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 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 coincides with a marginal rise in the average high-temperature, moving from March's 75.4°F (24.1°C) to a still warm 82.8°F (28.2°C). Throughout April, Swansea witnesses a consistent average low-temperature of 62.2°F (16.8°C).Humidity
The average relative humidity in April is 21%.Rainfall
In Swansea, during April, the rain falls for 2.6 days and regularly aggregates up to 0.12" (3mm) of precipitation. In Swansea, during the entire year, the rain falls for 39.4 days and collects up to 3.9" (99mm) of precipitation.Daylight
In Swansea, the average length of the day in April is 13h and 4min.On the first day of April, sunrise is at 6:21 am and sunset at 6:56 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 7:19 pm MST.
Sunshine
In Swansea, the average sunshine in April is 10.3h.UV index
In April, the average daily maximum UV index in Swansea is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 6 in April translates into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in April?
What is the average humidity in April?
How many days does it rain in April?
How many hours of daylight does Swansea have in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Swansea, AZ
- Average high temperature in April: 82.8°F
The warmest month (with the highest average high temperature) is July (104.2°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in April: 62.2°F
The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is December (47.1°F).
Average pressure in April
Swansea, AZ
- Average pressure in April: 29.86"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).
Average wind speed in April
Swansea, AZ
- Average wind speed in April: 8.5mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).
Average humidity in April
Swansea, AZ
- Average humidity in April: 21%
The months with the highest relative humidity are January and December (39%).
The month with the lowest relative humidity is June (15%).
Average rainfall in April
Swansea, AZ
- Average rainfall in April: 0.12"
The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are May and June (0.04").
Average rainfall days in April
Swansea, AZ
- Average rainfall days in April: 2.6 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is May (1.2 days).
Average daylight in April /
Average sunshine in April
Swansea, AZ
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in April: 10h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in April
Swansea, AZ
- Average sunshine days in April: 27.6 days
The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (20.2 days).
Average UV index in April
Swansea, AZ
- Average UV index in April: 6
The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in April
Swansea, AZ
- Average cloud cover in April: 11
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in April
Swansea, AZ
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Swansea, Arizona, USA
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