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United StatesThe weather in April in Flagstaff
It's cool to moderate in April in Flagstaff with an average temperature of 16°C. Temperatures this month range from a low of 14°C to a high of 19°C. At night, you can expect temperatures between -3°C and 2°C.
Looking for sun and warm weather? April isn’t a good month to be in Flagstaff. The temperatures are too low for a warm stay this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in April for Flagstaff, Arizona. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 26°C in 2020, Flagstaff reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was -1°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of -13°C to a highest value of 9°C.
Precipitation and snowfall
In April, there is an average of 16 mm of precipitation, spread over 4 days. Of the total precipitation, about 1,2 cm falls as snow in April. The wind speed is around 5 Bft, mostly coming from the Southwest.
Daily weather in April for Flagstaff
Click on any day in April to get detailed info about the usual weather on that day in Flagstaff. Check out the historical temperatures and precipitation over the past 10 years on this day.
April weather comparison
| Flagstaff | New York | |
|---|---|---|
| Average temperature | 16°C | 17°C |
| Max. temperature | 19°C | 22°C |
| Min. temperature | -3°C | -5°C |
| Total precipitation | 16 mm | 81 mm |
| Rainy days | 4 days | 11 days |
| Total snowfall | 1,2 cm | 0,4 cm |
| Snowy days | 1 day | 1 day |
Start of April
The month of April starts in Flagstaff with cool temps, averaging around 16°C during the day and nights around 0°C.
Mid April
By mid-April, daytime temps stay steady at around 16°C, with nights around 0°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of April
By the end of April, the average daytime temperature in Flagstaff is around 18°C, while nighttime temps are about 2°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Flagstaff for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in April in Flagstaff, Arizona. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in April in Flagstaff
Temperature in April in Flagstaff over the years
Precipitation charts
These charts show the average amount of precipitation in April in Flagstaff, Arizona. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in April in Flagstaff
Total precipitation in April in Flagstaff over the years
Daily Snowfall in April in Flagstaff
Snowfall in April in Flagstaff per year
Daily UV index in April in Flagstaff
This chart shows the average daily UV index in April in Flagstaff, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in April in Flagstaff
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Average weather in Flagstaff by month
Click on a month below to see detailed weather info for Flagstaff. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.