Climate and monthly weather forecastLlewellyn, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Llewellyn, Pennsylvania, with temperature in the range of an average high of 32.7°F (0.4°C) and an average low of 20.1°F (-6.6°C). Llewellyn notes the coldest temperatures in January, with a high average of 32.7°F (0.4°C) and a low of 20.1°F (-6.6°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Llewellyn, Pennsylvania, with an average temperature varying between 36.5°F (2.5°C) and 22.3°F (-5.4°C). The introduction of February sees an average high-temperature of a still wintry 36.5°F (2.5°C), hardly deviating from January. Weather in February »Weather in March
March, the first month of the spring in Llewellyn, is a frosty month, with an average temperature fluctuating between 45.1°F (7.3°C) and 29.7°F (-1.3°C). March introduces a marginal temperature uplift, with average high-temperatures adjusting from February's cold 36.5°F (2.5°C) to a frosty 45.1°F (7.3°C). Weather in March »Weather in April
April in Llewellyn, Pennsylvania, is a moderate spring month, with an average temperature fluctuating between 57.4°F (14.1°C) and 39.7°F (4.3°C). April's onset brings a rise in the average high-temperature, moving from a chilly 45.1°F (7.3°C) in March to a moderate 57.4°F (14.1°C). Weather in April »Weather in May
May, the last month of the spring in Llewellyn, is an agreeable month, with temperature in the range of an average low of 49.8°F (9.9°C) and an average high of 68.4°F (20.2°C). As April gives way to May, the average high-temperature displays an increase, moving from a refreshing 57.4°F (14.1°C) to a pleasant 68.4°F (20.2°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Llewellyn, Pennsylvania, with an average temperature varying between 76.1°F (24.5°C) and 56.8°F (13.8°C). Llewellyn's weather in June presents a minor rise in the average high-temperature, moving from a pleasant 68.4°F (20.2°C) in May to a moderately hot 76.1°F (24.5°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Llewellyn, Pennsylvania, with an average temperature fluctuating between 61.7°F (16.5°C) and 81.3°F (27.4°C). Llewellyn records the warmest temperatures in July, averaging a high of 81.3°F (27.4°C) and a low of 61.7°F (16.5°C). In July, the average heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Llewellyn, is also a moderately hot month, with an average temperature ranging between max 79.2°F (26.2°C) and min 60.1°F (15.6°C). Llewellyn's August showcases an average high-temperature of a still warm 79.2°F (26.2°C), hardly distinct from July's 81.3°F (27.4°C). Weather in August »Weather in September
September, the first month of the autumn in Llewellyn, is still a pleasant month, with an average temperature ranging between min 53.8°F (12.1°C) and max 73°F (22.8°C). A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a moderately hot 79.2°F (26.2°C) to a pleasant 73°F (22.8°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Llewellyn, Pennsylvania, with temperature in the range of an average high of 60.6°F (15.9°C) and an average low of 44.6°F (7°C). Llewellyn in October demonstrates a small temperature transition, adjusting from an average high of an agreeable 73°F (22.8°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 Llewellyn, is also a frosty month, with an average temperature fluctuating between 34°F (1.1°C) and 47.8°F (8.8°C). Llewellyn's weather in November involves a decrease in the average high-temperature, moving down from October's refreshing 60.6°F (15.9°C) to a frosty 47.8°F (8.8°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Llewellyn, Pennsylvania, with an average temperature ranging between min 27.9°F (-2.3°C) and max 38.8°F (3.8°C). In December, the meteorological conditions alter, with the average high-temperature shifting from a frosty 47.8°F (8.8°C) in November to a cold 38.8°F (3.8°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 is the month that records the lowest temperatures, with averages ranging from a high of 32.7°F (0.4°C) to a low of 20.1°F (-6.6°C).
In Llewellyn, Pennsylvania, during the entire year, the rain falls for 146 days and collects up to 26.42" (671mm) of precipitation.
Months with snowfall are January through May, October through December.
In Llewellyn, during the entire year, snow falls for 23 days and aggregates up to 13.46" (342mm) of snow.
January and February, with an average of 4.4h of sunshine, are months with the least sunshine in Llewellyn.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
February is the most humid month, with an average relative humidity of 82%.
The month with the least rainfall in Llewellyn is February, when the rain falls for 7.3 days and typically collects 1.69" (43mm) of precipitation.
The month with the most snowfall is March, when snow falls for 5.2 days and typically aggregates up to 3.86" (98mm) 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.
April is the least humid month, with an average relative humidity of 77%.
The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 3.07" (78mm) of precipitation.
In Llewellyn, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 0min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
Llewellyn's temperature records reveal July as the warmest month, marked by average highs of 81.3°F (27.4°C) and lows of 61.7°F (16.5°C).
With an average of 10.5h of sunshine, July has the most sunshine of the year.
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Llewellyn, PA
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.7°F).
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure
Llewellyn, 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:
30.06"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
Llewellyn, PA
- Average wind speed in January:
8.2mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.3mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.7mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Llewellyn, PA
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (77%).
Average rainfall
Llewellyn, PA
- Average rainfall in January:
1.77" - Average rainfall in February:
1.69" - Average rainfall in March:
2.01" - Average rainfall in April:
2.32" - Average rainfall in May:
3.07" - Average rainfall in June:
2.17"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.64" - Average rainfall in September:
1.77" - Average rainfall in October:
2.17" - Average rainfall in November:
2.09" - Average rainfall in December:
1.89"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days
Llewellyn, PA
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
14.6 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
8 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall
Llewellyn, PA
The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Llewellyn, PA
- Average snowfall days in January:
5.8 days - Average snowfall days in February:
6.4 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
0.9 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:
0.2 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
3.1 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Llewellyn, 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 30min - 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 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 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 12min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 24min).
Average sunshine days
Llewellyn, PA
- Average sunshine days in January:
20.4 days - Average sunshine days in February:
15 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
12.9 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
17 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index
Llewellyn, PA
The months with the highest UV index are 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
Llewellyn, PA
The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Llewellyn, PA
The months with the highest visibility are January, March, April, June, November and December (6mi).
The months with the lowest visibility are February, May, July, August, September and October (5mi).
