April weather forecastSignal, AZ
April
Weather in April
April is a pleasant spring month in Signal, Arizona, with an average temperature fluctuating between 72°F (22.2°C) and 50.4°F (10.2°C).Temperature
A slight uplift of average high-temperatures is noted in April, with temperatures adjusting from an enjoyable 65.1°F (18.4°C) in March to an agreeable 72°F (22.2°C). Signal registers a substantial downturn from daytime peaks throughout April nights, with an average low-temperature of 50.4°F (10.2°C).Humidity
The average relative humidity in April is 27%.Rainfall
In Signal, during April, the rain falls for 3.6 days and regularly aggregates up to 0.16" (4mm) of precipitation. In Signal, during the entire year, the rain falls for 61.4 days and collects up to 8.35" (212mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Signal aggregates 0.12" (3mm) of snow. Throughout the year, there are 2.8 snowfall days, and 3.74" (95mm) of snow is accumulated.Daylight
In Signal, the average length of the day in April is 13h and 5min.On the first day of the month, sunrise is at 6:20 am and sunset at 6:55 pm. On the last day of April, sunrise is at 5:44 am and sunset at 7:18 pm MST.
Sunshine
In April, the average sunshine in Signal is 10.6h.UV index
In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during April leads to these advisories:
Ensure safety - Sun damage prevention is strongly urged. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Signal, AZ
- Average high temperature in April: 72°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in April: 50.4°F
The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is December (38.5°F).
Average pressure in April
Signal, AZ
- Average pressure in April: 29.88"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).
Average wind speed in April
Signal, AZ
- Average wind speed in April: 8.3mph
The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is December (6.1mph).
Average humidity in April
Signal, AZ
- Average humidity in April: 27%
The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is June (19%).
Average rainfall in April
Signal, AZ
- Average rainfall in April: 0.16"
The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in April
Signal, AZ
- Average rainfall days in April: 3.6 days
The month with the highest number of rainy days is July (10.4 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in April
Signal, AZ
- Average snowfall in April: 0.12"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Signal, AZ
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Signal, AZ
- Average daylight in April: 13h and 6min
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 36min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in April
Signal, AZ
- Average sunshine days in April: 26.8 days
The months with the most sunshine days are May and June (28.1 days).
The month with the least sunshine days is August (15.4 days).
Average UV index in April
Signal, AZ
- Average UV index in April: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in April
Signal, AZ
- Average cloud cover in April: 12
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in April
Signal, 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).
