October is one of the warmer months of the year in Grimsby, with average highs near 13.6°C and lows around 8.8°C (mean 11.2°C). It is a relatively wet time of year, averaging 72 mm of rainfall and 87% relative humidity across the period.
October is one of the warmer months of the year in Grimsby. Across 45 years of records, the warmest October in Grimsby was 2005 — when the month averaged 13.4°C — while the coldest was 1992 at 8.4°C. Typical October days reach 13.6°C with nights near 8.8°C. The long-term trend is warming, about 0.4°C per decade.
October is a relatively wet time of year in Grimsby, averaging 72 mm of rainfall. The wettest October on record was 2023 with 135 mm, while the driest was 1995 at 25 mm.
Relative humidity in Grimsby during October averages 87%. The most humid October was 2001 at 90%, and the least humid was 2003 at 83%.
October receives about 1.7 kWh/m²/day of solar energy in Grimsby. The sunniest Octobers were 2008, 2018 and 2022, among others at 1.9 kWh/m²/day, and the cloudiest was 2020 at 1.4.
Average wind speed in Grimsby during October is 4.9 m/s. The windiest October was 1998 at 6.5 m/s, while the calmest was 2007 at 3.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.7°C | 10.7°C | 11.5°C | 11.5°C | 11.9°C | +1.2°C |
| Avg High | 13.1°C | 13.2°C | 13.9°C | 13.9°C | 14.4°C | +1.3°C |
| Avg Low | 8.2°C | 8.3°C | 9.2°C | 9.1°C | 9.4°C | +1.2°C |
| Avg Rain | — | 62 mm | 74 mm | 72 mm | 82 mm | — |
October temperatures in Grimsby have risen by about 1.6°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 0°C (1997) to a record high of 23.3°C (2011).
Rainfall in October is a relatively wet time of year, averaging 72 mm, with a wettest year of 135 mm.
A good time to visit Grimsby
October is a good time to visit Grimsby, with days averaging 13.6°C and nights around 8.8°C (mean 11.2°C, warmer than Grimsby's yearly average) and moderate rainfall. August and July are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 13.9°C | 11.6°C | 9.3°C | 18.5°C | 4.6°C | 55 mm | 87% | 4.8 m/s | 1.5 |
| 2024 | 14.2°C | 11.8°C | 9.3°C | 17.3°C | 4.9°C | 62 mm | 88% | 4.4 m/s | 1.7 |
| 2023 🌧️ | 14.9°C | 12.4°C | 10.0°C | 20.2°C | 5.4°C | 135 mm | 89% | 4.2 m/s | 1.6 |
| 2022 | 15.6°C | 12.7°C | 9.9°C | 17.8°C | 7.4°C | 74 mm | 88% | 4.8 m/s | 1.9 |
| 2021 | 14.8°C | 12.1°C | 9.3°C | 18.6°C | 5.9°C | 82 mm | 88% | 5.2 m/s | 1.7 |
| 2020 | 13.1°C | 10.8°C | 8.5°C | 16.4°C | 5.1°C | 85 mm | 89% | 5 m/s | 1.4 |
| 2019 | 13.0°C | 10.6°C | 8.2°C | 15.8°C | 5.1°C | 125 mm | 88% | 4.8 m/s | 1.6 |
| 2018 | 14.1°C | 11.4°C | 8.7°C | 21.0°C | 2.9°C | 68 mm | 86% | 4.9 m/s | 1.9 |
| 2017 | 14.9°C | 12.4°C | 9.8°C | 19.4°C | 6.3°C | 39 mm | 88% | 5.6 m/s | 1.6 |
| 2016 | 13.5°C | 11.6°C | 9.6°C | 16.1°C | 8.1°C | 47 mm | 86% | 4.2 m/s | 1.6 |
| 2015 | 13.6°C | 11.4°C | 9.1°C | 17.5°C | 5.3°C | 70 mm | 87% | 3.8 m/s | 1.7 |
| 2014 | 14.9°C | 12.4°C | 9.9°C | 18.2°C | 6.8°C | 88 mm | 89% | 5.2 m/s | 1.6 |
| 2013 | 14.5°C | 12.4°C | 10.3°C | 19.0°C | 6.1°C | 106 mm | 89% | 5.8 m/s | 1.5 |
| 2012 | 12.2°C | 9.9°C | 7.5°C | 14.8°C | 4.1°C | 71 mm | 87% | 4.5 m/s | 1.7 |
| 2011 | 15.1°C | 12.4°C | 9.6°C | 23.3°C | 4.2°C | 50 mm | 86% | 5.1 m/s | 1.8 |
| 2010 | 12.8°C | 10.7°C | 8.5°C | 16.6°C | 4.6°C | 55 mm | 88% | 4.9 m/s | 1.8 |
| 2009 | 14.0°C | 11.8°C | 9.5°C | 18.4°C | 6.8°C | 61 mm | 85% | 4.2 m/s | 1.7 |
