Climate

Climate in Gloucester, United Kingdom

Gloucester, United Kingdom has a oceanic climate. The annual average temperature is about 10°C, with around 739 hours of sunshine; the national rainfall baseline is roughly 1100 mm across 184 rainy days a year. The warmest month is Jul (highs near 19°C) and the coldest is Jan (lows near 1°C). These are deterministic planning estimates, not a forecast or measured station data. Temperature and sunshine follow the city's latitude; rainfall and the climate zone come from a country-level baseline that every city in the country shares (refined by region in the United States, Canada and Australia), so they do not show local differences. Check current conditions with an official meteorological service before travel.

Climate zone
Oceanic
Comfort score
64/100

Climate overview

Gloucester, United Kingdom has a oceanic climate. The annual average temperature is about 10°C, with around 739 hours of sunshine; the national rainfall baseline is roughly 1100 mm across 184 rainy days a year. The warmest month is Jul (highs near 19°C) and the coldest is Jan (lows near 1°C). These are deterministic planning estimates, not a forecast or measured station data. Temperature and sunshine follow the city's latitude; rainfall and the climate zone come from a country-level baseline that every city in the country shares (refined by region in the United States, Canada and Australia), so they do not show local differences. Check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

Climate zone

Köppen-style classification derived deterministically from latitude and a country-level precipitation baseline.

Climate zone

Gloucester is classified as Oceanic. The classification combines the city’s own temperature range, which follows its latitude, with a rainfall pattern taken at country level for United Kingdom — so cities in the same country usually share a zone.

Average temperatures

Annual averages and seasonal extremes.

Average temperatures

  • Annual average10°C
  • Warmest monthJul (19°C)
  • Coldest monthJan (1°C)
  • Comfort score64/100

Rainfall overview

A country-level precipitation baseline and how it is distributed across the year.

Rainfall overview

The rainfall baseline for United Kingdom is about 1100 mm a year over roughly 184 rainy days, with the wettest month Dec and the driest Jun. This figure is not specific to Gloucester: every city in United Kingdom carries the same baseline, so it will not show the difference between, say, a dry inland city and a wet coastal one. Use an official meteorological service for local rainfall.

Sunshine overview

Estimated annual sunshine and its seasonal pattern.

Sunshine overview

Gloucester sees an estimated 739 hours of sunshine a year, concentrated in the warmer months around Jul.

Monthly climate table

Month-by-month estimates. Temperature and sunshine follow the city’s latitude; the rainfall and rainy-day columns distribute the country-level baseline.

Monthly climate table

Gloucester monthly climate table
MonthHighLowRainRainy DaysSunshine
Jan8°C1°C109 mm1823 h
Feb8.7°C1.7°C90 mm1543 h
Mar10.7°C3.7°C85 mm1457 h
Apr13.5°C6.5°C76 mm1377 h
May16.2°C9.2°C76 mm1390 h
Jun18.3°C11.3°C71 mm12110 h
Jul19°C12°C76 mm13103 h
Aug18.3°C11.3°C85 mm1488 h
Sep16.2°C9.2°C90 mm1570 h
Oct13.5°C6.5°C109 mm1834 h
Nov10.7°C3.7°C114 mm1924 h
Dec8.7°C1.7°C119 mm2020 h

Best months to visit

Months with the mildest temperatures and lower rainfall, by the deterministic comfort heuristic. Not a tourism ranking.

Best months to visit

By temperature and rainfall, the most comfortable months in Gloucester are Jun, Jul, Aug. Conditions vary year to year — verify with a current forecast before booking.

Seasonal summary

Average conditions by season.

Seasonal summary

  • Winter

    8°C / 1°C

    318 mm rain

  • Spring

    13°C / 6°C

    237 mm rain

  • Summer

    19°C / 12°C

    232 mm rain

  • Autumn

    13°C / 6°C

    313 mm rain

Climate comfort score

A 0–100 composite of temperature balance, rainfall, sunshine, seasonality, and winter/summer extremes; higher means more comfortable. Used consistently across the platform.

Climate comfort score

Gloucester has a climate comfort score of 64/100, a comfortable year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.

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Gloucester city profileFull intelligence profile with quick answers, FAQs and every indexed dimension.Weekend trips from GloucesterCurated nearby getaways and day trips within easy reach.Nature near GloucesterVerified parks, lakes, coasts and uplands within ~170 km.Gloucester visual guideA visual orientation to the city and its surroundings.