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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, like December, in Fairfield, Pennsylvania, is an icy winter month, with an average temperature fluctuating between 35.4°F (1.9°C) and 22.6°F (-5.2°C). The lowest temperatures are recorded in January, with averages reaching a high of 35.4°F (1.9°C) and a low of 22.6°F (-5.2°C). Weather in January »
Weather in February
February, the last month of the winter in Fairfield, is also an icy month, with an average temperature varying between 39.7°F (4.3°C) and 24.4°F (-4.2°C). Fairfield records an average high-temperature of a still wintry 39.7°F (4.3°C) in February, closely mirroring the climate of the previous month. Weather in February »
Weather in March
March, the first month of the spring in Fairfield, is a chilly month, with temperature in the range of an average low of 31.6°F (-0.2°C) and an average high of 48.7°F (9.3°C). Fairfield's weather in March presents a rise in the average high-temperature, moving from a cold 39.7°F (4.3°C) in February to a chilly 48.7°F (9.3°C). Weather in March »
Weather in April
April is a refreshing spring month in Fairfield, Pennsylvania, with temperature in the range of an average high of 61.2°F (16.2°C) and an average low of 41.7°F (5.4°C). In Fairfield, the average high-temperature in April rises, from a chilly 48.7°F (9.3°C) in March, to an enjoyable 61.2°F (16.2°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Fairfield, Pennsylvania, with an average temperature fluctuating between 51.8°F (11°C) and 71.1°F (21.7°C). The transition to May introduces an increase in the average high-temperature, shifting from a comfortable 61.2°F (16.2°C) in April to an agreeable 71.1°F (21.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Fairfield, Pennsylvania, with an average temperature fluctuating between 79.2°F (26.2°C) and 58.6°F (14.8°C). Fairfield observes a slight ascent in average high-temperatures during June, adjusting from a pleasant 71.1°F (21.7°C) in May to a warm 79.2°F (26.2°C). Weather in June »
Weather in July
July, like June, in Fairfield, Pennsylvania, is another warm summer month, with temperature in the range of an average high of 84.2°F (29°C) and an average low of 63.7°F (17.6°C). Fairfield records the warmest temperatures in July, averaging a high of 84.2°F (29°C) and a low of 63.7°F (17.6°C). In July, the average heat index is evaluated at a tropical 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Fairfield, is also a moderately hot month, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 62.2°F (16.8°C). Fairfield experiences a recorded average high-temperature of a still moderately hot 81.7°F (27.6°C) in August, closely aligned with July's 84.2°F (29°C). Weather in August »
Weather in September
September, the first month of the autumn in Fairfield, is still a warm month, with an average temperature fluctuating between 55.9°F (13.3°C) and 74.8°F (23.8°C). In the transition to September, Fairfield observes a minor drop in the average high-temperature, shifting from 81.7°F (27.6°C) in August to a still warm 74.8°F (23.8°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Fairfield, Pennsylvania, with an average temperature ranging between max 63.1°F (17.3°C) and min 46.2°F (7.9°C). Fairfield observes a minor decrease in the average high-temperature with the arrival of October, falling from September's warm 74.8°F (23.8°C) to a refreshing 63.1°F (17.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Fairfield, is another cool month, with an average temperature fluctuating between 35.1°F (1.7°C) and 50.4°F (10.2°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's refreshing 63.1°F (17.3°C) to a fresh 50.4°F (10.2°C). Weather in November »
Weather in December
December, the first month of the winter in Fairfield, is still a cold month, with an average temperature fluctuating between 29.3°F (-1.5°C) and 41.5°F (5.3°C). December's arrival subtly correlates with a reduction in the average high-temperature, down from a cool 50.4°F (10.2°C) in November to an icy 41.5°F (5.3°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
What part of the year is the coldest?
January, known for its average high temperature of 35.4°F (1.9°C) and an average low temperature of 22.6°F (-5.2°C), is the coldest month.
How many days does it rain?
Throughout the year, in Fairfield, there are 125.3 rainfall days, and 10.59" (269mm) of precipitation is accumulated.
When does it snow?
January through April, November and December are months with snowfall.
When does it snow the most?
The month with the most snowfall in Fairfield is January, when snow falls for 6.7 days and typically aggregates up to 1.06" (27mm) of snow.
How many days does it snow?
Throughout the year, there are 20.2 snowfall days, and 3.54" (90mm) of snow is accumulated.
When is the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the most humid month?
February, May and October, with an average relative humidity of 80%, are most humid months.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 4.5h of sunshine.
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 wettest month?
May is the month with the most rainfall. Rain falls for 14.9 days and accumulates 1.26" (32mm) of precipitation.
When it does not snow?
May through October are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 14h and 54min of daylight.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the hottest time of year?
In Fairfield, July registers the highest temperatures, averaging 84.2°F (29°C) at the peak and 63.7°F (17.6°C) at the lowest.
What is the least humid month?
The least humid month is July, with an average relative humidity of 75%.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.5h of sunshine.
What is the driest month?
September is the month with the least rainfall. Rain falls for 10 days and accumulates 0.55" (14mm) of precipitation.
What is the month with the shortest days in Fairfield?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Fairfield, PA
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure
Fairfield, PA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Fairfield, PA
- Average wind speed in January:
8mph - Average wind speed in February:
7.9mph - Average wind speed in March:
7.8mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.9mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity
Fairfield, PA
The months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is July (75%).
Average rainfall
Fairfield, PA
- Average rainfall in January:
0.71" - Average rainfall in February:
0.67" - Average rainfall in March:
0.71" - Average rainfall in April:
1.02" - Average rainfall in May:
1.26" - Average rainfall in June:
0.98"
- Average rainfall in July:
1.18" - Average rainfall in August:
1.1" - Average rainfall in September:
0.55" - Average rainfall in October:
0.94" - Average rainfall in November:
0.75" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days
Fairfield, PA
- Average rainfall days in January:
5.4 days - Average rainfall days in February:
7.7 days - Average rainfall days in March:
10.2 days - Average rainfall days in April:
13.5 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
13.2 days - Average rainfall days in September:
10 days - Average rainfall days in October:
9.3 days - Average rainfall days in November:
6.4 days - Average rainfall days in December:
7.7 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5.4 days).
Average snowfall
Fairfield, PA
The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Fairfield, PA
- Average snowfall days in January:
6.7 days - Average snowfall days in February:
5.9 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
0.4 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 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
2.9 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Fairfield, 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:
14h and 5min
- 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: 14h and 54min).
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 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 2min - 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Fairfield, PA
- Average sunshine days in January:
20.6 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
15.1 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
21.7 days - Average sunshine days in December:
20.7 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is May (12.9 days).
Average UV index
Fairfield, PA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Fairfield, PA
The months with the most cloud cover are January and February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Fairfield, PA
The months with the highest visibility are March, April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, May, August, September and October (5mi).
Fairfield, Pennsylvania, USA
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