Flagstaff in April
In April, Flagstaff averages 17°C (62°F) during the day and 3°C (38°F) at night, with only about 4 rainy days.
High seasonConditions are cool — bring a jacket for evenings. Occasional showers are likely but won't dominate.
April in Flagstaff is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How April compares to the rest of the year in Flagstaff
April is in the middle of the year for warmth in Flagstaff (7th of 12) and one of the driest months (10th of 12). Daytime temperature matches the city's annual average. April runs 6°C warmer than March (11°C) and warms a further 4°C into May (20°C).
April sunrise & sunset in Flagstaff
Times shown for Flagstaff local time (America/Phoenix), calculated for the 15th of April. They shift by a few minutes day to day across the month.
Photography light in Flagstaff — April
Golden-hour and blue-hour windows for the 15th of April, in Flagstaff's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Flagstaff in April
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on April's tier (High season) and Flagstaff's popularity.
Crowds & pricing — April in Flagstaff
This is a busy month in Flagstaff — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — April in Flagstaff
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Flagstaff in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 6°C / 42°F | -4°C / 24°F | 48 mm | 7 | — |
| February | 8°C / 46°F | -3°C / 26°F | 44 mm | 5 | — |
| March | 11°C / 51°F | -1°C / 31°F | 51 mm | 7 | — |
| April | 17°C / 62°F | 3°C / 38°F | 15 mm | 4 | — |
| May | 20°C / 68°F | 7°C / 44°F | 30 mm | 7 | — |
| June | 28°C / 82°F | 13°C / 56°F | 11 mm | 3 | — |
| July | 28°C / 83°F | 16°C / 60°F | 72 mm | 13 | — |
| August | 27°C / 80°F | 15°C / 58°F | 71 mm | 12 | — |
| September | 24°C / 75°F | 12°C / 54°F | 39 mm | 7 | — |
| October | 18°C / 64°F | 6°C / 43°F | 27 mm | 6 | — |
| November | 12°C / 53°F | 1°C / 34°F | 29 mm | 4 | — |
| December | 6°C / 44°F | -3°C / 27°F | 41 mm | 6 | — |
Other cities with similar April weather
🌍 See the full ranked list of climate twins for Flagstaff in April →
Frequently asked questions
How hot is Flagstaff in April?
In April, Flagstaff averages a high of 17°C (62°F) and a low of 3°C (38°F) — generally mild and pleasant.
Does it rain a lot in Flagstaff in April?
April is generally dry in Flagstaff, with about 4 rainy days on average.
Is April a good time to visit Flagstaff?
April is mild and pleasant and mostly dry. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Flagstaff in April?
Pack a warm jacket and layers. See the full April packing list for Flagstaff for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.