Climate and monthly weather forecastHarmonyville, PA
Climate and monthly weather forecast
Weather in January
January, like December, in Harmonyville, Pennsylvania, is another cold winter month, with temperature in the range of an average high of 35.2°F (1.8°C) and an average low of 22.8°F (-5.1°C). January, characterized by an average high temperature of 35.2°F (1.8°C) and a low temperature of 22.8°F (-5.1°C), is generally the coldest month. Weather in January »Weather in February
February, the last month of the winter in Harmonyville, is another cold month, with an average temperature varying between 24.6°F (-4.1°C) and 38.8°F (3.8°C). The beginning of February records an average high-temperature of a still wintry 38.8°F (3.8°C), almost echoing the conditions of the previous month. Weather in February »Weather in March
March, the first month of the spring in Harmonyville, is a frosty month, with an average temperature fluctuating between 47.1°F (8.4°C) and 32°F (0°C). Harmonyville in March denotes a subtle temperature transition, adjusting from an average high of a cold 38.8°F (3.8°C) in February to a frosty 47.1°F (8.4°C). Weather in March »Weather in April
April is a refreshing spring month in Harmonyville, Pennsylvania, with an average temperature varying between 59.7°F (15.4°C) and 42.1°F (5.6°C). An escalation in the average high-temperature is seen with the onset of April, moving from a chilly 47.1°F (8.4°C) in March to a mild 59.7°F (15.4°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Harmonyville, Pennsylvania, with an average temperature fluctuating between 70.5°F (21.4°C) and 51.8°F (11°C). As April gives way to May, the average high-temperature displays an increase, moving from a moderate 59.7°F (15.4°C) to an agreeable 70.5°F (21.4°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Harmonyville, Pennsylvania, with an average temperature fluctuating between 78.1°F (25.6°C) and 59.4°F (15.2°C). As June arrives, Harmonyville's weather shows a minor increase in high-temperatures, edging from May's pleasant 70.5°F (21.4°C) to a moderately hot 78.1°F (25.6°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Harmonyville, Pennsylvania, with an average temperature varying between 64.2°F (17.9°C) and 83.7°F (28.7°C). July is the warmest month, with the temperature often reaching an average high of 83.7°F (28.7°C) and an average low of 64.2°F (17.9°C). In July, the heat index is calculated to be a hot 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Harmonyville, is also a moderately hot month, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 81.1°F (27.3°C). Harmonyville's average high-temperature in August sits at a still moderately hot 81.1°F (27.3°C), showing little difference from the previous month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Harmonyville, Pennsylvania, with an average temperature ranging between max 75°F (23.9°C) and min 56.5°F (13.6°C). With the onset of September, Harmonyville experiences a modest temperature adjustment, with the average high-temperature gently receding from 81.1°F (27.3°C) in August to a still moderately hot 75°F (23.9°C). Weather in September »Weather in October
October, like September, in Harmonyville, Pennsylvania, is another refreshing autumn month, with an average temperature fluctuating between 46.9°F (8.3°C) and 63°F (17.2°C). Harmonyville experiences a temperature shift at the start of October, with average high-temperatures adjusting from a moderately hot 75°F (23.9°C) in September to a refreshing 63°F (17.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Harmonyville, Pennsylvania, with an average temperature varying between 50.4°F (10.2°C) and 36°F (2.2°C). November suggests a modest reduction in the average high-temperature, shifting from a comfortable 63°F (17.2°C) in October to a cool 50.4°F (10.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Harmonyville, Pennsylvania, with an average temperature fluctuating between 30°F (-1.1°C) and 41.4°F (5.2°C). During the shift to December, a minor reduction in average high-temperature is observed, shifting from a cool 50.4°F (10.2°C) in November to a cold 41.4°F (5.2°C). Weather in December »Updated: Jul 6, 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
The coldest time of the year is January, with temperatures averaging a high of 35.2°F (1.8°C) and a low of 22.8°F (-5.1°C).
In Harmonyville, during the entire year, the rain falls for 162.2 days and collects up to 27.87" (708mm) of precipitation.
January through May, October through December are months with snowfall.
In Harmonyville, during the entire year, snow falls for 22.9 days and aggregates up to 10.35" (263mm) of snow.
January through March, 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 81%, are most humid months.
February has the least sunshine of the year, with an average of 4.7h of sunshine.
March is the month with the most snowfall. Snow falls for 4.3 days and accumulates 3.03" (77mm) of snow.
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.
With an average relative humidity of 76%, April is the least humid month.
The months with the highest UV index are May through July, with an average maximum UV index of 6.
In Harmonyville, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 0min of daylight.
Temperature records mark July as the warmest month, with highs averaging 83.7°F (28.7°C) and lows at 64.2°F (17.9°C).
With an average of 10.6h of sunshine, July has the most sunshine of the year in Harmonyville.
The month with the most rainfall is August, when the rain falls for 15.3 days and typically aggregates up to 2.83" (72mm) of precipitation.
The month with the least rainfall in Harmonyville is September, when the rain falls for 12.9 days and typically collects 1.77" (45mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Harmonyville, PA
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.2°F).
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure
Harmonyville, 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:
30.06"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 (29.94"Hg).
Average wind speed
Harmonyville, PA
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.4mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.8mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Harmonyville, PA
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Harmonyville, PA
- Average rainfall in January:
2.09" - Average rainfall in February:
2.09" - Average rainfall in March:
2.36" - Average rainfall in April:
2.4" - Average rainfall in May:
2.6" - Average rainfall in June:
2.24"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days
Harmonyville, PA
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
10.7 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
16.2 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
11.1 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (9.4 days).
Average snowfall
Harmonyville, PA
- Average snowfall in January:
2.4" - Average snowfall in February:
2.72" - Average snowfall in March:
3.03" - Average snowfall in April:
0.16" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Harmonyville, PA
- Average snowfall days in January:
7.3 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.2 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:
0.8 days - Average snowfall days in December:
3.6 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Harmonyville, 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 48min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Harmonyville, PA
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
13 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
15.4 days - Average sunshine days in November:
17.8 days - Average sunshine days in December:
15.9 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (11.6 days).
Average UV index
Harmonyville, PA
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Harmonyville, PA
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Harmonyville, PA
The months with the highest visibility are January, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are February, May, September and October (5mi).
