Grand Canyon National Park Climate and Average Weather
Climate of Grand Canyon National Park: average temperatures, rainfall and seasons month by month.
Climate in Grand Canyon National Park month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 51° | 34° | 1,0 in | ★★★☆☆ |
| February | 60° | 38° | 1,8 in | ★★★☆☆ |
| March | 69° | 44° | 1,4 in | ★★★★☆ |
| April | 74° | 47° | 0,9 in | ★★★★★ |
| May | 85° | 57° | 0,4 in | ★★★★★ |
| June | 98° | 69° | 0,6 in | ★★★★☆ |
| July | 101° | 73° | 0,6 in | ★★★★☆ |
| August | 97° | 72° | 1,1 in | ★★★★☆ |
| September | 90° | 65° | 0,4 in | ★★★★★ |
| October | 79° | 56° | 1,3 in | ★★★★☆ |
| November | 63° | 43° | 1,1 in | ★★★★☆ |
| December | 56° | 38° | 0,5 in | ★★★★☆ |
Climate type: Semi-arid. Source: Open-Meteo archive (ERA5).
Recent extremes in Grand Canyon National Park
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Grand Canyon National Park compares with nearby places
Annual averages, and the difference against Grand Canyon National Park.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Grand Canyon (UNESCO World Heritage Site) | 0 mi | 65°F | about the same | 11 in |
| Colorado River | 0 mi | 65°F | about the same | 11 in |
| Havasu Falls | 34 mi | 67°F | +34°F warmer | 8 in |
| Horseshoe Bend | 63 mi | 62°F | 35°F cooler | 4 in |
| Antelope Canyon | 66 mi | 62°F | 35°F cooler | 5 in |
Best time to visit Grand Canyon National Park
Go in April, May, June, September and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What this means for Grand Canyon National Park
Today is warmer than average for August. The forecast high of 104°F is 7.4°F above the 97°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 78°F.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- Avoid long hikes after mid-morning; start at dawn or leave it for a cooler day.
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
Grand Canyon National Park is a national park in Arizona. Grand Canyon National Park is a US national park known for a mile-deep canyon carved by the Colorado.
Right now it is 74°F (24°C) in Grand Canyon National Park with clear sky. It feels like 74°F. Today runs from 66°F to 104°F. Chance of precipitation is 3%. Sightseeing conditions score 9.7/10 - excellent - go now.
The best time to visit Grand Canyon National Park is April, May, June, September and October. The climate is semi-arid. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 101°F, while January is the coldest with lows near 34°F.
The closest major airport is Harry Reid International Airport (LAS), about 170 mi away. Nearby highlights include Colorado River, Grand Canyon (UNESCO World Heritage Site), Havasu Falls and Horseshoe Bend.
In plain terms. Today is warmer than average for August. The forecast high of 104°F is 7.4°F above the 97°F typical for this month. The best window to be outside is roughly 8 AM to 11 AM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Grand Canyon National Park today at 9.9/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Grand Canyon National Park
| Type | National park |
|---|---|
| State | Arizona |
| Country | United States |
| Continent | North America |
| Coordinates | 36°6′24.8″N 112°6′46.4″W (36.1069, -112.1129) |
| Established | 1919 |
| Known for | a mile-deep canyon carved by the Colorado |
| Local time | 1:55 PM (UTC-07:00) |
| Best months | April, May, June, September and October |
| Climate | Semi-arid |
Weather map for Grand Canyon National Park
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Grand Canyon National Park
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Grand Canyon National Park?
Grand Canyon National Park is a national park in Arizona. Its coordinates are 36.1069, -112.1129. It lies in North America.
What is the weather like in Grand Canyon National Park right now?
It is currently 74°F (24°C) with clear sky. Humidity is 48% and wind is 4 mph.
When is the best time to visit Grand Canyon National Park?
April, May, June, September and October offer the most comfortable conditions in Grand Canyon National Park, which has a semi-arid climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Grand Canyon National Park in?
Grand Canyon National Park observes America/Phoenix (UTC-07:00). The local time is 1:55 PM.
What is the nearest airport to Grand Canyon National Park?
The closest airports are Harry Reid International Airport (LAS), 170 mi away and Phoenix Sky Harbor International Airport (PHX), 185 mi away.
What are the top things to do in Grand Canyon National Park?
Popular options include Colorado River, Grand Canyon (UNESCO World Heritage Site), Havasu Falls, Horseshoe Bend, Antelope Canyon and Lake Powell.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (national-parks) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 25, 2026 at 1:55 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
