Park climate1991–2020 climate normals183 m source elevationNASA POWER

Twelve-month trends for temperature, precipitation, humidity, wind, and daily daylight

Santa Monica Mountains National Recreation Area Monthly Climate Normals and Atmospheric Data

Name: Santa Monica Mountains National Recreation Area monthly climate normals
Creator: NASA POWER

Review comprehensive climate patterns for Santa Monica Mountains National Recreation Area based on NASA POWER measurements from 1991 to 2020. Data reflects monthly averages for temperature, precipitation, humidity, wind speed, and daylight hours at a single representative coordinate. These statistics provide a historical baseline for understanding annual atmospheric rhythms rather than current weather forecasts or real-time conditions.

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A flat, stylized illustration showing a waterfall flowing down between cliffs into a river, surrounded by grassy banks and trees.

Annual climate pattern

Analysis of average monthly temperatures and daily precipitation rates across twelve months

Santa Monica Mountains National Recreation Area Annual Climate Normals and Temperature Patterns

Average minimum, mean, and maximum temperatures track a steady thermal progression across the calendar year at a representative park coordinate. Average daily precipitation rates accompany this temperature cycle using multi-year records from 1991 to 2020.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 17.2 °C
Warmest month: August
Coolest month: January
Wettest month: February

Twelve-month climate

Compare twelve months of average temperature bounds, precipitation rates, humidity, wind, and daylight hours.

Santa Monica Mountains National Recreation Area Weather by Month and Long-Term Climate Patterns

Examine twelve distinct monthly records spanning average minimum and maximum temperatures alongside average daily precipitation rates for Santa Monica Mountains National Recreation Area. Analyzing these long-term climate normals across the full calendar year reveals how temperature bounds, relative humidity, wind speed, and calculated daylight shift at a representative coordinate.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	13.3 °C5.9° to 23.7°	3.4 mm/day	65.4%	4.1 m/s	10 hours
February	13.4 °C6.4° to 23.4°	3.7 mm/day	68.4%	3.8 m/s	10.8 hours
March	14.4 °C7.1° to 24.9°	2.3 mm/day	69.4%	3.5 m/s	11.8 hours
April	15.5 °C8.1° to 27°	0.7 mm/day	67.4%	3.6 m/s	12.9 hours
May	17.1 °C10.6° to 27.8°	0.3 mm/day	69.3%	3.1 m/s	13.8 hours
June	18.9 °C12.4° to 29.8°	0.1 mm/day	68.9%	2.8 m/s	14.2 hours
July	20.9 °C14.5° to 31.6°	0.1 mm/day	67.5%	2.5 m/s	14 hours
August	22.1 °C15.4° to 32.7°	0 mm/day	62.6%	2.5 m/s	13.2 hours
September	21.9 °C14.7° to 33.4°	0.1 mm/day	60.4%	2.6 m/s	12.2 hours
October	19.6 °C12.3° to 31.4°	0.6 mm/day	58.9%	3 m/s	11.1 hours
November	16.3 °C8.6° to 27.9°	0.9 mm/day	58.5%	3.6 m/s	10.2 hours
December	13.4 °C6° to 23.7°	2.3 mm/day	62.3%	4.1 m/s	9.8 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: 13.3 °C; August: 22.1 °C; Change from January to August: +8.7 °C
Precipitation: January: 3.4 mm/day; August: 0 mm/day; Change from January to August: -3.4 mm/day
Daylight: January: 10 hours; August: 13.2 hours; Change from January to August: +3.2 hours

Calculated climate highlights

Comparing long term monthly averages for temperature, precipitation, humidity, wind, and daylight duration

Calculated Monthly Climate Highlights and Extremes for Santa Monica Mountains National Recreation Area

These monthly climate highlights derive from stored climatology records to summarize comparative highs and lows across the sampled coordinate. The dataset reflects long term averages rather than observed weather records or uniform park conditions.

Warmest month: August22.1 °C
Coolest month: January13.3 °C
Wettest month: February3.7 mm/day
Driest month: August0 mm/day
Most humid month: March69.4%
Windiest month: December4.1 m/s
Longest daylight: June14.2 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

Follow twelve-month normals into different protected landscapes

Compare Santa Monica Mountains climate with other complete park profiles

Santa Monica Mountains National Recreation Area anchors a broader comparison of monthly temperature ranges and average daily precipitation in complete park profiles. Relative humidity, wind speed, and daylight duration reveal additional geographic contrast, but suggested candidates are not certified as mountain climate analogues, nearest sites, or equivalent environments.