Park climate1991–2020 climate normals725 m source elevationNASA POWER

Long-term averages for temperature, precipitation, humidity, wind, and daylight cycles

Monthly Climate Normals for Lake Mead National Recreation Area: 1991 to 2020 Atmospheric Data

Name: Lake Mead National Recreation Area monthly climate normals
Creator: NASA POWER

Detailed monthly climate normals for Lake Mead National Recreation Area provide a representative twelve-month profile based on NASA POWER measurements from 1991 to 2020. These long-term averages track mean, minimum, and maximum temperatures alongside precipitation rates, relative humidity, wind speed, and daylight hours. The data represents a single fixed coordinate, documenting established annual atmospheric rhythms independent of current weather conditions, forecasts, or localized terrain variations within the broader landscape.

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A flat-style vector illustration depicting a wide river flowing between rocky canyon cliffs with a concrete dam visible in the distance under a sunlit sky.

Annual climate pattern

Comparing twelve months of average minimum, mean, and maximum temperatures alongside daily precipitation rates

Lake Mead National Recreation Area Annual Climate Normals and Monthly Temperature Patterns

Monthly average temperatures span from winter lows in December and January to midsummer peaks in July, charting long-term thermal progression across the coordinate. Average daily precipitation rates accompany these temperature records, summarizing multiyear NASA Power climatology data for the area.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 19.5 °C
Warmest month: July
Coolest month: December
Wettest month: February

Twelve-month climate

Long-term monthly temperature bounds, average daily precipitation, and daylight tracking across the calendar year

Lake Mead National Recreation Area Twelve Month Climate and Weather Normal Records

Comparing average minimum, mean, and maximum temperatures alongside average daily precipitation rates reveals complete annual climate normals across twelve distinct months. Evaluating relative humidity, wind speed, and calculated daylight hours at a representative coordinate provides structured climatological context.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	7.5 °C-2.9° to 20.4°	0.7 mm/day	47.7%	3.6 m/s	9.9 hours
February	9.7 °C-2° to 23.4°	1 mm/day	45%	3.6 m/s	10.7 hours
March	13.8 °C0.4° to 28.6°	0.6 mm/day	38.9%	3.9 m/s	11.8 hours
April	17.9 °C4.1° to 34.1°	0.3 mm/day	30.2%	4.3 m/s	12.9 hours
May	23.7 °C8.6° to 38.9°	0.2 mm/day	23.6%	4.2 m/s	13.9 hours
June	29.7 °C13.7° to 43.5°	0.1 mm/day	15.8%	4.3 m/s	14.4 hours
July	33 °C20.6° to 45.1°	0.5 mm/day	21.5%	3.7 m/s	14.2 hours
August	32.1 °C19.8° to 43.6°	0.5 mm/day	23.5%	3.5 m/s	13.3 hours
September	27.6 °C13.4° to 40.6°	0.4 mm/day	24.2%	3.4 m/s	12.2 hours
October	20 °C6.3° to 34.9°	0.4 mm/day	27.6%	3.5 m/s	11 hours
November	12.3 °C-0.5° to 27.2°	0.4 mm/day	35.7%	3.5 m/s	10.1 hours
December	7 °C-3.3° to 20.2°	0.5 mm/day	45.5%	3.6 m/s	9.6 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: December: 7 °C; July: 33 °C; Change from December to July: +26.1 °C
Precipitation: December: 0.5 mm/day; July: 0.5 mm/day; Change from December to July: 0 mm/day
Daylight: December: 9.6 hours; July: 14.2 hours; Change from December to July: +4.6 hours

Calculated climate highlights

Comparative monthly averages for temperature, precipitation, wind, humidity, and daylight duration

Lake Mead National Recreation Area Monthly Climate Highlights and Calculated Normals

Calculated monthly highlights summarize long-term climatology normals across the representative coordinate for Lake Mead National Recreation Area without reflecting observed weather records or localized variations. Comparing these baseline figures provides a structured overview of annual patterns in temperature, precipitation rates, humidity, wind speeds, and daylight hours.

Warmest month: July33 °C
Coolest month: December7 °C
Wettest month: February1 mm/day
Driest month: June0.1 mm/day
Most humid month: January47.7%
Windiest month: June4.3 m/s
Longest daylight: June14.4 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

Explore monthly climate normals and atmospheric patterns across diverse protected landscapes.

Beyond Lake Mead National Recreation Area: Compare Other National Park Climate Profiles

Standardized monthly climate comparisons reveal distinct atmospheric rhythms and temperature trajectories across different protected landscapes. Analyzing long-term meteorological normals alongside humidity and precipitation data provides broader geographical context for regional environments.