Expand
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
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in West Norriton, Pennsylvania, with an average temperature ranging between max 36.7°F (2.6°C) and min 24.3°F (-4.3°C). In West Norriton, January records the lowest average temperatures, peaking at 36.7°F (2.6°C) and reaching a low of 24.3°F (-4.3°C). Weather in January »
Weather in February
February, the last month of the winter in West Norriton, is another cold month, with an average temperature varying between 39.7°F (4.3°C) and 26.1°F (-3.3°C). The advent of February reveals an average high-temperature of a still icy 39.7°F (4.3°C), showing minimal difference from the prior month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in West Norriton, Pennsylvania, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 48.6°F (9.2°C). March's arrival signals a modest temperature shift, moving from an icy 39.7°F (4.3°C) in February to a frosty 48.6°F (9.2°C). Weather in March »
Weather in April
April in West Norriton, Pennsylvania, is an enjoyable spring month, with an average temperature fluctuating between 43.7°F (6.5°C) and 60.8°F (16°C). The onset of April brings a rise in the average high-temperature, elevating from a frosty 48.6°F (9.2°C) in March to an enjoyable 60.8°F (16°C). Weather in April »
Weather in May
May, the last month of the spring in West Norriton, is a pleasant month, with an average temperature fluctuating between 71.4°F (21.9°C) and 53.4°F (11.9°C). As May arrives, a rise in the average high-temperature is observed, moving from a refreshing 60.8°F (16°C) in April to a pleasant 71.4°F (21.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in West Norriton, Pennsylvania, with an average temperature ranging between min 61.5°F (16.4°C) and max 79.5°F (26.4°C). The beginning of June marks a minor shift in the average high-temperature, moving from May's pleasant 71.4°F (21.9°C) to a moderately hot 79.5°F (26.4°C). Weather in June »
Weather in July
July, like June, in West Norriton, Pennsylvania, is another warm summer month, with an average temperature varying between 67.5°F (19.7°C) and 85.6°F (29.8°C). July, with an average high of 85.6°F (29.8°C) and a low of 67.5°F (19.7°C), signifies the warmest month of the year. For July, the heat index is calculated to be a torrid 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in West Norriton, is another warm month, with an average temperature ranging between max 83.3°F (28.5°C) and min 66°F (18.9°C). With the onset of August, the average high-temperature stands at a still moderately hot 83.3°F (28.5°C), closely aligned with July's 85.6°F (29.8°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in West Norriton, Pennsylvania, with an average temperature ranging between max 76.1°F (24.5°C) and min 59°F (15°C). West Norriton's weather subtly changes with the onset of September, barely falling from a moderately hot 83.3°F (28.5°C) in August to a still warm 76.1°F (24.5°C). Weather in September »
Weather in October
October, like September, in West Norriton, Pennsylvania, is another refreshing autumn month, with an average temperature fluctuating between 48.7°F (9.3°C) and 63.7°F (17.6°C). As September transitions into October, West Norriton sees a drop in the average high-temperature, transitioning from a warm 76.1°F (24.5°C) to a refreshing 63.7°F (17.6°C). Weather in October »
Weather in November
November, the last month of the autumn in West Norriton, is also a fresh month, with temperature in the range of an average high of 51.6°F (10.9°C) and an average low of 37.6°F (3.1°C). A change in temperatures is noted as October gives way to November, with average highs reducing from a comfortable 63.7°F (17.6°C) to a cool 51.6°F (10.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in West Norriton, Pennsylvania, with an average temperature fluctuating between 42.6°F (5.9°C) and 30.9°F (-0.6°C). The commencement of December involves a temperature shift, with the average high-temperature dropping from a fresh 51.6°F (10.9°C) in November to a cold 42.6°F (5.9°C). Weather in December »
Updated: Aug 6, 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?
The month of January, characterized by an average high of 36.7°F (2.6°C) and a low of 24.3°F (-4.3°C), is recognized as the coldest.
How much does it rain?
Throughout the year, there are 138.2 rainfall days, and 15.59" (396mm) of precipitation is accumulated.
When does it snow?
January through March, May and December are months with snowfall.
How much does it snow?
In West Norriton, Pennsylvania, during the entire year, snow falls for 15.8 days and aggregates up to 2.13" (54mm) of snow.
When is the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month?
February and October, with an average relative humidity of 79%, are most humid months.
What is the driest month?
February is the month with the least rainfall. Rain falls for 8.8 days and accumulates 0.91" (23mm) of precipitation.
What is the snowiest month?
The months with the most snowfall are February and March, with an average 0.55" (14mm) of accumulated snow.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 4.8h of sunshine.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in West Norriton, 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 are the least humid months?
The months with the lowest humidity are April and July, with an average relative humidity of 72%.
When it does not snow?
In West Norriton, snow does not fall in April, June through November.
When is 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?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What are the warmest months?
July is the month when West Norriton sees the average highest temperatures, with a high of 85.6°F (29.8°C) and a low of 67.5°F (19.7°C).
What is the rainiest month?
July is the month with the most rainfall. Rain falls for 15 days and accumulates 1.89" (48mm) of precipitation.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.7h of sunshine.
What is the month with the shortest days?
The month with the shortest days in West Norriton is December, with an average of 9h and 24min of daylight.
Average temperature
West Norriton, PA
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.7°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
West Norriton, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
West Norriton, PA
- Average wind speed in January:
8mph - Average wind speed in February:
8mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.2mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity
West Norriton, PA
The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall
West Norriton, PA
- Average rainfall in January:
0.98" - Average rainfall in February:
0.91" - Average rainfall in March:
1.1" - Average rainfall in April:
1.34" - Average rainfall in May:
1.77" - Average rainfall in June:
1.42"
The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days
West Norriton, PA
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
16 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
11 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
8.6 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (7.4 days).
Average snowfall
West Norriton, PA
The months with the highest snowfall are February and March (0.55").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days
West Norriton, PA
- Average snowfall days in January:
5.2 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
2.6 days - Average snowfall days in April:
0 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
2.6 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average daylight / Average sunshine
West Norriton, PA
- 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:
15h and 0min
- 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: 15h and 0min).
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 2min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 1min - 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:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
West Norriton, PA
- Average sunshine days in January:
20.2 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
15.7 days - Average sunshine days in April:
14.9 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
13.6 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
17.3 days - Average sunshine days in October:
18.2 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
19.9 days
The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are May and June (12.8 days).
Average UV index
West Norriton, PA
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, March, November and December (UV index 2).
Average cloud cover
West Norriton, PA
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
West Norriton, PA
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).