Climate and monthly weather forecastCullen, VA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Cullen, Virginia, is a frosty winter month, with an average temperature varying between 29.1°F (-1.6°C) and 44.6°F (7°C). Cullen's coldest temperatures are experienced in January, with average high temperatures of 44.6°F (7°C) and lows of 29.1°F (-1.6°C). Weather in January »Weather in February
February, the last month of the winter in Cullen, is another chilly month, with an average temperature fluctuating between 49.1°F (9.5°C) and 31.6°F (-0.2°C). As Cullen welcomes February, the average high-temperature stabilizes at a still chilly 49.1°F (9.5°C), showing little deviation from January's 44.6°F (7°C). Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Cullen, Virginia, with an average temperature varying between 56.7°F (13.7°C) and 38.5°F (3.6°C). March's arrival brings a modest temperature shift, moving from a chilly 49.1°F (9.5°C) in February to a mild 56.7°F (13.7°C). Weather in March »Weather in April
April is an agreeable spring month in Cullen, Virginia, with an average temperature varying between 68.5°F (20.3°C) and 48.6°F (9.2°C). The shift from March to April brings an increase in the average high-temperature, moving from a moderate 56.7°F (13.7°C) to a pleasant 68.5°F (20.3°C). Weather in April »Weather in May
May, the last month of the spring in Cullen, is a moderately hot month, with an average temperature varying between 77.5°F (25.3°C) and 57°F (13.9°C). In Cullen, the average high-temperature in May increases from a pleasant 68.5°F (20.3°C) in April to a moderately hot 77.5°F (25.3°C). Weather in May »Weather in June
June, the first month of the summer in Cullen, is still a warm month, with an average temperature ranging between max 85.3°F (29.6°C) and min 64°F (17.8°C). The shift from May to June introduces a subtle increase in the average high-temperature, moving from 77.5°F (25.3°C) to a still moderately hot 85.3°F (29.6°C). Weather in June »Weather in July
July is a tropical summer month in Cullen, Virginia, with an average temperature fluctuating between 90.1°F (32.3°C) and 68°F (20°C). The warmest temperatures occur during July, when averages reach a peak of 90.1°F (32.3°C) and a low of 68°F (20°C). The heat index in July is computed to be a scorching 105.8°F (41°C). Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Cullen, Virginia, with an average temperature ranging between min 66.6°F (19.2°C) and max 87.4°F (30.8°C). The beginning of August records an average high-temperature of a still hot 87.4°F (30.8°C), almost echoing the conditions of the previous month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Cullen, Virginia, with temperature in the range of an average high of 80.6°F (27°C) and an average low of 61.3°F (16.3°C). The start of September signals a gentle decrease in the average high-temperature, transitioning from a tropical 87.4°F (30.8°C) in August to a moderately hot 80.6°F (27°C). Weather in September »Weather in October
October, like September, is an agreeable autumn month in Cullen, Virginia, with an average temperature fluctuating between 68.9°F (20.5°C) and 50.5°F (10.3°C). The arrival of October signals a shift in temperature, down from a warm 80.6°F (27°C) in September to a pleasant 68.9°F (20.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Cullen, Virginia, with temperature in the range of an average high of 56.3°F (13.5°C) and an average low of 39.4°F (4.1°C). November suggests a modest reduction in the average high-temperature, shifting from an agreeable 68.9°F (20.5°C) in October to a moderate 56.3°F (13.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Cullen, Virginia, with an average temperature fluctuating between 49.1°F (9.5°C) and 34.7°F (1.5°C). With the arrival of December, Cullen experiences a modest decline in average high-temperatures, transitioning from a mild 56.3°F (13.5°C) in November to a chilly 49.1°F (9.5°C). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Cullen, VA
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (44.6°F).
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure
Cullen, VA
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"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:
29.96"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:
30.05"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 (29.96"Hg).
Average wind speed
Cullen, VA
- Average wind speed in January:
6.5mph - Average wind speed in February:
6.8mph - Average wind speed in March:
6.9mph - Average wind speed in April:
7.2mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.6mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6mph - Average wind speed in November:
5.9mph - Average wind speed in December:
5.8mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Cullen, VA
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (69%).
Average rainfall
Cullen, VA
- Average rainfall in January:
2.36" - Average rainfall in February:
2.76" - Average rainfall in March:
2.72" - Average rainfall in April:
2.68" - Average rainfall in May:
2.83" - Average rainfall in June:
2.36"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.72" - Average rainfall in September:
1.69" - Average rainfall in October:
2.48" - Average rainfall in November:
2.44" - Average rainfall in December:
2.64"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days
Cullen, VA
- Average rainfall days in January:
10.4 days - Average rainfall days in February:
11 days - Average rainfall days in March:
14.5 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
13.9 days
- Average rainfall days in July:
16 days - Average rainfall days in August:
15.5 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
9 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9 days).
Average snowfall
Cullen, VA
The month with the highest snowfall is March (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Cullen, VA
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
3.4 days - Average snowfall days in March:
2.2 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 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:
0.3 days - Average snowfall days in December:
1.3 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Cullen, VA
- Average daylight in January:
10h and 0min - 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 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 42min
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 42min).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
5h and 42min - Average sunshine in March:
6h and 54min - Average sunshine in April:
9h and 12min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 54min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days
Cullen, VA
- Average sunshine days in January:
18.4 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
14.7 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
14.7 days
- Average sunshine days in July:
13.2 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
18.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index
Cullen, 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 and December (UV index 2).
Average cloud cover
Cullen, VA
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Cullen, VA
The months with the highest visibility are February, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are January, May, September and December (5mi).








