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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, the same as December, is a wintry winter month in Horsham, Pennsylvania, with an average temperature ranging between min 24.3°F (-4.3°C) and max 36.9°F (2.7°C). January is the coldest month, exhibiting average temperatures of 36.9°F (2.7°C) at the peak and 24.3°F (-4.3°C) at the base. Weather in January »
Weather in February
February, the last month of the winter in Horsham, is another cold month, with an average temperature ranging between min 26.4°F (-3.1°C) and max 40.1°F (4.5°C). February denotes a minimal variation in the average high-temperature to a still wintry 40.1°F (4.5°C) from January's 36.9°F (2.7°C). Weather in February »
Weather in March
March, the first month of the spring in Horsham, is a chilly month, with an average temperature varying between 33.4°F (0.8°C) and 48.4°F (9.1°C). The onset of March brings a minor temperature shift, with the average high-temperature moving from an icy 40.1°F (4.5°C) in February to a chilly 48.4°F (9.1°C). Weather in March »
Weather in April
April is a moderate spring month in Horsham, Pennsylvania, with an average temperature fluctuating between 60.6°F (15.9°C) and 43.9°F (6.6°C). With the beginning of April, Horsham's average high-temperature sees an increase, transitioning from a chilly 48.4°F (9.1°C) in March to a moderate 60.6°F (15.9°C). Weather in April »
Weather in May
May, the last month of the spring in Horsham, is a pleasant month, with temperature in the range of an average low of 53.6°F (12°C) and an average high of 71.2°F (21.8°C). An escalation in the average high-temperature is seen with the onset of May, moving from a refreshing 60.6°F (15.9°C) in April to an agreeable 71.2°F (21.8°C). Weather in May »
Weather in June
June, the first month of the summer in Horsham, is a warm month, with an average temperature ranging between max 79.9°F (26.6°C) and min 61.5°F (16.4°C). June's arrival brings a modest temperature shift, moving from a pleasant 71.2°F (21.8°C) in May to a moderately hot 79.9°F (26.6°C). Weather in June »
Weather in July
July, like June, in Horsham, Pennsylvania, is another warm summer month, with an average temperature fluctuating between 85.6°F (29.8°C) and 67.5°F (19.7°C). Horsham's temperatures tend to reach their peak averages in July, with a high of 85.6°F (29.8°C) and a low of 67.5°F (19.7°C). During 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 another warm month in Horsham, Pennsylvania, with an average temperature fluctuating between 83.3°F (28.5°C) and 66.2°F (19°C). The average high-temperature for August is a still moderately hot 83.3°F (28.5°C), closely aligning with the temperature of the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Horsham, Pennsylvania, with an average temperature varying between 76.1°F (24.5°C) and 59.2°F (15.1°C). September's arrival aligns with a minor decrease in average high-temperatures, from August's 83.3°F (28.5°C) to a still moderately hot 76.1°F (24.5°C). Weather in September »
Weather in October
October, like September, in Horsham, Pennsylvania, is another comfortable autumn month, with temperature in the range of an average low of 48.9°F (9.4°C) and an average high of 63.9°F (17.7°C). In Horsham, the beginning of October is marked by a lowered average high-temperature, shifting from September's moderately hot 76.1°F (24.5°C) to an enjoyable 63.9°F (17.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Horsham, is also a fresh month, with an average temperature varying between 37.9°F (3.3°C) and 51.8°F (11°C). The onset of November introduces a moderate change in Horsham's weather, with average high-temperatures falling from October's enjoyable 63.9°F (17.7°C) to a fresh 51.8°F (11°C). Weather in November »
Weather in December
December, the first month of the winter in Horsham, is also a frosty month, with an average temperature ranging between min 31.1°F (-0.5°C) and max 42.8°F (6°C). December brings a decrease in the average high-temperature, shifting from a cool 51.8°F (11°C) in November to a chilly 42.8°F (6°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Horsham?
January, noted for its average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 24.3°F (-4.3°C), is considered the coldest month in Horsham, Pennsylvania.
How much does it rain in Horsham?
Throughout the year, in Horsham, there are 83.7 rainfall days, and 6.22" (158mm) of precipitation is accumulated.
When does it snow in Horsham?
