Park climate1991–2020 climate normals48 m source elevationNASA POWER

Atmospheric data for a representative location within the protected landscape of the Isle of Lewis.

Isle of Lewis: monthly climate

Name: Isle of Lewis monthly climate normals
Creator: NASA POWER

At the representative location for Isle of Lewis, monthly mean temperatures range from 5.6 to 13.6 °C (1991–2020). Compare precipitation, humidity, wind, and daylight for each month.

View park overview Browse climate zones

An illustration showing a small group of stone cottages with thatched roofs at the base of grassy, rocky cliffs; a tiered waterfall flows down the cliffside toward a sandy beach and the sea under a clear sky.

Annual climate pattern

Long-term monthly temperature averages and daily precipitation rates across the calendar year

Isle of Lewis Annual Climate Normals and Monthly Temperature Rhythms

Average monthly temperatures on the Isle of Lewis range from a low in winter months to a peak in mid-year, with mean values moving steadily between 5.55 degrees Celsius and 13.56 degrees Celsius. Average daily precipitation rates accompany these thermal shifts using climatology records sampled from a single representative park coordinate.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 9.1 °C
Warmest month: August
Coolest month: February
Wettest month: January

Twelve-month climate

Long-term normals for temperature bounds, daily precipitation, wind speed, humidity, and daylight hours

Isle of Lewis Monthly Climate Comparison Across Twelve Calendar Months

Systematic month-by-month records for Isle of Lewis reveal the full annual progression of average minimum, mean, and maximum temperatures alongside average daily precipitation rates. Examining these twelve baseline metrics across a representative coordinate clarifies long-term meteorological patterns in humidity, wind speed, and calculated daylight duration throughout the year.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	5.8 °C1.7° to 10.1°	5 mm/day	84.9%	9.9 m/s	6.9 hours
February	5.6 °C1.3° to 9.5°	4.4 mm/day	84.2%	9.7 m/s	9 hours
March	6.1 °C1.7° to 10.1°	3.8 mm/day	84.1%	8.8 m/s	11.5 hours
April	7.5 °C2.9° to 12.4°	3 mm/day	83.5%	7.7 m/s	14.1 hours
May	9.5 °C4.7° to 16.2°	2.8 mm/day	82.6%	6.9 m/s	16.5 hours
June	11.7 °C7.5° to 17.5°	3.2 mm/day	83.9%	6.6 m/s	17.8 hours
July	13.4 °C9.5° to 18.9°	3.7 mm/day	85.2%	6.3 m/s	17.2 hours
August	13.6 °C9.8° to 18.3°	4 mm/day	85.3%	6.7 m/s	15 hours
September	12.3 °C8.2° to 16.7°	4.1 mm/day	85.4%	7.7 m/s	12.4 hours
October	10.1 °C5.8° to 14.2°	4.9 mm/day	84.8%	8.6 m/s	9.8 hours
November	7.9 °C3.5° to 12.1°	4.8 mm/day	84.6%	9.1 m/s	7.5 hours
December	6.3 °C2.1° to 10.9°	4.9 mm/day	84.4%	9.3 m/s	6.2 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: February: 5.6 °C; August: 13.6 °C; Change from February to August: +8 °C
Precipitation: February: 4.4 mm/day; August: 4 mm/day; Change from February to August: -0.4 mm/day
Daylight: February: 9 hours; August: 15 hours; Change from February to August: +6 hours

Calculated climate highlights

Comparative analysis of temperature, precipitation, humidity, wind, and daylight across twelve monthly normals

Isle of Lewis Monthly Climate Highlights: Warmest, Coolest, and Wettest Averages

Calculated monthly comparisons highlight the highest and lowest baseline averages for temperature, precipitation, humidity, wind, and daylight across the sampled coordinate on Isle of Lewis. These long-term climatology metrics summarize annual patterns without reflecting specific weather records or localized conditions.

Warmest month: August13.6 °C
Coolest month: February5.6 °C
Wettest month: January5 mm/day
Driest month: May2.8 mm/day
Most humid month: September85.4%
Windiest month: January9.9 m/s
Longest daylight: June17.8 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 weather normals and atmospheric patterns across diverse regional landscapes

Comparing Isle of Lewis Climate Profiles With Other Protected Areas

Examine long-term monthly temperature, precipitation, humidity, wind, and daylight records across diverse protected landscapes and geographic settings. Standardized meteorological tracking reveals broad atmospheric contrast between regional park environments.