Summer Weather in Peak District National Park United Kingdom

Daily high temperatures are around 62°F, rarely falling below 51°F or exceeding 75°F. The highest daily average high temperature is 65°F on July 26.

Daily low temperatures increase by 4°F, from 45°F to 49°F, rarely falling below 39°F or exceeding 57°F. The highest daily average low temperature is 51°F on July 31.

For reference, on July 25, the hottest day of the year, temperatures in Peak District National Park typically range from 51°F to 65°F, while on February 7, the coldest day of the year, they range from 32°F to 41°F.

The figure below shows you a compact characterization of the hourly average summer temperatures. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

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The summer in Peak District National Park experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 55% to 50%. The lowest chance of overcast or mostly cloudy conditions is 46% on July 21.

The clearest day of the summer is July 21, with clear, mostly clear, or partly cloudy conditions 55% of the time.

For reference, on December 25, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 74%, while on July 21, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 55%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Peak District National Park, the chance of a wet day over the course of the summer is essentially constant, remaining around 29% throughout.

For reference, the year's highest daily chance of a wet day is 37% on November 3, and its lowest chance is 24% on April 24.

Rainfall

To show variation within the season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the summer in Peak District National Park is essentially constant, remaining about 2.0 inches throughout, and rarely exceeding 3.5 inches or falling below 0.7 inches.

Over the course of the summer in Peak District National Park, the length of the day is very rapidly decreasing. From the start to the end of the season, the length of the day decreases by 2 hours, 55 minutes, implying an average daily decrease of 1 minute, 55 seconds, and weekly decrease of 13 minutes, 27 seconds.

The shortest day of the summer is August 31, with 13 hours, 44 minutes of daylight and the longest day is June 21, with 17 hours, 0 minutes of daylight.

The earliest sunrise of the summer in Peak District National Park is 4:38 AM on June 17 and the latest sunrise is 1 hour, 36 minutes later at 6:14 AM on August 31.

The latest sunset is 9:39 PM on June 24 and the earliest sunset is 1 hour, 40 minutes earlier at 7:59 PM on August 31.

Daylight saving time is observed in Peak District National Park during 2026, but it neither starts nor ends during the summer, so the entire season is in daylight saving time.

For reference, on June 21, the longest day of the year, the Sun rises at 4:38 AM and sets 17 hours, 0 minutes later, at 9:39 PM, while on December 21, the shortest day of the year, it rises at 8:20 AM and sets 7 hours, 30 minutes later, at 3:50 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for the summer of 2026. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Peak District National Park is essentially constant during the summer, remaining around 0% throughout.

For reference, on July 29, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Peak District National Park is essentially constant during the summer, remaining within 0.3 miles per hour of 9.9 miles per hour throughout.

For reference, on January 6, the windiest day of the year, the daily average wind speed is 13.5 miles per hour, while on August 3, the calmest day of the year, the daily average wind speed is 9.6 miles per hour.

The lowest daily average wind speed during the summer is 9.6 miles per hour on August 3.

The hourly average wind direction in Peak District National Park throughout the summer is predominantly from the west, with a peak proportion of 50% on July 3.

Peak District National Park is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature in Peak District National Park is increasing during the summer, rising by 7°F, from 54°F to 62°F, over the course of the season.

The highest average surface water temperature during the summer is 62°F on August 13.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season in Peak District National Park typically lasts for 6.0 months (183 days), from around April 27 to around October 27, rarely starting before April 7 or after May 17, and rarely ending before October 3 or after November 18.

The summer in Peak District National Park is reliably fully within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Peak District National Park are rapidly increasing during the summer, increasing by 649°F, from 119°F to 769°F, over the course of the season.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Peak District National Park is decreasing during the summer, falling by 1.4 kWh, from 5.7 kWh to 4.3 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the summer is 6.1 kWh on July 1.

For the purposes of this report, the geographical coordinates of Peak District National Park are 53.350 deg latitude, -1.833 deg longitude, and 1,037 ft elevation.

The topography within 2 miles of Peak District National Park contains very significant variations in elevation, with a maximum elevation change of 1,234 feet and an average elevation above sea level of 1,247 feet. Within 10 miles also contains very significant variations in elevation (1,821 feet). Within 50 miles contains very significant variations in elevation (2,224 feet).

The area within 2 miles of Peak District National Park is covered by grassland (72%) and shrubs (21%), within 10 miles by grassland (53%) and herbaceous vegetation (18%), and within 50 miles by cropland (36%) and grassland (35%).