Climate and monthly weather forecastCass, WV
Climate and monthly weather forecast
The climate of Cass
Cass, situated in West Virginia, USA, exhibits a temperate oceanic climate (Cfb) according to the Köppen climate classification. This climatic zone is distinguished by mild summers and cool winters, reflecting the influence of the marine west coast.Throughout the year, temperatures fluctuate noticeably from a low of 18.3°F (-7.6°C) in January to a peak of 75.9°F (24.4°C) in July. Humidity levels stay relatively stable in the 80-87% range, contributing to the cool and moist conditions characteristic of this climate zone.
Significant precipitation characterizes Cass's climate, with rainfall amounts varying between 1.5" (38mm) in September and 2.72" (69mm) in May. Moreover, the number of rainfall days per month would oscillate from 6.7 days in February to as high as 20.1 days in May. Snowfall is also a common phenomenon, with most occurring between December to March, averaging from 5.28" (134mm) to 7.64" (194mm).
Sunshine hours range from a low of 3.5 hours per day in January to a high of 9.2 hours in June, illuminating the balance between the cloud cover that defines most of the year and the clear, bright days of summer. Complementing these changing conditions, the wind speed varies from a gentle 4.2mph (6.8km/h) in August to a brisk 8.6mph (13.8km/h) in February.
The best time to visit Cass
Those planning a visit to Cass should consider the period between late spring and early fall. May to September offers the most favorable weather conditions. During this interval, the average temperature ranges from 65.1°F (18.4°C) to 74.7°F (23.7°C). June is particularly notable, boasting an average daily sunshine of 9.2 hours, making it the sunniest month of the year. Humidity levels are at their lowest in June as well, offering more comfort to visitors.The worst time to visit Cass
The least hospitable months in Cass, in terms of weather conditions, occur during the winter. The period from December to February is characterized by chilly temperatures that typically fall below freezing, often falling to 18.3°F (-7.6°C). These months also bring considerable snowfall, ranging from 5.63" (143mm) to 7.64" (194mm) per month. Combine this with a relatively low amount of daily sunshine, shortest daylight hours in the year, and poor visibility; it makes it unfavorable for visitors.Spring weather in Cass
The arrival of spring introduces a phase of gradual warming in Cass. March begins with chilly conditions, with an average temperature ranging from 28.8°F (-1.8°C) to 43.9°F (6.6°C). However, by May, the region warms significantly, offering a delightful temperature span between 46.9°F (8.3°C) to 65.1°F (18.4°C). Rainfall reaches its peak in May at 2.72" (69mm), making it the wettest month of the year.Summer weather in Cass
Summers in Cass are generally mild and enjoyable. The months of June to August offer average high temperatures varying between 72.7°F (22.6°C) to 75.9°F (24.4°C), and low temperatures ranging from 52.3°F (11.3°C) to 55.8°F (13.2°C). The moderate weather conditions, coupled with the longest daylight hours (up to 14.8 hours) and an optimal sunshine duration of around 8.9-9.2 hours per day, make this season perfect for outdoor activities.Autumn weather in Cass
The autumn months in Cass witness a sharp drop in temperatures, transitioning from the warmth of summer to the chill of winter. The average daytime temperature fluctuates between 69.4°F (20.8°C) in September and 45.7°F (7.6°C) in November. Rainfall is relatively even, with values hovering around 1.5" (38mm) to 1.89" (48mm), while the average daylight hours reduce noticeably from 12.4 hours in September to 10.1 in November.Winter weather in Cass
The winter season is markedly cold in Cass, with average low temperatures dropping to 18.3°F (-7.6°C) in January. The high temperatures do not rise much either, averaging around 31.6°F (-0.2°C) to 37.6°F (3.1°C) between December and February. These cold conditions are well complemented by significant snowfall, amounting to approximately 5.98" (152mm) to 7.64" (194mm) per month, which adds to the chilly ambiance. The average daylight hours are the shortest during this period, averaging around 9.5 hours to 10.1 hours, while the sunshine hours dwindle to their yearly lowest of around 3.5 to 3.8 hours per day in December and January.Weather in January
Cass, West Virginia, starts the year with a winter wonderland, presenting a fresh, icy chill that blankets the city. January offers the coldest month in Cass, the temperature plunges as low as 18.3°F (-7.6°C), and struggles to rise above the freezing point with a monthly high averaging 31.6°F (-0.2°C). Weather in January »Weather in February
As February arrives, the weather changes subtly, with the city's temperature profile showing slight increases from the previous month. An important feature of February’s weather is the decrease in snowfall by almost 2" (51mm) from 7.64" (194mm) in January, although the city remains mainly blanketed in snow. Weather in February »Weather in March
March signifies the transition from winter to spring, bringing with it a noticeable shift in weather patterns. The most noteworthy change is the marked increase in temperature, the city warms from highs of 36.3°F (2.4°C) in February to 43.9°F (6.6°C). Weather in March »Weather in April
April ushers in the true essence of spring, providing a noticeable warming trend within Cass. The month witnesses the highest increase in rainfall within the year, from 1.85" (47mm) in March to 2.52" (64mm), indicating April showers are in full swing. Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Cass, West Virginia, with an average temperature ranging between max 65.1°F (18.4°C) and min 46.9°F (8.3°C). The transition to May introduces an increase in the average high-temperature, shifting from a mild 55.8°F (13.2°C) in April to a still refreshing 65.1°F (18.4°C). Weather in May »Weather in June
In June, the townsfolk of Cass enjoy the height of summer. Average temperatures reach their peak, rising to a high of 72.7°F (22.6°C), offering plenty of opportunities for summer activities. The warm weather is accompanied by lowered rainfall, suggesting a dry, sunny season. Weather in June »Weather in July
July perpetuates the warm trend of summer, with Cass showing its peak temperature for the year at 75.9°F (24.4°C). Interestingly, Cass experiences a slight increase in rainfall from 1.89" (48mm) in June to 2.32" (59mm). Despite the heat, July does not compromise on the city's pleasant humidity levels, maintaining a comfortable atmosphere. Weather in July »Weather in August
