Park climate1991–2020 climate normals1,819 m source elevationNASA POWER

Atmospheric data for humidity, wind speed, and daylight duration at a representative site.

Arches National Park: monthly climate

Name: Arches National Park monthly climate normals
Creator: NASA POWER

At the representative location for Arches National Park, monthly mean temperatures range from -1.9 to 25.2 °C (1991–2020). Compare precipitation, humidity, wind, and daylight for each month.

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Annual climate pattern

Analyzing the relationship between monthly thermal ranges and daily precipitation rates across the calendar

Annual Temperature Cycles and Precipitation Normals in Arches National Park

Long term averages indicate a wide annual thermal swing, rising from a January mean of minus 1.87 degrees Celsius to a July mean of 25.23 degrees Celsius. Average daily precipitation ranges from a low of 0.44 millimeters in June to 1.15 millimeters in September, based on thirty years of data collected at a representative elevation of 1819 meters.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 10.7 °C
Warmest month: July
Coolest month: January
Wettest month: September

Twelve-month climate

Analyze long-term temperature bounds, average daily precipitation, and calculated daylight across the calendar year.

Arches National Park Monthly Climate and Twelve-Month Weather Normals

Historical climate normals from the 1991 to 2020 baseline at a representative coordinate provide a structured framework for evaluating average minimum, mean, and maximum temperatures throughout the year. Comparing the monthly thermal bounds alongside average daily precipitation rates, relative humidity, wind speed, and calculated daylight hours reveals the full progression of regional patterns.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	-1.9 °C-13.9° to 9.7°	0.9 mm/day	66.6%	2.9 m/s	9.6 hours
February	0.4 °C-11.3° to 13.3°	0.9 mm/day	60.5%	3.4 m/s	10.5 hours
March	4.9 °C-7.9° to 19.6°	0.9 mm/day	51.6%	3.7 m/s	11.7 hours
April	8.8 °C-5.1° to 24.5°	0.9 mm/day	45.5%	4.1 m/s	13 hours
May	14.9 °C-0.6° to 30.2°	0.8 mm/day	39%	3.9 m/s	14.1 hours
June	21.5 °C5.6° to 35.4°	0.4 mm/day	28.2%	4 m/s	14.7 hours
July	25.2 °C12.5° to 37.2°	1 mm/day	32.8%	3.2 m/s	14.4 hours
August	23.5 °C11.7° to 35.2°	1.1 mm/day	37.8%	3 m/s	13.5 hours
September	18.4 °C3.4° to 32.3°	1.2 mm/day	38%	3.3 m/s	12.2 hours
October	10.5 °C-4.6° to 26.2°	1.1 mm/day	44.2%	3.3 m/s	10.9 hours
November	3.2 °C-9° to 18.1°	0.8 mm/day	53.1%	3.2 m/s	9.9 hours
December	-1.7 °C-13.6° to 10.8°	0.8 mm/day	63.8%	3 m/s	9.3 hours

Compare two months

See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.

First month

Second month

Mean temperature: January: -1.9 °C; July: 25.2 °C; Change from January to July: +27.1 °C
Precipitation: January: 0.9 mm/day; July: 1 mm/day; Change from January to July: +0.1 mm/day
Daylight: January: 9.6 hours; July: 14.4 hours; Change from January to July: +4.8 hours

Calculated climate highlights

Identifying annual highs and lows in temperature, average precipitation, and daylight duration

Warmest, Coolest, and Wettest Monthly Averages for Arches National Park

Long-term monthly averages from a representative coordinate at 1819 meters show how temperature, humidity, and wind speed vary throughout Arches National Park. Comparing calculated monthly maxima and minima, such as the warmest averages in July or the lowest precipitation rates in June, highlights baseline trends instead of short-term weather extremes.

Warmest month: July25.2 °C
Coolest month: January-1.9 °C
Wettest month: September1.2 mm/day
Driest month: June0.4 mm/day
Most humid month: January66.6%
Windiest month: April4.1 m/s
Longest daylight: June14.7 hours

Interactive climate map

National park climate map

Open the climate map to compare monthly temperature, precipitation, and other averages.

Global National Park Climate Map

Other park climates

Evaluate long term monthly temperature and precipitation data across diverse geographic settings

Compare the Climate of Arches National Park with Other Protected Landscapes

Standardized climate profiles for additional national parks and regional reserves offer a structured path to analyze atmospheric differences beyond the borders of Utah. Contrasting monthly baselines for temperature, precipitation, wind, and daylight reveals the immense environmental diversity across different conservation zones.

Climate profileUnited States of America