Preston weather in August

In August, Preston has daytime highs averaging 18 °C, nights around 13 °C, with 17 wet days. Figures are 1991–2020 climate normals.

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May 11°
  6. Jun 14°
  7. Jul 16°
  8. Aug 15°
  9. Sep 13°
  10. Oct 11°
  11. Nov
  12. Dec

Daily temperatures through August

16°22°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 19.7 °C and lows bottom out at 11.2 °C.

How August develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 August18.9 °C12.9 °C50 %
11–20 August18.5 °C12.8 °C60 %
21–31 August17.6 °C12.0 °C52 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in August. Wettest date over the 30 years: August 19, at 70 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical August Share of the month
Days above 25 °C 0.9 of 31 3 %
Days above 30 °C 0 of 31 0 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 17 of 31 54 %

Conditions in August

MeasureAverage
Mean temperature 15 °C
Record high (1991–2020) 29 °C
Record low (1991–2020) 5.2 °C
Relative humidity 81 %
Wind speed 21 km/h
Cloud cover 71 %

Where Preston ranks in August

RankingPositionValue
The coolest places in Europe in August24thof 5018 °C

August compared with the months around it

Month Avg high Rainfall Cloud
June 16.9 °C 89 mm 70 %
July 18.5 °C 99 mm 70 %
August 18.3 °C 109 mm 71 %
September 16.3 °C 98 mm 72 %
October 13.0 °C 117 mm 74 %

See all twelve months for Preston

Nearby destinations in August

Destination Avg high Wet days Sea
Preston 18 °C 17
St Helens 19 °C 15 17
Liverpool 19 °C 16 17

QuestionsAugust in Preston, answered

How warm is Preston in August?

Daily highs average 18 °C and nights fall to about 13 °C, a spread of 5.8 °C between afternoon and dawn. That makes August the 2nd warmest month of the year here.

Does it rain much in Preston in August?

August averages 109 mm of rain, spread over about 17 of the 31 days — 54 % of the month. Cloud cover averages 71 % of the sky.

How long are the days in August?

Preston averages 15 hours between sunrise and sunset in August. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.