As August rolls in, Cass designs a near perfect replica of July's weather resume, but with slightly lower temperatures. Though August shares similar rainfall levels with July, the city sees a slight relief from the peak summer heat. Weather in August »Weather in September
September marks the shift from summer to fall, introducing milder temperatures to Cass. The most outstanding change is the reduction of the city’s temperature from the high 74.7°F (23.7°C) in August to a more agreeable 69.4°F (20.8°C). Weather in September »Weather in October
October brings a resounding declaration of fall to Cass, presenting the city's residents with a noticeably cooler climate. The most remarkable characteristic of October’s weather pattern is the decrease in average temperatures by nearly 10 degrees from September. Weather in October »Weather in November
November ushers in the early onset of winter in Cass, with temperatures dipping further, foreshadowing the arrival of December's chill. The prominent feature for November is the significant dip in temperature, averaging a high of 45.7°F (7.6°C), a drastic change from the previous months. Weather in November »Weather in December
Engulfed in the throes of winter, December in Cass exhibits a drastic change in climate. The month reaches its pinnacle of cold temperatures, diving to lows of 25.7°F (-3.5°C), and setting the stage for the entry of a new year. Weather in December »Updated: Feb 14, 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
Cass, West Virginia, witnesses the coldest weather in January, with temperatures averaging a high of 31.6°F (-0.2°C) and a low of 18.3°F (-7.6°C).
In Cass, West Virginia, during the entire year, the rain falls for 153.4 days and collects up to 23.23" (590mm) of precipitation.
January through May, October through December are months with snowfall in Cass, West Virginia.
The month with the most snowfall in Cass is January, when snow falls for 18.4 days and typically aggregates up to 7.64" (194mm) of snow.
Throughout the year, in Cass, West Virginia, there are 80.8 snowfall days, and 36.5" (927mm) of snow is accumulated.
January has the least sunshine of the year in Cass, with an average of 3.5h of sunshine.
The most humid month in Cass is February, with an average relative humidity of 87%.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Cass, West Virginia, 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.
The month with the most rainfall is May, when the rain falls for 20.1 days and typically aggregates up to 2.72" (69mm) of precipitation.
June is the least humid month in Cass, with an average relative humidity of 80%.
In Cass, West Virginia, snow does not fall in June through September.
With an average of 14h and 48min of daylight, June has the longest days of the year.
The month with the most sunshine in Cass is June, with an average of 9.2h of sunshine.
The months with the highest UV index in Cass are June through August, with an average maximum UV index of 5.
July is the month when Cass sees the average highest temperatures, with a high of 75.9°F (24.4°C) and a low of 55.8°F (13.2°C).
The month with the least rainfall is November, when the rain falls for 7.6 days and typically collects 1.3" (33mm) of precipitation.
With an average of 9h and 30min of daylight, December has the shortest days of the year.
December is the month with the lowest UV index in Cass, West Virginia, with an average maximum UV index of 1.
Average temperature
Cass, WV
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (31.6°F).
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure
Cass, WV
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Cass, WV
- Average wind speed in January:
8.5mph - Average wind speed in February:
8.6mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.2mph - Average wind speed in September:
4.6mph - Average wind speed in October:
6mph - Average wind speed in November:
6.7mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity
Cass, WV
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (80%).
Average rainfall
Cass, WV
- Average rainfall in January:
1.65" - Average rainfall in February:
1.57" - Average rainfall in March:
1.85" - Average rainfall in April:
2.52" - Average rainfall in May:
2.72" - Average rainfall in June:
1.89"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days
Cass, WV
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
20.1 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
16.5 days - Average rainfall days in September:
14.6 days - Average rainfall days in October:
11.2 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (6.7 days).
Average snowfall
Cass, WV
- Average snowfall in January:
7.64" - Average snowfall in February:
5.98" - Average snowfall in March:
6.42" - Average snowfall in April:
2.24" - Average snowfall in May:
1.46" - Average snowfall in June:
0"
The month with the highest snowfall is January (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Cass, WV
- Average snowfall days in January:
18.4 days - Average snowfall days in February:
14.6 days - Average snowfall days in March:
11.7 days - Average snowfall days in April:
5.5 days - Average snowfall days in May:
1.3 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:
4.2 days - Average snowfall days in November:
10.3 days - Average snowfall days in December:
14.8 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Cass, WV
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 18min - Average sunshine in April:
7h and 30min - Average sunshine in May:
7h and 42min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
8h and 54min - Average sunshine in August:
9h and 6min - Average sunshine in September:
7h and 30min - Average sunshine in October:
5h and 6min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 48min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Cass, WV
- Average sunshine days in January:
8.6 days - Average sunshine days in February:
9.8 days - Average sunshine days in March:
10.1 days - Average sunshine days in April:
10 days - Average sunshine days in May:
7.7 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
11.2 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
11.7 days - Average sunshine days in October:
14.6 days - Average sunshine days in November:
14.4 days - Average sunshine days in December:
10.2 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (7.7 days).
Average UV index
Cass, WV
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Cass, WV
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are June, July and August (Cloud cover 47).
Average visibility
Cass, WV
The months with the highest visibility are April and November (5mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (4mi).
