Park climate1991–2020 climate normals1,258 m source elevationNASA POWER

Twelve month record of temperature, humidity, wind, and daylight averages at representative coordinates

Ross Lake National Recreation Area Monthly Climate Normals, Temperature, and Precipitation

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

Annual climate patterns for Ross Lake National Recreation Area emerge through a month by month comparison of temperature, precipitation, humidity, and wind. Data spans the 1991 to 2020 climatology period derived from a single representative point. These measurements provide a long term baseline for understanding atmospheric conditions rather than current forecasts or localized weather events across the entire recreation area.

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A stylized digital illustration of a mountain range with snowy peaks, a central waterfall flowing into a blue lake, and a foreground of coniferous trees and grassy hills at sunrise.

Annual climate pattern

Long-term monthly temperature averages and daily precipitation rates across the twelve-month cycle

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

Average minimum, mean, and maximum temperatures track a twelve-month thermal cycle spanning from winter lows to mid-summer highs at the sampled coordinate. Average daily precipitation rates accompany this temperature progression across the long-term climatology record.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 3 °C
Warmest month: August
Coolest month: December
Wettest month: November

Twelve-month climate

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

Ross Lake National Recreation Area Monthly Climate and Weather Patterns Across Twelve Months

Evaluation of average minimum and maximum temperatures alongside daily precipitation rates provides a complete climatological baseline for Ross Lake National Recreation Area. Tracking relative humidity, wind speed, and calculated daylight hours across all twelve months reveals the full scope of long-term environmental conditions at this representative coordinate.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	-4.8 °C-19.2° to 1.6°	7.9 mm/day	96.6%	2 m/s	8.6 hours
February	-4.6 °C-18.1° to 2.1°	5.8 mm/day	96.4%	1.8 m/s	9.9 hours
March	-2.6 °C-14.7° to 3.4°	5.9 mm/day	96%	1.7 m/s	11.6 hours
April	0.1 °C-10.5° to 8.5°	4.1 mm/day	92.3%	1.5 m/s	13.5 hours
May	5.8 °C-4.5° to 19.4°	3.1 mm/day	83%	1.4 m/s	15.1 hours
June	9.7 °C0.4° to 23.7°	2.7 mm/day	80.1%	1.5 m/s	15.9 hours
July	13.2 °C3.6° to 26.9°	1.4 mm/day	77.8%	1.4 m/s	15.5 hours
August	13.2 °C3.5° to 26.8°	1.5 mm/day	76.8%	1.4 m/s	14.1 hours
September	9.9 °C-0.8° to 24.4°	2.7 mm/day	77.3%	1.4 m/s	12.3 hours
October	3.8 °C-6.6° to 17.6°	5.9 mm/day	85.5%	1.6 m/s	10.5 hours
November	-1.8 °C-14.8° to 7.1°	9 mm/day	94.3%	1.8 m/s	8.9 hours
December	-5.4 °C-19.6° to 1.5°	7.9 mm/day	97.1%	2 m/s	8.1 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: -5.4 °C; August: 13.2 °C; Change from December to August: +18.6 °C
Precipitation: December: 7.9 mm/day; August: 1.5 mm/day; Change from December to August: -6.4 mm/day
Daylight: December: 8.1 hours; August: 14.1 hours; Change from December to August: +6 hours

Calculated climate highlights

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

Ross Lake National Recreation Area Calculated Monthly Climate Highlights and Extremes

Calculated monthly normals identify the warmest, coolest, wettest, and windiest periods derived from long-term climatology records at a representative coordinate. These comparative markers summarize annual environmental patterns without establishing absolute weather extremes or local forecasts.

Warmest month: August13.2 °C
Coolest month: December-5.4 °C
Wettest month: November9 mm/day
Driest month: July1.4 mm/day
Most humid month: December97.1%
Windiest month: December2 m/s
Longest daylight: June15.9 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

Examine monthly temperature, precipitation, and daylight patterns across distinct protected landscapes.

Compare Ross Lake National Recreation Area Climate Profiles with Other Protected Areas

Systematic month-by-month reviews allow observers to evaluate annual temperature cycles and precipitation rhythms across different geographic settings. Standardized meteorological normals highlight atmospheric variation between wildlands without implying direct weather equivalence or shared environmental conditions.