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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is an icy winter month in Rossmore, West Virginia, with an average temperature ranging between min 26.1°F (-3.3°C) and max 39.7°F (4.3°C). January, with its high-temperature average of 39.7°F (4.3°C) and a low-temperature average of 26.1°F (-3.3°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Rossmore, West Virginia, with an average temperature ranging between min 29.7°F (-1.3°C) and max 44.2°F (6.8°C). On the advent of February, Rossmore's average high-temperature exhibits a minor adjustment to a frosty 44.2°F (6.8°C) from January's 39.7°F (4.3°C). Weather in February »
Weather in March
March, the first month of the spring in Rossmore, is a cool month, with an average temperature ranging between min 36.7°F (2.6°C) and max 53.4°F (11.9°C). The start of March is characterized by an increase in the average high-temperature, transitioning from a frosty 44.2°F (6.8°C) in February to a fresh 53.4°F (11.9°C). Weather in March »
Weather in April
April is an enjoyable spring month in Rossmore, West Virginia, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 65.5°F (18.6°C). In Rossmore, the average high-temperature in April rises, from a cool 53.4°F (11.9°C) in March, to an enjoyable 65.5°F (18.6°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Rossmore, West Virginia, with an average temperature ranging between max 75.2°F (24°C) and min 53.6°F (12°C). May's arrival signals a temperature shift, moving from a refreshing 65.5°F (18.6°C) in April to a warm 75.2°F (24°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Rossmore, West Virginia, with an average temperature ranging between min 59°F (15°C) and max 82.4°F (28°C). With the onset of June, Rossmore experiences a subtle temperature shift, with the average high-temperature moving from 75.2°F (24°C) in May to a still warm 82.4°F (28°C). Weather in June »
Weather in July
July, like June, in Rossmore, West Virginia, is another warm summer month, with an average temperature ranging between max 85.8°F (29.9°C) and min 62.4°F (16.9°C). Rossmore's warmest weather arrives in July, when temperatures average a high of 85.8°F (29.9°C) and a low of 62.4°F (16.9°C). For most parts of July, the heat index is computed to be a torrid 96.8°F (36°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Rossmore, West Virginia, with an average temperature fluctuating between 84.7°F (29.3°C) and 60.6°F (15.9°C). Rossmore's weather in August, with an average high-temperature of a still moderately hot 84.7°F (29.3°C), subtly shifts from July's 85.8°F (29.9°C). Weather in August »
Weather in September
September, the first month of the autumn in Rossmore, is also a moderately hot month, with an average temperature fluctuating between 78.1°F (25.6°C) and 56.3°F (13.5°C). September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's warm 84.7°F (29.3°C) to a still moderately hot 78.1°F (25.6°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Rossmore, West Virginia, with temperature in the range of an average low of 46.8°F (8.2°C) and an average high of 65.5°F (18.6°C). During the transition into October, Rossmore observes a decrease in the average high-temperature, falling from a moderately hot 78.1°F (25.6°C) in September to a refreshing 65.5°F (18.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Rossmore, West Virginia, with an average temperature ranging between max 53.2°F (11.8°C) and min 36.9°F (2.7°C). A decrease in the average high-temperature is observed during November, shifting from a comfortable 65.5°F (18.6°C) in October to a cool 53.2°F (11.8°C). Weather in November »
Weather in December
December, the first month of the winter in Rossmore, is still a chilly month, with an average temperature varying between 45°F (7.2°C) and 32.7°F (0.4°C). The commencement of December indicates a gentle shift in the average high-temperature, receding from November's cool 53.2°F (11.8°C) to a frosty 45°F (7.2°C). Weather in December »
Updated: Jul 18, 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
What time of the year is the coldest?
In Rossmore, January is the month with the lowest recorded average temperatures, measuring a high of 39.7°F (4.3°C) and a low of 26.1°F (-3.3°C).
How many days does it rain?
Throughout the year, there are 181.3 rainfall days, and 34.37" (873mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 11.6 days and typically aggregates up to 4.53" (115mm) of snow.
How many days does it snow?
Throughout the year, in Rossmore, there are 38.9 snowfall days, and 17.48" (444mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year in Rossmore, with an average of 3.8h of sunshine.
When is the lowest UV index?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
The most humid month is February, with an average relative humidity of 82%.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Rossmore, 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 least humid month?
April, June through August and November, with an average relative humidity of 76%, are the least humid months.
What is the rainiest month?
The month with the most rainfall is May, when the rain falls for 20.2 days and typically aggregates up to 3.74" (95mm) of precipitation.
When is the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When it does not snow?
In Rossmore, snow does not fall in June through September.
When are the longest days?
With an average of 14h and 42min of daylight, June has the longest days of the year.
What month is the hottest?
July, noted for its average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 62.4°F (16.9°C), is considered the warmest month.
What month has the most sunshine?
August has the most sunshine of the year, with an average of 10.2h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 1.85" (47mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 36min of daylight.
Average temperature
Rossmore, WV
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (39.7°F).
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure
Rossmore, WV
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
30"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.02"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Rossmore, WV
- Average wind speed in January:
6.5mph - Average wind speed in February:
6.5mph - Average wind speed in March:
6.3mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.5mph - Average wind speed in June:
4.9mph
- Average wind speed in July:
4.4mph - Average wind speed in August:
4mph - Average wind speed in September:
4.2mph - Average wind speed in October:
4.9mph - Average wind speed in November:
5.4mph - Average wind speed in December:
6mph
The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity
Rossmore, WV
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (76%).
Average rainfall
Rossmore, WV
- Average rainfall in January:
2.72" - Average rainfall in February:
3.5" - Average rainfall in March:
3.19" - Average rainfall in April:
3.03" - Average rainfall in May:
3.74" - Average rainfall in June:
3.27"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.05" - Average rainfall in September:
1.85" - Average rainfall in October:
2.8" - Average rainfall in November:
2.24" - Average rainfall in December:
3.23"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days
Rossmore, WV
- Average rainfall days in January:
12.4 days - Average rainfall days in February:
12.8 days - Average rainfall days in March:
16.8 days - Average rainfall days in April:
18.1 days - Average rainfall days in May:
20.2 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
15.7 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
10.8 days - Average rainfall days in December:
13.7 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is November (10.8 days).
Average snowfall
Rossmore, WV
- Average snowfall in January:
4.53" - Average snowfall in February:
4.29" - Average snowfall in March:
2.52" - Average snowfall in April:
0.24" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Rossmore, WV
- Average snowfall days in January:
11.6 days - Average snowfall days in February:
9.9 days - Average snowfall days in March:
5.7 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:
0.5 days - Average snowfall days in November:
2.6 days - Average snowfall days in December:
7.6 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rossmore, WV
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 0min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Rossmore, WV
- Average sunshine days in January:
10.4 days - Average sunshine days in February:
8.8 days - Average sunshine days in March:
10.3 days - Average sunshine days in April:
10.6 days - Average sunshine days in May:
9.7 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
13.6 days - Average sunshine days in October:
17 days - Average sunshine days in November:
17 days - Average sunshine days in December:
11.5 days
The months with the most sunshine days are October and November (17 days).
The month with the least sunshine days is February (8.8 days).
Average UV index
Rossmore, WV
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 and December (UV index 2).
Average cloud cover
Rossmore, WV
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Rossmore, WV
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Rossmore, West Virginia, USA
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