Grand Canyon (UNESCO World Heritage Site) Climate and Average Weather
Climate of Grand Canyon (UNESCO World Heritage Site): average temperatures, rainfall and seasons month by month.
Climate in Grand Canyon (UNESCO World Heritage Site) 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 | 98° | 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 (UNESCO World Heritage Site)
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Grand Canyon (UNESCO World Heritage Site) compares with nearby places
Annual averages, and the difference against Grand Canyon (UNESCO World Heritage Site).
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Colorado River | 0 mi | 65°F | about the same | 11 in |
| Grand Canyon National Park | 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 (UNESCO World Heritage Site)
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 (UNESCO World Heritage Site)
Today is slightly warmer than average for September. The forecast high of 94°F is 3.4°F above the 90°F typical for this month.
A 12% chance means most of the area stays dry; a passing shower is possible but short.
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 (UNESCO World Heritage Site) is an UNESCO World Heritage Site in Arizona. Grand Canyon (UNESCO World Heritage Site) is a UNESCO World Heritage Site known for a mile-deep river canyon.
Right now it is 73°F (23°C) in Grand Canyon (UNESCO World Heritage Site) with overcast. It feels like 64°F. Today runs from 70°F to 94°F. Chance of precipitation is 12%. Sightseeing conditions score 9.2/10 - excellent - go now.
The best time to visit Grand Canyon (UNESCO World Heritage Site) 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 Grand Canyon National Park, Colorado River, Havasu Falls and Horseshoe Bend.
In plain terms. Today is slightly warmer than average for September. The forecast high of 94°F is 3.4°F above the 90°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in Grand Canyon (UNESCO World Heritage Site) today at 9.2/10. 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 (UNESCO World Heritage Site)
| Type | UNESCO World Heritage Site |
|---|---|
| State | Arizona |
| Country | United States |
| Continent | North America |
| Coordinates | 36°6′24.8″N 112°6′46.4″W (36.1069, -112.1129) |
| UNESCO inscription | 1979 |
| Known for | a mile-deep river canyon |
| Local time | 12:48 AM (UTC-07:00) |
| Best months | April, May, June, September and October |
| Climate | Semi-arid |
Weather map for Grand Canyon (UNESCO World Heritage Site)
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 (UNESCO World Heritage Site)
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 (UNESCO World Heritage Site)?
Grand Canyon (UNESCO World Heritage Site) is an UNESCO World Heritage Site in Arizona. Its coordinates are 36.1069, -112.1129. It lies in North America.
What is the weather like in Grand Canyon (UNESCO World Heritage Site) right now?
It is currently 73°F (23°C) with overcast. Humidity is 18% and wind is 9 mph.
When is the best time to visit Grand Canyon (UNESCO World Heritage Site)?
April, May, June, September and October offer the most comfortable conditions in Grand Canyon (UNESCO World Heritage Site), which has a semi-arid climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Grand Canyon (UNESCO World Heritage Site) in?
Grand Canyon (UNESCO World Heritage Site) observes America/Phoenix (UTC-07:00). The local time is 12:48 AM.
What is the nearest airport to Grand Canyon (UNESCO World Heritage Site)?
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 (UNESCO World Heritage Site)?
Popular options include Grand Canyon National Park, Colorado River, Havasu Falls, Horseshoe Bend, Antelope Canyon and Lake Powell.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (unesco-sites) - 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 September 21, 2026 at 12:48 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
