National park in Missouri

Gateway Arch National Park Clima and Average Tempo

Clima of Gateway Arch National Park: average temperatures, rainfall and seasons month by month.

🌙 27°C now🕔 9:56 PM local📅 Best: agosto, setembro and outubro

Clima in Gateway Arch National Park month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

janfevmarabrmaijunjulagosetoutnovdezLine: average high · Bars: rainfall
MêsMáxima médiaMínima médiaPrecipitaçãoAvaliação
janeiro-6°74 mm★★☆☆☆
fevereiro-1°35 mm★★★☆☆
março17°104 mm★★★☆☆
abril21°11°180 mm★★★☆☆
mai24°14°152 mm★★★★
junho30°20°149 mm★★★★
julho31°22°137 mm★★★★
agosto30°21°56 mm★★★★
setembro28°17°70 mm★★★★
outubro21°11°49 mm★★★★
novembro14°85 mm★★★☆☆
dezembro-0°62 mm★★★☆☆

Clima type: Continenteal. Fonte: Open-Meteo archive (ERA5).

Recent extremes in Gateway Arch National Park

Altoest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.

Hottest day39°Cjun 25, 2024
Coldest night-22°Cjan 14, 2024
Wettest day79 mmjul 9, 2024

How Gateway Arch National Park compares com nearby places

Annual averages, and the difference against Gateway Arch National Park.

PlaceDistanceAvg tempvs hereAnnual rain
St. Louis1 km15°Cabout the same1153 mm
Illinois137 km13°C1°C cooler931 mm
Starved Rock State Park316 km12°C3°C cooler1018 mm
Branson346 km16°C+1°C warmer1115 mm
Indianapolis370 km13°C2°C cooler1119 mm

Melhor época para visitar Gateway Arch National Park

Go in agosto, setembro and outubro. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: janeiro, fevereiro and dezembro – expect the least comfortable mix of heat, cold or rain.

janeiro★★☆☆☆
fevereiro★★★☆☆
março★★★☆☆
abril★★★☆☆
mai★★★★
junho★★★★
julho★★★★
agosto★★★★
setembro★★★★
outubro★★★★
novembro★★★☆☆
dezembro★★★☆☆

What this means for Gateway Arch National Park

Compared com normal

Today is much warmer than average for setembro. The forecast high of 36°C is 8.3°C above the 28°C typical for this month.

Chuva chance explained

A 13% chance means most of the area stays dry; a passing shower is possible but short.

Viagens and driving

No weather-related travel disruption is expected today. Roads and airports should run normally.

Worth knowing

Northern Hemisphere, so peak summer falls in junho a agosto.

Worth knowing

The gap between the warmest and coldest month averages 28°C.

What a pack, what a skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • dom.glasses, a brimmed hat and SPF 30+
Worth avoiding
  • Avoid long hikes after mid-morning; start at dawn or leave it for a cooler day.
  • If your dates are flexible, avoid janeiro, fevereiro and dezembro – historically the least comfortable months here.

Resumo

Gateway Arch National Park is a national park in Missouri. Gateway Arch National Park is a US national park known for the 630 foot stainless steel arch.

Neste momento, a temperatura é de 27°C (80°F) in Gateway Arch National Park com céu limpo. A sensação térmica é de 31°C. Hoje as temperaturas variam de 23°C a 36°C. A probabilidade de precipitação é de 13%. As condições para passeios turísticos têm pontuação de 9.4/10 – excelente — pode sair agora.

A melhor época para visitar Gateway Arch National Park is agosto, setembro and outubro. O clima é continental. janeiro, fevereiro and dezembro costumam ser os meses menos confortáveis. julho é o mês mais quente, com máximas médias próximas de 31°C, enquanto janeiro é o mês mais frio, com mínimas próximas de -6°C.

O principal aeroporto mais próximo é Nashville International Airport (BNA), about 416 km away. Entre os destaques próximos estão Starved Rock State Park and Mammoth Cave National Park.

Em termos simples. Today is much warmer than average for setembro. The forecast high of 36°C is 8.3°C above the 28°C typical for this month. The best window a be outside is roughly 7 AM a 10 AM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Gateway Arch National Park today at 9.6/10. 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 Gateway Arch National Park

TipoNational park
StateMissouri
PaísEstados Unidos
ContinenteAmérica do Norte
Coordenadas38°37′28.9″N 90°11′5.3″W (38.6247, -90.1848)
Established2018
Known forthe 630 foot stainless steel arch
Hora local9:56 PM (UTC-05:00)
Melhores mesesagosto, setembro and outubro
ClimaContinenteal

Tempo map for Gateway Arch National Park

Animated model layers. Pick a layer a load it.

Loading map…

Animated layers by Ventoy. For pin-level detail and nearby places, see the interactive map below.

Explore Gateway Arch National Park

Every topic we hold for this place, and the same topic for the places around it.

Clima for related places

Frequently asked questions

Where is Gateway Arch National Park?

Gateway Arch National Park is a national park in Missouri. Its coordinates are 38.6247, -90.1848. It lies in América do Norte.

What is the weather like in Gateway Arch National Park agora?

It is currently 27°C (80°F) com céu limpo. Humidade is 78% and wind is 6 km/h.

When is the best time a visit Gateway Arch National Park?

agosto, setembro and outubro offer the most comfortable conditions in Gateway Arch National Park, which has a continental climate. janeiro, fevereiro and dezembro are usually the hardest months for outdoor plans.

What time zone is Gateway Arch National Park in?

Gateway Arch National Park observes America/Chicago (UTC-05:00). The hora local is 9:56 PM.

What is the nearest airport a Gateway Arch National Park?

The closest airports are Nashville International Airport (BNA), 416 km away and O'Hare International Airport (ORD), 420 km away.

What are the top things a do in Gateway Arch National Park?

Popular options include Starved Rock State Park and Mammoth Cave National Park.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (national-parks) – coordinates, hierarchy and facts.
Previsão and observationsOpen-Meteo (ECMWF and national models).
Qualidade do ar and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Clima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Tempo Service.
MethodScores, 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 setembro 17, 2026 at 9:56 PM hora local. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

More from Davil Hofile