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
Ottawa experiences a temperature shift with the start of April, with average high-temperatures moving from a chilly 46.2°F (7.9°C) in March to a mild 58.6°F (14.8°C). During April, the temperature is averaged to a low of 41.7°F (5.4°C) at night.Humidity
The average relative humidity in April is 76%.Rainfall
In Ottawa, in April, it is raining for 16.8 days, with typically 3.07" (78mm) of accumulated precipitation. In Ottawa, during the entire year, the rain falls for 161 days and collects up to 27.24" (692mm) of precipitation.Snowfall
Months with snowfall in Ottawa are January through May, October through December. In Ottawa, in April, snow falls for 1.7 days, with typically accumulated 0.79" (20mm) of snow. Throughout the year, there are 50.5 snowfall days, and 13.66" (347mm) of snow is accumulated.Daylight
In Ottawa, the average length of the day in April is 13h and 20min.On the first day of April, sunrise is at 7:18 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 8:32 pm EDT.
Sunshine
In Ottawa, the average sunshine in April is 6.9h.UV index
In Ottawa, 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 rays for the ordinary person.Note: The UV index of 4 during April translates into the following guidance:
Heed the precautions - It is counselled to guard against solar damage. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April?
How many hours of daylight does Ottawa have in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Ottawa, OH
- Average high temperature in April: 58.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in April: 41.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in April
Ottawa, OH
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Ottawa, OH
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in April
Ottawa, OH
- Average humidity in April: 76%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Ottawa, OH
- Average rainfall in April: 3.07"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in April
Ottawa, OH
- Average rainfall days in April: 16.8 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in April
Ottawa, OH
- Average snowfall in April: 0.79"
The month with the highest snowfall is February (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Ottawa, OH
- Average snowfall days in April: 1.7 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Ottawa, 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 18min).
- Average sunshine in April: 6h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in April
Ottawa, OH
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in April
Ottawa, OH
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Ottawa, OH
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in April
Ottawa, OH
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
Ottawa, Ohio, USA
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