Climate and monthly weather forecastGallagher, PA
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Gallagher, Pennsylvania, with an average temperature varying between 30.9°F (-0.6°C) and 18.3°F (-7.6°C). In Gallagher, the lowest temperatures are generally noted in January, averaging a high of 30.9°F (-0.6°C) and a low of 18.3°F (-7.6°C). Weather in January »Weather in February
The last month of the winter, February, is an icy month in Gallagher, Pennsylvania, with an average temperature ranging between min 20.3°F (-6.5°C) and max 35.2°F (1.8°C). February's onset brings an average high-temperature of a wintry 35.2°F (1.8°C), showing a minute difference from January's 30.9°F (-0.6°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Gallagher, Pennsylvania, with an average temperature varying between 44.2°F (6.8°C) and 27.5°F (-2.5°C). As Gallagher transitions into March, the average high-temperature shows a change, moving from a wintry 35.2°F (1.8°C) in February to a chilly 44.2°F (6.8°C). Weather in March »Weather in April
April in Gallagher, Pennsylvania, is a moderate spring month, with an average temperature ranging between min 37.4°F (3°C) and max 56.7°F (13.7°C). As Gallagher enters April, the average high-temperature increases from the a frosty 44.2°F (6.8°C) of March to a mild 56.7°F (13.7°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Gallagher, Pennsylvania, with an average temperature fluctuating between 47.8°F (8.8°C) and 68.9°F (20.5°C). The transition from April to May brings a temperature rise, with average high-temperatures increasing from a mild 56.7°F (13.7°C) to a pleasant 68.9°F (20.5°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Gallagher, Pennsylvania, with an average temperature ranging between max 76.8°F (24.9°C) and min 54.1°F (12.3°C). Gallagher's transition into June is marked by a minor temperature shift, moving from an agreeable 68.9°F (20.5°C) in May to a warm 76.8°F (24.9°C). Weather in June »Weather in July
July, like June, in Gallagher, Pennsylvania, is another warm summer month, with an average temperature fluctuating between 82.2°F (27.9°C) and 58.6°F (14.8°C). In Gallagher, temperatures reach their average annual highs in July, measuring 82.2°F (27.9°C) and a minimum average of 58.6°F (14.8°C). July's average heat index is estimated at a hot 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Gallagher, Pennsylvania, with an average temperature ranging between max 79.5°F (26.4°C) and min 56.5°F (13.6°C). As Gallagher transitions into August, the average high-temperature stands at a still moderately hot 79.5°F (26.4°C), offering little variation from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Gallagher, is still a pleasant month, with an average temperature fluctuating between 51.1°F (10.6°C) and 72.3°F (22.4°C). With the arrival of September, Gallagher experiences a modest decline in average high-temperatures, transitioning from a warm 79.5°F (26.4°C) in August to a pleasant 72.3°F (22.4°C). Weather in September »Weather in October
October, the same as September, in Gallagher, Pennsylvania, is another refreshing autumn month, with an average temperature varying between 59.7°F (15.4°C) and 42.4°F (5.8°C). With October's arrival, Gallagher sees a decrease in average high-temperatures, moving from an agreeable 72.3°F (22.4°C) in September to a refreshing 59.7°F (15.4°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Gallagher, Pennsylvania, with an average temperature fluctuating between 46.2°F (7.9°C) and 32.4°F (0.2°C). The onset of November brings a small change in high-temperatures, falling from a refreshing 59.7°F (15.4°C) in October to a frosty 46.2°F (7.9°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Gallagher, Pennsylvania, with an average temperature fluctuating between 36.7°F (2.6°C) and 25.9°F (-3.4°C). In Gallagher, entering December brings a temperature decrement, reducing from November's chilly 46.2°F (7.9°C) to a cold 36.7°F (2.6°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Gallagher, PA
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (30.9°F).
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure
Gallagher, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.07"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Gallagher, PA
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.3mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.6mph - Average wind speed in December:
7mph
The windiest months (with the highest average wind speed) are January and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Gallagher, PA
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (77%).
Average rainfall
Gallagher, PA
- Average rainfall in January:
2.4" - Average rainfall in February:
2.4" - Average rainfall in March:
2.44" - Average rainfall in April:
3.54" - Average rainfall in May:
3.43" - Average rainfall in June:
2.72"
- Average rainfall in July:
2.64" - Average rainfall in August:
2.36" - Average rainfall in September:
2.4" - Average rainfall in October:
2.99" - Average rainfall in November:
2.09" - Average rainfall in December:
2.68"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days
Gallagher, PA
- Average rainfall days in January:
11 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
14.4 days - Average rainfall days in April:
17.7 days - Average rainfall days in May:
18.7 days - Average rainfall days in June:
17.5 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
13 days - Average rainfall days in October:
14.7 days - Average rainfall days in November:
11.6 days - Average rainfall days in December:
12.4 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (10.3 days).
Average snowfall
Gallagher, PA
- Average snowfall in January:
6.69" - Average snowfall in February:
7.13" - Average snowfall in March:
3.5" - Average snowfall in April:
0.59" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (7.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Gallagher, PA
- Average snowfall days in January:
15.4 days - Average snowfall days in February:
13.5 days - Average snowfall days in March:
7.9 days - Average snowfall days in April:
1.9 days - Average snowfall days in May:
0.3 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:
0.4 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
12.2 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Gallagher, PA
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - 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:
3h and 18min - Average sunshine in February:
3h and 36min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 6min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 24min - Average sunshine in October:
4h and 54min - Average sunshine in November:
4h and 48min - Average sunshine in December:
3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days
Gallagher, PA
- Average sunshine days in January:
10.8 days - Average sunshine days in February:
8.8 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
10.2 days - Average sunshine days in May:
9.9 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
13 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
13.8 days - Average sunshine days in November:
15.3 days - Average sunshine days in December:
10.3 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (8.8 days).
Average UV index
Gallagher, PA
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Gallagher, PA
The months with the most cloud cover are January and December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility
Gallagher, PA
The months with the highest visibility are January, March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are February, September and December (4mi).





