Climate and monthly weather forecast
Riverside, PA

Weather in January

January, like December, in Riverside, Pennsylvania, is a wintry winter month, with an average temperature fluctuating between 32°F (0°C) and 19.8°F (-6.8°C). With an average high-temperature of 32°F (0°C) and an average low-temperature of 19.8°F (-6.8°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Riverside, is also a wintry month, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 36.1°F (2.3°C). In February, the average high-temperature is almost the same as in January - a still cold 36.1°F (2.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Riverside, Pennsylvania, with an average temperature varying between 45.3°F (7.4°C) and 28.9°F (-1.7°C). In Riverside, the average high-temperature in March rises from a cold 36.1°F (2.3°C) in February to a frosty 45.3°F (7.4°C). Weather in March »

Weather in April

April is a moderate spring month in Riverside, Pennsylvania, with an average temperature varying between 39°F (3.9°C) and 57.7°F (14.3°C). In April, the average high-temperature rises from a chilly 45.3°F (7.4°C) in March to a moderate 57.7°F (14.3°C). Weather in April »

Weather in May

May, the last month of the spring in Riverside, is a pleasant month, with an average temperature ranging between min 48.9°F (9.4°C) and max 68.7°F (20.4°C). In May, the average high-temperature rises from a mild 57.7°F (14.3°C) in April to a pleasant 68.7°F (20.4°C). Weather in May »

Weather in June

June, the first month of the summer in Riverside, is a warm month, with an average temperature varying between 55.9°F (13.3°C) and 76.5°F (24.7°C). In Riverside, the average high-temperature in June slightly increases from a pleasant 68.7°F (20.4°C) in May to a moderately hot 76.5°F (24.7°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Riverside, Pennsylvania, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 81.9°F (27.7°C). With an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 60.4°F (15.8°C), July is the warmest month. In July, the average heat index is calculated to be a hot 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Riverside, is also a moderately hot month, with an average temperature ranging between min 58.6°F (14.8°C) and max 80.1°F (26.7°C). In Riverside, the average high-temperature in August is almost the same as in July - a still moderately hot 80.1°F (26.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Riverside, is also an agreeable month, with an average temperature fluctuating between 73°F (22.8°C) and 52.9°F (11.6°C). In September, the average high-temperature slightly decreases from a moderately hot 80.1°F (26.7°C) in August to an agreeable 73°F (22.8°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Riverside, Pennsylvania, with an average temperature varying between 43.9°F (6.6°C) and 60.6°F (15.9°C). In Riverside, the average high-temperature in October drops from an agreeable 73°F (22.8°C) in September to a moderate 60.6°F (15.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Riverside, Pennsylvania, with an average temperature varying between 33.6°F (0.9°C) and 48°F (8.9°C). In Riverside, Pennsylvania, the average high-temperature in November decreases from a moderate 60.6°F (15.9°C) in October to a chilly 48°F (8.9°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Riverside, Pennsylvania, with temperature in the range of an average high of 38.3°F (3.5°C) and an average low of 27.7°F (-2.4°C). In December, the average high-temperature decreases from a chilly 48°F (8.9°C) in November to a wintry 38.3°F (3.5°C). Weather in December »
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FAQ

What is the coldest month in Riverside?

The coldest month in Riverside, Pennsylvania, is January, with an average high-temperature of 32°F (0°C) and an average low-temperature of 19.8°F (-6.8°C).

What is the driest month in Riverside?

January is the month with the least rainfall in Riverside. Rain falls for 8.3 days and accumulates 2.05" (52mm) of precipitation.

How much does it rain in Riverside?

In Riverside, during the entire year, the rain falls for 157.2 days and collects up to 30.43" (773mm) of precipitation.

When does it snow in Riverside?

January through May, October through December are months with snowfall.

How many days does it snow in Riverside?

In Riverside, Pennsylvania, during the entire year, snow falls for 33.2 days and aggregates up to 16.57" (421mm) of snow.

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

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

What is the most humid month in Riverside?

The most humid month in Riverside is February, with an average relative humidity of 82%.

When does it snow the most in Riverside?

The month with the most snowfall is February, when snow falls for 8.8 days and typically aggregates up to 4.8" (122mm) of snow.

What is the month with the least sunshine in Riverside?

The month with the least sunshine in Riverside is February, with an average of 4h of sunshine.

When is Daylight Saving Time (DST) in Riverside?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Riverside?

The least humid month is April, with an average relative humidity of 76%.

When it does not snow in Riverside?

In Riverside, Pennsylvania, snow does not fall in June through September.

When are the longest days in Riverside?

The month with the longest days in Riverside, Pennsylvania, is June, with an average of 15h and 4min of daylight.

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

The month with the highest UV index in Riverside is June, with an average maximum UV index of 6.

What is the warmest month in Riverside?

With an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 60.4°F (15.8°C), July is the warmest month.

What is the wettest month in Riverside?

The month with the most rainfall in Riverside, Pennsylvania, is July, when the rain falls for 17.8 days and typically aggregates up to 3.27" (83mm) of precipitation.

What month has the most sunshine in Riverside?

July has the most sunshine of the year in Riverside, with an average of 10.2h of sunshine.

What is the month with the shortest days in Riverside?

December has the shortest days of the year in Riverside, with an average of 9h and 17min of daylight.

Average pressure
Riverside, PA

Average pressure - Riverside, PA

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

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Average wind speed
Riverside, PA

Average wind speed - Riverside, PA

The windiest months (with the highest average wind speed) are March and April (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average rainfall
Riverside, PA

Average rainfall - Riverside, PA

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (2.05").

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Average rainfall days
Riverside, PA

Average rainfall days - Riverside, PA

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall
Riverside, PA

Average snowfall - Riverside, PA

The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Riverside, PA

Average snowfall days - Riverside, PA

The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Riverside, PA

Average daylight / Average sunshine - Riverside, PA

The month with the longest days is June (Average daylight: 15h and 4min).
The month with the shortest days is December (Average daylight: 9h and 17min).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

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Average sunshine days
Riverside, PA

Average sunshine days - Riverside, PA

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (10.5 days).

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Average UV index
Riverside, PA

Average UV index - Riverside, 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).

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Average visibility
Riverside, PA

Average visibility - Riverside, 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).

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