Months with snowfall in Horsham, Pennsylvania, are January through May, November and December.
How many days does it snow in Horsham?
In Horsham, Pennsylvania, during the entire year, snow falls for 12.6 days and aggregates up to 1.73" (44mm) of snow.
What are the months with the lowest UV index in Horsham?
The months with the lowest UV index in Horsham, Pennsylvania, are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month in Horsham?
February, October and December, with an average relative humidity of 78%, are most humid months in Horsham, Pennsylvania.
When does it snow the most in Horsham?
February is the month with the most snowfall in Horsham, Pennsylvania. Snow falls for 3.7 days and accumulates 0.43" (11mm) of snow.
What is the month with the least sunshine in Horsham?
February has the least sunshine of the year in Horsham, with an average of 4.8h of sunshine.
When is Daylight Saving Time (DST) in Horsham?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Horsham, Pennsylvania, 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 are the least humid months in Horsham?
The months with the lowest humidity in Horsham, Pennsylvania, are April, July and August, with an average relative humidity of 72%.
What are the months with the highest UV index in Horsham?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When it does not snow in Horsham?
June through October are months without snowfall.
When are the longest days in Horsham?
The month with the longest days in Horsham is June, with an average of 15h and 0min of daylight.
What time of the year is the hottest in Horsham?
In Horsham, July is identified by the average highest temperatures, reaching a peak of 85.6°F (29.8°C) and a low of 67.5°F (19.7°C).
What month has the most sunshine in Horsham?
July has the most sunshine of the year in Horsham, with an average of 10.7h of sunshine.
What is the driest month in Horsham?
The month with the least rainfall is September, when the rain falls for 6.7 days and typically collects 0.2" (5mm) of precipitation.
What is the rainiest month in Horsham?
The month with the most rainfall in Horsham is December, when the rain falls for 5.8 days and typically aggregates up to 0.75" (19mm) of precipitation.
What is the month with the shortest days in Horsham?
The month with the shortest days in Horsham, Pennsylvania, is December, with an average of 9h and 24min of daylight.
Average temperature
Horsham, 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 (36.9°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Horsham, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"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:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.09"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
Horsham, PA
- Average wind speed in January:
8mph - Average wind speed in February:
8mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8.2mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Horsham, PA
The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).
Average rainfall
Horsham, PA
- Average rainfall in January:
0.35" - Average rainfall in February:
0.39" - Average rainfall in March:
0.55" - Average rainfall in April:
0.51" - Average rainfall in May:
0.59" - Average rainfall in June:
0.55"
- Average rainfall in July:
0.71" - Average rainfall in August:
0.59" - Average rainfall in September:
0.2" - Average rainfall in October:
0.47" - Average rainfall in November:
0.55" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days
Horsham, PA
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
7.9 days - Average rainfall days in May:
8.1 days - Average rainfall days in June:
9.2 days
- Average rainfall days in July:
10.3 days - Average rainfall days in August:
8.5 days - Average rainfall days in September:
6.7 days - Average rainfall days in October:
6.6 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
5.8 days
The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.3 days).
Average snowfall
Horsham, PA
- Average snowfall in January:
0.28" - Average snowfall in February:
0.43" - Average snowfall in March:
0.39" - Average snowfall in April:
0.04" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Horsham, PA
- Average snowfall days in January:
3.1 days - Average snowfall days in February:
3.7 days - Average snowfall days in March:
3 days - Average snowfall days in April:
0.3 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:
1.7 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Horsham, 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:
15h and 0min
- 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: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Horsham, PA
- Average sunshine days in January:
24.3 days - Average sunshine days in February:
20.3 days - Average sunshine days in March:
20.8 days - Average sunshine days in April:
21.5 days - Average sunshine days in May:
19.6 days - Average sunshine days in June:
18.1 days
- Average sunshine days in July:
17.4 days - Average sunshine days in August:
20.3 days - Average sunshine days in September:
21.2 days - Average sunshine days in October:
22.1 days - Average sunshine days in November:
23.9 days - Average sunshine days in December:
23.2 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (17.4 days).
Average UV index
Horsham, 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, March, November and December (UV index 2).
Average cloud cover
Horsham, PA
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Horsham, 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).
Horsham, Pennsylvania, USA
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