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 witnesses a subtle temperature ascent, adjusting from a refreshing 59.5°F (15.3°C) in March to a comfortable 66.2°F (19°C). Saint Johns in April observes a sharp transition from the daytime heat, falling to an average low of 43°F (6.1°C).Humidity
In April, the average relative humidity is 27%.Rainfall
In Saint Johns, in April, it is raining for 5.1 days, with typically 0.31" (8mm) of accumulated precipitation. Throughout the year, there are 67.8 rainfall days, and 6.34" (161mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.4 snowfall days, in April, Saint Johns aggregates 0.12" (3mm) of snow. Throughout the year, there are 14.9 snowfall days, and 7.87" (200mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 5min.On the first day of April, sunrise is at 6:03 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 7:01 pm MST.
Sunshine
In April, the average sunshine is 11.2h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In April, a daily maximum UV index of 4 leads to the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Saint Johns in April?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Saint Johns have in April?
How high is the UV index in April?
Average temperature in April
Saint Johns, AZ
- Average high temperature in April: 66.2°F
The warmest months (with the highest average high temperature) are June and July (86.5°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in April: 43°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in April
Saint Johns, AZ
- Average pressure in April: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Saint Johns, AZ
- Average wind speed in April: 10.8mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).
Average humidity in April
Saint Johns, AZ
- Average humidity in April: 27%
The month with the highest relative humidity is January (61%).
The month with the lowest relative humidity is June (21%).
Average rainfall in April
Saint Johns, AZ
- Average rainfall in April: 0.31"
The wettest month (with the highest rainfall) is July (0.83").
The driest months (with the least rainfall) are May and June (0.28").
Average rainfall days in April
Saint Johns, AZ
- Average rainfall days in April: 5.1 days
The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is November (2.9 days).
Average snowfall in April
Saint Johns, AZ
- Average snowfall in April: 0.12"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Saint Johns, AZ
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is December (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Saint Johns, 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: 11h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in April
Saint Johns, AZ
- Average sunshine days in April: 24.3 days
The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is July (17.4 days).
Average UV index in April
Saint Johns, AZ
- Average UV index in April: 4
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in April
Saint Johns, AZ
- Average cloud cover in April: 15
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 9).
Average visibility in April
Saint Johns, 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).
Saint Johns, Arizona, USA
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