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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, the same as December, is an icy winter month in Mortonville, Pennsylvania, with an average temperature ranging between max 35.6°F (2°C) and min 23.4°F (-4.8°C). Mortonville records the coldest temperatures in January, averaging a high of 35.6°F (2°C) and a low of 23.4°F (-4.8°C). Weather in January »
Weather in February
February, the last month of the winter in Mortonville, is another cold month, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 39.6°F (4.2°C). Mortonville, Pennsylvania, experiences an average high-temperature of a still wintry 39.6°F (4.2°C) with the onset of February, subtly varied from January's 35.6°F (2°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Mortonville, Pennsylvania, with an average temperature varying between 48°F (8.9°C) and 33.1°F (0.6°C). Mortonville's transition into March is marked by a minor temperature shift, moving from an icy 39.6°F (4.2°C) in February to a frosty 48°F (8.9°C). Weather in March »
Weather in April
April is a mild spring month in Mortonville, Pennsylvania, with temperature in the range of an average high of 60.3°F (15.7°C) and an average low of 42.8°F (6°C). As April arrives, Mortonville's weather shows an increase in high-temperatures, moving from March's frosty 48°F (8.9°C) to a mild 60.3°F (15.7°C). Weather in April »
Weather in May
May, the last month of the spring in Mortonville, is an agreeable month, with an average temperature fluctuating between 70.3°F (21.3°C) and 52.7°F (11.5°C). As Mortonville, Pennsylvania, enters May, the average high-temperature increases from the a mild 60.3°F (15.7°C) of April to a pleasant 70.3°F (21.3°C). Weather in May »
Weather in June
June, the first month of the summer in Mortonville, is a warm month, with an average temperature ranging between min 60.4°F (15.8°C) and max 78.1°F (25.6°C). June's onset brings a subtle temperature rise, moving from a pleasant 70.3°F (21.3°C) in May to a warm 78.1°F (25.6°C). Weather in June »
Weather in July
July, like June, in Mortonville, Pennsylvania, is another warm summer month, with an average temperature fluctuating between 65.8°F (18.8°C) and 83.5°F (28.6°C). July, on average, is the warmest month, registering a high temperature of 83.5°F (28.6°C) and a low of 65.8°F (18.8°C). The heat index value during July is estimated at a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Mortonville, is also a moderately hot month, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 81.1°F (27.3°C). Mortonville's weather in August, with an average high-temperature of a still moderately hot 81.1°F (27.3°C), subtly shifts from July's 83.5°F (28.6°C). Weather in August »
Weather in September
September, the first month of the autumn in Mortonville, is still a warm month, with an average temperature varying between 57.4°F (14.1°C) and 74.8°F (23.8°C). The beginning of September brings a slight decrease in the average high-temperature, transitioning from 81.1°F (27.3°C) in August to a still warm 74.8°F (23.8°C). Weather in September »
Weather in October
October, like September, in Mortonville, Pennsylvania, is another comfortable autumn month, with an average temperature fluctuating between 63°F (17.2°C) and 48°F (8.9°C). The beginning of October involves a decrease in the average high-temperature, transitioning from a warm 74.8°F (23.8°C) in September to a comfortable 63°F (17.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Mortonville, is also a fresh month, with an average temperature fluctuating between 36.9°F (2.7°C) and 50.9°F (10.5°C). November indicates a shift in the average high-temperature, from October's refreshing 63°F (17.2°C) to a cool 50.9°F (10.5°C). Weather in November »
Weather in December
December, the first month of the winter in Mortonville, is also a wintry month, with an average temperature varying between 30.6°F (-0.8°C) and 41.9°F (5.5°C). The average high-temperature decreases in December, shifting from a fresh 50.9°F (10.5°C) in November to a wintry 41.9°F (5.5°C). Weather in December »
Updated: Aug 29, 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 month is the coldest?
The month of January sees the average lowest temperatures, reaching 35.6°F (2°C) at the peak and 23.4°F (-4.8°C) at the low.
How many days does it rain?
In Mortonville, during the entire year, the rain falls for 138.3 days and collects up to 19.76" (502mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
Throughout the year, there are 19.6 snowfall days, and 7.64" (194mm) of snow is accumulated.
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 driest month?
February is the month with the least rainfall. Rain falls for 6.9 days and accumulates 1.14" (29mm) of precipitation.
What is the month with the least sunshine?
With an average of 4.5h of sunshine, February has the least sunshine of the year.
When does it snow the most?
The month with the most snowfall is March, when snow falls for 4.3 days and typically aggregates up to 2.32" (59mm) of snow.
When is Daylight Saving Time (DST)?
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.
What is the least humid month?
April is the least humid month, with an average relative humidity of 76%.
What are the most humid months?
The months with the highest humidity are May and October, with an average relative humidity of 81%.
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 it does not snow?
In Mortonville, snow does not fall in June through September.
When are the longest days in Mortonville?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What is the hottest time of year?
July is the month when Mortonville sees the average highest temperatures, with a high of 83.5°F (28.6°C) and a low of 65.8°F (18.8°C).
What month has the most sunshine?
With an average of 10.4h of sunshine, July has the most sunshine of the year.
What is the wettest month?
August is the month with the most rainfall. Rain falls for 14.8 days and accumulates 2.72" (69mm) of precipitation.
What is the month with the shortest days in Mortonville?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Mortonville, PA
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.6°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure
Mortonville, 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:
30.13"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
Mortonville, PA
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.8mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.6mph - 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:
5.2mph - Average wind speed in September:
5.7mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8.3mph
The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Mortonville, PA
The months with the highest relative humidity are May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Mortonville, PA
- Average rainfall in January:
1.26" - Average rainfall in February:
1.14" - Average rainfall in March:
1.5" - Average rainfall in April:
1.61" - Average rainfall in May:
1.85" - Average rainfall in June:
1.89"
- Average rainfall in July:
2.17" - Average rainfall in August:
2.72" - Average rainfall in September:
1.38" - Average rainfall in October:
1.46" - Average rainfall in November:
1.26" - Average rainfall in December:
1.54"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days
Mortonville, PA
- Average rainfall days in January:
6.4 days - Average rainfall days in February:
6.9 days - Average rainfall days in March:
11.1 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
14.9 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
8.7 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.4 days).
Average snowfall
Mortonville, PA
- Average snowfall in January:
1.65" - Average snowfall in February:
1.5" - Average snowfall in March:
2.32" - Average snowfall in April:
0.28" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mortonville, PA
- Average snowfall days in January:
5.8 days - Average snowfall days in February:
5.1 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
0.5 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:
0.1 days - Average snowfall days in November:
1 days - Average snowfall days in December:
2.7 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Mortonville, 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 4min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Mortonville, PA
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
16 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
13 days - Average sunshine days in June:
12.6 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
13.2 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
20 days - Average sunshine days in December:
19.3 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (12.4 days).
Average UV index
Mortonville, 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
Mortonville, PA
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility
Mortonville, 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).
Mortonville, Pennsylvania, USA
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