February is one of the cooler months of the year in Grantham, with average highs near 7.2°C and lows around 1°C (mean 4.1°C). It is one of the drier months, averaging 45 mm of rainfall and 90% relative humidity across the period.
February is one of the cooler months of the year in Grantham. Across 45 years of records, the warmest February in Grantham was 2024 — when the month averaged 7.4°C — while the coldest was 1986 at -1°C. Typical February days reach 7.2°C with nights near 1°C. The long-term trend is warming, about 0.6°C per decade.
February is one of the drier months in Grantham, averaging 45 mm of rainfall. The wettest February on record was 2020 with 99 mm, while the driest was 1998 at 11 mm.
Relative humidity in Grantham during February averages 90%. The most humid February was 2010 at 93%, and the least humid was 2016 at 87%.
February receives about 1.5 kWh/m²/day of solar energy in Grantham. The sunniest February was 1986 at 2 kWh/m²/day, and the cloudiest were 1987, 2011 and 2017 at 1.2.
Average wind speed in Grantham during February is 4 m/s. The windiest February was 1990 at 6.5 m/s, while the calmest was 2010 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 2.5°C | 4.4°C | 4.4°C | 4.1°C | 5.8°C | +3.3°C |
| Avg High | 5.6°C | 7.5°C | 7.5°C | 7.2°C | 8.9°C | +3.3°C |
| Avg Low | -0.5°C | 1.2°C | 1.3°C | 0.9°C | 2.6°C | +3.1°C |
| Avg Rain | 35 mm | 40 mm | 48 mm | 43 mm | 62 mm | +27 mm |
February temperatures in Grantham have risen by about 3.4°C between 1981–1985 and 2021–2025.
February has ranged from a record low of -8.8°C (2012) to a record high of 16.5°C (2012).
Rainfall in February is one of the drier months, averaging 45 mm, with a wettest year of 99 mm.
A quieter season to visit Grantham
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Grantham. That said, February — with days averaging 7.2°C and nights around 1°C (mean 4.1°C) and moderate rainfall (45 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 7.6°C | 4.7°C | 1.7°C | 15.7°C | -2.8°C | 39 mm | 91% | 3.7 m/s | 1.4 |
| 2024 🔥 | 10.5°C | 7.4°C | 4.3°C | 14.8°C | 0.6°C | 94 mm | 92% | 3.9 m/s | 1.4 |
| 2023 | 10.0°C | 6.5°C | 3.1°C | 14.5°C | -2.7°C | 12 mm | 89% | 3.5 m/s | 1.6 |
| 2022 | 9.5°C | 6.1°C | 2.7°C | 14.6°C | -0.8°C | 73 mm | 88% | 5.5 m/s | 1.6 |
| 2021 | 7.2°C | 4.3°C | 1.4°C | 15.1°C | -4.0°C | 59 mm | 89% | 4 m/s | 1.6 |
| 2020 🌧️ | 8.8°C | 5.7°C | 2.6°C | 13.7°C | -0.8°C | 99 mm | 89% | 5.9 m/s | 1.5 |
| 2019 | 10.5°C | 6.5°C | 2.4°C | 16.5°C | -4.6°C | 33 mm | 90% | 3.6 m/s | 1.8 |
| 2018 | 5.4°C | 2.2°C | -1.0°C | 10.1°C | -5.1°C | 37 mm | 89% | 3.7 m/s | 1.6 |
| 2017 | 8.3°C | 5.6°C | 2.9°C | 15.5°C | -1.1°C | 55 mm | 91% | 4 m/s | 1.2 |
| 2016 | 7.6°C | 4.2°C | 0.7°C | 13.4°C | -3.8°C | 37 mm | 87% | 4.2 m/s | 1.7 |
| 2015 | 6.6°C | 3.4°C | 0.3°C | 10.6°C | -3.6°C | 38 mm | 91% | 3.6 m/s | 1.4 |
| 2014 | 8.6°C | 5.6°C | 2.6°C | 12.2°C | -0.4°C | 45 mm | 88% | 5.5 m/s | 1.6 |
| 2013 | 5.1°C | 2.2°C | -0.7°C | 8.8°C | -3.3°C | 36 mm | 89% | 3.5 m/s | 1.4 |
| 2012 | 6.8°C | 3.3°C | -0.1°C | 16.5°C | -8.8°C | 20 mm | 90% | 3.2 m/s | 1.5 |
| 2011 | 8.5°C | 5.7°C | 2.8°C | 13.5°C | -2.2°C | 62 mm | 92% | 4.1 m/s | 1.2 |
| 2010 | 4.5°C | 1.8°C | -0.9°C | 7.8°C | -3.9°C | 69 mm | 93% | 2.8 m/s | 1.4 |
| 2009 | 6.1°C | 3.3°C | 0.6°C | 12.2°C | -5.3°C | 50 mm | 93% | 2.9 m/s | 1.4 |
| 2008 | 8.7°C | 4.7°C | 0.7°C | 13.2°C | -4.4°C | 25 mm | 90% | 3.7 m/s | 1.7 |
| 2007 | 8.6°C | 5.5°C | 2.4°C | 13.1°C | -3.9°C | 68 mm | 92% | 3.3 m/s | 1.4 |
