Climate and monthly weather forecastViola, DE
Climate and monthly weather forecast
The climate of Viola
Viola, Delaware, with a Humid subtropical climate (Köppen Cfa classification), is known for its absence of a dry season. The climate is governed by the presence of abundant rainfall distributed throughout the year. Temperatures range from a winter low of 28.8°F (-1.8°C) in January to summer peaks reaching 84.2°F (29°C) during July.Humidity levels hover between 74% and 79%, providing a constant level of moisture in the air. As for rainfall, it shifts from a minimum of 2.13" (54mm) during January to maximum levels of 3.9" (99mm) in August. Days with rain extend from 9.5 days in January to about 18.8 days in July.
Snowfall primarily occurs in winter months, with January recording 1.93" (49mm) over 4.3 days. Daylight durations oscillate from 9.5 hours per day in December to nearly 14.9 hours in June, providing ample light for outdoor activities. Likewise, the city experiences varied sunshine levels from 5.1 hours daily in December to a high of 10.6 hours during July.
Viola's unique climate is characterized by minimal snowfall, extending over a restricted timeframe. The absence of snowfall from May through November reaffirms the dominance of the Humid subtropical climate, where high precipitation exists against the backdrop of warm temperatures.
The best time to visit Viola
Announcing the best period to visit Viola hinges on the desired activities. For those interested in pleasant warm temperatures coupled with ample sunshine, summer months offer such conditions. July flaunts temperatures as high as 84.2°F (29°C), 69.8°F (21°C) as the lowest, with 10.6 hours of sunlight daily.Exploring the city becomes more inviting as the relative humidity drops to 78%, creating more comfortable conditions. August further extends the warmth with peaks reaching 82.2°F (27.9°C), making it an ideal time to soak in the local beauty under the clear sky.
The worst time to visit Viola
While Viola exhibits a rather steady climate, January unquestionably stands out as the least favorable month for a visit. With high temperatures hitting 40.3°F (4.6°C) and plunging down to 28.8°F (-1.8°C), the bone-chilling cold may not be the most inviting aspect for travelers. Adding to this, January witnesses 1.93" (49mm) of snowfall over 4.3 days, making the weather unfavorable for outdoor activities.Spring weather in Viola
Spring in Viola, covering March through May, ushers in a series of transitions. High temperatures rise steadily from 50.5°F (10.3°C) in March to 70.9°F (21.6°C) by May. Likewise, the lowest temperatures increase from 37.4°F (3°C) to 56.7°F (13.7°C). The city enjoys a relatively dry season; rainfall varies from 2.87" (73mm) in March to 3.11" (79mm) in May. Daylight hours elevate from 12 in March, reaching 14.3 in May, supporting outdoor plans.Summer weather in Viola
June to August in Viola announces the arrival of summer. High temperatures climb from 79.3°F (26.3°C) in June to 84.2°F (29°C) in July, dropping slightly to 82.2°F (27.9°C) in August. Humidity levels remain steady around 78%, creating mildly heavy atmospheric conditions. Despite the arrival of humidity, the rainfall diminishes to about 3.43" (87mm) in June and 3.86" (98mm) in July, leading to relatively drier months.Autumn weather in Viola
Autumn graces Viola from September through November. With dropping temperatures from highs of 76.5°F (24.7°C) in September to 54.5°F (12.5°C) in November, the weather assumes a noticeably cooler tone. The city receives an average rainfall of 2.44" (62mm) in September, increasing to 3.07" (78mm) in October, and easing to 2.4" (61mm) in November.Winter weather in Viola
Winter in Viola dominates December through February. The highest temperatures drop from 46.4°F (8°C) in December to 40.3°F (4.6°C) in January, then bounce back up to 43.9°F (6.6°C) in February. Cold winds with an average speed of 9.1mph (14.6km/h) in December heighten the wintery feel. Rainfall floats around 3.07" (78mm) in December and February, dipping to 2.6" (66mm) in January. Snowfall records are significant with 0.94" (24mm) in December escalating to 1.93" (49mm) in January.Weather in January
January in Viola, Delaware marks the commencement of a new year with relatively cold weather. Temperatures throughout this month are low, making this month one of the coldest. The average high and low temperatures for January are 40.3°F (4.6°C) and 28.8°F (-1.8°C) respectively, with occasional snowfalls adding to the chilly conditions. Weather in January »Weather in February
February does not show much relief from the chilly weather conditions prevailing in January. However, temperatures show a very slight upward trend from the previous month. The high and low temperature averages shift to 43.9°F (6.6°C) and 31.5°F (-0.3°C), providing a marginally warmer but still frosty ambiance. Weather in February »Weather in March
March signals a transition into spring as the thaw begins and temperatures start to rise. The average highs and lows during this month are 50.5°F (10.3°C) and 37.4°F (3°C), signaling an escape from the freezing temperatures experienced in the previous months. Weather in March »Weather in April
