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's arrival signals a temperature shift, moving from a frosty 44.2°F (6.8°C) in March to a refreshing 55.9°F (13.3°C). April nights in Helena cool down to an average low-temperature of 40.8°F (4.9°C).Humidity
In April, the average relative humidity in Helena is 76%.Rainfall
In Helena, Ohio, in April, it is raining for 16.3 days, with typically 3.39" (86mm) of accumulated precipitation. In Helena, Ohio, during the entire year, the rain falls for 163.4 days and collects up to 30.28" (769mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Helena, during April, snow falls for 1 days and regularly aggregates up to 1.02" (26mm) of snow. In Helena, during the entire year, snow falls for 45.1 days and aggregates up to 14.02" (356mm) of snow.Daylight
In April, the average length of the day is 13h and 21min.On the first day of April, sunrise is at 7:14 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 8:29 pm EDT.
Sunshine
In April, the average sunshine in Helena is 7.3h.UV index
In April, the average daily maximum UV index in Helena is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In April, the maximum UV index of 4 transforms into these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Helena in April?
What is the average humidity in April in Helena?
How much does it rain in Helena in April?
How many days does it snow in April in Helena?
How many hours of daylight does Helena have in April?
When is the sunrise / sunset in April in Helena?
How long on average sun shines in April in Helena?
What is the UV index reading in April in Helena?
Average temperature in April
Helena, OH
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in April: 40.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in April
Helena, OH
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Helena, OH
- Average wind speed in April: 10mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in April
Helena, OH
- Average humidity in April: 76%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Helena, OH
- Average rainfall in April: 3.39"
The wettest months (with the highest rainfall) are May and June (3.5").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in April
Helena, OH
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in April
Helena, OH
- Average snowfall in April: 1.02"
The month with the highest snowfall is February (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Helena, OH
- Average snowfall days in April: 1 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Helena, OH
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in April
Helena, OH
- Average sunshine days in April: 11.3 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in April
Helena, OH
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Helena, OH
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in April
Helena, OH
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Helena, Ohio, USA
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