| 2008 | 12.7°C | 10.2°C | 7.6°C | 17.0°C | 1.3°C | 65 mm | 87% | 5.3 m/s | 1.9 |
| 2007 | 14.0°C | 11.6°C | 9.3°C | 17.7°C | 6.2°C | 38 mm | 88% | 3.4 m/s | 1.7 |
| 2006 | 15.8°C | 13.3°C | 10.7°C | 18.7°C | 6.9°C | 70 mm | 89% | 5 m/s | 1.6 |
| 2005 🔥 | 15.6°C | 13.4°C | 11.1°C | 19.2°C | 7.2°C | 64 mm | 89% | 4.6 m/s | 1.5 |
| 2004 | 13.3°C | 11.0°C | 8.8°C | 15.5°C | 5.9°C | 92 mm | 88% | 5.2 m/s | 1.6 |
| 2003 | 12.0°C | 9.9°C | 7.7°C | 16.7°C | 4.4°C | 51 mm | 83% | 5.1 m/s | 1.9 |
| 2002 | 12.6°C | 10.5°C | 8.4°C | 18.9°C | 3.5°C | 114 mm | 85% | 5.1 m/s | 1.5 |
| 2001 | 15.7°C | 13.3°C | 10.9°C | 18.3°C | 6.9°C | 87 mm | 90% | 5.4 m/s | 1.7 |
| 2000 | 12.8°C | 10.5°C | 8.1°C | 17.8°C | 6.4°C | 98 mm | 90% | 5.4 m/s | 1.5 |
| 1999 | 13.5°C | 11.1°C | 8.7°C | 18.2°C | 5.6°C | 67 mm | 86% | 5.1 m/s | 1.7 |
| 1998 | 13.0°C | 10.5°C | 8.0°C | 16.8°C | 2.8°C | 104 mm | 85% | 6.5 m/s | 1.5 |
| 1997 | 12.9°C | 10.5°C | 8.1°C | 19.0°C | 0.0°C | 49 mm | 85% | 4.4 m/s | 1.6 |
| 1996 | 14.3°C | 11.6°C | 8.9°C | 17.4°C | 5.3°C | 60 mm | 87% | 5.2 m/s | 1.8 |
| 1995 | 15.8°C | 12.9°C | 10.0°C | 20.5°C | 5.9°C | 25 mm | 87% | 4.9 m/s | 1.9 |
| 1994 | 12.5°C | 10.1°C | 7.7°C | 15.0°C | 3.7°C | 55 mm | 89% | 4.4 m/s | 1.7 |
| 1993 | 11.6°C | 9.5°C | 7.5°C | 15.3°C | 2.7°C | 78 mm | 84% | 4.3 m/s | 1.7 |
| 1992 ❄️ | 10.4°C | 8.4°C | 6.4°C | 15.1°C | 2.5°C | 77 mm | 85% | 4.9 m/s | 1.7 |
| 1991 | 13.0°C | 10.8°C | 8.7°C | 16.1°C | 5.1°C | 44 mm | 86% | 5 m/s | 1.6 |
| 1990 | 14.5°C | 12.0°C | 9.4°C | — | — | — | — | — | — |
| 1989 | 14.4°C | 11.9°C | 9.3°C | — | — | — | — | — | — |
| 1988 | 12.9°C | 10.7°C | 8.6°C | — | — | — | — | — | — |
| 1987 | 12.8°C | 10.2°C | 7.7°C | — | — | — | — | — | — |
| 1986 | 13.4°C | 10.8°C | 8.1°C | — | — | — | — | — | — |
| 1985 | 13.9°C | 11.6°C | 9.3°C | — | — | — | — | — | — |
| 1984 | 14.2°C | 11.5°C | 8.7°C | — | — | — | — | — | — |
| 1983 | 12.8°C | 10.3°C | 7.8°C | — | — | — | — | — | — |
| 1982 | 12.8°C | 10.5°C | 8.1°C | — | — | — | — | — | — |
| 1981 | 11.1°C | 8.7°C | 6.2°C | — | — | — | — | — | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 13.6°C with lows near 8.8°C (mean 11.2°C), based on 45 years of NASA POWER data.
October averages 72 mm of rainfall in Grimsby, a relatively wet time of year. The wettest on record was 135 mm in 2023.
The hottest October reached 23.3°C in 2011. The coldest dipped to 0°C in 1997.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.6°C. Daytime highs moved from 13°C to 14.7°C and overnight lows from 8°C to 9.6°C over the same span.
October is one of the warmer months of the year in Grimsby and a relatively wet time of year, so plan for around 13.6°C daytime highs and 8.8°C at night.
Not quite — October is the 8th coolest month in Grimsby, averaging 11.2°C.
For October in Grimsby, pack light layers you can adjust through the day, with typical highs of 13.6°C and lows of 8.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 87% — quite humid.
Average wind speed in October is 4.9 m/s. The windiest October on record averaged 6.5 m/s (1998).
The wettest October on record was 2023 with 135 mm. On average, October sees 72 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Grimsby behaves each October, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for October specifically, along with year-by-year records and how the month has changed over the decades.
