Climate and monthly weather forecastAlderson, WV
Climate and monthly weather forecast
The climate of Alderson
Alderson, a town in West Virginia, USA, experiences a Cfb climate according to the Köppen climate classification, known as a Marine west coast climate with a warm summer. Due to the town's geographical position, the weather patterns exhibit strong seasonality and experience wide-ranging climatological parameters across the year.Examining the weather data, it is evident that the average high temperatures fluctuate from 36.3°F (2.4°C) in January to 81°F (27.2°C) in July. As for the average low temperatures, they range between a brisk 22.3°F (-5.4°C) in January and a milder 58.3°F (14.6°C) in July. Despite these variations, the town's humidity remains fairly stable, averaging between 78% and 84% all year round.
Rainfall levels remain consistent year-round, with the maximum and lowest levels differing by less than two inches. There are also significant variances when it comes to snow and sunlight received throughout the year. Alderson receives the highest snowfall in January with 4.92" (125mm), and no snow from May to September. Meanwhile, daylight increases from 9.9 hours in January to a peak at 14.7 hours in June, with sunshine hours following a similar trend from 3.9 to 9.9 hours.
The best time to visit Alderson
Given the town's warm summers, the best time to visit Alderson would be from May to August. During these months, temperatures range from 60.6°F (15.9°C) to 81°F (27.2°C), providing warm conditions ideal for sightseeing and outdoor activities. Sunshine hours are predominantly high, reaching up to 9.7 to 9.9 hours in June and July, thus offering more than ample daylight to explore.It is worth noting that while July appears to be the warmest month, it also experiences an average relative humidity of 79%, which some might find slightly uncomfortable.
The worst time to visit Alderson
The cold temperatures and high precipitation levels make January and February less preferable for a visit. Average high and low temperatures during these months remain below freezing, with 22.3°F (-5.4°C) to 25.2°F (-3.8°C) degrees as the lowest and 36.3°F (2.4°C) to 40.6°F (4.8°C) degrees as the average highs. The town also receives the most snowfall in these months, with 4.92" (125mm) in January and 5.43" (138mm) in February.Spring weather in Alderson
As the town transitions from winter to spring, significant changes occur in its weather. The temperatures rise steadily from an average high of 48.6°F (9.2°C) in March to 60.6°F (15.9°C) in April. The number of rainfall days increases during this period from 16.1 days to 17.5 days, with rainfall amounts ranging from 2.83" (72mm) to 3.27" (83mm).Summer weather in Alderson
Summertime in Alderson is typically warm, with temperature averages firmly lodged between 70°F (21.1°C) and 81°F (27.2°C). Although June comes with approximately 2.72" (69mm) of rain, the rainfall frequency reduces to 17.3 days, leading to many warm, dry spells.Autumn weather in Alderson
Autumn in Alderson witnesses a decline in temperature averages from 73.4°F (23°C) in September to 50.4°F (10.2°C) in November. Rainfall also slightly increases during these months from 1.81" (46mm) to 2.4" (61mm). Despite this rise in precipitation, Alderson experiences fewer rainfall days, making it a relatively dry period on an annual scale.Winter weather in Alderson
Winter in Alderson is characterized by cold temperatures and snowfall. Average high temperatures drop down dramatically to 36.3°F (2.4°C) in January, with the average low reaching 22.3°F (-5.4°C). This period also brings with it a marked increase in snowfall, peaking at 4.92" (125mm) in January, making it the snowiest month of the year.Weather in January
January in Alderson, West Virginia, features typically cold winter conditions with a relatively low average visibility of only 4 miles. Compared to the preceding month of December, there is a slight decrease in both high and low temperatures with highs averaging 36.3°F (2.4°C) and lows around 22.3°F (-5.4°C). Weather in January »Weather in February
February continues the trend of cool weather that characterizes the initial part of the year in Alderson. Despite the slight increase in temperature from January, February is still among the coldest months of the year, with daytime highs only reaching an average of 40.6°F (4.8°C). Weather in February »Weather in March
March marks the advent of spring in Alderson, West Virginia and also the beginning of warmer weather. Temperature highs see a sizable leap from February, averaging around 48.6°F (9.2°C), suggesting the trend of increasing warmth that continues into late spring. Weather in March »Weather in April
The vibrant month of April in Alderson, West Virginia sees a transition into more pleasant weather conditions. April’s weather is noticeably warmer compared to March, with highs soaring to an average of 60.6°F (15.9°C), providing a great opportunity for outdoor activities. Weather in April »Weather in May
May in Alderson, West Virginia, brings the beautiful bloom of spring to its peak and opens the doors to the summer season. This month sees a significant jump in temperatures with daily highs averaging at 70°F (21.1°C). Clear days are more apparent in May as the city sees the highest UV index of 5. Weather in May »Weather in June
The weather in June in Alderson, West Virginia, embodies the essence of a classic summer month. June is warmer than May, with the highest temperature averaging at 77.5°F (25.3°C). Undeniably favored by excellent visibility, June makes for an outstanding month for outdoor adventures. Weather in June »Weather in July
July sees the mid-summer point in Alderson, West Virginia, marking its spot as the hottest month of the year. Typically, July reaches temperature highs of approximately 81°F (27.2°C). The rise in temperature plays a role in the decrease of relative humidity, which falls to 79%. Weather in July »Weather in August
August in Alderson, West Virginia, continues the summer season, with weather characteristics fairly similar to those experienced in July. Daily high temperatures may go up to 79.9°F (26.6°C), which is a small decline from the peak summer temperatures in July. Weather in August »Weather in September
September in Alderson, West Virginia, marks the beginning of autumn. The weather during this month cools down noticeably from the summer highs with daily average high temperatures decreasing to around 73.4°F (23°C). Despite the slight decrease in temperature, it is still a comfortable and vibrant time of year to experience Alderson. Weather in September »Weather in October
