Climate and monthly weather forecastEffna, VA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Effna, Virginia, with an average temperature ranging between max 38.3°F (3.5°C) and min 23.9°F (-4.5°C). January, marked by an average high-temperature of 38.3°F (3.5°C) and a low-temperature of 23.9°F (-4.5°C), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a chilly month in Effna, Virginia, with an average temperature varying between 43.2°F (6.2°C) and 26.8°F (-2.9°C). February's arrival shows an average high-temperature of a chilly 43.2°F (6.2°C), hardly different from the previous month. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Effna, Virginia, with an average temperature fluctuating between 51.1°F (10.6°C) and 33.4°F (0.8°C). With the onset of March, Effna's weather sees a minor temperature rise, transitioning from a chilly 43.2°F (6.2°C) in February to a cool 51.1°F (10.6°C). Weather in March »Weather in April
April is a refreshing spring month in Effna, Virginia, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 62.2°F (16.8°C). Effna sees a rise in temperature during April, with average high-temperatures transitioning from a fresh 51.1°F (10.6°C) in March to an enjoyable 62.2°F (16.8°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Effna, Virginia, with an average temperature varying between 71.2°F (21.8°C) and 50.5°F (10.3°C). The onset of May brings a rise in the average high-temperature, elevating from a comfortable 62.2°F (16.8°C) in April to a pleasant 71.2°F (21.8°C). Weather in May »Weather in June
June, the first month of the summer in Effna, is a moderately hot month, with an average temperature fluctuating between 78.4°F (25.8°C) and 55.9°F (13.3°C). June sees a marginal temperature increase, moving from a pleasant 71.2°F (21.8°C) in May to a moderately hot 78.4°F (25.8°C). Weather in June »Weather in July
July, like June, in Effna, Virginia, is another warm summer month, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 59.5°F (15.3°C). Effna's warmest temperatures are experienced in July, with average high temperatures of 81.3°F (27.4°C) and lows of 59.5°F (15.3°C). July's heat index is appraised at a tropical 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Effna, Virginia, with an average temperature varying between 80.6°F (27°C) and 57.6°F (14.2°C). July's transformation into August witnesses an average high-temperature of a still moderately hot 80.6°F (27°C), noting a minor change from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Effna, Virginia, with an average temperature varying between 74.8°F (23.8°C) and 52.9°F (11.6°C). In Effna, the average high-temperature in September slightly decreases from 80.6°F (27°C) in August to a still warm 74.8°F (23.8°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Effna, Virginia, with an average temperature ranging between max 63.1°F (17.3°C) and min 43.3°F (6.3°C). The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from a warm 74.8°F (23.8°C) in September to a refreshing 63.1°F (17.3°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Effna, Virginia, with an average temperature ranging between max 51.6°F (10.9°C) and min 33.3°F (0.7°C). Onset of November witnesses a reduction in the average high-temperature, falling from an enjoyable 63.1°F (17.3°C) in October to a fresh 51.6°F (10.9°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Effna, Virginia, with an average temperature varying between 30°F (-1.1°C) and 43.7°F (6.5°C). Effna's December weather features a light decline in high-temperatures, reducing from a fresh 51.6°F (10.9°C) in November to a frosty 43.7°F (6.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Effna, VA
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (38.3°F).
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure
Effna, VA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
30.03"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.07"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 (29.99"Hg).
Average wind speed
Effna, VA
- Average wind speed in January:
8mph - Average wind speed in February:
8mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.7mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.3mph - Average wind speed in September:
4.7mph - Average wind speed in October:
6mph - Average wind speed in November:
6.3mph - Average wind speed in December:
7.2mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity
Effna, VA
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (76%).
Average rainfall
Effna, VA
- Average rainfall in January:
2.01" - Average rainfall in February:
3.03" - Average rainfall in March:
2.01" - Average rainfall in April:
2.8" - Average rainfall in May:
3.31" - Average rainfall in June:
2.52"
- Average rainfall in July:
2.64" - Average rainfall in August:
2.24" - Average rainfall in September:
1.54" - Average rainfall in October:
2.32" - Average rainfall in November:
2.05" - Average rainfall in December:
2.4"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days
Effna, VA
- Average rainfall days in January:
10 days - Average rainfall days in February:
10.7 days - Average rainfall days in March:
13.7 days - Average rainfall days in April:
16.6 days - Average rainfall days in May:
21.2 days - Average rainfall days in June:
18.4 days
- Average rainfall days in July:
20.6 days - Average rainfall days in August:
18.1 days - Average rainfall days in September:
16.1 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
10.9 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is January (10 days).
Average snowfall
Effna, VA
- Average snowfall in January:
5.98" - Average snowfall in February:
5.75" - Average snowfall in March:
4.45" - Average snowfall in April:
1.57" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is December (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Effna, VA
- Average snowfall days in January:
12.2 days - Average snowfall days in February:
11.9 days - Average snowfall days in March:
7.4 days - Average snowfall days in April:
2.1 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:
2.1 days - Average snowfall days in November:
4.7 days - Average snowfall days in December:
9.5 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Effna, VA
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - 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:
4h and 36min - Average sunshine in February:
5h and 18min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 24min - Average sunshine in May:
9h and 12min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Effna, VA
- Average sunshine days in January:
12.2 days - Average sunshine days in February:
9.8 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
11 days - Average sunshine days in May:
7.1 days - Average sunshine days in June:
8.5 days
- Average sunshine days in July:
8.2 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
10.7 days - Average sunshine days in October:
15.3 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
13.9 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (7.1 days).
Average UV index
Effna, VA
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, November and December (UV index 2).
Average cloud cover
Effna, VA
The months with the most cloud cover are January and February (Cloud cover 57).
The months with the least cloud cover are June, July and August (Cloud cover 38).
Average visibility
Effna, VA
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).





