsport, Indiana, with an average temperature ranging between max 81.5°F (27.5°C) and min 64.4°F (18°C). July, with its average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 64.4°F (18°C), holds the record as the warmest month. In July, the heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Williamsport, Indiana, with an average temperature fluctuating between 62.8°F (17.1°C) and 80.2°F (26.8°C). The onset of August notes an average high-temperature of a still warm 80.2°F (26.8°C), subtly shifted from July's 81.5°F (27.5°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 min 57.6°F (14.2°C) and max 75.7°F (24.3°C). In September, Williamsport experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 80.2°F (26.8°C) in August to a still moderately hot 75.7°F (24.3°C). Weather in September »Weather in October
October, like September, in Williamsport, Indiana, is another comfortable autumn month, with an average temperature varying between 47.1°F (8.4°C) and 63°F (17.2°C). The commencement of October indicates a shift in the average high-temperature, receding from September's moderately hot 75.7°F (24.3°C) to a comfortable 63°F (17.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Williamsport, Indiana, with temperature in the range of an average high of 48.7°F (9.3°C) and an average low of 35.2°F (1.8°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from a refreshing 63°F (17.2°C) in October to a frosty 48.7°F (9.3°C). Weather in November »Weather in December
December, the first month of the winter in Williamsport, is still a cold month, with temperature in the range of an average high of 37.6°F (3.1°C) and an average low of 27.3°F (-2.6°C). A shift in Williamsport's weather is observed as November turns into December, with the average high temperature reducing from a chilly 48.7°F (9.3°C) to a wintry 37.6°F (3.1°C). Weather in December »Updated: Feb 12, 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
In Williamsport, January is known for its average lowest temperatures, reaching a high of 32°F (0°C) and a low of 20.1°F (-6.6°C).
Throughout the year, there are 161.5 rainfall days, and 27.91" (709mm) of precipitation is accumulated.
January through April, November and December are months with snowfall.
In Williamsport, Indiana, during the entire year, snow falls for 37.6 days and aggregates up to 10.59" (269mm) of snow.
January has the least sunshine of the year in Williamsport, Indiana, with an average of 4.1h of sunshine.
The month with the most snowfall is February, when snow falls for 9.6 days and typically aggregates up to 3.27" (83mm) of snow.
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 April, when the rain falls for 16.1 days and typically aggregates up to 3.39" (86mm) of precipitation.
May through October are months without snowfall in Williamsport, Indiana.
The month with the longest days in Williamsport, Indiana, is June, with an average of 15h and 0min of daylight.
The month with the most sunshine in Williamsport is June, with an average of 10.1h of sunshine.
The months with the highest UV index in Williamsport, Indiana, are June through August, with an average maximum UV index of 6.
Williamsport experiences its average highest temperatures in July, reaching a peak of 81.5°F (27.5°C) and a minimum of 64.4°F (18°C).
With an average relative humidity of 84%, July is the most humid month.
The month with the least rainfall in Williamsport is September, when the rain falls for 12.6 days and typically collects 1.5" (38mm) of precipitation.
October is the least humid month in Williamsport, with an average relative humidity of 73%.
The month with the shortest days in Williamsport is December, with an average of 9h and 24min of daylight.
With an average maximum UV index of 1, December is the month with the lowest UV index in Williamsport, Indiana.
Average temperature
Williamsport, IN
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure
Williamsport, IN
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Williamsport, IN
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.2mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity
Williamsport, IN
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Williamsport, IN
- Average rainfall in January:
1.77" - Average rainfall in February:
1.61" - Average rainfall in March:
2.52" - Average rainfall in April:
3.39" - Average rainfall in May:
3.31" - Average rainfall in June:
3.03"
- Average rainfall in July:
2.72" - Average rainfall in August:
2.52" - Average rainfall in September:
1.5" - Average rainfall in October:
2.17" - Average rainfall in November:
1.73" - Average rainfall in December:
1.65"
The wettest month (with the highest rainfall) is April (3.39").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days
Williamsport, IN
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
19.4 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
18.7 days - Average rainfall days in August:
16.2 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
10 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (7.3 days).
Average snowfall
Williamsport, IN
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Williamsport, IN
- Average snowfall days in January:
11 days - Average snowfall days in February:
9.6 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
1.2 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:
0.2 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
8.5 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Williamsport, IN
- Average daylight in January:
9h and 42min - 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:
15h and 0min
- Average daylight in July:
14h and 42min - 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: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 6min - Average sunshine in February:
5h and 12min - Average sunshine in March:
6h and 18min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 42min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
9h and 18min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 42min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Williamsport, IN
- Average sunshine days in January:
13.8 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
9 days - Average sunshine days in August:
11.7 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
15.9 days - Average sunshine days in November:
17.8 days - Average sunshine days in December:
14.5 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (9 days).
Average UV index
Williamsport, IN
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Williamsport, IN
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are June and August (Cloud cover 32).
Average visibility
Williamsport, IN
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
