Climate and monthly weather forecastGraysville, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Graysville, Pennsylvania, with temperature in the range of an average low of 21°F (-6.1°C) and an average high of 34.3°F (1.3°C). With average temperatures fluctuating between a high of 34.3°F (1.3°C) and a low of 21°F (-6.1°C), January stands out as the coldest month. Weather in January »Weather in February
February, the last month of the winter in Graysville, is another cold month, with an average temperature ranging between max 38.7°F (3.7°C) and min 23.9°F (-4.5°C). Graysville experiences an average high-temperature of a still wintry 38.7°F (3.7°C) with the onset of February, subtly varied from January's 34.3°F (1.3°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Graysville, Pennsylvania, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 48.7°F (9.3°C). March brings a temperature increase, with average high-temperatures moving from February's wintry 38.7°F (3.7°C) to a frosty 48.7°F (9.3°C). Weather in March »Weather in April
April is a refreshing spring month in Graysville, Pennsylvania, with an average temperature fluctuating between 41.4°F (5.2°C) and 61.3°F (16.3°C). As April arrives, Graysville's weather shows an increase in high-temperatures, moving from March's chilly 48.7°F (9.3°C) to an enjoyable 61.3°F (16.3°C). Weather in April »Weather in May
May, the last month of the spring in Graysville, is an agreeable month, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 51.3°F (10.7°C). Graysville in May sees a temperature change, with average high-temperatures moving from a comfortable 61.3°F (16.3°C) in April to an agreeable 72.1°F (22.3°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Graysville, Pennsylvania, with an average temperature ranging between max 78.8°F (26°C) and min 57.7°F (14.3°C). With the beginning of June, Graysville's average high-temperature sees a minor increase, transitioning from an agreeable 72.1°F (22.3°C) in May to a warm 78.8°F (26°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Graysville, Pennsylvania, with temperature in the range of an average high of 83.3°F (28.5°C) and an average low of 61.7°F (16.5°C). The month of July sees the highest average temperatures, reaching 83.3°F (28.5°C) at the peak and 61.7°F (16.5°C) at the low. In July, the heat index is estimated at a tropical 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Graysville, is also a moderately hot month, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 82°F (27.8°C). The transition into August shows a subtle variation to a still moderately hot 82°F (27.8°C) from July's 83.3°F (28.5°C) in the average high-temperature. Weather in August »Weather in September
September, the first month of the autumn in Graysville, is still a warm month, with an average temperature varying between 54.5°F (12.5°C) and 76.1°F (24.5°C). During the shift to September, Graysville records a mild decrease in average high-temperature, moving from a moderately hot 82°F (27.8°C) in August to a still warm 76.1°F (24.5°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Graysville, Pennsylvania, with an average temperature varying between 62.6°F (17°C) and 45.1°F (7.3°C). The onset of October comes with a shift in the average high-temperature, falling from a warm 76.1°F (24.5°C) in September to an enjoyable 62.6°F (17°C). Weather in October »Weather in November
November, the last month of the autumn in Graysville, is another chilly month, with an average temperature ranging between min 34°F (1.1°C) and max 49.8°F (9.9°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's refreshing 62.6°F (17°C) to a chilly 49.8°F (9.9°C). Weather in November »Weather in December
December, the first month of the winter in Graysville, is also an icy month, with an average temperature varying between 40.1°F (4.5°C) and 28.6°F (-1.9°C). In December, the average high-temperature decreases from a frosty 49.8°F (9.9°C) in November to a wintry 40.1°F (4.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Graysville, PA
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure
Graysville, PA
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30"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:
30.05"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
Graysville, PA
- Average wind speed in January:
7.6mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7.1mph - Average wind speed in April:
7.1mph - Average wind speed in May:
5.9mph - Average wind speed in June:
5.5mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity
Graysville, PA
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall
Graysville, PA
- Average rainfall in January:
2.64" - Average rainfall in February:
2.91" - Average rainfall in March:
3.11" - Average rainfall in April:
3.58" - Average rainfall in May:
3.66" - Average rainfall in June:
3.27"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days
Graysville, PA
- Average rainfall days in January:
10.7 days - Average rainfall days in February:
11 days - Average rainfall days in March:
14.5 days - Average rainfall days in April:
17.9 days - Average rainfall days in May:
20.8 days - Average rainfall days in June:
18.7 days
- Average rainfall days in July:
18.7 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
14.5 days - Average rainfall days in October:
15.2 days - Average rainfall days in November:
11.7 days - Average rainfall days in December:
13.2 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (10.7 days).
Average snowfall
Graysville, PA
- Average snowfall in January:
5.94" - Average snowfall in February:
6.54" - Average snowfall in March:
4.57" - Average snowfall in April:
0.91" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Graysville, PA
- Average snowfall days in January:
17.6 days - Average snowfall days in February:
14.1 days - Average snowfall days in March:
8.8 days - Average snowfall days in April:
2.5 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:
0.6 days - Average snowfall days in November:
4.7 days - Average snowfall days in December:
12.9 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Graysville, PA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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:
3h - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 24min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
10h - Average sunshine in September:
8h and 24min - Average sunshine in October:
5h and 18min - Average sunshine in November:
4h and 54min - Average sunshine in December:
3h and 30min
The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3h).
Average sunshine days
Graysville, PA
- Average sunshine days in January:
7.5 days - Average sunshine days in February:
7.6 days - Average sunshine days in March:
9.3 days - Average sunshine days in April:
10.1 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
10.4 days
- Average sunshine days in July:
10.4 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
12.6 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
10.4 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is January (7.5 days).
Average UV index
Graysville, PA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Graysville, PA
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility
Graysville, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).





