Climate and monthly weather forecast
Gwynedd, PA

Share

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 »

Frequently asked questions

What is the coldest month in Gwynedd?

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).

How many days does it rain?

In Gwynedd, during the entire year, the rain falls for 116.6 days and collects up to 10.63" (270mm) of precipitation.

When does it snow?

Months with snowfall are January through May, November and December.

How many days does it snow?

In Gwynedd, during the entire year, snow falls for 14.8 days and aggregates up to 3.5" (89mm) of snow.

What are the months with the lowest UV index in Gwynedd?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What are the most humid months?

The months with the highest humidity are February, October and December, with an average relative humidity of 79%.

What is the month with the least sunshine?

With an average of 4.7h of sunshine, February has the least sunshine of the year.

When does it snow the most?

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.

When is Daylight Saving Time (DST)?

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.

What are the least humid months?

The months with the lowest humidity are April, July and August, with an average relative humidity of 73%.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

When it does not snow in Gwynedd?

In Gwynedd, snow does not fall in June through October.

When are the longest days?

June has the longest days of the year, with an average of 15h and 0min of daylight.

What is the hottest time of year?

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).

What is the rainiest month in Gwynedd?

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.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.7h of sunshine.

What is the driest month?

September is the month with the least rainfall in Gwynedd. Rain falls for 9.4 days and accumulates 0.59" (15mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

Average temperature
Gwynedd, PA

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 - Gwynedd, PA

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 - Gwynedd, PA

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

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 - Gwynedd, PA

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 - Gwynedd, PA

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 - Gwynedd, PA

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 - Gwynedd, PA

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 / Average sunshine - Gwynedd, PA

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).

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 - Gwynedd, PA

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

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 visibility
Gwynedd, PA

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).

Gwynedd, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location