April weather forecastFort Defiance, AZ
April
Weather in April
April in Fort Defiance, Arizona, is a mild spring month, with an average temperature fluctuating between 59.5°F (15.3°C) and 37.2°F (2.9°C).Temperature
In Fort Defiance, stepping into April brings a gentle temperature nudge, moving slightly up from March's fresh 51.8°F (11°C) to a moderate 59.5°F (15.3°C). Fort Defiance observes a distinct decrease from peak daytime temperatures, with an average low-temperature of 37.2°F (2.9°C) throughout the month of April.Humidity
In April, the average relative humidity is 34%.Rainfall
In April, the rain falls for 5.7 days. Throughout April, 0.47" (12mm) of precipitation is accumulated. Throughout the year, there are 91.1 rainfall days, and 12.72" (323mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Fort Defiance, during April, snow falls for 2.7 days and regularly aggregates up to 0.79" (20mm) of snow. Throughout the year, there are 37.7 snowfall days, and 22.44" (570mm) of snow is accumulated.Daylight
In Fort Defiance, the average length of the day in April is 13h and 7min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:38 pm. On the last day of April, sunrise is at 6:24 am and sunset at 8:02 pm MDT.
Sunshine
The average sunshine in April is 10.9h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during April translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Fort Defiance, AZ
- Average high temperature in April: 59.5°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in April: 37.2°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in April
Fort Defiance, AZ
- Average pressure in April: 29.89"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Fort Defiance, AZ
- Average wind speed in April: 11.4mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in April
Fort Defiance, AZ
- Average humidity in April: 34%
The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is June (24%).
Average rainfall in April
Fort Defiance, AZ
- Average rainfall in April: 0.47"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is June (0.39").
Average rainfall days in April
Fort Defiance, AZ
- Average rainfall days in April: 5.7 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (3.1 days).
Average snowfall in April
Fort Defiance, AZ
- Average snowfall in April: 0.79"
The month with the highest snowfall is December (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Fort Defiance, AZ
- Average snowfall days in April: 2.7 days
The month with the highest number of snowfall days is December (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Fort Defiance, AZ
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 10h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 6h and 24min).
Average sunshine days in April
Fort Defiance, AZ
- Average sunshine days in April: 20.4 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in April
Fort Defiance, AZ
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Fort Defiance, AZ
- Average cloud cover in April: 19
The months with the most cloud cover are January and December (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 10).
Average visibility in April
Fort Defiance, AZ
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





