Climate and monthly weather forecastRiverside, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Riverside, Pennsylvania, with temperature in the range of an average low of 19.8°F (-6.8°C) and an average high of 32°F (0°C). The month of January sees the lowest average temperatures, reaching 32°F (0°C) at the peak and 19.8°F (-6.8°C) at the low. Weather in January »Weather in February
The last month of the winter, February, is another cold month in Riverside, Pennsylvania, with an average temperature fluctuating between 21.6°F (-5.8°C) and 36.1°F (2.3°C). Riverside records an average high-temperature of a still icy 36.1°F (2.3°C) in February, maintaining a close correlation with January's 32°F (0°C). Weather in February »Weather in March
March, the first month of the spring in Riverside, is a chilly month, with temperature in the range of an average high of 45.3°F (7.4°C) and an average low of 28.9°F (-1.7°C). Riverside in March experiences an increase in the average high-temperature, moving from February's icy 36.1°F (2.3°C) to a frosty 45.3°F (7.4°C). Weather in March »Weather in April
April in Riverside, Pennsylvania, is a mild spring month, with temperature in the range of an average high of 57.7°F (14.3°C) and an average low of 39°F (3.9°C). An increase in the average high-temperature marks April, moving from March's frosty 45.3°F (7.4°C) to a mild 57.7°F (14.3°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Riverside, Pennsylvania, with an average temperature varying between 68.7°F (20.4°C) and 48.9°F (9.4°C). As April gives way to May, the average high-temperature displays an increase, moving from a mild 57.7°F (14.3°C) to a pleasant 68.7°F (20.4°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Riverside, Pennsylvania, with an average temperature varying between 76.5°F (24.7°C) and 55.9°F (13.3°C). The arrival of June witnesses a small shift in the average high-temperature, moving from an agreeable 68.7°F (20.4°C) in May to a warm 76.5°F (24.7°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Riverside, Pennsylvania, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 60.4°F (15.8°C). During the warmest month, July, temperatures average a high of 81.9°F (27.7°C) and a low of 60.4°F (15.8°C). The heat index in July is evaluated at a hot 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Riverside, is another warm month, with an average temperature ranging between min 58.6°F (14.8°C) and max 80.1°F (26.7°C). Riverside transitions into August recording an average high-temperature of a still warm 80.1°F (26.7°C), closely aligning with the preceding month's temperature. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Riverside, Pennsylvania, with temperature in the range of an average low of 52.9°F (11.6°C) and an average high of 73°F (22.8°C). As September commences, the average high-temperature subtly reduces, transitioning from a warm 80.1°F (26.7°C) in August to a pleasant 73°F (22.8°C). Weather in September »Weather in October
October, the same as September, in Riverside, Pennsylvania, is a moderate autumn month, with an average temperature fluctuating between 60.6°F (15.9°C) and 43.9°F (6.6°C). Transition into October marks a drop in the average high-temperature, moving 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
November, the last month of the autumn in Riverside, is also a frosty month, with an average temperature varying between 33.6°F (0.9°C) and 48°F (8.9°C). The beginning of November involves a decrease in the average high-temperature, transitioning from a refreshing 60.6°F (15.9°C) in October to a chilly 48°F (8.9°C). Weather in November »Weather in December
December, the first month of the winter in Riverside, is also a wintry month, with an average temperature varying between 38.3°F (3.5°C) and 27.7°F (-2.4°C). Riverside's weather changes with the onset of December, slightly falling from a chilly 48°F (8.9°C) in November to an icy 38.3°F (3.5°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
In Riverside, the average lowest temperatures are observed in January, with a high of 32°F (0°C) and a low of 19.8°F (-6.8°C).
The month with the least rainfall is January, when the rain falls for 8.3 days and typically collects 2.05" (52mm) of precipitation.
Throughout the year, there are 157.2 rainfall days, and 30.43" (773mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
In Riverside, during the entire year, snow falls for 33.2 days and aggregates up to 16.57" (421mm) 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 most humid month is February, with an average relative humidity of 82%.
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.
February has the least sunshine of the year, with an average of 4h of sunshine.
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 76%.
In Riverside, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 6min of daylight.
The month with the highest UV index is June, with an average maximum UV index of 6.
July, with its high-temperature average of 81.9°F (27.7°C) and a low-temperature average of 60.4°F (15.8°C), is the warmest month.
The month with the most rainfall is July, when the rain falls for 17.8 days and typically aggregates up to 3.27" (83mm) of precipitation.
With an average of 10.2h 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
Riverside, PA
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32°F).
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure
Riverside, 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:
29.98"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:
30.07"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
Riverside, PA
- Average wind speed in January:
7.6mph - Average wind speed in February:
7.6mph - Average wind speed in March:
8mph - Average wind speed in April:
8mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.3mph
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).
Average humidity
Riverside, PA
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Riverside, PA
- Average rainfall in January:
2.05" - Average rainfall in February:
2.09" - Average rainfall in March:
2.2" - Average rainfall in April:
2.95" - Average rainfall in May:
3.19" - Average rainfall in June:
2.91"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days
Riverside, PA
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
8.9 days - Average rainfall days in March:
11.4 days - Average rainfall days in April:
16.6 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
12.4 days - Average rainfall days in October:
13.6 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
10.3 days
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).
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").
Average snowfall days
Riverside, PA
- Average snowfall days in January:
9.9 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
5.5 days - Average snowfall days in April:
0.8 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:
0.1 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
6.1 days
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).
Average daylight / Average sunshine
Riverside, PA
- Average daylight in January:
9h and 36min - 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 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - 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 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 6min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 12min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 12min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 12min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 12min
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).
Average sunshine days
Riverside, PA
- Average sunshine days in January:
15.4 days - Average sunshine days in February:
12.4 days - Average sunshine days in March:
15.7 days - Average sunshine days in April:
12.1 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
12.2 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (10.5 days).
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).
Average cloud cover
Riverside, PA
The months with the most cloud cover are January, February and December (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 34).
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).