| 2006 | 6.2°C | 3.4°C | 0.7°C | 10.5°C | -2.6°C | 47 mm | 90% | 3.5 m/s | 1.4 |
| 2005 | 6.4°C | 3.6°C | 0.8°C | 10.9°C | -3.7°C | 39 mm | 90% | 3.8 m/s | 1.5 |
| 2004 | 7.7°C | 4.8°C | 1.9°C | 15.1°C | -3.4°C | 36 mm | 89% | 4 m/s | 1.5 |
| 2003 | 6.6°C | 3.4°C | 0.2°C | 12.2°C | -3.4°C | 27 mm | 93% | 3.2 m/s | 1.6 |
| 2002 | 9.1°C | 6.0°C | 3.0°C | 13.3°C | -2.3°C | 64 mm | 89% | 5.6 m/s | 1.5 |
| 2001 | 6.9°C | 3.7°C | 0.4°C | 12.8°C | -2.7°C | 66 mm | 93% | 3.3 m/s | 1.5 |
| 2000 | 8.6°C | 5.3°C | 2.0°C | 11.7°C | -2.4°C | 59 mm | 89% | 4.8 m/s | 1.6 |
| 1999 | 7.4°C | 4.4°C | 1.3°C | 12.1°C | -2.6°C | 27 mm | 89% | 4.5 m/s | 1.6 |
| 1998 | 10.3°C | 6.9°C | 3.4°C | 15.4°C | -3.6°C | 11 mm | 90% | 4.3 m/s | 1.6 |
| 1997 | 9.1°C | 5.8°C | 2.5°C | 13.0°C | -2.0°C | 53 mm | 88% | 5.7 m/s | 1.3 |
| 1996 | 5.0°C | 2.1°C | -0.9°C | 9.7°C | -4.8°C | 50 mm | 88% | 4 m/s | 1.3 |
| 1995 | 8.7°C | 5.4°C | 2.2°C | 14.1°C | -2.7°C | 57 mm | 90% | 4.8 m/s | 1.4 |
| 1994 | 5.3°C | 2.3°C | -0.8°C | 10.6°C | -4.7°C | 47 mm | 90% | 3.6 m/s | 1.3 |
| 1993 | 6.9°C | 4.0°C | 1.0°C | 11.9°C | -2.7°C | 13 mm | 90% | 3.3 m/s | 1.4 |
| 1992 | 8.1°C | 4.7°C | 1.4°C | 14.0°C | -2.1°C | 22 mm | 89% | 3.9 m/s | 1.5 |
| 1991 | 4.4°C | 1.4°C | -1.5°C | 13.6°C | -7.5°C | 47 mm | 91% | 3.2 m/s | 1.6 |
| 1990 | 9.7°C | 6.5°C | 3.3°C | 16.0°C | -2.5°C | 74 mm | 87% | 6.5 m/s | 1.5 |
| 1989 | 8.3°C | 5.0°C | 1.8°C | 13.2°C | -3.1°C | 37 mm | 88% | 4.9 m/s | 1.5 |
| 1988 | 7.2°C | 3.8°C | 0.4°C | 12.6°C | -2.9°C | 38 mm | 89% | 5 m/s | 1.5 |
| 1987 | 5.7°C | 2.6°C | -0.5°C | 12.7°C | -7.4°C | 48 mm | 92% | 3.1 m/s | 1.2 |
| 1986 ❄️ | 1.4°C | -1.0°C | -3.3°C | 3.3°C | -7.4°C | 28 mm | 88% | 3.7 m/s | 2 |
| 1985 | 4.9°C | 1.8°C | -1.3°C | 11.1°C | -7.9°C | 14 mm | 89% | 3.2 m/s | 1.9 |
| 1984 | 5.8°C | 2.6°C | -0.6°C | 10.4°C | -3.0°C | 43 mm | 91% | 3.7 m/s | 1.4 |
| 1983 | 4.2°C | 1.4°C | -1.3°C | 9.1°C | -4.6°C | 36 mm | 89% | 3.9 m/s | — |
| 1982 | 7.2°C | 4.0°C | 0.9°C | 11.9°C | -2.7°C | 27 mm | 93% | 3.6 m/s | — |
| 1981 | 5.3°C | 2.3°C | -0.6°C | 11.2°C | -4.0°C | 49 mm | 91% | 3.5 m/s | — |
Actual recorded February data for each year, 1981–2025 — sourced from NASA POWER.
The average high in February is around 7.2°C with lows near 1°C (mean 4.1°C), based on 45 years of NASA POWER data.
February averages 45 mm of rainfall in Grantham, one of the drier months. The wettest on record was 99 mm in 2020.
The hottest February reached 16.5°C in 2012. The coldest dipped to -8.8°C in 2012.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average February temperatures have risen by about 3.4°C. Daytime highs moved from 5.5°C to 9°C and overnight lows from -0.6°C to 2.6°C over the same span.
February is one of the cooler months of the year in Grantham and one of the drier months, so plan for around 7.2°C daytime highs and 1°C at night.
Not quite — February is the 2nd coolest month in Grantham, averaging 4.1°C.
For February in Grantham, pack warm layers and a jacket for chilly mornings, with typical highs of 7.2°C and lows of 1°C.
Relative humidity in February averages 90% — quite humid.
Average wind speed in February is 4 m/s. The windiest February on record averaged 6.5 m/s (1990).
The wettest February on record was 2020 with 99 mm. On average, February sees 45 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 Grantham behaves each February, 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 February specifically, along with year-by-year records and how the month has changed over the decades.
