Climate and monthly weather forecastThornton, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Thornton, Pennsylvania, with an average temperature fluctuating between 37°F (2.8°C) and 25.3°F (-3.7°C). In Thornton, the lowest average temperatures are observed in January, with a high of 37°F (2.8°C) and a low of 25.3°F (-3.7°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Thornton, Pennsylvania, with an average temperature ranging between max 40.6°F (4.8°C) and min 27.3°F (-2.6°C). Thornton's weather, upon February's arrival, documents an average high-temperature of a still wintry 40.6°F (4.8°C), nearly identical to the prior month. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Thornton, Pennsylvania, with an average temperature fluctuating between 49.1°F (9.5°C) and 34.5°F (1.4°C). Thornton in March experiences a slight uptick in the average high-temperature, adjusting from February's cold 40.6°F (4.8°C) to a frosty 49.1°F (9.5°C). Weather in March »Weather in April
April in Thornton, Pennsylvania, is a refreshing spring month, with an average temperature fluctuating between 61.3°F (16.3°C) and 44.8°F (7.1°C). The arrival of April brings an increase in high-temperatures, moving from a frosty 49.1°F (9.5°C) in March to a refreshing 61.3°F (16.3°C). Weather in April »Weather in May
May, the last month of the spring in Thornton, is a pleasant month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 71.8°F (22.1°C). The commencement of May sees a shift in the average high-temperature, moving from a comfortable 61.3°F (16.3°C) in April to an agreeable 71.8°F (22.1°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Thornton, Pennsylvania, with an average temperature varying between 79.5°F (26.4°C) and 62.8°F (17.1°C). The start of June brings a subtle rise in the average high-temperature, moving from a pleasant 71.8°F (22.1°C) in May to a moderately hot 79.5°F (26.4°C). Weather in June »Weather in July
July, like June, in Thornton, Pennsylvania, is another warm summer month, with an average temperature fluctuating between 68.5°F (20.3°C) and 85.6°F (29.8°C). July is the month that records the highest temperatures, with averages ranging from a high of 85.6°F (29.8°C) to a low of 68.5°F (20.3°C). For July, the heat index is computed to be a very hot 95°F (35°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Thornton, Pennsylvania, with an average temperature ranging between min 66.9°F (19.4°C) and max 83.1°F (28.4°C). Thornton's average high-temperature in August is a still warm 83.1°F (28.4°C), marking an insignificant difference from the 85.6°F (29.8°C) of July. Weather in August »Weather in September
September, the first month of the autumn in Thornton, is still a warm month, with an average temperature fluctuating between 60.1°F (15.6°C) and 76.3°F (24.6°C). September is characterized by a mild reduction in the average high-temperature, from a warm 83.1°F (28.4°C) in August to a still moderately hot 76.3°F (24.6°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Thornton, Pennsylvania, with an average temperature fluctuating between 64.2°F (17.9°C) and 49.8°F (9.9°C). October brings a drop in Thornton's average high-temperature, falling from a warm 76.3°F (24.6°C) in September to an enjoyable 64.2°F (17.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Thornton, Pennsylvania, with temperature in the range of an average high of 52.2°F (11.2°C) and an average low of 38.8°F (3.8°C). The move into November indicates a reduction in the average high-temperature, down from October's enjoyable 64.2°F (17.9°C) to a cool 52.2°F (11.2°C). Weather in November »Weather in December
December, the first month of the winter in Thornton, is also a frosty month, with an average temperature ranging between min 32.5°F (0.3°C) and max 43.5°F (6.4°C). A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a fresh 52.2°F (11.2°C) to a chilly 43.5°F (6.4°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
January tends to be the coldest month, with temperatures averaging a daily high of 37°F (2.8°C) and a low of 25.3°F (-3.7°C).
January is the month with the least rainfall. Rain falls for 8.6 days and accumulates 2.36" (60mm) of precipitation.
Throughout the year, there are 166.6 rainfall days, and 35.59" (904mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
Throughout the year, there are 22 snowfall days, and 11.81" (300mm) of snow is accumulated.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February and October, with an average relative humidity of 78%, are most humid months.
The month with the most snowfall is February, when snow falls for 5.9 days and typically aggregates up to 3.19" (81mm) of snow.
February has the least sunshine of the year, with an average of 4.8h of sunshine.
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.
April is the least humid month in Thornton, with an average relative humidity of 72%.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
June through September are months without snowfall.
With an average of 15h and 0min of daylight, June has the longest days of the year.
Thornton's warmest month, July, generally records average temperatures ranging from a high of 85.6°F (29.8°C) to a low of 68.5°F (20.3°C).
The month with the most sunshine is July, with an average of 10.5h of sunshine.
August is the month with the most rainfall. Rain falls for 17.2 days and accumulates 4.09" (104mm) of precipitation.
The month with the shortest days in Thornton is December, with an average of 9h and 24min of daylight.
Average temperature
Thornton, PA
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure
Thornton, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"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:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.1"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
Thornton, PA
- Average wind speed in January:
8.5mph - Average wind speed in February:
8.4mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.4mph - Average wind speed in May:
6.7mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.4mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8mph
The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity
Thornton, PA
The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Thornton, PA
- Average rainfall in January:
2.36" - Average rainfall in February:
2.6" - Average rainfall in March:
2.83" - Average rainfall in April:
2.83" - Average rainfall in May:
3.19" - Average rainfall in June:
3.11"
- Average rainfall in July:
3.62" - Average rainfall in August:
4.09" - Average rainfall in September:
2.44" - Average rainfall in October:
2.72" - Average rainfall in November:
2.48" - Average rainfall in December:
3.31"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").
Average rainfall days
Thornton, PA
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
9.5 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
18.5 days - Average rainfall days in June:
17.6 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
17.2 days - Average rainfall days in September:
13.6 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
11.1 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (8.6 days).
Average snowfall
Thornton, PA
- Average snowfall in January:
3.03" - Average snowfall in February:
3.19" - Average snowfall in March:
3.03" - Average snowfall in April:
0.24" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Thornton, PA
- Average snowfall days in January:
6.9 days - Average snowfall days in February:
5.9 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
0.4 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:
0.6 days - Average snowfall days in December:
3.4 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Thornton, 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:
4h and 54min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 0min
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 48min).
Average sunshine days
Thornton, PA
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
13.1 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
10.1 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
10 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
15.4 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (10 days).
Average UV index
Thornton, PA
The months with the highest UV index are May, 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
Thornton, PA
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Thornton, PA
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