April witnesses a further expansion of spring weather in Viola, Delaware, marked by the much-anticipated respite from the cold. Temperatures rise further in this month, reaching an average high of 61.5°F (16.4°C) with lows standing at a more manageable 47.1°F (8.4°C). Weather in April »Weather in May
May is welcomed in Viola, Delaware with balmy weather and a pleasant atmosphere. The warmth of spring gently shifts into the prelude of summer, bringing a soothing change from the monotony of cold months. An average high temperature of 70.9°F (21.6°C) and a low of 56.7°F (13.7°C) makes this month particularly pleasing. Weather in May »Weather in June
June introduces summer with a significant increase in temperature in Viola, Delaware. It is much warmer compared to May, with temperatures reaching up to an average high of 79.3°F (26.3°C). However, the temperature increase means minimal to no snowfall, providing residents with a break from the chills of winter and spring. Weather in June »Weather in July
July is the hottest month in Viola, Delaware, with the highest average temperature soaring to 84.2°F (29°C). It marks the epitome of summer with an abundance of sun, clear skies, and minimal precipitation. Despite rare occurrences of heavy rainfall, the city enjoys a decent amount of sunshine. Weather in July »Weather in August
August continues to sustain the summer heat in Viola, Delaware, though it is slightly less than the peak experienced in July. Despite this, the month manages to maintain an average high temperature of 82.2°F (27.9°C). The sun continues to shine generously, providing ample opportunity for citizens to revel in the outdoor vibe. Weather in August »Weather in September
September is a transitional month in Viola, Delaware as summer gives way to fall. Although temperatures start to descend with an average high of 76.5°F (24.7°C), the month remains fairly warm. The fall of leaves marks the beginning of the autumn season in all its vibrance. Weather in September »Weather in October
October in Viola, Delaware is the heart of fall with cooler temperatures becoming more prominent. The autumn leaves add a dash of color to the cityscape, paving the way for the approaching winter. An average high temperature of 65.8°F (18.8°C) makes the weather quite mild and agreeable. Weather in October »Weather in November
November brings colder weather back to Viola, Delaware with a steep drop in temperature. The average high dips down to 54.5°F (12.5°C) with average lows staying around 42.3°F (5.7°C). Drastic reduction in daylight hours signifies the imminent arrival of winter. Weather in November »Weather in December
December announces the onset of winter once again in Viola, Delaware with cooling temperatures, shorter days, and increased snowfall. It may even snow during the month, as the snowfall isolation sees a rise to 0.94" (24mm) from an absence of snow in November. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Viola, DE
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (40.3°F).
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure
Viola, DE
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Viola, DE
- Average wind speed in January:
9.9mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.9mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Viola, DE
The months with the highest relative humidity are May, August and September (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall
Viola, DE
- Average rainfall in January:
2.13" - Average rainfall in February:
2.6" - Average rainfall in March:
2.87" - Average rainfall in April:
2.48" - Average rainfall in May:
3.11" - Average rainfall in June:
3.43"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days
Viola, DE
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
14.6 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
18.8 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
13.6 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
9 days - Average rainfall days in December:
11.6 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9 days).
Average snowfall
Viola, DE
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Viola, DE
- Average snowfall days in January:
4.3 days - Average snowfall days in February:
3.4 days - Average snowfall days in March:
2.4 days - Average snowfall days in April:
0.1 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:
0.2 days - Average snowfall days in December:
2.1 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Viola, DE
- 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 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- 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 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 36min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days
Viola, DE
- Average sunshine days in January:
17.7 days - Average sunshine days in February:
13.7 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
9.7 days - Average sunshine days in August:
12 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (9.7 days).
Average UV index
Viola, DE
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 and December (UV index 2).
Average cloud cover
Viola, DE
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Viola, DE
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





