Climate and monthly weather forecastCastleton, VA
Climate and monthly weather forecast
Weather in January
January, like December, in Castleton, Virginia, is another cold winter month, with an average temperature ranging between max 41.4°F (5.2°C) and min 26.1°F (-3.3°C). January, on average, is the coldest month, registering a high temperature of 41.4°F (5.2°C) and a low of 26.1°F (-3.3°C). Weather in January »Weather in February
The last month of the winter, February, is a chilly month in Castleton, Virginia, with an average temperature ranging between min 28.8°F (-1.8°C) and max 46°F (7.8°C). The advent of February observes an average high-temperature of a chilly 46°F (7.8°C), nearly identical to January's 41.4°F (5.2°C). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Castleton, Virginia, with an average temperature fluctuating between 53.8°F (12.1°C) and 35.2°F (1.8°C). Castleton's March weather indicates a minor increase in high-temperatures, edging from February's frosty 46°F (7.8°C) to a cool 53.8°F (12.1°C). Weather in March »Weather in April
April in Castleton, Virginia, is an enjoyable spring month, with an average temperature varying between 45.1°F (7.3°C) and 65.5°F (18.6°C). Castleton in April experiences an increase in the average high-temperature, moving from March's fresh 53.8°F (12.1°C) 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 Castleton, Virginia, with an average temperature fluctuating between 54.7°F (12.6°C) and 75.2°F (24°C). May's arrival brings a temperature shift, moving from an enjoyable 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 also a moderately hot month in Castleton, Virginia, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 83.3°F (28.5°C). Castleton's weather shows a minor temperature rise with the arrival of June, moving from 75.2°F (24°C) in May to a still moderately hot 83.3°F (28.5°C). Weather in June »Weather in July
July in Castleton, Virginia, is a hot summer month, with temperature in the range of an average high of 87.6°F (30.9°C) and an average low of 65.5°F (18.6°C). July is the month when Castleton sees the highest average temperatures, with a high of 87.6°F (30.9°C) and a low of 65.5°F (18.6°C). For most parts of July, the heat index is computed to be a fiery hot 100.4°F (38°C). Weather in July »Weather in August
August, the last month of the summer in Castleton, is another warm month, with an average temperature fluctuating between 64.6°F (18.1°C) and 85.5°F (29.7°C). The advent of August brings an average high-temperature of a moderately hot 85.5°F (29.7°C), exhibiting minor difference from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Castleton, is still a warm month, with an average temperature fluctuating between 58.6°F (14.8°C) and 78.4°F (25.8°C). September sees a slight reduction in average high-temperature, with a shift from a moderately hot 85.5°F (29.7°C) in August to a still warm 78.4°F (25.8°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Castleton, Virginia, with an average temperature fluctuating between 48.4°F (9.1°C) and 66.6°F (19.2°C). A shift in the average high-temperature occurs in October, reducing from a warm 78.4°F (25.8°C) in September to a refreshing 66.6°F (19.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Castleton, Virginia, with an average temperature ranging between max 54.1°F (12.3°C) and min 36.9°F (2.7°C). November indicates a shift in the average high-temperature, from October's refreshing 66.6°F (19.2°C) to a fresh 54.1°F (12.3°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Castleton, Virginia, with an average temperature fluctuating between 31.8°F (-0.1°C) and 46.4°F (8°C). The onset of December is marked by a minor decrease in temperature, transitioning from a cool 54.1°F (12.3°C) in November to a chilly 46.4°F (8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Castleton, VA
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (41.4°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure
Castleton, VA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Castleton, VA
- Average wind speed in January:
6.1mph - Average wind speed in February:
6.4mph - Average wind speed in March:
6.8mph - Average wind speed in April:
6.9mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.6mph - Average wind speed in September:
5.1mph - Average wind speed in October:
5.7mph - Average wind speed in November:
5.8mph - Average wind speed in December:
5.5mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity
Castleton, VA
The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall
Castleton, VA
- Average rainfall in January:
1.54" - Average rainfall in February:
1.46" - Average rainfall in March:
2.2" - Average rainfall in April:
2.6" - Average rainfall in May:
2.68" - Average rainfall in June:
2.17"
- Average rainfall in July:
2.01" - Average rainfall in August:
2.36" - Average rainfall in September:
1.69" - Average rainfall in October:
2.2" - Average rainfall in November:
2.01" - Average rainfall in December:
2.17"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days
Castleton, VA
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
9.2 days - Average rainfall days in March:
13.1 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
16.1 days - Average rainfall days in June:
13.5 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
14.6 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
9.6 days
The month with the highest number of rainy days is May (16.1 days).
The months with the least rainy days are January and November (8.3 days).
Average snowfall
Castleton, VA
- Average snowfall in January:
2.36" - Average snowfall in February:
2.2" - Average snowfall in March:
1.97" - Average snowfall in April:
0.75" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Castleton, VA
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
2.7 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.1 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 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
2.3 days
The months with the highest number of snowfall days are January and February (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Castleton, VA
- Average daylight in January:
9h and 48min - 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 36min - 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:
5h and 24min - Average sunshine in February:
5h and 30min - Average sunshine in March:
6h and 48min - Average sunshine in April:
8h and 54min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 42min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days
Castleton, VA
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
15 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
12.5 days - Average sunshine days in June:
15 days
- Average sunshine days in July:
14.5 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
15 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (12.5 days).
Average UV index
Castleton, VA
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, November and December (UV index 2).
Average cloud cover
Castleton, VA
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Castleton, VA
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





