Climate and monthly weather forecastRocky River, OH
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Rocky River, Ohio, with temperature in the range of an average low of 21.9°F (-5.6°C) and an average high of 31.5°F (-0.3°C). Rocky River's January weather reaches an average high of 31.5°F (-0.3°C) and an average low of 21.9°F (-5.6°C), making it the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a wintry month in Rocky River, Ohio, with an average temperature ranging between max 33.4°F (0.8°C) and min 23.2°F (-4.9°C). The average high-temperature in February, at a cold 33.4°F (0.8°C), reveals a modest deviation from January's 31.5°F (-0.3°C). Weather in February »Weather in March
March, the first month of the spring in Rocky River, is also a wintry month, with an average temperature ranging between max 41.5°F (5.3°C) and min 30.2°F (-1°C). A slight uplift in the average high-temperature marks March, adjusting from February's wintry 33.4°F (0.8°C) to a still icy 41.5°F (5.3°C). Weather in March »Weather in April
April in Rocky River, Ohio, is a cool spring month, with an average temperature ranging between max 51.6°F (10.9°C) and min 39.9°F (4.4°C). April's onset witnesses a shift in the average high-temperature, moving from a wintry 41.5°F (5.3°C) in March to a cool 51.6°F (10.9°C). Weather in April »Weather in May
May, the last month of the spring in Rocky River, is a refreshing month, with an average temperature ranging between max 63.1°F (17.3°C) and min 50.7°F (10.4°C). May brings a rise in Rocky River's average high-temperature, moving from a fresh 51.6°F (10.9°C) in April to a comfortable 63.1°F (17.3°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Rocky River, Ohio, with temperature in the range of an average low of 59.7°F (15.4°C) and an average high of 72°F (22.2°C). Rocky River's transition into June is marked by a minor temperature shift, moving from a comfortable 63.1°F (17.3°C) in May to a pleasant 72°F (22.2°C). Weather in June »Weather in July
July in Rocky River, Ohio, is a warm summer month, with an average temperature ranging between min 65.8°F (18.8°C) and max 77.9°F (25.5°C). In Rocky River, Ohio, July records the highest average temperatures, peaking at 77.9°F (25.5°C) and reaching a low of 65.8°F (18.8°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Rocky River, Ohio, with an average temperature ranging between max 77.4°F (25.2°C) and min 65.7°F (18.7°C). Rocky River commences August with an average high-temperature of a still warm 77.4°F (25.2°C), maintaining a close resemblance to the previous month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Rocky River, Ohio, with an average temperature ranging between min 59.9°F (15.5°C) and max 71.6°F (22°C). A subtle shift in Rocky River's weather is observed as August turns into September, with the average high temperature reducing from a warm 77.4°F (25.2°C) to a pleasant 71.6°F (22°C). Weather in September »Weather in October
October, the same as September, in Rocky River, Ohio, is another refreshing autumn month, with an average temperature fluctuating between 59.9°F (15.5°C) and 49.8°F (9.9°C). The onset of October entails a temperature shift, as the average high-temperature decreases from a pleasant 71.6°F (22°C) in September to a mild 59.9°F (15.5°C). Weather in October »Weather in November
November, the last month of the autumn in Rocky River, is also a frosty month, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 47.3°F (8.5°C). November weather is marked by a drop in the average high-temperature, falling from a mild 59.9°F (15.5°C) in October to a frosty 47.3°F (8.5°C). Weather in November »Weather in December
December, the first month of the winter in Rocky River, is also a wintry month, with temperature in the range of an average low of 30.2°F (-1°C) and an average high of 37.9°F (3.3°C). Rocky River's average high-temperature decreases in December, falling from a frosty 47.3°F (8.5°C) in November to an icy 37.9°F (3.3°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Rocky River, OH
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (31.5°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure
Rocky River, OH
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Rocky River, OH
- Average wind speed in January:
11.6mph - Average wind speed in February:
10.4mph - Average wind speed in March:
9.8mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
7mph - Average wind speed in August:
7.5mph - Average wind speed in September:
8.3mph - Average wind speed in October:
10.6mph - Average wind speed in November:
11.3mph - Average wind speed in December:
11.3mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity
Rocky River, OH
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (74%).
Average rainfall
Rocky River, OH
- Average rainfall in January:
2.32" - Average rainfall in February:
2.17" - Average rainfall in March:
2.56" - Average rainfall in April:
3.07" - Average rainfall in May:
3.46" - Average rainfall in June:
3.62"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is February (2.17").
Average rainfall days
Rocky River, OH
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
8.9 days - Average rainfall days in March:
13 days - Average rainfall days in April:
17.3 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
17.2 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
17.2 days - Average rainfall days in September:
15.3 days - Average rainfall days in October:
17.2 days - Average rainfall days in November:
13.6 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is April (17.3 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Rocky River, OH
The month with the highest snowfall is February (4.84").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Rocky River, OH
- Average snowfall days in January:
16.1 days - Average snowfall days in February:
13.6 days - Average snowfall days in March:
9 days - Average snowfall days in April:
2.8 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:
5.6 days - Average snowfall days in December:
12.5 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Rocky River, OH
The best month for swimming (with the highest average sea temperature) is August (76.3°F).
The coldest month (with the lowest average sea temperature) is February (33.2°F).
Average daylight / Average sunshine
Rocky River, OH
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - 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 12min
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 12min).
- Average sunshine in January:
2h and 42min - Average sunshine in February:
3h and 36min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 24min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 18min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 30min - Average sunshine in December:
3h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days
Rocky River, OH
- Average sunshine days in January:
7.8 days - Average sunshine days in February:
7.3 days - Average sunshine days in March:
10 days - Average sunshine days in April:
10.1 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
11.7 days - Average sunshine days in September:
11.9 days - Average sunshine days in October:
12 days - Average sunshine days in November:
11.3 days - Average sunshine days in December:
8.8 days
The month with the most sunshine days is October (12 days).
The month with the least sunshine days is February (7.3 days).
Average UV index
Rocky River, OH
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover
Rocky River, OH
The month with the most cloud cover is January (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility
Rocky River, 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).





