Climate and monthly weather forecastGwynedd, PA
Climate and monthly weather forecast
Weather in January
January, like December, in Gwynedd, Pennsylvania, is another cold winter month, with temperature in the range of an average high of 35.6°F (2°C) and an average low of 23.5°F (-4.7°C). Gwynedd's coldest month, January, generally records average temperatures ranging from a high of 35.6°F (2°C) to a low of 23.5°F (-4.7°C). Weather in January »Weather in February
February, the last month of the winter in Gwynedd, is also an icy month, with an average temperature ranging between max 39.4°F (4.1°C) and min 25.5°F (-3.6°C). In February, Gwynedd's weather conditions record an average high-temperature of a still icy 39.4°F (4.1°C), demonstrating little divergence from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Gwynedd, is a chilly month, with an average temperature varying between 32.9°F (0.5°C) and 48.2°F (9°C). As February gives way to March, the average high-temperature displays a slight ascent, adjusting from an icy 39.4°F (4.1°C) to a chilly 48.2°F (9°C). Weather in March »Weather in April
April in Gwynedd, Pennsylvania, is a refreshing spring month, with an average temperature varying between 43.2°F (6.2°C) and 60.4°F (15.8°C). April's arrival coincides with a temperature rise, moving from March's frosty 48.2°F (9°C) to a mild 60.4°F (15.8°C). Weather in April »Weather in May
May, the last month of the spring in Gwynedd, is an agreeable month, with an average temperature fluctuating between 53.2°F (11.8°C) and 71.2°F (21.8°C). The onset of May brings a rise in the average high-temperature, elevating from a mild 60.4°F (15.8°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 Gwynedd, is a warm month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 60.8°F (16°C). With the onset of June, Gwynedd experiences a subtle temperature shift, with the average high-temperature moving from an agreeable 71.2°F (21.8°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Gwynedd, Pennsylvania, with temperature in the range of an average high of 85.3°F (29.6°C) and an average low of 66.9°F (19.4°C). During the warmest month, July, temperatures average a high of 85.3°F (29.6°C) and a low of 66.9°F (19.4°C). July's mean heat index is appraised at a fiery hot 95°F (35°C). Weather in July »Weather in August
August, the last month of the summer in Gwynedd, is another warm month, with an average temperature varying between 82.8°F (28.2°C) and 65.3°F (18.5°C). Gwynedd's average high-temperature in August is a still warm 82.8°F (28.2°C), marking an insignificant difference from the 85.3°F (29.6°C) of July. Weather in August »Weather in September
September, the first month of the autumn in Gwynedd, is still a warm month, with an average temperature varying between 58.3°F (14.6°C) and 75.9°F (24.4°C). In September, the average high-temperature marginally drops from 82.8°F (28.2°C) in August to a still warm 75.9°F (24.4°C). Weather in September »Weather in October
October, like September, in Gwynedd, Pennsylvania, is another comfortable autumn month, with an average temperature varying between 63.5°F (17.5°C) and 48.2°F (9°C). During the transition into October, Gwynedd observes a decrease in the average high-temperature, falling from a moderately hot 75.9°F (24.4°C) in September to a refreshing 63.5°F (17.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Gwynedd, Pennsylvania, with an average temperature varying between 51.3°F (10.7°C) and 37.2°F (2.9°C). November comes with a drop in the average high-temperature, falling from October's refreshing 63.5°F (17.5°C) to a cool 51.3°F (10.7°C). Weather in November »Weather in December
December, the first month of the winter in Gwynedd, is still a cold month, with an average temperature ranging between max 42.1°F (5.6°C) and min 30.7°F (-0.7°C). The start of December involves a temperature drop, moving from a cool 51.3°F (10.7°C) in November to a wintry 42.1°F (5.6°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 coldest month, with the temperature often reaching an average high of 35.6°F (2°C) and an average low of 23.5°F (-4.7°C).
In Gwynedd, during the entire year, the rain falls for 116.6 days and collects up to 10.63" (270mm) of precipitation.
Months with snowfall are January through May, November and December.
In Gwynedd, during the entire year, snow falls for 14.8 days and aggregates up to 3.5" (89mm) of snow.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
The months with the highest humidity are February, October and December, with an average relative humidity of 79%.
With an average of 4.7h of sunshine, February has the least sunshine of the year.
The month with the most snowfall is March, when snow falls for 3.3 days and typically aggregates up to 1.02" (26mm) 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.
The months with the lowest humidity are April, July and August, with an average relative humidity of 73%.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
In Gwynedd, snow does not fall in June through October.
June has the longest days of the year, with an average of 15h and 0min of daylight.
Gwynedd experiences its highest temperatures in July, with an average peak of 85.3°F (29.6°C) and a low of 66.9°F (19.4°C).
The month with the most rainfall is July, when the rain falls for 13.8 days and typically aggregates up to 1.3" (33mm) of precipitation.
July has the most sunshine of the year, with an average of 10.7h of sunshine.
September is the month with the least rainfall in Gwynedd. Rain falls for 9.4 days and accumulates 0.59" (15mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Gwynedd, PA
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (35.6°F).
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure
Gwynedd, PA
- Average pressure in January:
30.08"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:
30.12"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
Gwynedd, PA
- Average wind speed in January:
8mph - Average wind speed in February:
7.9mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Gwynedd, PA
The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April, July and August (73%).
Average rainfall
Gwynedd, PA
- Average rainfall in January:
0.63" - Average rainfall in February:
0.63" - Average rainfall in March:
0.87" - Average rainfall in April:
0.71" - Average rainfall in May:
1.02" - Average rainfall in June:
1.02"
- Average rainfall in July:
1.3" - Average rainfall in August:
1.26" - Average rainfall in September:
0.59" - Average rainfall in October:
0.79" - Average rainfall in November:
0.79" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days
Gwynedd, PA
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
9.4 days - Average rainfall days in April:
10.7 days - Average rainfall days in May:
13.1 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
12.4 days - Average rainfall days in September:
9.4 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
6.6 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is July (13.8 days).
The months with the least rainy days are January and February (6.3 days).
Average snowfall
Gwynedd, PA
- Average snowfall in January:
0.71" - Average snowfall in February:
0.79" - Average snowfall in March:
1.02" - Average snowfall in April:
0.12" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is March (1.02").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Gwynedd, PA
- Average snowfall days in January:
4.6 days - Average snowfall days in February:
4.2 days - Average snowfall days in March:
3.3 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
1.8 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Gwynedd, 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 42min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 54min - 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Gwynedd, PA
- Average sunshine days in January:
21.4 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
17.9 days - Average sunshine days in April:
17.3 days - Average sunshine days in May:
15.7 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
13.9 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
22.3 days - Average sunshine days in December:
21.7 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (13.9 days).
Average UV index
Gwynedd, 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
Gwynedd, 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
Gwynedd, 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).
