Park climate1991–2020 climate normals408 m source elevationNASA POWER

Detailed atmospheric measurements for a representative coordinate across the 1991 to 2020 period.

Mendocino National Forest Annual Climate Profile: Monthly Temperature and Precipitation Normals

Name: Mendocino National Forest monthly climate normals
Creator: NASA POWER

Explore the multi-decade climate averages for Mendocino National Forest, California, based on NASA POWER data. This profile outlines monthly variations in temperature, precipitation rates, relative humidity, wind speed, and daylight duration. Measurements represent a single site coordinate to provide consistent, long-term observational records rather than current weather forecasts or regional generalizations.

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An illustration showing a mountain landscape with coniferous trees, a prominent rocky cliff on the left, and distant snow-capped peaks under a soft sun.

Annual climate pattern

Long term monthly averages tracking twelve month thermal ranges and daily precipitation rates

Mendocino National Forest Annual Climate Normals: Monthly Temperature and Precipitation Patterns

Average temperatures across Mendocino National Forest move from winter lows near freezing to midsummer maximums exceeding forty degrees Celsius across the twelve monthly periods. Corresponding average daily precipitation rates shift from winter peaks down to minimal levels during the warmest summer months based on historical coordinate records.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 15.7 °C
Warmest month: July
Coolest month: December
Wettest month: December

Twelve-month climate

Compare average temperature bounds, daily precipitation rates, humidity, wind, and calculated daylight across the calendar year.

Mendocino National Forest Weather by Month: Complete Twelve-Month Climate Normals

Long-term climatology data from the 1991 to 2020 baseline enables precise tracking of average temperature bounds and daily precipitation rates across all twelve calendar months. Evaluating relative humidity, wind speed, and calculated daylight hours alongside thermal shifts reveals the complete annual cycle at a representative coordinate.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	6.5 °C-1.8° to 16.9°	4.9 mm/day	81.3%	2.9 m/s	9.6 hours
February	7.7 °C-1.3° to 18.3°	5 mm/day	80.2%	3.1 m/s	10.5 hours
March	9.7 °C-0.3° to 21.9°	3.6 mm/day	77.1%	3.1 m/s	11.7 hours
April	12.3 °C0.9° to 26.4°	1.7 mm/day	70.7%	3.1 m/s	13.1 hours
May	17.4 °C4.5° to 33°	1.1 mm/day	59.7%	2.9 m/s	14.2 hours
June	23.1 °C8.5° to 40°	0.4 mm/day	41.9%	3 m/s	14.8 hours
July	27.7 °C13.5° to 43°	0.1 mm/day	28.3%	2.5 m/s	14.5 hours
August	26.7 °C13.2° to 42.1°	0.1 mm/day	27.2%	2.4 m/s	13.5 hours
September	23.5 °C10.2° to 39.1°	0.2 mm/day	30.6%	2.6 m/s	12.2 hours
October	17.2 °C5.5° to 33.3°	1.2 mm/day	43.8%	3 m/s	10.9 hours
November	10.2 °C0.3° to 24.7°	2.7 mm/day	66%	2.9 m/s	9.8 hours
December	6.3 °C-2° to 17.3°	5.1 mm/day	78.8%	3.1 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: December: 6.3 °C; July: 27.7 °C; Change from December to July: +21.4 °C
Precipitation: December: 5.1 mm/day; July: 0.1 mm/day; Change from December to July: -5 mm/day
Daylight: December: 9.3 hours; July: 14.5 hours; Change from December to July: +5.2 hours

Calculated climate highlights

Temperature, precipitation, humidity, wind, and daylight contrasts derived from long-term records

Mendocino National Forest Calculated Monthly Climate Highlights and Normals

Calculated monthly averages isolate the warmest, coolest, wettest, and driest periods derived from stored climatology records for a single representative coordinate. Comparing these baseline values establishes the primary seasonal shifts across temperature, precipitation, humidity, wind, and daylight duration without representing actual weather extremes.

Warmest month: July27.7 °C
Coolest month: December6.3 °C
Wettest month: December5.1 mm/day
Driest month: July0.1 mm/day
Most humid month: January81.3%
Windiest month: December3.1 m/s
Longest daylight: June14.8 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

Analyze monthly temperature, precipitation, and daylight rhythms across diverse protected landscapes

Comparing Mendocino National Forest Climate Profiles with Other Protected Areas

Standardized monthly climate normals allow researchers to examine annual temperature cycles and precipitation rhythms across distinct protected landscapes. Contrasting long-term atmospheric records reveals geographic variation in humidity, wind, and daylight patterns without implying direct climatic equivalence.