Climate and monthly weather forecastTriangle, VA
Climate and monthly weather forecast
Weather in January
January, like December, in Triangle, Virginia, is another cold winter month, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 41.5°F (5.3°C). January, with its high-temperature average of 41.5°F (5.3°C) and a low-temperature average of 27.5°F (-2.5°C), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Triangle, is a chilly month, with temperature in the range of an average low of 30°F (-1.1°C) and an average high of 46°F (7.8°C). On the advent of February, Triangle's average high-temperature exhibits a minor adjustment to a frosty 46°F (7.8°C) from January's 41.5°F (5.3°C). Weather in February »Weather in March
March, the first month of the spring in Triangle, is a cool month, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 54.1°F (12.3°C). As Triangle transitions into March, a marginal rise in the average high-temperature is observed, moving from a frosty 46°F (7.8°C) in February to a cool 54.1°F (12.3°C). Weather in March »Weather in April
April is a refreshing spring month in Triangle, Virginia, with an average temperature fluctuating between 46.9°F (8.3°C) and 66.2°F (19°C). The rise of average high-temperatures is seen in April, with an increase from a fresh 54.1°F (12.3°C) in March to a comfortable 66.2°F (19°C). Weather in April »Weather in May
May, the last month of the spring in Triangle, is a moderately hot month, with an average temperature varying between 75.6°F (24.2°C) and 56.3°F (13.5°C). May's onset witnesses a shift in the average high-temperature, moving from a refreshing 66.2°F (19°C) in April to a warm 75.6°F (24.2°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Triangle, Virginia, with an average temperature ranging between min 63.7°F (17.6°C) and max 83.5°F (28.6°C). June showcases a minor temperature ascent, adjusting from May's moderately hot 75.6°F (24.2°C) to a still warm 83.5°F (28.6°C). Weather in June »Weather in July
July in Triangle, Virginia, is a tropical summer month, with an average temperature ranging between min 67.8°F (19.9°C) and max 88.7°F (31.5°C). July temperatures tend to peak at an average high of 88.7°F (31.5°C) and dip to a low of 67.8°F (19.9°C). For most parts of July, the heat index is computed to be a blisteringly hot 104°F (40°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Triangle, Virginia, with an average temperature fluctuating between 66°F (18.9°C) and 86.2°F (30.1°C). As Triangle welcomes August, the average high-temperature records at a still hot 86.2°F (30.1°C), marking an insignificant deviation from the prior month. Weather in August »Weather in September
September, the first month of the autumn in Triangle, is also a moderately hot month, with an average temperature ranging between max 79.3°F (26.3°C) and min 61°F (16.1°C). September reveals a small adjustment in temperature, transitioning from an average high of a tropical 86.2°F (30.1°C) in August to a moderately hot 79.3°F (26.3°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Triangle, Virginia, with an average temperature fluctuating between 67.1°F (19.5°C) and 50.5°F (10.3°C). The arrival of October corresponds with a temperature reduction, down from September's warm 79.3°F (26.3°C) to an enjoyable 67.1°F (19.5°C). Weather in October »Weather in November
November, the last month of the autumn in Triangle, is also a fresh month, with an average temperature ranging between min 39°F (3.9°C) and max 55.2°F (12.9°C). The move into November indicates a reduction in the average high-temperature, down from October's enjoyable 67.1°F (19.5°C) to a fresh 55.2°F (12.9°C). Weather in November »Weather in December
December, the first month of the winter in Triangle, is also a frosty month, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 33.6°F (0.9°C). In the transition to December, Triangle observes a minor drop in the average high-temperature, shifting from a fresh 55.2°F (12.9°C) in November to a frosty 46.9°F (8.3°C). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Triangle, VA
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure
Triangle, 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:
29.97"Hg - Average pressure in August:
29.99"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
Triangle, VA
- Average wind speed in January:
6.7mph - Average wind speed in February:
6.9mph - Average wind speed in March:
7.1mph - Average wind speed in April:
7.1mph - Average wind speed in May:
6mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.3mph - Average wind speed in December:
6.1mph
The windiest months (with the highest average wind speed) are March and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Triangle, VA
The months with the highest relative humidity are October and December (78%).
The months with the lowest relative humidity are January, April and July (73%).
Average rainfall
Triangle, VA
- Average rainfall in January:
1.97" - Average rainfall in February:
2.17" - Average rainfall in March:
2.56" - Average rainfall in April:
2.87" - Average rainfall in May:
3.15" - Average rainfall in June:
2.72"
The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days
Triangle, VA
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
11.3 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
16 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (8.7 days).
Average snowfall
Triangle, VA
The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Triangle, VA
- Average snowfall days in January:
4.9 days - Average snowfall days in February:
3.9 days - Average snowfall days in March:
2.4 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 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
1.8 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Triangle, 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 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:
5h and 18min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 42min - Average sunshine in April:
8h and 48min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days
Triangle, VA
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
14.4 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
13.1 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
18.6 days - Average sunshine days in November:
20 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.5 days).
Average UV index
Triangle, 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
Triangle, VA
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Triangle, 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).








