Climate and monthly weather forecastMerrian, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Merrian, Pennsylvania, with temperature in the range of an average high of 32°F (0°C) and an average low of 20.1°F (-6.6°C). Merrian experiences its lowest average temperatures in January, reaching a peak of 32°F (0°C) and a minimum of 20.1°F (-6.6°C). Weather in January »Weather in February
February, the last month of the winter in Merrian, is also a wintry month, with an average temperature fluctuating between 21.6°F (-5.8°C) and 36.1°F (2.3°C). Merrian observes an average high-temperature of a still icy 36.1°F (2.3°C) in February, barely different from 32°F (0°C) in January. Weather in February »Weather in March
March, the first month of the spring in Merrian, is a frosty month, with an average temperature ranging between min 29.3°F (-1.5°C) and max 45.1°F (7.3°C). Merrian's transition into March is marked by a rise in the average high-temperature, advancing from an icy 36.1°F (2.3°C) in February to a chilly 45.1°F (7.3°C). Weather in March »Weather in April
April in Merrian, Pennsylvania, is a refreshing spring month, with an average temperature ranging between max 57.2°F (14°C) and min 39.6°F (4.2°C). The onset of April brings a rise in the average high-temperature, elevating from a frosty 45.1°F (7.3°C) in March to a moderate 57.2°F (14°C). Weather in April »Weather in May
May, the last month of the spring in Merrian, is an agreeable month, with temperature in the range of an average low of 49.3°F (9.6°C) and an average high of 68.2°F (20.1°C). Observing a rise in May, the average high-temperature goes from April's refreshing 57.2°F (14°C) to a pleasant 68.2°F (20.1°C). Weather in May »Weather in June
June, the first month of the summer in Merrian, is a warm month, with an average temperature ranging between max 75.7°F (24.3°C) and min 56.5°F (13.6°C). As Merrian transitions into June, the average high-temperature is observed to slightly rise from a pleasant 68.2°F (20.1°C) in May to a moderately hot 75.7°F (24.3°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Merrian, Pennsylvania, with an average temperature ranging between max 81.5°F (27.5°C) and min 61.2°F (16.2°C). With its high average temperature of 81.5°F (27.5°C) and a low of 61.2°F (16.2°C), July is regarded as the warmest month. July's heat index is evaluated at a hot 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Merrian, is another warm month, with an average temperature varying between 79.3°F (26.3°C) and 59.5°F (15.3°C). The start of August sees the average high-temperature at a still warm 79.3°F (26.3°C), showing little difference from July's 81.5°F (27.5°C). Weather in August »Weather in September
September, the first month of the autumn in Merrian, is also an agreeable month, with an average temperature varying between 53.6°F (12°C) and 72.9°F (22.7°C). A mild drop in Merrian's average high-temperature is observed in September, transitioning from a moderately hot 79.3°F (26.3°C) in August to an agreeable 72.9°F (22.7°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Merrian, Pennsylvania, with an average temperature varying between 60.6°F (15.9°C) and 44.2°F (6.8°C). Merrian's weather changes with the onset of October, slightly falling from a pleasant 72.9°F (22.7°C) in September to a moderate 60.6°F (15.9°C). Weather in October »Weather in November
November, the last month of the autumn in Merrian, is also a frosty month, with temperature in the range of an average low of 33.6°F (0.9°C) and an average high of 47.8°F (8.8°C). Merrian's November weather comes with a decrease in average high-temperatures, moving from a mild 60.6°F (15.9°C) in October to a frosty 47.8°F (8.8°C). Weather in November »Weather in December
December, the first month of the winter in Merrian, is also an icy month, with an average temperature ranging between max 38.3°F (3.5°C) and min 27.7°F (-2.4°C). As November transitions into December, Merrian sees a drop in the average high-temperature, transitioning from a chilly 47.8°F (8.8°C) to an icy 38.3°F (3.5°C). Weather in December »Updated: Feb 13, 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 is the coldest month of the year in Merrian, registering average temperatures as high as 32°F (0°C) and as low as 20.1°F (-6.6°C).
Throughout the year, in Merrian, Pennsylvania, there are 129.2 rainfall days, and 16.42" (417mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
Throughout the year, in Merrian, there are 28.6 snowfall days, and 9.37" (238mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Merrian, Pennsylvania.
February is the most humid month, with an average relative humidity of 82%.
The month with the least rainfall in Merrian is February, when the rain falls for 6.8 days and typically collects 0.98" (25mm) of precipitation.
February is the month with the most snowfall in Merrian. Snow falls for 7.3 days and accumulates 2.2" (56mm) of snow.
February has the least sunshine of the year in Merrian, with an average of 4.1h of sunshine.
March and April, with an average relative humidity of 77%, are the least humid months in Merrian, Pennsylvania.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Merrian, 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.
The wettest months are May and July, with an average 1.97" (50mm) of rainfall.
In Merrian, snow does not fall in June through September.
June has the longest days of the year in Merrian, with an average of 15h and 6min of daylight.
With an average maximum UV index of 6, June is the month with the highest UV index in Merrian, Pennsylvania.
Merrian, Pennsylvania, reaches its average highest temperatures in July, measuring 81.5°F (27.5°C) at the peak and 61.2°F (16.2°C) at the lowest.
July has the most sunshine of the year in Merrian, with an average of 10.3h of sunshine.
With an average of 9h and 18min of daylight, December has the shortest days of the year in Merrian.
Average temperature
Merrian, PA
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32°F).
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure
Merrian, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.08"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:
29.97"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.07"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.1"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
Merrian, PA
- Average wind speed in January:
8mph - Average wind speed in February:
8mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.3mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.6mph
The windiest months (with the highest average wind speed) are March and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Merrian, PA
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall
Merrian, PA
- Average rainfall in January:
1.06" - Average rainfall in February:
0.98" - Average rainfall in March:
1.18" - Average rainfall in April:
1.69" - Average rainfall in May:
1.97" - Average rainfall in June:
1.42"
- Average rainfall in July:
1.97" - Average rainfall in August:
1.61" - Average rainfall in September:
1.02" - Average rainfall in October:
1.26" - Average rainfall in November:
1.14" - Average rainfall in December:
1.1"
The wettest months (with the highest rainfall) are May and July (1.97").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days
Merrian, PA
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
9.6 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
15.4 days - Average rainfall days in June:
13.4 days
- Average rainfall days in July:
14.7 days - Average rainfall days in August:
12.9 days - Average rainfall days in September:
9.8 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
8.3 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (5.8 days).
Average snowfall
Merrian, PA
- Average snowfall in January:
2.13" - Average snowfall in February:
2.2" - Average snowfall in March:
2.17" - Average snowfall in April:
0.16" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Merrian, PA
- Average snowfall days in January:
8 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
4.7 days - Average snowfall days in April:
0.6 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:
0.4 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Merrian, PA
- Average daylight in January:
9h and 36min - 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 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 12min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 12min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 12min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days
Merrian, PA
- Average sunshine days in January:
19.4 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
17.6 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
12.5 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
20.4 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (12.5 days).
Average UV index
Merrian, PA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Merrian, PA
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility
Merrian, PA
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
