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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 a wintry winter month in Fullerton, Pennsylvania, with an average temperature fluctuating between 34°F (1.1°C) and 21.6°F (-5.8°C). Fullerton reaches its lowest average temperatures in January, measuring 34°F (1.1°C) at the peak and 21.6°F (-5.8°C) at the lowest. Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Fullerton, Pennsylvania, with an average temperature fluctuating between 37.8°F (3.2°C) and 23.4°F (-4.8°C). Transitioning into February, Fullerton experiences an average high-temperature of a still wintry 37.8°F (3.2°C), marking a minor shift from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Fullerton, is a frosty month, with an average temperature varying between 30°F (-1.1°C) and 45.9°F (7.7°C). The embrace of March brings a minor uplift in the average high-temperature, shifting from a cold 37.8°F (3.2°C) in February to a chilly 45.9°F (7.7°C). Weather in March »
Weather in April
April in Fullerton, Pennsylvania, is a moderate spring month, with an average temperature fluctuating between 40.5°F (4.7°C) and 58.3°F (14.6°C). Fullerton sees an increase in average high-temperatures during April, moving from a chilly 45.9°F (7.7°C) in March to a refreshing 58.3°F (14.6°C). Weather in April »
Weather in May
May, the last month of the spring in Fullerton, is a pleasant month, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 69.4°F (20.8°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a mild 58.3°F (14.6°C) in April to an agreeable 69.4°F (20.8°C). Weather in May »
Weather in June
June, the first month of the summer in Fullerton, is a warm month, with an average temperature fluctuating between 58.1°F (14.5°C) and 77.5°F (25.3°C). With the onset of June, Fullerton's average high-temperature sees a modest rise, moving from May's pleasant 69.4°F (20.8°C) to a warm 77.5°F (25.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Fullerton, Pennsylvania, with an average temperature ranging between min 63.5°F (17.5°C) and max 83.8°F (28.8°C). With an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 63.5°F (17.5°C), July is the warmest month. The heat index value for July is evaluated at a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Fullerton, is another warm month, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 81°F (27.2°C). Fullerton, Pennsylvania, in August witnesses an average high-temperature of a still warm 81°F (27.2°C), indicating a slight variation from July's 83.8°F (28.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Fullerton, is still a warm month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 74.3°F (23.5°C). September's arrival aligns with a minor decrease in average high-temperatures, from August's 81°F (27.2°C) to a still moderately hot 74.3°F (23.5°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Fullerton, Pennsylvania, with an average temperature fluctuating between 46.2°F (7.9°C) and 62.1°F (16.7°C). Arrival of October comes with a reduction in the average high-temperature, falling from a moderately hot 74.3°F (23.5°C) in September to a comfortable 62.1°F (16.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Fullerton, Pennsylvania, with an average temperature fluctuating between 35.4°F (1.9°C) and 49.8°F (9.9°C). As October transitions to November, the average high-temperature falls from an enjoyable 62.1°F (16.7°C) to a frosty 49.8°F (9.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Fullerton, Pennsylvania, with an average temperature ranging between max 40.1°F (4.5°C) and min 28.9°F (-1.7°C). December brings a decrease in the average high-temperature, falling from November's chilly 49.8°F (9.9°C) to a wintry 40.1°F (4.5°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Fullerton?
January is the coldest month, with the temperature often reaching an average high of 34°F (1.1°C) and an average low of 21.6°F (-5.8°C).
How many days does it rain in Fullerton?
In Fullerton, during the entire year, the rain falls for 145.1 days and collects up to 27.24" (692mm) of precipitation.
When does it snow in Fullerton?
January through May, October through December are months with snowfall.
How much does it snow in Fullerton?
Throughout the year, in Fullerton, there are 20.4 snowfall days, and 13.82" (351mm) of snow is accumulated.
What are the months with the lowest UV index in Fullerton?
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 in Fullerton?
With an average relative humidity of 82%, February is the most humid month in Fullerton.
What is the month with the least sunshine in Fullerton?
February has the least sunshine of the year, with an average of 4.4h of sunshine.
What is the snowiest month in Fullerton?
March is the month with the most snowfall. Snow falls for 5.3 days and accumulates 4.37" (111mm) of snow.
When is Daylight Saving Time (DST) in Fullerton?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Fullerton, 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 in Fullerton?
The months with the lowest humidity in Fullerton, Pennsylvania, are April and July, with an average relative humidity of 76%.
When it does not snow in Fullerton?
In Fullerton, Pennsylvania, snow does not fall in June through September.
When are the longest days in Fullerton?
The month with the longest days in Fullerton, Pennsylvania, is June, with an average of 15h and 0min of daylight.
What is the month with the highest UV index in Fullerton?
June and July, with an average maximum UV index of 6, are months with the highest UV index in Fullerton, Pennsylvania.
What part of the year is the hottest in Fullerton?
The temperatures in Fullerton reach their highest averages in July, with highs of 83.8°F (28.8°C) and lows of 63.5°F (17.5°C).
What is the wettest month in Fullerton?
July is the month with the most rainfall. Rain falls for 15.7 days and accumulates 3.03" (77mm) of precipitation.
What month has the most sunshine in Fullerton?
The month with the most sunshine is July, with an average of 10.4h of sunshine.
What is the driest month in Fullerton?
September is the month with the least rainfall in Fullerton, Pennsylvania. Rain falls for 11.5 days and accumulates 1.61" (41mm) of precipitation.
What is the month with the shortest days in Fullerton?
With an average of 9h and 18min of daylight, December has the shortest days of the year in Fullerton, Pennsylvania.
Average temperature
Fullerton, PA
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34°F).
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Fullerton, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"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
Fullerton, PA
- Average wind speed in January:
7.9mph - Average wind speed in February:
7.8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Fullerton, PA
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall
Fullerton, PA
- Average rainfall in January:
1.81" - Average rainfall in February:
1.73" - Average rainfall in March:
2.17" - Average rainfall in April:
2.44" - Average rainfall in May:
2.76" - Average rainfall in June:
2.32"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.68" - Average rainfall in September:
1.61" - Average rainfall in October:
2.2" - Average rainfall in November:
2.17" - Average rainfall in December:
2.32"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days
Fullerton, PA
- Average rainfall days in January:
6.7 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
15.7 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
11.9 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.7 days).
Average snowfall
Fullerton, PA
- Average snowfall in January:
3.15" - Average snowfall in February:
3.11" - Average snowfall in March:
4.37" - Average snowfall in April:
0.2" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Fullerton, PA
- Average snowfall days in January:
5 days - Average snowfall days in February:
6.6 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
0.3 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:
0.5 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Fullerton, 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 3min - 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 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - 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 18min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 3min
- 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 24min).
Average sunshine days
Fullerton, PA
- Average sunshine days in January:
20.5 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
15.2 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
13.4 days - Average sunshine days in August:
14 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
17 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
19.2 days
The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).
Average UV index
Fullerton, PA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Fullerton, PA
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
Fullerton, PA
The months with the highest visibility are April, July and November (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September, October and December (5mi).
Fullerton, Pennsylvania, USA
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