Keswick (Lake District) weather in July

July in Keswick: nice, rainy, with clean air — fine if you can take 18 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Keswick🇬🇧 United Kingdom · British Isles · Trekking87
  1. 56Jan
  2. 61Feb
  3. 71Mar
  4. 81Apr
  5. 90May
  6. 89Jun
  7. 87Jul
  8. 83Aug
  9. 78Sep
  10. 68Oct
  11. 60Nov
  12. 53Dec

#3 of 12 months in Keswick · #387 of 1413 destinations to visit in July · comfort 87/100 (tier A)

Days
20°C
Nights
12°C
Wet days
18
Sun
9.9 h
Humidity
83%
Daylight
17 h
Keswick, United Kingdom
Photo: Rodion Kutsaiev · Pexels

Traveller notes on Keswick in July

Notes from nearby Douglas (100 km away)

Keswick doesn't have its own notes for July yet — these are about Douglas, close enough to share the season.

Douglas forum regulars keep July's temperature claim modest by UK standards: “the average maximum temperature for July in Douglas is only 18°C,” notably cooler than much of mainland Britain — not very hot even in high summer. The island's small size and mid-sea position make the forecast genuinely unreliable — “sunny one side of the island and rain on the other,” and booking a June-August trip is called “pretty much a lucky dip as to what weather you will get.” The deceptive part regulars flag specifically: sun here can still burn even when it doesn't feel very hot, so sunscreen matters regardless of the temperature reading. Even boat operators won't commit to firm plans given how fast conditions can turn. Our record: 16.1°C days, 14°C nights, 12.2 rain days, a 31.2kph wind and a 15°C sea — cool, wet and genuinely windy, matching the “lucky dip, cooler than the mainland” read.
Tripadvisor community · July · 1 month ago · about Douglas · Read more on Tripadvisor ↗

Other months in Keswick

Keswick-forum threads on likely late-February weather describe the honest answer as genuinely anything, posters calling temperatures a touch above freezing with cloud and some rain the most probable outcome, though recent years have swung as far as full snow cover below minus ten and, other years, sunny days above ten. Regulars call February the peak month locally for the likelihood of snow, though posters note rain remains the more probable single-day outcome. Posters describe daylight as genuinely limited, running from around half seven to five, the sun often dropping before official sunset behind the fells. Regulars call the Lake District's microclimates real, rain in the southern lakes compatible with sun in the north the same day. Posters recommend basing along the central corridor between Ambleside and Keswick, the one road that almost always stays open. The record: 8.4C days feeling like 4C, 2.7C nights, an extraordinarily high 138.4mm across 17 days and 87 percent humidity.
KeswickFebruaryRegular · February · 1 month ago · Read more on Tripadvisor ↗
Keswick-forum threads comparing late October and early April describe the two as surprisingly similar in unpredictability, posters calling neither month a real guarantee of settled weather. Regulars describe April as capable of genuine extremes, one visitor recalling a year where April broke records for both heat and, separately, cold and rain. Posters call six inches of snow at higher spots like Skiddaw House entirely possible even while daffodils bloom in sunshine a few miles away at valley level. Regulars recommend real layers and a proper waterproof regardless of forecast, the high fells capable of turning genuinely dangerous for anyone underprepared. Posters call bright spells a real possibility even on an otherwise grey day, weather shifting fast enough to reward patience. Regulars recommend checking a same-day forecast rather than trusting anything issued days out. The record: 12.7C days feeling like 10C, 3.7C nights, 76.3mm across over 12 days and 79 percent humidity.
KeswickAprilRegular · April · 1 month ago · Read more on Tripadvisor ↗
Keswick-forum threads on rainy days confirm real precipitation is a standing feature of a January visit, posters calling the forecast changeable enough to shift radically within the same day, let alone across a week. Regulars describe conditions as capable of running cold and clear with frost but no real accumulation, or mild, wet and genuinely windy, both entirely plausible in the same month. Posters call any snow that does fall as typically confined to higher ground, rarely settling for long at lake level or in town. Regulars recommend Keswick or Ambleside as the sensible base, both offering real indoor options like museums and theatre for a washout day. Posters call the Derwent Water circular and shorter walks to Catbells and Latrigg worth doing even in imperfect conditions. Regulars recommend an hourly forecast over anything issued days out. The record: 7.5C days feeling like 4C, 1.8C nights, an extraordinarily high 134.8mm across over 15 days and 90 percent humidity.
KeswickJanuaryRegular · January · 1 month ago · Read more on Tripadvisor ↗
Keswick-forum threads on September weather are direct conditions here genuinely can go either way, early-month stretches sometimes delivering still, settled days while other years bring a properly unsettled run, nothing guaranteed. Posters call the fells a real factor for hikers, conditions at higher elevation running noticeably harsher than the valley floor, a proper fleece, gloves and a warm hat standing advice even for a lunch stop. Regulars are consistent layering is the only real strategy that works, outer layers needing to be genuinely waterproof rather than just warm given how often a shower rolls through. Posters call September on average a reasonably favorable month by Lake District standards, though individual trips can land on either extreme. Regulars recommend checking a specialist mountain forecast before any serious fell walk. The record: 17.3C days feeling like 16C, 9.1C nights, an extraordinarily high 178mm across nearly 18 days and 85 percent humidity.
KeswickSeptemberRegular · September · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Keswick's card on the map.

Keswick climate normals — July

Daytime high20°C / 68°F😎 nice
Nighttime low12°C / 53°F
Feels like (high)20°C / 68°F
Rainfall117 mm / 4.6 in🌧 rainy
Rainy days18 days
Humidity83%💦 very humid
Dew point12°C / 53°F
Sunshine9.9 h/day
Daylight16.6 h
Wind18 km/h / 11 mph
Air quality (US AQI)30🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Keswick in July

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsEnglish school holidays, Summer holidays in United Kingdom, school holidays in 6 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Keswick's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherKeswick's weather peaks May–July.

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Best weatherFair weatherToughest weather

What's on in Keswick in July

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Derwentwater launch season

    20 Mar – 1 Nov · usuallySummer season opensClosures

    The launches round the lake run a full timetable from spring to the end of October and a skeleton one after. The jetties for Catbells and Lodore are how most people get to those walks. Source ↗

  • Holiday

    English school holidays

    18 Jul – 1 SepCrowdedBook early

    The Borrowdale road and every car park south of the town are full by ten through August, and the Keswick Launch queues with them. The high fells absorb it better than the lakeshore does. Source ↗

What's on around the world in July →

Nearby, and something's on

Within 300 km of Keswick — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Keswick?

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Keswick in July — FAQ

Is July a good time to visit Keswick?
July in Keswick: nice, rainy, with clean air — fine if you can take 18 rainy days. It ranks #3 of 12 months for Keswick on SeasonMap's comfort score (87/100).
What is the weather like in Keswick in July?
In July, Keswick averages a daily high of 19.9°C and a low of 11.5°C, with about 117.3 mm of rain over roughly 18 rainy days.
What is the air quality in Keswick in July?
Keswick has a mean US Air Quality Index of about 30 in July.

Within 300 km: Manchester's Manchester International Festival around 25 Jun – 20 Jul, and Edinburgh's Seabird season on the Forth around 10 Apr – 25 Jul.