Park climate1991–2020 climate normals94 m source elevationNASA POWER

Long-term averages for temperature, precipitation, humidity, and daylight patterns

Dartmoor National Park: monthly climate

Name: Dartmoor monthly climate normals
Creator: NASA POWER

At the representative location for Dartmoor National Park, monthly mean temperatures range from 6.1 to 16.3 °C (1991–2020). Compare precipitation, humidity, wind, and daylight for each month.

View park overview Browse climate zones

Illustration of a tall standing stone in Dartmoor's grassy moorland with a river and rocky tors under a partly cloudy sky

Annual climate pattern

Comparing twelve months of long term average thermal ranges and daily precipitation trends.

Dartmoor National Park Climate Atlas: Annual Temperature and Precipitation Patterns

Average temperatures in Dartmoor peak in August with a mean of 16.27 degrees Celsius, while February represents the coolest period with average minimums dipping to minus 0.13 degrees Celsius. Average daily precipitation ranges from a low of 2.18 millimeters in May to a high of 4.11 millimeters in December, based on climatology data from a representative coordinate at 94 meters elevation.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 10.8 °C
Warmest month: August
Coolest month: February
Wettest month: December

Twelve-month climate

Comparing average monthly temperature bounds, daily precipitation, humidity, and calculated daylight.

Dartmoor National Park Weather by Month: Long Term Monthly Climate Normals

Analyzing monthly climatology records from the 1991 to 2020 baseline reveals how average temperature bounds, daily precipitation rates, and calculated average daylight hours vary systematically across the year in Dartmoor. Comparing these twelve monthly datasets alongside relative humidity and wind speed at a representative coordinate highlights seasonal shifts that a single annual average cannot capture.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	6.4 °C0.2° to 11.7°	3.6 mm/day	90.8%	7.1 m/s	8.3 hours
February	6.1 °C-0.1° to 11.5°	3.1 mm/day	90%	6.7 m/s	9.8 hours
March	7.2 °C1° to 13.2°	2.6 mm/day	88.7%	6.2 m/s	11.6 hours
April	8.8 °C2° to 16.3°	2.5 mm/day	85.9%	5.5 m/s	13.6 hours
May	11.6 °C4.9° to 19.2°	2.2 mm/day	84.3%	5.3 m/s	15.3 hours
June	14.2 °C7.8° to 21.2°	2.3 mm/day	84.2%	5 m/s	16.2 hours
July	16.1 °C10.2° to 22.9°	2.3 mm/day	83.7%	4.9 m/s	15.7 hours
August	16.3 °C10.2° to 22.7°	2.7 mm/day	84.1%	5 m/s	14.2 hours
September	14.6 °C8.9° to 20.9°	2.5 mm/day	85.4%	5.4 m/s	12.3 hours
October	12 °C5.8° to 17.8°	3.8 mm/day	87.9%	6.3 m/s	10.4 hours
November	9.2 °C2.7° to 14.7°	4.1 mm/day	90%	6.5 m/s	8.7 hours
December	7.2 °C0.8° to 12.5°	4.1 mm/day	90.9%	6.9 m/s	7.8 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: February: 6.1 °C; August: 16.3 °C; Change from February to August: +10.1 °C
Precipitation: February: 3.1 mm/day; August: 2.7 mm/day; Change from February to August: -0.4 mm/day
Daylight: February: 9.8 hours; August: 14.2 hours; Change from February to August: +4.5 hours

Calculated climate highlights

Comparing thirty year averages for temperature, precipitation, wind, and daylight duration.

Dartmoor National Park Monthly Climate Highlights: Warmest to Coolest Averages

Calculated climatology data from a representative Devon coordinate reveals how average temperature, daily precipitation, relative humidity, wind speed, and daylight duration fluctuate throughout the year. Comparing calculated monthly-average benchmarks helps observers distinguish baseline seasonal patterns from localized daily weather extremes or specific park-wide conditions.

Warmest month: August16.3 °C
Coolest month: February6.1 °C
Wettest month: December4.1 mm/day
Driest month: May2.2 mm/day
Most humid month: December90.9%
Windiest month: January7.1 m/s
Longest daylight: June16.2 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

Analyze monthly temperature and precipitation variations across different national park landscapes

Compare the Climate of Dartmoor with Other National Parks and Protected Landscapes

Evaluating monthly climate normals from Dartmoor alongside other protected areas highlights key geographic and atmospheric differences across diverse regional environments. Comparing long-term temperature, precipitation, humidity, wind, and daylight records provides a standardized way to trace seasonal patterns across mountain, forest, and coastal settings.