April weather forecast
Jansenville, South Africa

April

Weather in April

April, the same as March, is another warm autumn month in Jansenville, South Africa, with an average temperature fluctuating between 13.6°C (56.5°F) and 24.5°C (76.1°F).

Temperature

The arrival of April is marked by a minor reduction in average high-temperature, sliding from 28.6°C (83.5°F) in March to a still moderately hot 24.5°C (76.1°F). April nights cool down to an average low-temperature of 13.6°C (56.5°F).

Humidity

The average relative humidity in April is 56%.

Rainfall

In April, the rain falls for 8.5 days. Throughout April, 13mm (0.51") of precipitation is accumulated. Throughout the year, there are 88.8 rainfall days, and 181mm (7.13") of precipitation is accumulated.

Daylight

In Jansenville, the average length of the day in April is 11h and 16min.
On the first day of the month, sunrise is at 06:33 and sunset at 18:16. On the last day of April, sunrise is at 06:54 and sunset at 17:42 SAST.

Sunshine

The average sunshine in April is 7.9h.

UV index

In Jansenville, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 5 during April morphs into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

What is the usual temperature for Jansenville in April?
The average high-temperature and low-temperature during April are 24.5°C (76.1°F) and 13.6°C (56.5°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in March is calculated to be 30°C (86°F).
What is the average humidity in April?
In April, the average relative humidity in Jansenville is 56%.
How many days does it rain in April?
In Jansenville, in April, it is raining for 8.5 days, with typically 13mm (0.51") of accumulated precipitation.
How many hours of daylight does Jansenville have in April?
The average day length in April is 11h and 16min.
When are sunrise and sunset in April?
In April, on the first day of the month, sunrise is at 06:33 and sunset at 18:16. On the last day of the month, sunrise is at 06:54 and sunset at 17:42 SAST.
How long on average sun shines in April?
In Jansenville, the average sunshine duration in April is 7.9h.
How high is the UV index in April?
The average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in April - Jansenville, South Africa
Average temperature in April
Jansenville, South Africa
  • Average high temperature in April: 24.5°C

The warmest month (with the highest average high temperature) is January (30.5°C).
The month with the lowest average high temperature is June (19.1°C).

  • Average low temperature in April: 13.6°C

The month with the highest average low temperature is February (18°C).
The coldest month (with the lowest average low temperature) is July (8.5°C).

Average pressure in April - Jansenville, South Africa
Average pressure in April
Jansenville, South Africa
  • Average pressure in April: 1018.3mbar

The month with the highest atmospheric pressure is July (1022.9mbar).
The month with the lowest atmospheric pressure is January (1013.1mbar).

Average wind speed in April - Jansenville, South Africa
Average wind speed in April
Jansenville, South Africa
  • Average wind speed in April: 11km/h

The windiest month (with the highest average wind speed) is December (14.7km/h).
The calmest months (with the lowest average wind speed) are April and May (11km/h).

Average humidity in April - Jansenville, South Africa
Average humidity in April
Jansenville, South Africa
  • Average humidity in April: 56%

The months with the highest relative humidity are January, February, March and December (58%).
The month with the lowest relative humidity is August (49%).

Average rainfall in April - Jansenville, South Africa
Average rainfall in April
Jansenville, South Africa
  • Average rainfall in April: 13mm

The wettest months (with the highest rainfall) are January and February (28mm).
The driest month (with the least rainfall) is August (5mm).

Average rainfall days in April - Jansenville, South Africa
Average rainfall days in April
Jansenville, South Africa
  • Average rainfall days in April: 8.5 days

The month with the highest number of rainy days is January (10.3 days).
The month with the least rainy days is August (3.6 days).

Average daylight in April / Average sunshine in April - Jansenville, South Africa
Average daylight in April /
Average sunshine in April
Jansenville, South Africa
  • Average daylight in April: 11h and 2min

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

  • Average sunshine in April: 7h and 5min

The month with the most sunshine is November (Average sunshine: 11h and 0min).
The months with the least sunshine are May, June and July (Average sunshine: 7h and 12min).

Average sunshine days in April - Jansenville, South Africa
Average sunshine days in April
Jansenville, South Africa
  • Average sunshine days in April: 18.6 days

The month with the most sunshine days is July (26 days).
The month with the least sunshine days is February (12.6 days).

Average UV index in April - Jansenville, South Africa
Average UV index in April
Jansenville, South Africa
  • Average UV index in April: 5

The months with the highest UV index are January, February, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).

Average cloud cover in April - Jansenville, South Africa
Average cloud cover in April
Jansenville, South Africa
  • Average cloud cover in April: 23

The month with the most cloud cover is December (Cloud cover 29).
The month with the least cloud cover is July (Cloud cover 16).

Average visibility in April - Jansenville, South Africa
Average visibility in April
Jansenville, South Africa
  • Average visibility in April: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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