October in Alderson, West Virginia, brings a significant change in weather from September, with a drop in temperature highs to an average of 61.9°F (16.6°C). This shift in temperature marks the full onset of autumn. Fewer daylight hours, roughly 11.2, and a drop in UV index to 3, characterize the changing season. Weather in October »Weather in November
The month of November hosts a transition from fall to winter in Alderson, West Virginia. Compared to October, November experiences a decline in average high temperatures down to a chillier 50.4°F (10.2°C). While the daylight hours decrease to about 10.2, the cloud percentage creeps higher to 45%, indicating the encroaching winter. Weather in November »Weather in December
December in Alderson, West Virginia, marks the arrival of winter. This month sees a considerable decrease in the average high temperature to 41.9°F (5.5°C), from November. Winter solstice towards the end of December results in shorter daylight hours, dropping to approximately 9.6 hours. Weather in December »Updated: Jul 17, 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
The coldest time of the year is January, with temperatures averaging a high of 36.3°F (2.4°C) and a low of 22.3°F (-5.4°C).
Throughout the year, there are 183.6 rainfall days, and 31.61" (803mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
Throughout the year, there are 44.3 snowfall days, and 20.67" (525mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 3.9h of sunshine.
The months with the lowest UV index in Alderson are January through March, November and December, with an average maximum UV index of 2.
February is the most humid month, with an average relative humidity of 84%.
February is the month with the most snowfall in Alderson. Snow falls for 10.5 days and accumulates 5.43" (138mm) of snow.
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.
The month with the most rainfall is May, when the rain falls for 22.2 days and typically aggregates up to 3.39" (86mm) of precipitation.
May through August, with an average maximum UV index of 5, are months with the highest UV index.
June is the least humid month, with an average relative humidity of 78%.
In Alderson, snow does not fall in June through September.
With an average of 14h and 42min of daylight, June has the longest days of the year.
The warmest period tends to be July, when average temperatures fluctuate between a high of 81°F (27.2°C) and a low of 58.3°F (14.6°C).
July has the most sunshine of the year, with an average of 9.9h of sunshine.
The month with the least rainfall is September, when the rain falls for 15.5 days and typically collects 1.81" (46mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 36min of daylight.
Average temperature
Alderson, WV
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (36.3°F).
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure
Alderson, WV
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"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
Alderson, WV
- Average wind speed in January:
7.3mph - Average wind speed in February:
7.3mph - Average wind speed in March:
6.8mph - Average wind speed in April:
7mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.4mph - Average wind speed in August:
4mph - Average wind speed in September:
4.4mph - Average wind speed in October:
5.3mph - Average wind speed in November:
5.7mph - Average wind speed in December:
6.5mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity
Alderson, WV
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is June (78%).
Average rainfall
Alderson, WV
- Average rainfall in January:
2.44" - Average rainfall in February:
2.99" - Average rainfall in March:
2.83" - Average rainfall in April:
3.27" - Average rainfall in May:
3.39" - Average rainfall in June:
2.72"
- Average rainfall in July:
2.64" - Average rainfall in August:
2.36" - Average rainfall in September:
1.81" - Average rainfall in October:
2.4" - Average rainfall in November:
1.93" - Average rainfall in December:
2.83"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days
Alderson, WV
- Average rainfall days in January:
11.8 days - Average rainfall days in February:
12.3 days - Average rainfall days in March:
16.1 days - Average rainfall days in April:
17.5 days - Average rainfall days in May:
22.2 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
19.5 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
15.5 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
12.6 days
The month with the highest number of rainy days is May (22.2 days).
The month with the least rainy days is November (10.2 days).
Average snowfall
Alderson, WV
- Average snowfall in January:
4.92" - Average snowfall in February:
5.43" - Average snowfall in March:
4.53" - Average snowfall in April:
0.79" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Alderson, WV
- Average snowfall days in January:
12.3 days - Average snowfall days in February:
10.5 days - Average snowfall days in March:
7 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.3 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:
0.9 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
8 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Alderson, 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 12min - Average daylight in June:
14h and 42min
- 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 36min
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 54min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 6min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Alderson, WV
- Average sunshine days in January:
9.8 days - Average sunshine days in February:
8.7 days - Average sunshine days in March:
9.4 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
7.7 days - Average sunshine days in June:
9.4 days
- Average sunshine days in July:
9.5 days - Average sunshine days in August:
11 days - Average sunshine days in September:
11.5 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
16.8 days - Average sunshine days in December:
12 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (7.7 days).
Average UV index
Alderson, WV
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Alderson, WV
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility
Alderson, WV
The months with the highest visibility are March, April, June, July, November and December (5mi).
The months with the lowest visibility are January, February, May, August, September and October (4mi).
