Climate and monthly weather forecastWest Sunbury, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, in West Sunbury, Pennsylvania, is another subzero cold winter month, with an average temperature fluctuating between 18.9°F (-7.3°C) and 31.5°F (-0.3°C). West Sunbury's coldest temperatures are experienced in January, with average high temperatures of 31.5°F (-0.3°C) and lows of 18.9°F (-7.3°C). Weather in January »Weather in February
The last month of the winter, February, is an icy month in West Sunbury, Pennsylvania, with an average temperature varying between 20.7°F (-6.3°C) and 35.6°F (2°C). West Sunbury's February showcases an average high-temperature of an icy 35.6°F (2°C), hardly distinct from January's 31.5°F (-0.3°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in West Sunbury, Pennsylvania, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 29.3°F (-1.5°C). March brings an increase in the average high-temperature, progressing from a wintry 35.6°F (2°C) in February to a chilly 45.5°F (7.5°C). Weather in March »Weather in April
April is a moderate spring month in West Sunbury, Pennsylvania, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 39.4°F (4.1°C). An increase in the average high-temperature marks April, moving from March's chilly 45.5°F (7.5°C) to a moderate 58.1°F (14.5°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in West Sunbury, Pennsylvania, with temperature in the range of an average low of 49.5°F (9.7°C) and an average high of 70.3°F (21.3°C). With the arrival of May, the average high-temperature transitions from a refreshing 58.1°F (14.5°C) in April to a pleasant 70.3°F (21.3°C). Weather in May »Weather in June
June, the first month of the summer in West Sunbury, is a moderately hot month, with an average temperature varying between 77.4°F (25.2°C) and 56.3°F (13.5°C). The shift into June is marked by a modest rise in the average high-temperature, moving from May's pleasant 70.3°F (21.3°C) to a moderately hot 77.4°F (25.2°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in West Sunbury, Pennsylvania, with an average temperature ranging between min 60.6°F (15.9°C) and max 81.5°F (27.5°C). July, recording an average high temperature of 81.5°F (27.5°C) and a low temperature of 60.6°F (15.9°C), is West Sunbury's warmest month. The heat index for July is evaluated at a hot 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in West Sunbury, Pennsylvania, with an average temperature ranging between min 58.6°F (14.8°C) and max 80.1°F (26.7°C). The beginning of August reveals an average high-temperature of a still warm 80.1°F (26.7°C), showing minimal deviation from the previous month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in West Sunbury, Pennsylvania, with an average temperature ranging between max 73.6°F (23.1°C) and min 54.1°F (12.3°C). As August transitions into September, West Sunbury sees a gentle drop in the average high-temperature, transitioning from a moderately hot 80.1°F (26.7°C) to a still warm 73.6°F (23.1°C). Weather in September »Weather in October
October, the same as September, in West Sunbury, Pennsylvania, is a moderate autumn month, with an average temperature ranging between max 60.3°F (15.7°C) and min 43.7°F (6.5°C). The average high-temperature decreases in October, shifting from a warm 73.6°F (23.1°C) in September to a refreshing 60.3°F (15.7°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in West Sunbury, Pennsylvania, with an average temperature ranging between min 32.9°F (0.5°C) and max 47.3°F (8.5°C). November's arrival coincides with a drop in the average high-temperature, decreasing from October's refreshing 60.3°F (15.7°C) to a frosty 47.3°F (8.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in West Sunbury, Pennsylvania, with an average temperature ranging between max 37.8°F (3.2°C) and min 26.4°F (-3.1°C). With the beginning of December, the average high-temperature shows a decrease, transitioning from a chilly 47.3°F (8.5°C) in November to an icy 37.8°F (3.2°C). Weather in December »Updated: Jun 4, 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
West Sunbury's temperature records reveal January as the coldest month, marked by average highs of 31.5°F (-0.3°C) and lows of 18.9°F (-7.3°C).
January and February, with an average relative humidity of 87%, are most humid months.
Throughout the year, there are 177.9 rainfall days, and 37.56" (954mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 18.5 days and accumulates 8.5" (216mm) of snow.
Throughout the year, there are 72.7 snowfall days, and 31.93" (811mm) of snow is accumulated.
With an average of 2.4h of sunshine, January has the least sunshine of the year.
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
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 months with the lowest humidity are April, July and August, with an average relative humidity of 78%.
The month with the most rainfall is April, when the rain falls for 17.7 days and typically aggregates up to 3.9" (99mm) of precipitation.
June through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 6min of daylight.
July proves to be the warmest month in West Sunbury, recording an average peak temperature of 81.5°F (27.5°C) and a minimum temperature of 60.6°F (15.9°C).
With an average maximum UV index of 6, July is the month with the highest UV index.
August has the most sunshine of the year, with an average of 9.9h of sunshine.
November is the month with the least rainfall. Rain falls for 11.5 days and accumulates 2.36" (60mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
West Sunbury, PA
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.5°F).
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
West Sunbury, PA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"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:
30.05"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
West Sunbury, PA
- Average wind speed in January:
8.2mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity
West Sunbury, PA
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April, July and August (78%).
Average rainfall
West Sunbury, PA
- Average rainfall in January:
2.8" - Average rainfall in February:
2.8" - Average rainfall in March:
2.8" - Average rainfall in April:
3.9" - Average rainfall in May:
3.78" - Average rainfall in June:
3.78"
- Average rainfall in July:
3.7" - Average rainfall in August:
2.64" - Average rainfall in September:
2.87" - Average rainfall in October:
3.27" - Average rainfall in November:
2.36" - Average rainfall in December:
2.87"
The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is November (2.36").
Average rainfall days
West Sunbury, PA
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
9.4 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
17.7 days - Average rainfall days in May:
20.1 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
19.6 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
16.1 days - Average rainfall days in October:
16.5 days - Average rainfall days in November:
11.5 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (7.9 days).
Average snowfall
West Sunbury, PA
- Average snowfall in January:
8.5" - Average snowfall in February:
8.35" - Average snowfall in March:
3.86" - Average snowfall in April:
1.26" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is January (8.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
West Sunbury, PA
- Average snowfall days in January:
18.5 days - Average snowfall days in February:
16.6 days - Average snowfall days in March:
10.3 days - Average snowfall days in April:
3.8 days - Average snowfall days in May:
0.4 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:
0.6 days - Average snowfall days in November:
6.9 days - Average snowfall days in December:
15.6 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
West Sunbury, PA
- Average daylight in January:
9h and 36min - 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 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
2h and 24min - Average sunshine in February:
3h and 0min - Average sunshine in March:
5h and 0min - Average sunshine in April:
6h and 54min - Average sunshine in May:
8h and 18min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 0min - Average sunshine in October:
4h and 48min - Average sunshine in November:
4h and 24min - Average sunshine in December:
2h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days
West Sunbury, PA
- Average sunshine days in January:
8.2 days - Average sunshine days in February:
7.1 days - Average sunshine days in March:
9.9 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
9.1 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
11.4 days - Average sunshine days in September:
12.4 days - Average sunshine days in October:
12 days - Average sunshine days in November:
13.8 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (7.1 days).
Average UV index
West Sunbury, PA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
West Sunbury, PA
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility
West Sunbury, PA
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
