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 signals a shift in the average high-temperature, moving from March's icy 36.1°F (2.3°C) to a frosty 48.4°F (9.1°C). An average minimum temperature of 32.5°F (0.3°C) marks the month of April.Humidity
The average relative humidity in April in Johannesburg is 75%.Rainfall
In Johannesburg, in April, it is raining for 13.3 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, there are 140.1 rainfall days, and 23.39" (594mm) of precipitation is accumulated.Snowfall
Months with snowfall in Johannesburg, Michigan, are January through May, October through December. In Johannesburg, in April, snow falls for 8.4 days, with typically accumulated 5.39" (137mm) of snow. In Johannesburg, during the entire year, snow falls for 109.2 days and aggregates up to 47.09" (1196mm) of snow.Daylight
The average length of the day in April is 13h and 32min.On the first day of the month, sunrise is at 7:16 am and sunset at 8:06 pm. On the last day of April, sunrise is at 6:27 am and sunset at 8:42 pm EDT.
Sunshine
The average sunshine in April is 6.5h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 3 in April translates into these instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. 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 are April temperatures?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
How many hours of daylight does Johannesburg have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Johannesburg, MI
- Average high temperature in April: 48.4°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (23.5°F).
- Average low temperature in April: 32.5°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).
Average pressure in April
Johannesburg, MI
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Johannesburg, MI
- Average wind speed in April: 8.2mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in April
Johannesburg, MI
- Average humidity in April: 75%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall in April
Johannesburg, MI
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in April
Johannesburg, MI
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is October (17.5 days).
The months with the least rainy days are January and February (5 days).
Average snowfall in April
Johannesburg, MI
- Average snowfall in April: 5.39"
The month with the highest snowfall is January (10.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Johannesburg, MI
- Average snowfall days in April: 8.4 days
The month with the highest number of snowfall days is January (24.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Johannesburg, MI
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 6h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in April
Johannesburg, MI
- Average sunshine days in April: 11 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (5.4 days).
Average UV index in April
Johannesburg, MI
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in April
Johannesburg, MI
- Average cloud cover in April: 55
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in April
Johannesburg, MI
- Average visibility in April: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Johannesburg, Michigan, USA
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