Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April sees a temperature increase, moving from a frosty 49.3°F (9.6°C) in March to a comfortable 60.8°F (16°C). In Helvetia, April nights cool down to an average of 41.7°F (5.4°C).Humidity
In April, the average relative humidity is 78%.Rainfall
In Helvetia, during April, the rain falls for 18.1 days and regularly aggregates up to 3.58" (91mm) of precipitation. In Helvetia, during the entire year, the rain falls for 187.8 days and collects up to 38.07" (967mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Helvetia, in April, during 2.4 snowfall days, 1.85" (47mm) of snow is typically accumulated. Throughout the year, there are 62.1 snowfall days, and 37.83" (961mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 14min.On the first day of April, sunrise is at 7:04 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 8:12 pm EDT.
Sunshine
In April, the average sunshine is 8h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In April, an average UV index of 4 transforms into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How many days does it rain in April in Helvetia?
How much does it snow in Helvetia in April?
How many hours of daylight does Helvetia have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Helvetia have in April?
How high is the UV index in April?
Average temperature in April
Helvetia, WV
- Average high temperature in April: 60.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in April: 41.7°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in April
Helvetia, WV
- Average pressure in April: 29.98"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 in April
Helvetia, WV
- Average wind speed in April: 6.8mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in April
Helvetia, WV
- Average humidity in April: 78%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall in April
Helvetia, WV
- Average rainfall in April: 3.58"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in April
Helvetia, WV
- Average rainfall days in April: 18.1 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is February (11.4 days).
Average snowfall in April
Helvetia, WV
- Average snowfall in April: 1.85"
The month with the highest snowfall is January (9.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Helvetia, WV
- Average snowfall days in April: 2.4 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Helvetia, WV
- Average daylight in April: 13h and 1min
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 April: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
Helvetia, WV
- Average sunshine days in April: 9.5 days
The month with the most sunshine days is November (13.2 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in April
Helvetia, WV
- Average UV index in April: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Helvetia, WV
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in April
Helvetia, WV
- Average visibility in April: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is January (4mi).
Helvetia, West Virginia, USA
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