Climate and monthly weather forecastSmithfield, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Smithfield, Pennsylvania, with temperature in the range of an average low of 21.2°F (-6°C) and an average high of 34.3°F (1.3°C). Smithfield's coldest month, January, registers temperatures that range from a high of 34.3°F (1.3°C) to a low of 21.2°F (-6°C). Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Smithfield, Pennsylvania, with an average temperature ranging between max 38.8°F (3.8°C) and min 24.4°F (-4.2°C). The arrival of February denotes a barely perceptible change in the average high-temperatures to a still wintry 38.8°F (3.8°C) from January's 34.3°F (1.3°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Smithfield, Pennsylvania, with an average temperature ranging between max 48.4°F (9.1°C) and min 31.5°F (-0.3°C). The start of March brings a shift in the average high-temperature, increasing from February's icy 38.8°F (3.8°C) to a frosty 48.4°F (9.1°C). Weather in March »Weather in April
April in Smithfield, Pennsylvania, is a moderate spring month, with an average temperature ranging between max 60.4°F (15.8°C) and min 41.2°F (5.1°C). Smithfield's transition into April brings a rise in the average high-temperature, moving from a chilly 48.4°F (9.1°C) in March to a refreshing 60.4°F (15.8°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Smithfield, Pennsylvania, with temperature in the range of an average high of 71.8°F (22.1°C) and an average low of 51.1°F (10.6°C). Smithfield sees an increase in average high-temperatures during May, moving from a moderate 60.4°F (15.8°C) in April to a pleasant 71.8°F (22.1°C). Weather in May »Weather in June
June, the first month of the summer in Smithfield, is a warm month, with an average temperature ranging between min 57.4°F (14.1°C) and max 78.3°F (25.7°C). The start of June brings a subtle shift in the average high-temperature, edging up from May's pleasant 71.8°F (22.1°C) to a moderately hot 78.3°F (25.7°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Smithfield, Pennsylvania, with an average temperature fluctuating between 82.8°F (28.2°C) and 61°F (16.1°C). The warmest time of the year is July, with temperatures averaging a high of 82.8°F (28.2°C) and a low of 61°F (16.1°C). For July, the heat index is calculated to be a hot 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in Smithfield, is also a moderately hot month, with an average temperature ranging between min 59°F (15°C) and max 81.5°F (27.5°C). An average high-temperature of a still moderately hot 81.5°F (27.5°C) marks August, exhibiting a close resemblance to the conditions in July. Weather in August »Weather in September
September, the first month of the autumn in Smithfield, is also a moderately hot month, with an average temperature varying between 75.6°F (24.2°C) and 54.5°F (12.5°C). As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 81.5°F (27.5°C) to a still warm 75.6°F (24.2°C). Weather in September »Weather in October
October, like September, in Smithfield, Pennsylvania, is another enjoyable autumn month, with temperature in the range of an average low of 44.8°F (7.1°C) and an average high of 62.2°F (16.8°C). During Smithfield's transition into October, the average high-temperature lessens, moving from a moderately hot 75.6°F (24.2°C) in September to an enjoyable 62.2°F (16.8°C). Weather in October »Weather in November
November, the last month of the autumn in Smithfield, is another chilly month, with temperature in the range of an average low of 34°F (1.1°C) and an average high of 49.8°F (9.9°C). With November's arrival, Smithfield sees a decrease in average high-temperatures, moving from a refreshing 62.2°F (16.8°C) in October to a chilly 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 Smithfield, Pennsylvania, with an average temperature varying between 29.1°F (-1.6°C) and 40.1°F (4.5°C). Onset of December witnesses a reduction in the average high-temperature, falling from a frosty 49.8°F (9.9°C) in November to a cold 40.1°F (4.5°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
Smithfield witnesses the coldest weather in January, with temperatures averaging a high of 34.3°F (1.3°C) and a low of 21.2°F (-6°C).
Throughout the year, there are 143.4 rainfall days, and 13.19" (335mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
The month with the most snowfall is January, when snow falls for 16.3 days and typically aggregates up to 2.83" (72mm) of snow.
Throughout the year, there are 56 snowfall days, and 11.54" (293mm) of snow is accumulated.
With an average of 3.1h of sunshine, January has the least sunshine of the year.
With an average relative humidity of 85%, February is the most humid month.
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.
The month with the most rainfall is May, when the rain falls for 17 days and typically aggregates up to 1.57" (40mm) of precipitation.
In Smithfield, Pennsylvania, snow does not fall in June through September.
With an average of 14h and 54min of daylight, June has the longest days of the year.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
The highest temperatures are recorded in July, with averages reaching a high of 82.8°F (28.2°C) and a low of 61°F (16.1°C).
The months with the lowest humidity are July and August, with an average relative humidity of 77%.
The month with the most sunshine is August, with an average of 10.1h of sunshine.
The month with the least rainfall is September, when the rain falls for 10.2 days and typically collects 0.67" (17mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 24min of daylight.
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Smithfield, PA
The warmest month (with the highest average high temperature) is July (82.8°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°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure
Smithfield, PA
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"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
Smithfield, PA
- Average wind speed in January:
7.6mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7mph - Average wind speed in April:
7.1mph - Average wind speed in May:
6mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.9mph - Average wind speed in October:
5.8mph - Average wind speed in November:
6.3mph - Average wind speed in December:
7mph
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
Smithfield, PA
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall
Smithfield, PA
- Average rainfall in January:
1.1" - Average rainfall in February:
1.14" - Average rainfall in March:
1.1" - Average rainfall in April:
1.22" - Average rainfall in May:
1.57" - Average rainfall in June:
1.26"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days
Smithfield, PA
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
17 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
12.2 days - Average rainfall days in September:
10.2 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
9.1 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (8.2 days).
Average snowfall
Smithfield, PA
- Average snowfall in January:
2.83" - Average snowfall in February:
2.48" - Average snowfall in March:
2.05" - Average snowfall in April:
0.51" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Smithfield, PA
- Average snowfall days in January:
16.3 days - Average snowfall days in February:
12.8 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
2.4 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:
0.5 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
11.4 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Smithfield, 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:
14h and 54min
- 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: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
3h and 6min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 30min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 6min - Average sunshine in December:
3h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days
Smithfield, PA
- Average sunshine days in January:
9.1 days - Average sunshine days in February:
10.8 days - Average sunshine days in March:
11.3 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
16.7 days - Average sunshine days in October:
16.2 days - Average sunshine days in November:
17.7 days - Average sunshine days in December:
13.2 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is January (9.1 days).
Average UV index
Smithfield, PA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Smithfield, PA
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility
Smithfield, PA
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
