Climate and monthly weather forecast
Radnor, OH

englishespañol中文
Share

Weather in January

January, like December, in Radnor, Ohio, is another cold winter month, with an average temperature varying between 20.3°F (-6.5°C) and 32°F (0°C). January, having an average high-temperature of 32°F (0°C) and an average low-temperature of 20.3°F (-6.5°C), is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Radnor, is also an icy month, with temperature in the range of an average high of 36.9°F (2.7°C) and an average low of 23.7°F (-4.6°C). Radnor greets February with an average high-temperature of a still cold 36.9°F (2.7°C), marking a slight deviation from the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Radnor, Ohio, with temperature in the range of an average high of 47.7°F (8.7°C) and an average low of 32.5°F (0.3°C). With the onset of March, Radnor's average high-temperature experiences a rise, moving from February's wintry 36.9°F (2.7°C) to a frosty 47.7°F (8.7°C). Weather in March »

Weather in April

April in Radnor, Ohio, is a mild spring month, with an average temperature varying between 42.8°F (6°C) and 59.9°F (15.5°C). April's arrival sees a rise in the average high-temperature, jumping from March's chilly 47.7°F (8.7°C) to a mild 59.9°F (15.5°C). Weather in April »

Weather in May

May, the last month of the spring in Radnor, is a pleasant month, with an average temperature fluctuating between 53.6°F (12°C) and 71.1°F (21.7°C). May's onset is marked by a temperature increase, moving from a mild 59.9°F (15.5°C) in April to a pleasant 71.1°F (21.7°C). Weather in May »

Weather in June

June, the first month of the summer in Radnor, is a moderately hot month, with an average temperature fluctuating between 60.4°F (15.8°C) and 77.9°F (25.5°C). In Radnor, stepping into June brings a gentle temperature nudge, moving slightly up from May's pleasant 71.1°F (21.7°C) to a warm 77.9°F (25.5°C). Weather in June »

Weather in July

July, like June, in Radnor, Ohio, is another warm summer month, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 81.1°F (27.3°C). Radnor's warmest month, July, generally records average temperatures ranging from a high of 81.1°F (27.3°C) to a low of 63.9°F (17.7°C). The average heat index in July is calculated to be a hot 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Radnor, is another warm month, with an average temperature varying between 61.5°F (16.4°C) and 79.3°F (26.3°C). As August unfolds, the average high-temperature reaches a still warm 79.3°F (26.3°C), hinting at a slight fluctuation from the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Radnor, Ohio, with an average temperature ranging between min 56.1°F (13.4°C) and max 74.7°F (23.7°C). With the transition into September, Radnor notes an average high-temperature of a still moderately hot 74.7°F (23.7°C), closely resembling August. Weather in September »

Weather in October

October, like September, in Radnor, Ohio, is another enjoyable autumn month, with an average temperature varying between 61.9°F (16.6°C) and 46.2°F (7.9°C). In Radnor, entering October brings a temperature decrement, reducing from September's moderately hot 74.7°F (23.7°C) to an enjoyable 61.9°F (16.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Radnor, is another chilly month, with an average temperature varying between 35.1°F (1.7°C) and 48.6°F (9.2°C). The onset of November entails a temperature shift, as the average high-temperature decreases from a comfortable 61.9°F (16.6°C) in October to a frosty 48.6°F (9.2°C). Weather in November »

Weather in December

December, the first month of the winter in Radnor, is also a wintry month, with an average temperature fluctuating between 38.3°F (3.5°C) and 28.6°F (-1.9°C). The onset of December coincides with a reduction in the average high-temperature, falling from a chilly 48.6°F (9.2°C) in November to a cold 38.3°F (3.5°C). Weather in December »
[Resources]

Frequently asked questions

What is the coldest time of year in Radnor?

Radnor's temperature records reveal January as the coldest month, marked by average highs of 32°F (0°C) and lows of 20.3°F (-6.5°C).

What is the most humid month in Radnor?

The most humid month is January, with an average relative humidity of 84%.

How many days does it rain in Radnor?

In Radnor, Ohio, during the entire year, the rain falls for 172.1 days and collects up to 32.01" (813mm) of precipitation.

When does it snow in Radnor?

Months with snowfall in Radnor are January through April, October through December.

When does it snow the most in Radnor?

The month with the most snowfall is January, when snow falls for 13.8 days and typically aggregates up to 3.46" (88mm) of snow.

How many days does it snow in Radnor?

In Radnor, during the entire year, snow falls for 46.8 days and aggregates up to 13.58" (345mm) of snow.

What is the month with the least sunshine in Radnor?

With an average of 3.5h of sunshine, January has the least sunshine of the year in Radnor, Ohio.

When is the lowest UV index in Radnor?

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

When is Daylight Saving Time (DST) in Radnor?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Radnor, Ohio, 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 is the wettest month in Radnor?

May is the month with the most rainfall. Rain falls for 18.7 days and accumulates 3.82" (97mm) of precipitation.

When it does not snow in Radnor?

In Radnor, Ohio, snow does not fall in May through September.

When are the longest days in Radnor?

The month with the longest days in Radnor is June, with an average of 15h and 0min of daylight.

What is the month with the highest UV index in Radnor?

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

What time of the year is the hottest in Radnor?

July is the warmest month of the year in Radnor, registering average temperatures as high as 81.1°F (27.3°C) and as low as 63.9°F (17.7°C).

What month has the most sunshine in Radnor?

August has the most sunshine of the year, with an average of 10.4h of sunshine.

What is the driest month in Radnor?

September is the month with the least rainfall. Rain falls for 14.7 days and accumulates 1.93" (49mm) of precipitation.

What is the least humid month in Radnor?

The months with the lowest humidity are October and November, with an average relative humidity of 75%.

What is the month with the shortest days in Radnor?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

Average temperature
Radnor, OH

Average temperature - Radnor, OH

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32°F).

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

[Resources]

Average pressure
Radnor, OH

Average pressure - Radnor, OH

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed
Radnor, OH

Average wind speed - Radnor, OH

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

[Resources]

Average humidity
Radnor, OH

Average humidity - Radnor, OH

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).

[Resources]

Average rainfall
Radnor, OH

Average rainfall - Radnor, OH

The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is September (1.93").

[Resources]

Average rainfall days
Radnor, OH

Average rainfall days - Radnor, OH

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (10 days).

[Resources]

Average snowfall
Radnor, OH

Average snowfall - Radnor, OH

The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days
Radnor, OH

Average snowfall days - Radnor, OH

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight / Average sunshine
Radnor, OH

Average daylight / Average sunshine - Radnor, OH

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).

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

[Resources]

Average sunshine days
Radnor, OH

Average sunshine days - Radnor, OH

The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (9.1 days).

[Resources]

Average UV index
Radnor, OH

Average UV index - Radnor, OH

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average visibility
Radnor, OH

Average visibility - Radnor, OH

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

[Resources]

Radnor, Ohio, USA

Weather forecast for your location

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