January in Grand Canyon — workable with trade-offs
Trade-offs · 5.2/10January averages 0°C (32°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Precipitation is light at 38 mm (mostly snow at altitude), with about 5 days with 6+ hours of sunshine and 9.8 hours of daylight.
It scores 5.2/10 here, 12th of 12 months, against 9.9/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.
Flexible dates? September scores 4.7 points higher here — enough to change the trip.
February in Grand Canyon — middling scores, decent value
Trade-offs · 6.4/10February averages 1°C (34°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Expect 28 mm of rain — occasional showers rather than washed-out days — alongside about 11 days with 6+ hours of sunshine and 10.6 daylight hours.
It scores 6.4/10 here, 10th of 12 months, against 9.9/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.
Flexible dates? September scores 3.5 points higher here — enough to change the trip.
March in Grand Canyon: strong conditions, 7th of 12
Good · 7.7/10Expect 5°C (40°F) in March. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 61 mm of rain this month — a flexible day or two helps — with about 20 days with 6+ hours of sunshine and 11.7 hours of daylight to work around it.
That is 7.7/10 on the same scale — 7th of 12 months, versus 9.9/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.
If your dates are flexible, September is materially better in Grand Canyon — 2.2 points higher on the same scale.
April in Grand Canyon — one of the year's strongest windows (3rd)
Best window · 9.7/10April averages 11°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rain is a non-issue at 5 mm for the month, with about 30 days with 6+ hours of sunshine and 12.9 hours of daylight to work with.
A 9.7/10 puts this among the year's best months in Grand Canyon (3rd of 12); only September scores higher, at 9.9/10.
Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, footwear you can get muddy.
May is one of the strongest months in Grand Canyon (2nd)
Best window · 9.8/10Temperatures hover around 16°C (61°F) — the kind of month where neither heat nor cold forces the schedule.
At just 7 mm for the month, rain will not shape your plans; you get about 31 days with 6+ hours of sunshine and 13.9 hours of daylight.
On our climate-comfort scale this is one of the strongest months of the year for Grand Canyon at 9.8/10 (2nd of 12), just behind September at 9.9/10.
Expect peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening, footwear you can get muddy.
June ranks 4th of 12 for Grand Canyon — one of the best windows
Best window · 9.4/10June averages 23°C (73°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
Expect 17 mm of rain — occasional showers rather than washed-out days — alongside about 30 days with 6+ hours of sunshine and 14.4 daylight hours.
A 9.4/10 puts this among the year's best months in Grand Canyon (4th of 12); only September scores higher, at 9.9/10.
Figure on mid-season pricing, with crowds are moderate.
Pack light clothing, a hat and real sun protection, footwear you can get muddy.
July holds up well in Grand Canyon — 8th best month
Good · 7.5/10July averages 26°C (79°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 46 mm, so plan one flexible day in three; you still get about 31 days with 6+ hours of sunshine and 14.2 hours of daylight.
It scores 7.5/10 here, 8th of 12 months, against 9.9/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer, footwear you can get muddy.
Flexible dates? September scores 2.4 points higher here — enough to change the trip.
August in Grand Canyon — reliably good (6th best month)
Good · 8.4/10Trail conditions at 24°C (74°F) favour early starts and shaded routes in August; midday is for water breaks, not for exposed climbs.
Budget for roughly 83 mm of rain this month — a flexible day or two helps — with about 30 days with 6+ hours of sunshine and 13.4 hours of daylight to work around it.
That is 8.4/10 on the same scale — 6th of 12 months, versus 9.9/10 for the best month here.
Expect mid-season pricing, and this is one of the busiest months here.
Pack light clothing, a hat and real sun protection, a packable rain layer, footwear you can get muddy.
If your dates are flexible, September is materially better in Grand Canyon — 1.5 points higher on the same scale.
September in Grand Canyon tops the year's climate scores
Best window · 9.9/10Trail conditions at 20°C (69°F) favour early starts and shaded routes in September; midday is for water breaks, not for exposed climbs.
With around 26 mm of rain, any showers tend to pass through rather than settle in; about 25 days with 6+ hours of sunshine and 12.2 hours of daylight fill the rest.
On our climate-comfort scale this is the top-ranked month of the year for Grand Canyon at 9.9/10 — the reference point every other month on this page is measured against.
Budget for peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, a hat and real sun protection, footwear you can get muddy.
October ranks 5th of 12 for Grand Canyon — one of the best windows
Best window · 9.3/10October averages 14°C (57°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Expect 29 mm of rain — occasional showers rather than washed-out days — alongside about 19 days with 6+ hours of sunshine and 11.1 daylight hours.
A 9.3/10 puts this among the year's best months in Grand Canyon (5th of 12); only September scores higher, at 9.9/10.
Figure on mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, footwear you can get muddy.
November in Grand Canyon: mixed conditions, plan around the weather
Trade-offs · 6.5/10November averages 4°C (39°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rain is a non-issue at 15 mm for the month, with about 9 days with 6+ hours of sunshine and 10 hours of daylight to work with.
It scores 6.5/10 here, 9th of 12 months, against 9.9/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.
Flexible dates? September scores 3.4 points higher here — enough to change the trip.
December in Grand Canyon — middling scores, decent value
Trade-offs · 5.6/10At 2°C (36°F) this is proper winter weather in December: layer up and split the day between outdoor highlights and indoor stops.
With around 26 mm of rain, any showers tend to pass through rather than settle in; about 4 days with 6+ hours of sunshine and 9.6 hours of daylight fill the rest.
That is 5.6/10 on the same scale — 11th of 12 months, versus 9.9/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.
If your dates are flexible, September is materially better in Grand Canyon — 4.3 points higher on the same scale.
